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Consult the Government of Canada’s terminology data bank.

CENTER POINT [100 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2025-01-20

English

Subject field(s)
  • Ballistics
  • Missiles and Rockets
CONT

In ballistics, the center of pressure is the point where all of the aerodynamic forces, particularly lift and drag, are equalized. If this point is behind or below the center of gravity, then the object is self-stabilizing. This is why fin stabilization works with missiles and similar military ordnance. The fins pull the center of pressure much further rearward.

Key term(s)
  • fin stabilisation

French

Domaine(s)
  • Balistique
  • Missiles et roquettes
CONT

[Le principal inconvénient] de la stabilisation par empennage [est] qu'il faut trouver de la place pour les ailettes à l'intérieur du tube, c'est-à-dire que le corps du projectile doit être sous-calibré et tiré avec un sabot ou que les ailettes se déploient après le tir.

Spanish

Save record 1

Record 2 2024-11-29

English

Subject field(s)
  • Rugby
  • North American Football
CONT

USA [United States of America] overpowered by England. The USA closed out their World Cup warm-up tour with a 52-14 defeat to England at Sandy Park on Saturday. A superior kicking game and the strength of the Red Roses forwards proved too much in a one-sided first half, but the Eagles restored some confidence with a committed second half showing.

CONT

Placekicking is the phase of the kicking game that you’ll use when your team attempts to score a point after touchdown(PAT) or kicking a field goal; your team will attempt a field goal if the drive has been stopped and the team is close enough to the opponent's goal line.... During this phase of the kicking game, three players use special techniques : the kicker(who makes the kick), the holder(who catches the ball from the center and places it on the tee), and the center,(also known as the short snapper(who centers the ball back to the holder).

French

Domaine(s)
  • Rugby
  • Football nord-américain
DEF

Ensemble des stratégies et des techniques recourant à la frappe au pied, qui sont mises en place par une équipe lors d'un match.

OBS

jeu au pied : désignation et définition publiées au Journal officiel de la République française le 5 septembre 2023.

Spanish

Save record 2

Record 3 2024-09-30

English

Subject field(s)
  • Artificial Intelligence
CONT

In the affinity propagation method, all points are considered as potential centers of the cluster and the negative value of the Euclidean distance between two points determines their affinity. Thus, the greater the sum of the affinity, the greater the probability that the point is the center of the cluster.

French

Domaine(s)
  • Intelligence artificielle

Spanish

Save record 3

Record 4 2024-09-18

English

Subject field(s)
  • Types of Ships and Boats
  • Special Water Transport
  • Maneuvering of Ships
  • River and Sea Navigation
DEF

A comparatively small vessel with powerful engines and constructed in such a way as to be able to manoeuvre easily for towage and/or to assist in salvage operations at sea.

CONT

Tugboats are needed to pull or push large ships in confined waters such as in a harbor area and docks, and they are also needed to tow large ships on long ocean voyages.... They are capable of firefighting and salvage duties and may carry large capacity pumps for these purposes. One important design characteristic of a tugboat is its hull form and propulsion system are designed both for a given free running speed and a high thrust at zero speed. Furthermore, its upper deck layout is dictated by the need to get close into a variety of vessels and by the need to keep the towing point above the longitudinal center of lateral pressure so that a lateral pull has a minimum effect on maneuverability.

OBS

towboat; tow boat: Not to be confused with "pusher tug," which can also be referred to as a "towboat."

Key term(s)
  • tug boat
  • tug-boat
  • tow-boat

French

Domaine(s)
  • Types de bateaux
  • Transports par bateaux spéciaux
  • Manœuvre des navires
  • Navigation fluviale et maritime
DEF

Bâtiment conçu pour déplacer d'un point à un autre des bâtiments de navigation dans un port, sur un fleuve, une rivière ou en mer.

Spanish

Campo(s) temático(s)
  • Tipos de barcos
  • Transporte por barcos especiales
  • Maniobras de los buques
  • Navegación fluvial y marítima
Save record 4

Record 5 2023-12-15

English

Subject field(s)
  • Road Transport
  • Rail Transport
  • Urban Planning
CONT

By World War I, the electric trolleys had transformed the tracked city into a full-fledged metropolis whose streetcar suburbs, in the larger cases, spread out more than 20 miles from the metropolitan center. It was at this point in time that intrametropolitan transportation achieved its greatest level of efficiency—that the bustling industrial city really "worked. "

OBS

intrametropolitan: Situated within the metropolitan boundary.

Key term(s)
  • intra-metropolitan transportation
  • intra-metropolitan transport

French

Domaine(s)
  • Transport routier
  • Transport par rail
  • Aménagement urbain
OBS

intra-muros : À l'intérieur des murs, de l'enceinte d'une ville.

Key term(s)
  • transport intra muros

Spanish

Save record 5

Record 6 2023-11-22

English

Subject field(s)
  • Medical and Dental Services (Military)
  • Health Institutions
OBS

Clinical rotation conducted in a civilian health care center that is... a component of the Nursing Occupational Functional Point.

French

Domaine(s)
  • Service de santé et service dentaire (Militaire)
  • Établissements de santé

Spanish

Save record 6

Record 7 2023-02-13

English

Subject field(s)
  • Atmospheric Physics
CONT

Double-barrelled low pressure system. Ideally a low pressure system will have one distinct center where the surface pressure and height aloft are lowest at one point. Often though[, ] the low pressure system will be a broad area of lower pressure or it will have two distinct areas where the surface pressure is lowest. The term double-barrelled low pressure system means two side by side low pressure systems.

Key term(s)
  • double barrelled low pressure system
  • double barrelled low
  • double centred low
  • double-centered low
  • double centered low
  • double-barrelled low-pressure system

French

Domaine(s)
  • Physique de l'atmosphère

Spanish

Save record 7

Record 8 2020-11-18

English

Subject field(s)
  • Curling
DEF

A game developed in Scotland in which two teams of four players each throw granite rocks spinning over a stretch of ice 138 feet long and 14 feet 2 inches wide (Can.) to 15 feet 6 inches wide towards a three-ringed target in an attempt to place a rock as close as possible to the center of the rings marked by a spot called the button.

OBS

A team scores one point for each stone it places nearer the center of the rings than its opponent. After all players on both teams have delivered their stones to one end of the rink(an "end"), the stones are scored and then delivered to the opposite end.... Though a match may be played to a stipulated number of points, most are played for a designated number of ends(as 14, 17, or 21).

OBS

Curling was a demonstration sport at the 1988 Olympic Winter Games in Calgary, Canada; it became an official Olympic sport at the 1998 Olympic Winter Games in Nagano, Japan.

French

Domaine(s)
  • Curling
DEF

Sport qui consiste pour deux équipes de quatre joueurs à lancer à tour de rôle deux pierres sur une surface de glace vers une cible formée de cercles concentriques au centre desquels se trouve un point aussi appelé bouton, de façon à placer une ou plusieurs pierres le plus près possible du centre.

CONT

Le curling oppose deux équipes de quatre joueurs chacune. Une partie est en général de dix «bouts» ou manches. Une manche est complète quand toutes les pierres ont été lancées d'un côté de la piste à l'autre. Durant la manche suivante, les pierres seront lancées dans la direction opposée. Chaque équipe a huit coups par manche. C'est l'équipe dont le pointage accumulé est le plus élevé qui remporte la partie.

OBS

Assez curieusement, les dictionnaires définissent le curling comme un sport où l'on joue avec un «palet» tandis que les ouvrages sur la discipline utilisent le terme «pierre», comme il se doit.

OBS

Le curling a été un sport de démonstration aux Jeux Olympiques d'hiver de 1988 à Calgary (Canada); il est devenu discipline olympique officielle aux Jeux Olympiques d'hiver de 1998 à Nagano (Japon).

OBS

Le Comité International Olympique (CIO) demande de respecter le nom des Jeux Olympiques tel qu'établi dans la Charte olympique, soit d'utiliser la majuscule «O». Par contre, les règles d'écriture de la langue française recommandent d'utiliser «Jeux olympiques», graphie préconisée par Sport Canada.

Spanish

Campo(s) temático(s)
  • Curling
Save record 8

Record 9 2020-09-14

English

Subject field(s)
  • Morphology and General Physiology
  • Bones and Joints
Universal entry(ies)
tuber parietale
Latin
eminentia parietalis
Latin
A02.1.02.010
classification system code, see observation
DEF

A prominent portion of the parietal bone, a little above the center of its external surface, usually corresponding to the point of maximum width of the head.

OBS

parietal tuber; parietal eminence: designations derived from the Terminologia Anatomica.

OBS

A02.1.02.010: Terminologia Anatomica identifying number.

French

Domaine(s)
  • Morphologie et physiologie générale
  • Os et articulations
Entrée(s) universelle(s)
tuber parietale
Latin
eminentia parietalis
Latin
A02.1.02.010
classification system code, see observation
OBS

éminence pariétale; tubérosité pariétale; bosse pariétale : désignations dérivées de la Terminologia Anatomica.

OBS

A02.1.02.010 : numéro d'identification de la Terminologia Anatomica.

Spanish

Campo(s) temático(s)
  • Morfología y fisiología general
  • Huesos y articulaciones
Entrada(s) universal(es)
tuber parietale
Latin
eminentia parietalis
Latin
A02.1.02.010
classification system code, see observation
DEF

Abultamiento curvado del hueso parietal (cara exocraneal).

OBS

A02.1.02.010: cifra identificadora única de la Terminología Anatómica Internacional.

Save record 9

Record 10 2018-12-13

English

Subject field(s)
  • Weapon Systems
CONT

Loosen the traversing slide lock lever and move the slide along the traversing bar until the MK 19 is laid on the center of a point target or on either flank of a linear target.

French

Domaine(s)
  • Systèmes d'armes
CONT

Pour pointer en direction, desserrer le levier de blocage de l'étrier sur la barre transversale de l'affût, orienter la ligne de mire en direction de l'objectif; resserrer le levier de blocage.

Spanish

Save record 10

Record 11 2017-09-29

English

Subject field(s)
  • Joining Elements (Mechanical Components)
  • Metal Fasteners
CONT

Please give dimensions measuring [from] "point to flat" for pentagon nuts or across center from "flat to flat" for square and hexagon nuts.

French

Domaine(s)
  • Éléments d'assemblage (Composants mécaniques)
  • Clouterie et visserie

Spanish

Save record 11

Record 12 2017-05-10

English

Subject field(s)
  • Photography
DEF

A composition rule that divides the scene into three rows and three columns.

OBS

The rule states that the picture is much more interesting if the focal point is not in center of the photo but rather in one of the outlying regions, preferably at one of the intersection points.

OBS

For example, according to the rule, the best placement of a horizon line in a photograph is one-third of the distance from the bottom or top.

French

Domaine(s)
  • Photographie
CONT

La composition est faite selon «la règle des tiers». On obtient une image équilibrée, mais asymétrique, en plaçant le sujet principal sur l'un des quatre croisements des lignes imaginaires partageant l'image par tiers.

Spanish

Save record 12

Record 13 2017-03-24

English

Subject field(s)
  • Target Acquisition
  • Land Forces
DEF

In targeting, a point associated with a target and assigned for a specific weapon.

OBS

An aim point may be defined descriptively(e. g. vent in center of roof), by grid reference or geolocation. It can also be a prominent radar-significant feature.

OBS

An aim point is based on a desired point of impact.

OBS

aim point: designation and definition officially approved by the Defence Terminology Standardization Board and the Joint Terminology Panel.

French

Domaine(s)
  • Acquisition d'objectif
  • Forces terrestres
DEF

En ciblage, point associé à une cible et choisi pour une arme particulière.

OBS

Le point de visée peut être établi au moyen d’une description (p. ex. un évent au centre du toit), des coordonnées de quadrillage ou de la géolocalisation. Il peut également s’agir d’une caractéristique proéminente ayant une grande signature radar.

OBS

Le point de visée est fonction du point d’impact souhaité.

OBS

point de visée : désignation et définition uniformisées par le Conseil de normalisation de terminologie de la défense et le Groupe d'experts en terminologie interarmées.

Spanish

Save record 13

Record 14 2016-11-25

English

Subject field(s)
  • Surveying
DEF

Bringing the center of an instrument vertically above a specified point.

French

Domaine(s)
  • Arpentage
CONT

[...] on cale la bulle de la nivelle sphérique en faisant varier la longueur des jambes du trépied et on complète le centrage par une translation de l'instrument sur le plateau du trépied.

Spanish

Save record 14

Record 15 2016-11-23

English

Subject field(s)
  • Security
  • Nuclear Power Stations
CONT

Mothballing is the process of stabilizing a facility so that no damage occurs to the facility should it make sense at a later time to incur the capital expenditures associated with continuing to operate, extending the life, or repowering the facility. Typically, a decision to mothball a facility might be made as a hedge against, or in anticipation of, changes in market conditions; i. e., increases in relative fuel prices, or an increase in the value of installed capacity.... Typical activities involved in mothballing a facility might include the following types of activities intended to preserve existing equipment :-’Racking Out’ or removal and storage of motor control center circuit breakers or 'switchgear’(this would also be done for a facility that has been retired and is scheduled for dismantling)-Placing a heat source or desiccants in the furnace to maintain a temperature above the dew point(at which condensation collects and corrodes the boiler structures.)-The application of grease or other coatings to reduce corrosion of components such as pumps and motors.-The installation of an air desiccant system to blow dry air through the steam turbine, condenser, boiler tubes and pipes.

CONT

decommissioning: Shutting down and placing a plant permanently out of service ... The three stages of decommissioning are mothballing, encasement and dismantling.

French

Domaine(s)
  • Sécurité
  • Centrales nucléaires
OBS

D'après un spécialiste en gestion des déchets nucléaires qui travaille chez Whiteshell Laboratories au Manitoba, «mise sous surveillance» est préférable.

OBS

Lorsqu'on veut signifier qu'un lieu, après avoir perdu sa destination première, ne comporte plus les équipements correspondants à sa fonction première, on utilise le terme «désaffectation».

OBS

«Mise sous cocon» nous apparaît un peu trop spécifique, la «coconisation» signifiant l'enrobage de matériel sous pellicule plastique pulvérisée. On pourrait peut-être songer à des expressions plus neutres, du type «mise sous protection», «entreposage de sécurité».

OBS

mise sous cocon : terme extrait du «Glossaire de l’énergie nucléaire» et reproduit avec l’autorisation de l’Organisation de coopération et de développement économiques.

Spanish

Save record 15

Record 16 2016-10-11

English

Subject field(s)
  • Mathematical Geography
  • Cartography
OBS

All azimuthal projections preserve the azimuth from a reference point(the conceptual center of the map), thus presenting true direction(but not necessarily distance) to any other points.

French

Domaine(s)
  • Géographie mathématique
  • Cartographie
CONT

Projection azimutale : dite aussi projection zénithale. La surface de projection est un plan rectangle tangent à la sphère sur lequel on projette une partie du globe. Ce point tangent (contact entre l’ellipsoïde et la surface de projection) est appelé centre de projection.

Spanish

Save record 16

Record 17 2016-08-19

English

Subject field(s)
  • Optics
  • Cartography
CONT

Since the optical centers of the cameras lenses are distinct, each center projects onto a distinct point into the other camera's image plane. These two image points are denoted by eL and eR and are called epipoles or epipolar points.

French

Domaine(s)
  • Optique
  • Cartographie
OBS

épipôle, épipole : Bien qu'on trouve dans plusieurs sources la seconde graphie, il vaut mieux choisir la première; le terme pôle pouvant désigner «deux points principaux et opposés» tandis que le suffixe -pole signifie en grec «ville» et sert plutôt à construire des termes tels que acropole, métropole, etc.

Spanish

Save record 17

Record 18 2016-07-25

English

Subject field(s)
  • Mathematical Geography
  • Cartography
DEF

A perspective azimuthal map projection(of a part of a hemisphere) on a plane tangent to the surface of the sphere, having the point of projection at the center of the sphere.

OBS

Gnomonic projections are used in seismic work because seismic waves tend to travel along great circles. They are also used by navies in plotting direction finding bearings, since radio signals travel along great circles.

French

Domaine(s)
  • Géographie mathématique
  • Cartographie
DEF

[...] projection perspective d'une sphère dans laquelle le point de vue est situé au centre de la sphère.

OBS

La projection [gnomonique] est azimutale et perspective, ni conforme, ni équivalente. Elle altère fortement les angles et les longueurs.

OBS

Elle est la seule projection où les grands cercles de la sphère sont représentés par des droites.

Spanish

Campo(s) temático(s)
  • Geografía matemática
  • Cartografía
Save record 18

Record 19 2016-04-28

English

Subject field(s)
  • General Conduct of Military Operations
  • Combined Forces (Military)
OBS

The functions of the center are... to coordinate the various activities between the multinational headquarters, to communicate and disseminate the various orders and transmissions(including translation from one language to another), act as the focal point for force sustainment, host nation support and movement control, and integrate the coalition forces in terms of doctrine, training and strategies.

French

Domaine(s)
  • Conduite générale des opérations militaires
  • Interarmées

Spanish

Save record 19

Record 20 2016-02-25

English

Subject field(s)
  • Pest Control Equipment
  • Tillage Operations (Agriculture)
  • Mechanical Construction
CONT

When this [frame] adjustment is made, it is usually necessary to readjust the [discer's] hitch linkages to align the hitch pivot point with the center of pull and the center of resistance(...)

French

Domaine(s)
  • Matériel de protection des végétaux
  • Travaux du sol (Agriculture)
  • Construction mécanique
CONT

Quand on fait [le réglage du châssis de la charrue à disques], il faut le plus souvent modifier les attaches de traction pour aligner le pivot d'attache avec le centre de traction et avec le centre de résistance (...)

Spanish

Save record 20

Record 21 2016-02-25

English

Subject field(s)
  • Mathematics
OBS

(...) of planes. All the planes that pass through a given point. The point is the center of the sheaf.

French

Domaine(s)
  • Mathématiques

Spanish

Save record 21

Record 22 2016-02-25

English

Subject field(s)
  • Mathematics
DEF

A point of intersection of the sphere and the line through the center of the circle and perpendicular to the plane of the circle.

OBS

Of a circle on a sphere.

French

Domaine(s)
  • Mathématiques

Spanish

Campo(s) temático(s)
  • Matemáticas
DEF

Los dos extremos del diámetro perpendicular al plano del [círculo o la esfera].

Save record 22

Record 23 2016-02-16

English

Subject field(s)
  • Botany
Universal entry(ies)
Freycinetia arborea
Latin
OBS

Pandanaceae family.

OBS

Woody climber with brittle, rooting stems twining into treetops; every meter new branches will form, ending in tufts of narrow, spiny leaves tapering to a point, their center produces a curious, ornamental inflorescence of fleshy rosy-red bracts surrounding the purplish-red spadix.(Hawaii).

OBS

(Source) Committee on status of endangered wildlife in Canada - "Canadian Species at Risk" - April 1994)

French

Domaine(s)
  • Botanique
Entrée(s) universelle(s)
Freycinetia arborea
Latin

Spanish

Save record 23

Record 24 2015-09-09

English

Subject field(s)
  • Optics
  • Biophysics
  • Scientific Measurements and Analyses
CONT

STED [stimulated emission depletion] microscopy was the first high-resolution microscopy concept applied more widely for the study of biological questions. As performed in classical confocal laser scanning microscopy, a conventional laser beam is used to stimulate the fluorescent molecules in what is a normal excited spot(of several hundred nanometers in diameter). A second toroidal(doughnut shaped) beam is used to quench the fluorophores by stimulated emission. By overlapping the two beams, fluorescence is allowed only from the center of the spot, which thus generates a much smaller exciting focal spot... Thus, in practical terms, a smaller effective PSF [point spread function] is generated that causes less blurring and, therefore, results in higher resolution. Theoretically, the gain in resolution is not physically limited : it only depends on the power of the quenching laser beam(the higher the power, the smaller the imaging spot becomes).

French

Domaine(s)
  • Optique
  • Biophysique
  • Mesures et analyse (Sciences)
CONT

Microscopie de fluorescence à déplétion par émission stimulée (STED) - [On utilise] un microscope de fluorescence à balayage où on superpose au faisceau d’excitation classiquement présent, un faisceau de déplétion mis en forme de doughnut afin de dépasser la limite de résolution imposée par la diffraction. Cette limite est dépassée en utilisant l'émission stimulée pour empêcher l’émission de fluorescence dans la zone associée au doughnut. Ainsi seule la zone intérieure au doughnut peut encore émettre de la fluorescence, et la largeur de cette zone centrale est ajustée grâce à la saturation des effets de déplétion de la fluorescence.

OBS

Le «quenching» correspond à une relaxation non-radiative des électrons excités vers l’état fondamental. Le RET (transfert d’énergie par résonance) est une forme de «quenching».

Spanish

Save record 24

Record 25 2015-06-03

English

Subject field(s)
  • North American Football
DEF

The point in a game at which the center passes or throws the ball to the quarterback.

PHR

Scrimmage line.

French

Domaine(s)
  • Football nord-américain
PHR

Ligne de mêlée.

Spanish

Campo(s) temático(s)
  • Fútbol norteamericano
CONT

Una jugada comienza con el centro, o saque. En la línea de golpeo (la posición en el terreno donde comienza cada jugada y frente a la cual se alinean los cuadros oponentes), el mariscal llama en voz alta con un código la jugada que ejecutarán. El jugador frente a él, conocido como el centro, le pasa el balón entre sus piernas al mariscal.

CONT

Un scrimmage tiene lugar cuando el poseedor del balón, estando dentro del terreno de juego, lo pone en el piso enfrente de sí mismo y lo pone en juego [...] pateando el balón, [...] pasándolo (lo que hoy llamamos "centrar") hacia atrás con el pie [...]

Save record 25

Record 26 2014-10-31

English

Subject field(s)
  • Synthetic Fabrics
  • Wheels and Tires (Motor Vehicles and Bicycles)
CONT

One cannot enter into a discussion of nylon fibers for tire reinforcement without comparing nylon-6 to nylon-66. For the 30 plus years that these two materials have competed for the world's bias-ply truck tire market, the pros and cons have been the object of heated debate. At the center of controversy are the distinctions between the two in regards to thermal mechanical properties. Many people feel even today nylon-6 is just a nylon-66 with a lower melting point.

French

Domaine(s)
  • Textiles artificiels et synthétiques
  • Roues et pneus (Véhicules automobiles et bicyclettes)
OBS

Comparaison entre les fibres nylon pour renfort pneumatique.

Spanish

Save record 26

Record 27 2014-06-09

English

Subject field(s)
  • Mathematics
DEF

A straight line extending from edge to edge through center point of sphere or circle.

French

Domaine(s)
  • Mathématiques
DEF

Ligne droite qui passe par le centre d'un cercle, d'une sphère.

Spanish

Campo(s) temático(s)
  • Matemáticas
DEF

Línea recta que une dos puntos de una circunferencia, curva cerrada o esfera, pasando por su centro.

Save record 27

Record 28 2013-12-02

English

Subject field(s)
  • Electronics and Informatics
  • Mathematics, Physics and Natural Sciences
  • Medicine and Health
  • Industries
DEF

An electrically conducting or semi-conducting nanofibre.

CONT

Two processes in nanotechnology by which nanowires can be manufactured are suspension and deposition. A suspended nanowire is held up by the ends in an evacuated chamber, and then is chemically etched or bombarded with high-speed atoms or molecules to reduce its diameter. Another method involves indenting the surface of a wire in the center of a suspended span, raising the temperature, and then stretching the wire while it is near its melting point. A deposited nanowire is fabricated on a surface consisting of some non-conducting substance such as plastic or glass. The process is similar to that by which semiconductor chips are grown, except that the result is a linear(one-dimensional) structure rather than a flat(two-dimensional) or solid(three-dimensional) structure.

CONT

A nanometer-scale wire [is] made of metal atoms, silicon, or other materials that conduct electricity. Nanowires are built atom by atom on a solid surface, often as part of a microfluidic device. They can be coated with molecules such as antibodies that will bind to proteins and other substances of interest to researchers and clinicians. By the very nature of their nanoscale size, nanowires are incredibly sensitive to such binding events and respond by altering the electrical current flowing through them, and thus can form the basis of ultra sensitive molecular detectors.

OBS

[It is an] extremely thin wire with a diameter on the order of a few nanometers (nm) or less, where 1 nm = 10-9 meter.

OBS

nanowire: term and definition standardized by the International Organization for Standardization (ISO).

PHR

Nanowire transistor.

Key term(s)
  • nano-wire
  • nanometre-scale wire
  • nano-meter scale wire
  • nano-metre scale wire
  • nano-scale wire
  • nano-sized wire

French

Domaine(s)
  • Électronique et informatique
  • Mathématiques, physique et sciences naturelles
  • Médecine et santé
  • Industries
DEF

Nanofibre électriquement conductrice ou semi-conductrice.

CONT

[...] les nanofils constituent aussi le système artificiel le plus abouti pour étudier les phénomènes quantiques (transport balistique, cohérence, excitations élémentaires) dans des systèmes unidimensionnels. La fabrication des nanofils permet d'obtenir des objets aux propriétés électroniques très intéressantes en raison de leur excellente cristallinité, mais aussi du contrôle de leurs dimensions et de leur composition chimique. Ce contrôle a rendu possible ces dernières années l'intégration de ces nanofils dans des composants tels que des transistors à effet de champ, des composants logiques, des diodes électroluminescentes, des lasers dont l'émission est commandée électroniquement et des capteurs.

OBS

[C'est un] fil extrêmement fin dont le diamètre mesure quelques nanomètres (nm) ou moins. (1 nm = 10-9 mètre).

OBS

nanofil : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

PHR

Nanofil de Si biotinylé.

PHR

Accrochage sur nanofil, biofonctionnalisation des nanofils.

PHR

Nanofil auto-assemblé, isolant, modifié par des anticorps récepteurs, moléculaire, semi-conducteur.

PHR

Caractéristique chimique, caractéristique physique, fonctionnalisation, manipulation, position de virus vis-à-vis des nanofils.

PHR

Position initiale, surface d'un nanofil.

Key term(s)
  • nano-fil

Spanish

Campo(s) temático(s)
  • Electrónica e informática
  • Matemáticas, física y ciencias naturales
  • Medicina y Salud
  • Industrias
CONT

Los nanocables son fibras cristalinas de aproximadamente una milésima del grosor de un cabello humano, y de sus propiedades inherentes se espera que permitan nuevas arquitecturas de fotodetección para dispositivos de imagen, memorias de almacenamiento, comunicaciones ópticas dentro de los chips y otras aplicaciones de escala nanométrica [...]

CONT

El objetivo de la electrónica molecular es construir circuitos electrónicos basados en el uso de moléculas. Para ello se requiere que sus componentes, es decir las moléculas, realicen funciones tales como conducir la electricidad (nanocables) o que sean capaces de funcionar como conectores o interruptores.

Save record 28

Record 29 2013-03-26

English

Subject field(s)
  • Mathematical Geography
CONT

"Average gradient" of air survey film is defined as follows : the lower point M is located on the characteristic curve where the net density is 0. 30. With point M as center an arc is described with radius equal to 1. 5 on the Log E or density scale. The intersection of this arc with the characteristic curve determines the upper point N. The average gradient is the slope of the line MN.

French

Domaine(s)
  • Géographie mathématique
CONT

Photographie. Contraste d'une émulsion, pente de la courbe qui représente le cologarithme du facteur de transmission (densité optique) en fonction du logarithme de l'éclairement.

Spanish

Save record 29

Record 30 2013-01-21

English

Subject field(s)
  • The Moon (Astronomy)
  • Practical Astronomy
DEF

The point in the path of a body orbiting the moon that is farthest from the center of the moon.

French

Domaine(s)
  • Lune (Astronomie)
  • Astronomie pratique

Spanish

Save record 30

Record 31 2013-01-11

English

Subject field(s)
  • Physical Geography (General)
DEF

The meridional (transverse) form of the Plate Carrée map projection.

OBS

It plots to scale, in a rectangular Cartesian coordinate system :(a) the geodetic distance on the rotational ellipsoid, from the central meridian to a specified point, as the x-coordinate; and(b) the distance along the central meridian, from the center to the point of intersection with the geodesic, as the y-coordinate.

French

Domaine(s)
  • Géographie physique (Généralités)
DEF

[...] projection transverse cylindrique [qui] respecte l’échelle le long du méridiencentral et de toutes les lignes qui lui sont parallèles.

Spanish

Save record 31

Record 32 2012-10-03

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
  • Aeronautical Engineering and Maintenance
CONT

Fuel enters the system through the ground refueling point attached to the center fuselage tank and leaves the system through the single jet engine. The engine is supplied with fuel from the feed tank.

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Aérotechnique et maintenance

Spanish

Save record 32

Record 33 2012-04-19

English

Subject field(s)
  • General Mechanics (Physics)
DEF

The state in which a disturbance may cause a body (or a system) to be displaced from its rest position, assuming a new position of equilibrium; left alone the body (or the system) does not return to its original position.

CONT

equilibrium : state of balance. When a body or a system is in equilibrium, there is no net tendency to change. In mechanics, equilibrium has to do with the forces acting on a body.... However, a state of equilibrium does not mean that no forces act on the body, but only that the forces are balanced.... The stability of a body is a measure of its ability to return to a position of equilibrium after being disturbed. It depends on the shape of the body and the location of its center of gravity... A body with a large flat base and a low center of gravity will be very stable, returning quickly to its position of equilibrium after being tipped. However, a body with a small base and high center of gravity will tend to topple if tipped and is thus less stable than the first body. A body balanced precariously on a point is in unstable equilibrium. Some bodies, such as a ball or a cone lying on its side, do not return to their original position of equilibrium when pushed, assuming instead a new position of equilibrium; these are said to be in neutral equilibrium.

OBS

In case of a "wave perturbation", "neutral equilibrium" and "neutral stability" are often used interchangeably

French

Domaine(s)
  • Mécanique générale (Physique)
CONT

Équilibre d'un corps. Un système est dit en équilibre stable si, écarté de sa position d'équilibre initiale, il y revient de lui-même. Un système est dit en équilibre instable lorsque, écarté de sa position d'équilibre initiale, l'écart s'amplifie naturellement. Un système est dit en équilibre indifférent lorsque, écarté de sa position d'équilibre initiale, il reste dans la nouvelle position qui lui a été donné.

Spanish

Campo(s) temático(s)
  • Mecánica general (Física)
CONT

Cuando un cuerpo es ligeramente apartado de su posición, puede comportarse de tres modos diferentes que constituyen otras tantas formas de equilibrio: si vuelve por sí mismo a la posición primitiva es que se halla en equilibrio estable; si se queda inmóvil en la mueva posición, se halla en equilibrio indiferente [...].

Save record 33

Record 34 2011-09-15

English

Subject field(s)
  • Mining Operations
DEF

A load imposed on a structural member at a point distant from the center of the member, whereby a bending moment is created equal to the load multiplied by the arm.

Key term(s)
  • off-center load

French

Domaine(s)
  • Exploitation minière

Spanish

Save record 34

Record 35 2011-07-13

English

Subject field(s)
  • Plate Tectonics
  • Vulcanology and Seismology
DEF

... an underwater mountain range, typically having a valley known as a rift running along its axis, formed by plate tectonics.

CONT

The ocean basins are characterized by a central ridge structure that divides the basin about in half. This midoceanic ridge consists of submarine hills that rise gradually to a rugged central zone. Precisely in the center of the ridge, at its highest point, is the axial rift, which is a narrow, trench-like feature. The location and form of this rift suggest that the crust is being pulled apart along the line of the rift. The midoceanic ridge and its principal branches can be traced through the ocean basins for a total distance of about 60, 000 km(about 37, 000 mi).

CONT

The space between these diverging plates is filled with molten rocks (magma) from below. Contact with seawater cools the magma, which quickly solidifies, forming new oceanic lithosphere. This continuous process, operating over millions of years, builds a chain of submarine volcanoes and rift valleys called a mid-ocean ridge or an oceanic spreading ridge.

French

Domaine(s)
  • Tectonique des plaques
  • Volcanologie et sismologie
DEF

Chaîne de montagnes océaniques qui correspond à la distension de deux plaques océaniques surmontées d'un rift.

OBS

Les dorsales océaniques forment le relief le plus important de la planète. Leur longeur totale est d'environ 64 000 km.

CONT

Zones de divergence, les dorsales sont le siège de séismes peu profonds (foyers à moins de 70 km) causés par des contraintes de tension générées par l’écartement des deux plaques. C’est le long des zones axiales effondrées que se mettent en place les magmas nouveaux, de nature tholéiitique, et que s’opère l’ouverture de l’écorce.

Key term(s)
  • dorsale médioocéanique

Spanish

Campo(s) temático(s)
  • Tectónica de placas
  • Vulcanología y sismología
DEF

Cordillera submarina que divide las cuencas oceánicas.

CONT

En cada océano la cuenca [oceánica] suele hallarse subdividida en dos o más partes por la dorsal oceánica.

CONT

La dorsal medioceánica es una larguísima cordillera que se yergue en la parte media del fondo de los océanos, dividiendo así su cuenca en dos. Parte del océano Ártico, pasa entre Groenlandia y Noruega y luego entre las Américas, por una parte, y Europa y África por la otra; contornea África, pasa por la Antártida, Asia, Australia y, desde el sur del Pacífico, sube hasta el hemisferio boreal donde toca, al fin, tangencialmente, las costas occidentales de América del Norte.

Save record 35

Record 36 2011-07-12

English

Subject field(s)
  • Radiography (Medicine)
  • Musculoskeletal System
DEF

A line drawn from the center of the navicular and the trochlea tali to the lowest point on the inferior cortical margin of the first metatarsal head.

French

Domaine(s)
  • Radiographie (Médecine)
  • Appareil locomoteur (Médecine)
DEF

Ligne passant par le point le plus bas de la tête du premier métatarsien, le centre du scaphoïde et le centre de la poulie astragalienne qui, sur le pied normal, se trouvent alignés.

Spanish

Save record 36

Record 37 2011-06-09

English

Subject field(s)
  • Dactyloscopy
DEF

A focal point at the center or heart of a pattern that may be used as a starting point when analysing fingerprint patterns.

French

Domaine(s)
  • Dactyloscopie
OBS

Deuxième point majeur de la classification dactyloscopique; le centre du dessin digital.

Spanish

Campo(s) temático(s)
  • Dactiloscopia
OBS

Núcleo de la región central del dactilograma.

Save record 37

Record 38 2011-05-20

English

Subject field(s)
  • Horse Husbandry
  • Horse Racing and Equestrian Sports
CONT

Viewed from the rear, the set is correct, if the perpendicular from the point of the buttock runs right through the center of the lower parts of the leg from the point of the hock, and leaves a space between the hoofs about equal to the width of the fetlock. If the line is inside these points, the horse is too open, often splay-footed(point of hoofs turned outward and inside of heels too close).

French

Domaine(s)
  • Élevage des chevaux
  • Courses hippiques et sports équestres
DEF

Se dit du cheval dont les membres sont déjetés latéralement. On le dit communément béquillard.

OBS

On retrouve aussi «trop ouvert» dans la source «c».

Key term(s)
  • trop ouvert

Spanish

Save record 38

Record 39 2011-05-05

English

Subject field(s)
  • Remote Sensing
  • Mathematical Geography
DEF

The point on the ground vertically beneath the perspective center of the camera lens.

French

Domaine(s)
  • Télédétection
  • Géographie mathématique
DEF

En photogrammétrie aérienne, point d'intersection avec le terrain de la verticale passant par le point de vue dans l'espace objet.

Spanish

Campo(s) temático(s)
  • Teledetección
  • Geografía matemática
DEF

En teledetección, punto del suelo que está en la vertical bajo el centro de perspectiva del objetivo de la cámara.

Save record 39

Record 40 2011-01-18

English

Subject field(s)
  • Curling
DEF

The series of concentric circles marked out on the playing surface or sheet with a large point (button) at their centre towards which the rocks are delivered in order to score.

CONT

The house is formed of four concentric circles having a diameter of 12 (3,66 m), 8 (2,44 m), 4 (1,22 m) and 2 feet (0,61 m) respectively. The ring enclosed by the 12-foot and the 8-foot circles (called "outer ring") is blue and the one enclosed by the 4-foot and the 2-foot circles (called "inner ring" or "inside ring"), red, which leaves uncolored the ring enclosed by the 8-foot and the 4-foot circles (called "middle ring") and the inside of the 2-foot circle (called "tee" or "button"), giving them a white appearance. Seen from above, the house appears as a series of three rings, blue, white and red around a white button.

OBS

The scoring side receives 1 point for each stone inside the house that is not canceled by reason of an opponent's stone lying closer to the center, the house being the designation given to the "target, "embracing the entire area inside the outer ring.

French

Domaine(s)
  • Curling
DEF

Série de cercles concentriques au centre desquels se trouve un point, le bouton, et vers lesquels les pierres sont lancées pour marquer des points au curling.

CONT

La maison est formée de quatre cercles concentriques de 12 (3,66 m), 8 (2,44 m), 4 (1,22 m) et 2 pieds (0,61 m) de diamètre. L'anneau compris entre le cercle de 12 pieds et celui de 8 pieds (appelé «cercle extérieur») est teinté de bleu, et celui compris entre le cercle de 4 pieds et celui de 2 pieds (appelé «cercle intérieur»), teinté de rouge, ce qui laisse l'espace entre les cercles de 8 pieds et de 4 pieds (appelé «cercle intermédiaire» ou «cercle du milieu») et l'intérieur du cercle de 2 pieds (appelé «bouton» ou «mouche»), à l'état naturel, en apparence blancs. Vue en plongée, la maison apparaît comme une série de trois anneaux de couleur, bleu, blanc, rouge, encerclant un bouton blanc.

OBS

Le terme «but» signifie davantage le «bouton» que la «maison» bien que l'usage lui donne un sens ou l'autre.

Spanish

Save record 40

Record 41 2010-12-01

English

Subject field(s)
  • Various Military Titles
  • Air Forces
OBS

Air Force Doctrine Center... provides a focal point for air, space, and information operation doctrine. Develops basic and operational doctrine for USAF [United States Air Force] Total Force. Advocates doctrinally correct representation and execution at the operational level of war in service, joint, and multinational operations, exercises, and other events. Collects input from exercises and operations for lessons learned. Participates in the investigation of future operational concepts and strategies to capture emerging doctrine. Presents USAF doctrine to Air Forces, other service, and joint audiences.

Key term(s)
  • Air Force Doctrine Centre

French

Domaine(s)
  • Appellations militaires diverses
  • Forces aériennes

Spanish

Save record 41

Record 42 2010-11-19

English

Subject field(s)
  • Injections, Tubing and Transfusions (Medicine)
CONT

The introduction point must be as far posterior as possible, in the plane of the anterior border of the femoral neck to promote declivitous downward. It allows for pus evacuation, confirmation of the diagnosis and bacteriological samples to be taken. The lavage is done using ionized polyvidone dilution in physiological saline solution. The catheter is inserted in the center of the trocart and pushed intra-articularly under fluoroscopic control.

French

Domaine(s)
  • Injections, tubages et transfusions (Médecine)
CONT

Le lavage est réalisé avec une solution de polyvidone iodée diluée à 50 p. 100 dans du sérum physiologique ou au seul sérum physiologique comme le recommandent Rombouts et coll.

Spanish

Save record 42

Record 43 2009-04-20

English

Subject field(s)
  • Air Transport
CONT

Static margin is a concept used to characterize the static stability and controllability of aircraft and missiles. In aircraft analysis, static margin is defined as the distance between the center of gravity and the neutral point of the aircraft.

French

Domaine(s)
  • Transport aérien
DEF

Grandeur physique qui permet d'évaluer la maniabilité et la stabilité d'un aéronef.

CONT

La distance entre le centre de gravité et le foyer se nomme la marge statique.

CONT

La marge statique correspond à la valeur algébrique de la distance entre les projections du centre de gravité et du foyer aérodynamique d'un avion sur une corde de référence longitudinale, exprimée en pourcentage de la longueur de cette corde, et considérée comme positive lorsque le foyer est en arrière du centre de gravité.

OBS

C'est à partir d'un point de référence appelé « foyer » que dépend la stabilité d'un avion. La position du CG [centre de gravité] par rapport au Foyer détermine sa stabilité ou sa maniabilité. [...] Le foyer est le point d'application des variations de la portance. L'une des propriétés du foyer est que sa position est fixe, contrairement au point d'application de la portance qui est toujours appliqué au centre de gravité, et dont la position varie en fonction de la répartition des masses fixes et mobiles de l'avion.

Spanish

Save record 43

Record 44 2009-03-04

English

Subject field(s)
  • Gravity (Physics)
  • Descriptive Geometry
  • Modelling (Mathematics)
  • Environmental Studies and Analyses
DEF

The point in a body, or in a system of bodies at which for certain purposes the entire mass may be assumed to be concentrated.

CONT

The product is an estimate of advection of the centroid of the dredged material by ambient currents.

OBS

For bodies near the earth, this [point] coincides with center of gravity.

OBS

centroid: term used at Natural Resources Canada - Earth Sciences Sector.

PHR

Centroid of a street block-face.

Key term(s)
  • centre of mass
  • centre of gravity

French

Domaine(s)
  • Pesanteur (Physique)
  • Géométrie descriptive
  • Modélisation (Mathématique)
  • Études et analyses environnementales
DEF

Point fictif désignant le barycentre d'une configuration géométrique.

CONT

Cette valeur estimera l'advection que subira le centre de masse des déblais sous l'effet du courant «in situ».

OBS

centre de gravité : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Gravedad (Física)
  • Geometría descriptiva
  • Modelización (Matemáticas)
  • Estudios y análisis del medio ambiente
DEF

Punto donde se considera concentrada toda la masa de un cuerpo o sistema de cuerpos cuando se desea calcular el efecto gravitacional al aplicar una fuerza.

Key term(s)
  • centro de masa
Save record 44

Record 45 2008-09-04

English

Subject field(s)
  • Plane Geometry
CONT

A limiting curve(horocycle) is the set of all points corresponding to a given point on a pencil of rays with an ideal point as vertex(the center of the horocycle).

French

Domaine(s)
  • Géométrie plane
CONT

Un horocycle est traditionnellement défini par le point diamétralement opposé à son point à l'infini.

Spanish

Save record 45

Record 46 2008-03-18

English

Subject field(s)
  • Gravity (Physics)
  • Launching and Space Maneuvering
CONT

Some future satellite programs will employ the gravity gradient orientation or stabilization system, which makes use of the fact that... a long body in orbit will always point toward the center of the Earth.

French

Domaine(s)
  • Pesanteur (Physique)
  • Lancement et manœuvres dans l'espace
CONT

Le gradient de gravité a pour origine l'attraction différentielle qui s'exerce sur des masses situées à des distances différentes du centre de la Terre.

Spanish

Save record 46

Record 47 2007-11-27

English

Subject field(s)
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
  • Aircraft Piloting and Navigation
CONT

The turn and slip indicator is a combination of two instruments; the turn needle and the ball. The needle is gyro operated to show rate of turn. The ball reacts to centrifugal force to indicate the quality of a turn.

CONT

The turn and slip indicator consists of two instruments combined. The turn indicator, above, consists of an electrically driven gyroscope connected to a pointer. It indicates rate, by magnitude of deflection, and direction, by direction of deflection of the pointer, of the turn. The slip indicator consists of a small ball in a curved tube. If the glider is not correctly aligned in the turn then the ball will roll out from the center point.

OBS

pointer: not to be confused with the "airplane pointer" on the heading indicator.

French

Domaine(s)
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Pilotage et navigation aérienne
CONT

La bille et l'indicateur de virage. Ces deux instruments sont souvent réunis sur un même cadran. L'indicateur de virage prend souvent la forme d'une aiguille. D'où l'appellation globale que l'on utilise parfois «la bille-aiguille». La bille : Elle renseigne le pilote sur la symétrie du vol. Son principe est basé sur les forces d'inertie que subit l'avion en virage. L'aiguille : Elle indique le sens et le taux du virage. Elle est associée à un gyroscope dont la référence est la verticale. [...] Lorsque l'aiguille s'incline à droite, l'avion est en virage à droite (idem à gauche) [...] l'aiguille indique un taux de virage en degré par seconde [...] un virage de 360° s'effectuera en deux minutes.

OBS

aiguille : terme uniformisé par les Comités d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes et Maintenance.

Spanish

Save record 47

Record 48 2007-11-07

English

Subject field(s)
  • System Names
  • Remote Sensing
  • Cartography
OBS

GCNet(formerly the Global Change Network) was developed at the Canada Center for Remote Sensing(CCRS) to serve as a single point of contact for global change researchers, scientists and users of remote sensing information. It is a free online system that directs users to pertinent international datasets and other up-to-date information.

OBS

GCNet; Global Change Network System: terms used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Noms de systèmes
  • Télédétection
  • Cartographie
OBS

Système de manipulation de données du CCT (Centre canadien de télédétection).

OBS

Système GCNet du Centre canadien de télédétection.

OBS

GCNet; réseau d'étude des changements à l'échelle du globe : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 48

Record 49 2007-05-28

English

Subject field(s)
  • Aircraft Piloting and Navigation
CONT

The pilot adjusts to the established glide slope at a point which he judges to be the optimum distance from the landing strip by maneuvering the controls to place nose point 32 of image A in the center of the preset attitude circle D and setting the throttle to optimum approach power.

French

Domaine(s)
  • Pilotage et navigation aérienne
OBS

D'après le contexte, il semble que le mot «established» est employé ici pour désigner une pente de descente «concrète», une pente de descente, créée par des moyens lumineux (ou électroniques) et que suivront les aéronefs en cours d'approche.

Key term(s)
  • pente de descente pré-établie

Spanish

Save record 49

Record 50 2007-02-05

English

Subject field(s)
  • Launching and Space Maneuvering
DEF

An imaginary curved line created on the ground by a series of connected subsatellite points.

OBS

The inclination of a satellite, together with its orbital altitude and the period of its orbit, creates a track defined by an imaginary line connecting the satellite and the Earth's center. The intersection on the line with the Earth's surface is the subsatellite point. As the Earth turns on its axis and the satellite orbits overhead, a line is created by the satellite's apparent path over the ground(the series of subsatellite points connected). A geostationary satellite has an inclination of essentially zero, and, because its orbital period exactly matches the Earth's rotation, its ground track is reduced to an apparent stationary point on the equator.

OBS

ground track: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
DEF

Projection au sol suivant la direction géocentrique, ou par extension planétocentrique, de la courbe décrite par le centre de masse d'un véhicule aérien ou spatial.

CONT

Les écarts d'orbite d'Envisat ne devraient pas engendrer d'écarts supérieurs à +/- 1 km par rapport à la trace au sol de référence.

OBS

trace au sol : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Campo(s) temático(s)
  • Lanzamiento y maniobras en el espacio
DEF

Proyección vertical de la trayectoria real de un vehículo aéreo o espacial sobre la superficie de la Tierra o de otro cuerpo.

Save record 50

Record 51 2006-12-21

English

Subject field(s)
  • Wheels and Tires (Motor Vehicles and Bicycles)
DEF

The distance between the center of the wheel and the contact point of the tire on the ground under the weight of the vehicle.

French

Domaine(s)
  • Roues et pneus (Véhicules automobiles et bicyclettes)

Spanish

Save record 51

Record 52 2004-12-05

English

Subject field(s)
  • Meteorological Forecasting, Data Measurement and Analysis
  • Aircraft Piloting and Navigation
DEF

A star-shaped diagram indicating the relative frequencies of the wind directions, and sometimes the frequencies of the wind speeds for different directions, recorded at a station for a specific period of time.

OBS

The most common form consists of a circle from which eight or sixteen lines emanate, one for each compass point. The length of each line is proportional to the frequency of wind from that direction, and the frequency of calm conditions is entered in the center. Many variations exist; some indicate the range of wind speeds from each direction; some relate wind directions with other weather occurrences.

Key term(s)
  • windrose
  • wind-rose

French

Domaine(s)
  • Prévisions météorologiques et mesure et analyse des données
  • Pilotage et navigation aérienne
DEF

Diagramme en forme d'étoile indiquant les fréquences relatives des diverses directions du vent, et parfois des fréquences de groupes de vitesse du vent pour ces directions, mesurées à une station pendant une période donnée.

OBS

Plusieurs types de présentations graphiques sont possibles, soit en polygones emboîtés, soit en répartition radiale. Le nombre des secteurs de directions pris en considération est fonction de la précision requise. Les plus fréquemment utilisées sont les roses de 8, de 16 ou de 18 directions correspondant respectivement à des secteurs de 45°, 22°5 et 20°.

Spanish

Campo(s) temático(s)
  • Previsiones meteorológicas, medición y análisis de datos
  • Pilotaje y navegación aérea
DEF

Diagrama en forma de estrella, correspondiente a una estación e intervalo de tiempo dados, en que se representan las frecuencias relativas de las diferentes direcciones del viento.

OBS

A veces, también da las frecuencias de las velocidades del viento agrupadas según las diferentes direcciones.

Save record 52

Record 53 2004-09-14

English

Subject field(s)
  • Medical and Dental Services (Military)
  • Blood
CONT

A blood transshipment center(BTC) serves as the central receiving point for blood shipments from the Armed Services Whole Blood Processing Laboratory(ASWBPL) and for issue to the Blood Supply Units(BSUs). A BTC can store and process up to 7, 200 units of liquid blood daily. A BTC is usually staffed and operated by United States Air Force(USAF) personnel and is located at a major airhead. BTC blood products are managed by the Joint Blood Program Office(JBPO) or Area Joint Blood Program Office(AJBPO), if established. One or more BTCs may be located in each theater of operation. Not all theaters of operations will require the use of a BTC.

Key term(s)
  • blood transshipment centre

French

Domaine(s)
  • Service de santé et service dentaire (Militaire)
  • Sang

Spanish

Save record 53

Record 54 2004-03-16

English

Subject field(s)
  • Optics
  • Photography
CONT

An alteration in magnification from the center of the field to any point in the field, measured in a radial direction from the center of the field. Some radial distortion is inherent in most optical systems, but can be reduced by proper design.

French

Domaine(s)
  • Optique
  • Photographie
CONT

La distorsion radiale est due au fait que le grandissement linéaire n'est pas le même pour les rayons paraxiaux et pour les rayons éloignés de l'axe. Elle dépend de la position du diaphragme d'entrée vis à vis de l'objet, la lentille, et l'image.

Spanish

Save record 54

Record 55 2004-03-16

English

Subject field(s)
  • Photography
  • Optics
DEF

The distortion that is the result of viewing a print from a point other than the center of perspective.

OBS

The center of perspective is that viewpoint at which the angular subtenses of points in the picture are identical with the angular subtenses of the original points in the scene, at the camera lens. Viewing a picture from too far away results in an excessive magnification of near points compared with distant points.

French

Domaine(s)
  • Photographie
  • Optique
CONT

Basculer et décentrer simultanément le bloc optique permet de contrôler à la fois la profondeur de champ et la distorsion de perspective. La correction de la perspective est tout spécialement importante pour la prise de vues d'intérieur et de sujets publicitaires.

Spanish

Save record 55

Record 56 2004-01-16

English

Subject field(s)
  • Mathematics
DEF

At a given point on a curve, the center of the... circle of the curve at that point.

French

Domaine(s)
  • Mathématiques
CONT

Si l'on porte sur la normale (perpendiculaire à la tangente), à partir du point M et dans le sens de la concavité, une longueur égale au rayon de courbure, on obtient le centre de courbure.

Spanish

Save record 56

Record 57 2004-01-08

English

Subject field(s)
  • Physical Geography (General)
DEF

A system of coordinates by which a point on the surface of a sphere is located in space by its distance from a fixed point at the center, called the pole.

Key term(s)
  • space-polar coordinate

French

Domaine(s)
  • Géographie physique (Généralités)
Key term(s)
  • coordonnée polaire dans l'espace

Spanish

Save record 57

Record 58 2004-01-07

English

Subject field(s)
  • Cartography
  • Mathematical Geography
DEF

The angle at the center of a sphere which is tangent to the spheroid along the geodetic equator, between the plane of the equator and the radius to the point intersected on the sphere by a straight line perpendicular to the plane of the equator and passing through the point on the spheroid whose parametric latitude is defined. Parametric latitude is an auxiliary latitude used in problems of geodesy and cartography. In astronomical work, when the term reduced latitude is used, geocentric latitude is meant.

French

Domaine(s)
  • Cartographie
  • Géographie mathématique

Spanish

Save record 58

Record 59 2004-01-07

English

Subject field(s)
  • Cartography
  • Mathematical Geography
DEF

A map projection produced by straight lines radiating from a selected point and passing through points on the sphere to the plane of projection. The plane of projection is usually tangent to the sphere which represents the earth at the center of the area being mapped; the point of projection is on the diameter of the sphere which passes through the point of tangency, and at some selected point on that diameter.

French

Domaine(s)
  • Cartographie
  • Géographie mathématique

Spanish

Save record 59

Record 60 2003-09-24

English

Subject field(s)
  • International Bodies and Committees
  • Scientific Measurements and Analyses
  • Hydrology and Hydrography
  • General Scientific and Technical Vocabulary
OBS

On June 1, 1990, the IHO Data Center for Digital Bathymetry(DCDB) was officially established. Since that time, the IHO DCDB has made substantial progress toward establishing itself as the focal point for digital hydrographic data services for IHO Member Countries.

Key term(s)
  • Data Center for Digital Bathymetry

French

Domaine(s)
  • Organismes et comités internationaux
  • Mesures et analyse (Sciences)
  • Hydrologie et hydrographie
  • Vocabulaire technique et scientifique général

Spanish

Campo(s) temático(s)
  • Organismos y comités internacionales
  • Medición y análisis (Ciencias)
  • Hidrología e hidrografía
  • Vocabulario técnico y científico general
Save record 60

Record 61 2003-03-17

English

Subject field(s)
  • Urban Renewal
CONT

The participants of the round table were mainly discussing problems of the real estate legislation currently in force and information support of investment activities in the historic center of the city. From the point of view of the journalists, the main obstacles restricting development of the real estate reconstruction process are imperfection of the legislative framework, lack of required engineering capacities and old infrastructure utilities in the city center.

CONT

Project management of various projects such as large real estate rebuilding or refurbishing projects, giving guidance in case of mergers, automation projects, facility projects and projects of social services.

Key term(s)
  • realestate reconstruction
  • realestate rebuilding

French

Domaine(s)
  • Rénovation urbaine
CONT

Si le rétablissement du niveau de production de 1938 est à peu près réalisé vers 1948-1949, l'essentiel de la reconstruction immobilière ne s'achève pas avant 1954-1958.

CONT

[...] le FEDER [Fonds européen de développement régional] devrait pouvoir verser des aides à la reconstruction immobilière.

OBS

1940, 11 octobre. - Loi réglementant la reconstruction des villes partiellement ou totalement détruites par suite de faits de guerre (Journal Officiel du 25 octobre 1940). Rectifiée et complétée par la loi du 10 février et celle du 12 juillet 1941 (Journal Officiel du 16 août 1941). Auprès du commissaire à la Reconstruction immobilière, est institué un Comité national de la Reconstruction dont la composition est fixé par arrêté en date du 8 novembre 1940, et qui comprend une Section d'urbanisme.

Spanish

Save record 61

Record 62 2002-11-29

English

Subject field(s)
  • Urban Development
DEF

In Anglo-Saxon England, specifically a planned town designed as a military strong point and center of political control in a designated region.

French

Domaine(s)
  • Développement urbain
DEF

Ville fortifiée, souvent développée à côté d'une cité gallo-romaine.

OBS

bourg : ancien français.

Spanish

Save record 62

Record 63 2002-11-27

English

Subject field(s)
  • Mathematical Geography
DEF

That point at which a vertical line through the perspective center of the camera lens pierces the plane of the photograph.

French

Domaine(s)
  • Géographie mathématique
DEF

Sur une photographie aérienne, c'est l'intersection de la verticale du point de prise de vue avec le plan de la photographie.

Spanish

Save record 63

Record 64 2002-10-23

English

Subject field(s)
  • Telephone Exchanges
DEF

A switching center whose principal function is to act as a central switching point on calls between other central offices, thus allowing the consolidation of a trunk group for more efficient operation.

CONT

Tandems are classed as toll switching systems, although a large portion of the connections they establish may be within the exchange area.

French

Domaine(s)
  • Centraux téléphoniques
DEF

Centre qui assure les liaisons entre deux centres qui ne sont pas reliés directement.

Spanish

Save record 64

Record 65 2002-07-04

English

Subject field(s)
  • International Bodies and Committees
  • Ecology (General)
  • Environmental Economics
OBS

Organization established at the Butler University, Indianapolis, United States.

OBS

The International Ground Water Modeling Center(IGWMC) is an internationally oriented information, education and research center for ground-water modeling. IGWMC advises on ground-water modeling problems, distributes ground-water modeling software, organizes short courses and workshops, conducts research in practical, applied areas of ground-water hydrology and modeling, and provides technical assistance on problems related to ground-water modeling. As a focal point for ground-water professionals, the Center supports and advances the appropriate use of quality-assured models in ground-water resources protection and management.

Key term(s)
  • International Ground Water Modelling Centre
  • International Ground Water Modeling Centre
  • International Ground Water Modeling Center

French

Domaine(s)
  • Organismes et comités internationaux
  • Écologie (Généralités)
  • Économie environnementale
OBS

Appellation et abréviation confirmées par l'organisme.

Key term(s)
  • Centre international de modélisation des eaux souterraines

Spanish

Campo(s) temático(s)
  • Organismos y comités internacionales
  • Ecología (Generalidades)
  • Economía del medio ambiente
Save record 65

Record 66 2002-04-17

English

Subject field(s)
  • General Mechanics (Physics)
  • Flight Instruments and Equipment (Aeroindustry)
  • Navigation Instruments
CONT

Because the gyroscope is supported as a pendulum, the support point, the center of mass of the gyroscope, and the center of the earth tend to lie along the same straight, vertical line.

CONT

Gravity acting on the center of mass of the gyroscope causes a torque at the gyroscope's point of contact with the surface on which it is resting. If you spun the gyroscope perfectly vertically, it wouldn’t do that(until friction perturbed it) because the force would be acting directly through the center of mass, nor would it precess like that if it were in free fall(because it is not in contact with any surface capable of inducing a torque).

OBS

Center of Mass-This is the point at which the entire mass of an object is centered.

Key term(s)
  • gyroscope center of mass
  • center of mass

French

Domaine(s)
  • Mécanique générale (Physique)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Instruments de navigation
CONT

Gyros de références inertielles : Admettons que le montage de Cardan est idéal et le centrage de O parfait, c'est-à-dire que O est à la fois le point de croisement des axes des articulations et le centre d'inertie du gyro. Dans ces conditions en l'absence de tout couple moteur le gyro ne reçoit aucun couple et donc son axe reste inertiellement fixe.

OBS

En pratique, le gyroscope est formé par un disque installé dans une monture à cardan qui permet la liberté de mouvement dans toutes les directions. Si le gyroscope est bien équilibré, c'est-à-dire si son centre de masse est exactement au centre de la suspension, son axe de rotation conservera sa direction par rapport aux étoiles fixes.

OBS

centre de masse : Point auquel est associée une masse égale à la masse d'un système donné tel que par rapport à tous les plans, le moment statique de ce point soit égal à celui du système.

Key term(s)
  • centre de masse

Spanish

Save record 66

Record 67 2002-03-18

English

Subject field(s)
  • Weather Stations and Meteorological Instruments and Equipment
CONT

The Center for Weather Forecasts and Climate Studies(CPTEC) of the National Institute for Space Research(INPE), located in Cachoeira Paulista, São Paulo, Brazil, develops, produces and disseminates weather forecasts as well as seasonal climate forecasts since early 1995.... It is a regional focal point for numerical seasonal climate forecast for Brazil and the rest of the continent.

French

Domaine(s)
  • Stations, instruments et équipements météorologiques

Spanish

Campo(s) temático(s)
  • Estaciones, instrumentos y equipos meteorológicos
Save record 67

Record 68 2001-09-21

English

Subject field(s)
  • General Mechanics (Physics)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
OBS

If the centroidal axis is not colinear with the element x-axis, applied axial forces will cause a bending of the element. If the axis through the shear center is not colinear with the element x-axis, applied shear forces will cause torsional rotation of the element. The nodes should therefore be located at the desired point of application of the forces.

French

Domaine(s)
  • Mécanique générale (Physique)
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

Rôle du couple gyroscopique : Conformément à la théorie du gyroscope, quand on impose un couple (modéré) d'axe non colinéaire à l'axe de la rotation gyro, le gyro «réagit» en s'imposant une vitesse angulaire de précession telle que le couple gyroscopique créé annule celui imposé.

Spanish

Save record 68

Record 69 2001-09-21

English

Subject field(s)
  • General Mechanics (Physics)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
OBS

If the centroidal axis is not colinear with the element x-axis, applied axial forces will cause a bending of the element. If the axis through the shear center is not colinear with the element x-axis, applied shear forces will cause torsional rotation of the element. The nodes should therefore be located at the desired point of application of the forces.

Key term(s)
  • non colinear axis torque

French

Domaine(s)
  • Mécanique générale (Physique)
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

Rôle du couple gyroscopique : Conformément à la théorie du gyroscope, quand on impose un couple (modéré) d'axe non colinéaire à l'axe de la rotation gyro, le gyro «réagit» en s'imposant une vitesse angulaire de précession telle que le couple gyroscopique créé annule celui imposé.

Spanish

Save record 69

Record 70 2001-08-30

English

Subject field(s)
  • General Mechanics (Physics)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
CONT

The motion of the gyroscope can be seen as a special kind of a pendulum swing. The swing is not a straight one which passes underneath the suspension point. It is constantly deviated to the side and returns back earlier to the same height.

OBS

If in a gravitational field you support a rotating body in only a single point that is not the center of gravity(center of mass), there is a torque acting on it; if the rotation is fast enough to be associated with a substantial angular momentum and the change in angular momentum effected by that torque is comparatively small, you will observe precession. Gyroscopes used for navigation have to be suspended in their center of gravity and in a way that when changing direction of the box(airplane) around it no torque is applied through that suspension.

French

Domaine(s)
  • Mécanique générale (Physique)
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

Précession : cas d'un gyroscope non suspendu en son centre de gravité. Supposons que [...] le centre de gravité G au lieu de se trouver confondu avec le point de suspension du gyroscope se trouve en un point de l'axe de celui-ci différent du point de suspension.

Spanish

Save record 70

Record 71 2001-08-30

English

Subject field(s)
  • General Mechanics (Physics)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
OBS

If in a gravitational field you support a rotating body in only a single point that is not the center of gravity(center of mass), there is a torque acting on it; if the rotation is fast enough to be associated with a substantial angular momentum and the change in angular momentum effected by that torque is comparatively small, you will observe precession. Gyroscopes used for navigation have to be suspended in their center of gravity and in a way that when changing direction of the box(airplane) around it no torque is applied through that suspension.

French

Domaine(s)
  • Mécanique générale (Physique)
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

Précession : cas d'un gyroscope non suspendu en son centre de gravité. Supposons que [...] le centre de gravité G au lieu de se trouver confondu avec le point de suspension du gyroscope se trouve en un point de l'axe de celui-ci différent du point de suspension. [...] On dit que le gyroscope précessionne. L'application d'une force (ici le poids) provoque le déplacement du moment cinétique du gyroscope perpendiculairement à cette force; c'est ce que l'on appelle souvent l'effet gyroscopique qui désoriente fréquemment ceux qui ont affaire pour la première fois avec le gyroscope.

Spanish

Save record 71

Record 72 2001-04-01

English

Subject field(s)
  • Astrophysics and Cosmography
  • Astronautics
DEF

The point in the Galactic plane that lies directly opposite the Galactic center.

OBS

Here we gaze toward the edge of the Galactic disk.

French

Domaine(s)
  • Astrophysique et cosmographie
  • Astronautique
Key term(s)
  • anticentre de la galaxie
  • anti-centre galactique

Spanish

Save record 72

Record 73 2001-04-01

English

Subject field(s)
  • Orbital Stations
CONT

Objects placed at these points tend to move in "halo orbits" and require modest stationkeeping to avoid eventual ejection. NASA Goddard Space Flight Center engineer Robert Farquhar advocates using the Earth-moon L-2 point as the site for a Halo-Orbit Space Station(HOSS) supporting lunar surface operations.

Key term(s)
  • halo orbit space station

French

Domaine(s)
  • Stations orbitales

Spanish

Save record 73

Record 74 2001-03-15

English

Subject field(s)
  • Mathematical Geography
  • Measuring Instruments
DEF

A small air-filled cavity, or the globule of air or gas, in the glass tube of a spirit level.

OBS

When the level is adjusted to the horizontal, the center of the bubble comes to rest under a fixed mark or etched line at the highest point possible in the tube.

French

Domaine(s)
  • Géographie mathématique
  • Appareils de mesure
DEF

Dans un niveau (sphérique ou torique) c'est la partie non remplie de la nivelle, qui permet d'assurer l'opérateur de l'horizontalité de l'instrument ou de faire la mesure de pente.

Spanish

Save record 74

Record 75 2001-02-28

English

Subject field(s)
  • Informatics
CONT

Notice in the drawing routines, especially the arc routines, that familiarity with how the arc routine works is important. In the first arc statement, the command arc is executed and the first point is entered. The center option is chosen before the second point is entered. At this point, you should be able to decipher what is happening in the first nine statements of this function. Next, the arc number value is initialized and set. This value counts how many times you run through this routine. Each time you run through the routine, you create one first arc. The next statement calculates the arc length by calculating the distance between the start and end points of the first arc. Now that you have the arc number and the length of the arcs, you can calculate the overall length of the insulation. Notice the last statement of the routine. That is precisely what happens. In the while loop, the variable total is compared to the wall length. If the total variable is less than the wall length variable, the routine will be run again. Otherwise, the routine is ended.

French

Domaine(s)
  • Informatique
OBS

Le calcul des arcs, anneaux et tubes circulaires.

Spanish

Save record 75

Record 76 2001-01-17

English

Subject field(s)
  • Volleyball
OBS

Crossing the center line. A player may put his hands under the net in order to play a low ball near the net, provided that he does not obstruct an opposing player. Under no circumstances may a player move on to the opposing court before the referee or the umpire has whistled to denote the end of a point or an interruption.

French

Domaine(s)
  • Volleyball
OBS

Passage de la ligne centrale. Pour lui permettre de jouer une balle basse près du filet, un joueur peut passer les mains sous le filet à condition qu'il ne gêne pas un adversaire. En aucun cas un joueur ne peut pénétrer sur le terrain adverse avant que l'un des arbitres n'ait sifflé la fin du jeu ou une interruption.

Spanish

Campo(s) temático(s)
  • Vóleibol
Save record 76

Record 77 2000-11-22

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • HVAC Distribution Systems
DEF

The distance [in metres] from the center of the outlet to a point in the mixed air stream where the highest sustained velocity of the mixed air stream has been reduced to a specified level.

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Distribution et évacuation (chauffage et conditionnement d'air)
DEF

Distance horizontale [en mètres] parcourue par le flux d'air mélangé et mesurée entre l'axe vertical de la bouche de diffusion et le point où la vitesse terminale est tombée à une certaine valeur.

Spanish

Save record 77

Record 78 2000-09-18

English

Subject field(s)
  • Chemistry
CONT

It is likely that the first step in all reactions is an attack by the nucleophilic center on the positively charged sodium nucleus, facilitated by the ready polarizability of the sodium electrons, which recede from the point of attack and permit formation of at least a partial ion-pair bond between the sodium cation and the nucleophilic center.

OBS

See also the closely-related term "sodium ion", a cation being a positive ion.

OBS

Na+.

French

Domaine(s)
  • Chimie
CONT

Sels de sodium. À côté des composés ci-dessus décrits, dont beaucoup sont détruits par l'eau (hydrure, amidure, composés organométalliques, etc.) et sont préparés à partir du métal, il existe de très nombreux sels solubles dans l'eau. Le cation Na+ a un rayon intermédiaire entre ceux des ions Li+ et K+.

OBS

pluriel : des cations sodium.

OBS

Na+.

Spanish

Save record 78

Record 79 2000-02-09

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
DEF

The sill which extends from a point under the derrick floor, where it rests upon the nose sill, back to a point beyond the location of the sand reel. It lies at a slight angle to the center line of the rig, rests upon four mud sills, supports the Sampson post, and acts as the mainstay which ties the rig front together.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
OBS

semelle : Pièce plate de bois ou de métal, servant d'appui ou de renfort et disposée horizontalement.

CONT

Semelle principale, notamment d'un derrick.

Spanish

Save record 79

Record 80 1999-08-18

English

Subject field(s)
  • Geology
  • Cartography
DEF

Dipping toward a common point or center.

CONT

They have a centroclinal dip or form a basin.

OBS

Opposed to quaquaversal.

French

Domaine(s)
  • Géologie
  • Cartographie
DEF

En cartographie structurale, se dit de la terminaison longitudinale conique d'un pli cylindrique.

Spanish

Save record 80

Record 81 1999-05-10

English

Subject field(s)
  • Scientific Instruments
CONT

For angle measuring or line prolongation, the foresight is the angle measurement on the graduated horizontal circle of the instrument(set or to be read and recorded) when the vertical cross hair of the instrument is visually coinciding with the foresight point or with a marker in the vertical plane through the foresight point and the center of the instrument.

French

Domaine(s)
  • Instruments scientifiques
OBS

point de visée. [...] la lunette [d'un théodolite] peut être dirigée à volonté sur un point de visée [...]

Spanish

Save record 81

Record 82 1998-12-17

English

Subject field(s)
  • Medical and Surgical Equipment
  • The Eye
DEF

A perimeter consisting of a semicircular frame at the center of which the patient looks while a white object is moving along the arc, the exact point where it becomes visible or invisible being noted and recorded on a chart.

French

Domaine(s)
  • Équipement médico-chirurgical
  • Oeil
OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Save record 82

Record 83 1998-12-09

English

Subject field(s)
  • Water Transport
  • Fluid Mechanics and Hydraulics (Physics)
  • Oil Drilling
DEF

The geometric center of gravity, or center of area of the water plane at which a vessel floats. A vessel pitches, or rotates(about a transverse horizontal axis) through this point, when actuated by an external force.

DEF

The geometric center of the water plane at which a mobile, offshore drilling rig floats and about which point a rig rotates when acted upon by an external force without a change in displacement.

Key term(s)
  • centre of floatation
  • floatation centre
  • floatation center
  • centre of flotation
  • flotation centre
  • flotation center

French

Domaine(s)
  • Transport par eau
  • Mécanique des fluides et hydraulique (Physique)
  • Forage des puits de pétrole
DEF

Centre de la surface de flottaison.

Spanish

Save record 83

Record 84 1998-09-30

English

Subject field(s)
  • Terra Cotta
CONT

The temperature at any given point within the kiln remains constant and is monitored by sensing equipment in the form of thermocouples which feed data into a computer. The tiles enter at one end, are gradually heated(Pre-heat zone) as they progress slowly towards the center(Firing zone) of the kiln, and then are cooled slowly as they approach the(Cooling zone) opposite end of the tunnel. This process is widely used in the ceramic floor and wall tile industry.

French

Domaine(s)
  • Terres cuites

Spanish

Save record 84

Record 85 1998-09-23

English

Subject field(s)
  • Farm Equipment
CONT

A point where all the horizontal and vertical forces meet is considered to be the center of resistance or load(of a plow bottom).

French

Domaine(s)
  • Matériel agricole

Spanish

Save record 85

Record 86 1998-09-23

English

Subject field(s)
  • Farm Equipment
CONT

For optimum performance the center of load on the plow, the hitch point of the tractor and the tractor's center of pull must all fall in a straight line. This line is known as the line of draft.

French

Domaine(s)
  • Matériel agricole

Spanish

Save record 86

Record 87 1998-08-24

English

Subject field(s)
  • Synthetic Fabrics
CONT

One cannot enter into a discussion of nylon fibers for tire reinforcement without comparing nylon-6 to nylon-66. For the 30 plus years that these two materials have competed for the world's bias-ply truck tire market, the pros and cons have been the object of heated debate. At the center of controversy are the distinctions between the two in regards to thermal mechanical properties. Many people feel even today that nylon-6 is just a nylon-66 with a lower melting point.

Key term(s)
  • nylon fibre

French

Domaine(s)
  • Textiles artificiels et synthétiques

Spanish

Save record 87

Record 88 1998-08-05

English

Subject field(s)
  • Industrial Design
CONT

A tangent to a circle is a straight line that touches the circle at one point only. The point on the circle touched by the tangent is called the point of tangency or tangent point.

CONT

Straight or curved lines are tangent to a circle or arc when the line touches the circle or arc at only one point. If a line were to connect the center of the circle or arc to the point of tangency, the tangent line and the line from the center would form a 90 ° angle.

French

Domaine(s)
  • Dessin industriel
DEF

Lieu où une courbe et sa tangente se touchent.

CONT

Une droite est tangente à une circonférence lorsqu'elle la touche en un seul point (...). La tangente est perpendiculaire au rayon qui aboutit au point de contact.

CONT

On trace au crayon le cercle en entier et sa tangente pour ensuite effacer la portion du cercle qui est de trop; à l'encre, on doit arrêter le cercle au point de contact et continuer ensuite avec la tangente (...)

Spanish

Save record 88

Record 89 1997-01-16

English

Subject field(s)
  • Trucking (Road Transport)
  • Trailers and Hauling
DEF

On a road tractor, position of the coupling point, determined either in relation to the center of a single axle or to the center of the spread of the rear tandem axle.

French

Domaine(s)
  • Camionnage
  • Remorques et remorquage
DEF

Position du point d'attelage déterminée soit par rapport au centre de l'essieu simple, soit par rapport à l'écartement du tandem arrière du tracteur routier.

Spanish

Campo(s) temático(s)
  • Transporte por camión
  • Camiones con remolque y remolque
DEF

Posición del punto de acoplamiento que se determina en función del centro del eje simple o del espaciamiento entre los ejes del tándem trasero del camión tractor.

Save record 89

Record 90 1995-07-11

English

Subject field(s)
  • Racquet Sports
DEF

... A racket whose balance point is more than ¼ inch from the center(midpoint of the racket's length) toward the head.

Key term(s)
  • head-heavy tennis racquet
  • head-heavy tennis racket
  • head-heavy racket

French

Domaine(s)
  • Sports de raquette
CONT

Autour de 33 cm, la raquette est équilibrée, c'est-à-dire neutre. À plus de 33,5 cm, la raquette devient lourde en tête. Les amateurs du jeu de fond et les joueurs puissants choisiront une raquette plus lourde en tête parce qu'elle leur donnera plus de puissance (effet de masse).

OBS

Phraséologie connexe : équilibre en tête, équilibre dans le manche.

Spanish

Save record 90

Record 91 1995-07-11

English

Subject field(s)
  • Racquet Sports
DEF

... A racket whose balance point is more than ¼ inch from the center(midpoint of the racket's length) toward the handle.

French

Domaine(s)
  • Sports de raquette
CONT

Pour les adeptes du service-volée ou encore pour les enfants et les débutants ou débutantes, une raquette légère en tête constitue un bon choix parce qu'elle sera facile à manier (déplacement rapide de la raquette).

OBS

Phraséologie connexe : équilibre en tête, équilibre dans le manche.

Spanish

Save record 91

Record 92 1993-10-13

English

Subject field(s)
  • Palletization
  • Materials Handling
  • Applications of Automation
DEF

... intelligent, discriminating [palletizing] systems capable of picking up several different products and placing them at several different points.

CONT

These units are usually capable of movement in two or three planes, often on rotational coordinates operating from a fixed point at the center of a circle. They are capable of picking up a variety of products from one point on the circumference of the circle and placing it on one of several pallets located at other points around the circumference. Robotic palletizers are most applicable when a variety of products require different pallet patterns and relatively slow speeds are acceptable.

French

Domaine(s)
  • Palettisation
  • Manutention
  • Automatisation et applications
OBS

(...) de plus en plus, les opérations de palettisation ou de dépalettisation font appel à des robots qui offrent comme avantage essentiel leur grande liberté de programmation, donc une flexibilité intéressante pour traiter des problèmes variés. (...) Le cas se produit avec des palettisations de produits différents où un robot peut constituer plusieurs palettes différenciées à partir d'une ou plusieurs alimentations d'emballages distincts.

Spanish

Save record 92

Record 93 1993-02-23

English

Subject field(s)
  • Dams and Causeways
DEF

A movable dam, consisting of a water curtain formed by timber leaves or wickets inclined downstream; the butt of the wicket is supported against a sill along the upstream side of the base slab and the wicket is pivoted a little below its center point to a collapsible horse held in place by a long prop.

CONT

Chanoine Wicket-dam. ... The term "wicket" has been applied in the United States to a shutter revolving on an axle placed near its needle. Described in detail, a Chanoine wicket consists of three parts ...: A rectangular panel of wood or iron; the horse or trestle, supporting the axle of the shutter, and the prop holding up the horse and having its foot bearing against a cast-iron shoe, called a "hurter" (in French "heurtoir") fixed to the apron. The parts of the shutter above and below the axle are called respectively the "chase" and the "breech".

French

Domaine(s)
  • Barrages et chaussées
DEF

Barrage mobile constitué d'un rideau étanche en bois, incliné vers l'aval et s'articulant à un chevalet et à un arc-boutant, ce dernier prenant appui contre un heurtoir fixé au radier.

CONT

Initialement, les ingénieurs américains ont construit 52 barrages sur ... l'Ohio. Ils étaient équipés de hausses Chanoine (ou plutôt de hausses Pascaud, système très voisin dont le prototype a été réalisé en 1880 sur la Saône, près de son confluent avec le Rhône.

OBS

Aux USA, les hausses Chanoine munies de la glissière Pasqueau sont désignées sous le nom de hausses Chanoine [Chanoine wicket], que l'on trouvera seul dans la littérature américaine...

Spanish

Save record 93

Record 94 1992-12-10

English

Subject field(s)
  • Hand Tools
CONT

The center punch has a narrow cone-shaped point terminating in a sharp 90 degree conical tip.

French

Domaine(s)
  • Outillage à main
CONT

Le pointeau a une pointe conique étroite qui se termine par un bout conique formant un angle précis de 90 °.

Spanish

Save record 94

Record 95 1992-12-10

English

Subject field(s)
  • Hand Tools
CONT

The center punch has a narrow cone-shaped point terminating in a sharp 90 degree conical tip.

French

Domaine(s)
  • Outillage à main
CONT

Le pointeau a une pointe conique étroite qui se termine par un bout conique formant un angle précis de 90 °.

Spanish

Save record 95

Record 96 1989-12-18

English

Subject field(s)
  • Computer Graphics
  • Mathematics
CONT

We can think of centers-attractors-which compete for influence on the plane : an initial point is driven by the process to one center or another, or it is on the boundary and cannot decide. If the parameter is changed, the regions belonging to the attractors change, and with them the boundaries. It can happen that the boundary falls to dust, and this decay is one of the most important scenarios.

CONT

An exponent describes the algebraic decay of the ordinary radial correlation function.

CONT

Power law (algebraic) decay.

French

Domaine(s)
  • Infographie
  • Mathématiques
OBS

Le caractère dissipatif de ces équations tend à dégénérer. Des propriétés inertielles apparaissent alors, associées à l'émergence d'effets coopératifs de conservation de la métrique.

Spanish

Save record 96

Record 97 1989-07-23

English

Subject field(s)
  • Artificial Intelligence
  • Software
  • Mathematics
DEF

A modification of the creeping random search procedure, where, if the result of a random trial is closer to the maximum/minimum than that of the previous trial, the center of the search distribution is moved to the new point, and random trials are re-initiated. If no point closer than the present center is found in some number of trials, the search is terminated.

French

Domaine(s)
  • Intelligence artificielle
  • Logiciels
  • Mathématiques
OBS

Voir recalcul.

Spanish

Save record 97

Record 98 1989-05-29

English

Subject field(s)
  • Artificial Intelligence
  • Software
DEF

A modification of the random search which uses a nonuniform distribution from which the sample points are selected as the search continues. The initial point is chosen by making a guess, and a nonuniform probability density function is centered on this guess. The consequent samples are then chosen from this distribution, and a cluster of measurements is created. The best of this initial set of samples is then used as the center of a new set of measurements where the same kind of distribution but with a small variance is used to generate a cluster of points. This process is repeated until the search specifications are satisfied. Thus, the search "creeps" toward the maximum(or minimum).

French

Domaine(s)
  • Intelligence artificielle
  • Logiciels
OBS

Voir recherche aléatoire.

Spanish

Save record 98

Record 99 1988-02-03

English

Subject field(s)
  • General Mechanics (Physics)
  • Physics of Solids
OBS

center of mass : the point in a body, or in a system of bodies at which, for certain purposes, the entire mass may be assumed to be concentrated : for bodies near the earth, this coincides with center of gravity.

French

Domaine(s)
  • Mécanique générale (Physique)
  • Physique des solides

Spanish

Save record 99

Record 100 1986-12-05

English

Subject field(s)
  • Lathe Work (Machine-Tooling)
DEF

Angle between the face of a tool and a line parallel to the base of the shank or holder measured in a plane parallel to the center line of the point and at right angle to the base. The back rake can be positive, neutral or negative.

French

Domaine(s)
  • Tournage sur métaux
DEF

Angle entre l'arête et le plan de référence de l'outil. Cet angle peut avoir une valeur positive, nulle ou négative.

OBS

La définition et le syntagme "angle d'inclinaison arrière" ont été adoptés par le Comité interentreprises de la terminologie de l'usinage et des machines-outils.

Spanish

Save record 100

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