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DISTANCE PRINCIPLE [15 records]

Record 1 2017-04-13

English

Subject field(s)
  • Textile Industries
  • Synthetic Fabrics
  • Technical Textiles
CONT

Integrally woven sandwich materials : By using distance woven fabrics as preforms, integral core-skin sandwich structures can be made. In principle this provides two advantages compared with general sandwich structrures. First, a cost efficient production of sandwich panels can be done. Second, the integral nature of the sandwich preform provides delamination resistant sandwich panels.

French

Domaine(s)
  • Industries du textile
  • Textiles artificiels et synthétiques
  • Textiles techniques
OBS

Pluriel : des sandwichs; des sandwiches.

OBS

sandwichs (pl.) : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2006).

OBS

Sandwichs : Matériaux composés de deux semelles (ou peaux) de grande rigidité et de faible épaisseur enveloppant une âme (ou cœur) de forte épaisseur et faible résistance. L'ensemble forme une structure d'une grande légèreté. Le matériau sandwich possède une grande légèreté en flexion et c'est un excellent isolant thermique.

Spanish

Save record 1

Record 2 2015-04-08

English

Subject field(s)
  • Breadmaking
  • Pastries
CONT

The principle of the [slicing machine] is the same in all cases, a frame holding a large number of thin knife blades, separated by the distance of the required slice. These knife blades, oscillate at great speed while the loaf is being passed through it.... While slicers and wrappers may be purchased as two separate machines the largest machines combine the two operations.

French

Domaine(s)
  • Boulangerie
  • Pâtisserie
CONT

Tranchage. Diverses machines résolvent ce problème important pour divers pains de régime, pains d'épices ... Elles comportent des scies aiguisées, lisses ou à dents, de divers types. Mais un certain nombre de facteurs influent sur la qualité du tranchage, notamment : - l'état du pain lorsqu'il arrive à la trancheuse [...]

OBS

machine à trancher le pain : Cette expression est à éviter parce qu'elle est explicative.

Key term(s)
  • trancheuse de pain

Spanish

Save record 2

Record 3 2014-10-21

English

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

... altimeter which uses the barometric principle to measure vertical distance with respect to a specified pressure datum; the datum may be varied by changing the pressure reference. [Definition standardized by the British Standards Institution and by NATO. ]

CONT

We all fly with instruments. The altimeter measures height above a reference. ... The aneroid altimeter uses a small sealed capsule containing air. As the instrument goes up, the air pressure in the capsule increases and by the design of the capsule, it is allowed to expand in a certain direction. This expansion is coupled by mechanical linkages to a dial display. The dial can be adjusted by a knob to read say height above sea level (QNH) or height above the field (QFE). This altimeter is mechanical.

OBS

aneroid: Describing a device or system that does not contain or use liquid.

OBS

aneroid altimeter: term mostly found in aeronautics literature.

OBS

pneumatic altimeter (B-727).

OBS

barometric altimeter; pressure altimeter: terms standardized by the British Standards Institution and by NATO.

OBS

pressure altimeter; aneroid altimeter: terms officially approved by the International Civil Aviation Organization (ICAO).

Key term(s)
  • barometric altimetre
  • pressure altimetre
  • aneroid altimetre
  • pneumatic altimetre

French

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

[...] altimètre qui utilise le principe du baromètre pour mesurer la distance verticale le séparant d'un niveau de pression de référence donné; cette référence peut être modifiée en affichant une nouvelle pression. [Définition normalisée par l'OTAN.]

CONT

L'équipement normal de la plupart des aéronefs comprend un altimètre barométrique; il s'agit en fait d'une variante du baromètre anéroïde qui utilise la pression atmosphérique pour indiquer la hauteur à laquelle se trouve un aéronef par rapport au niveau moyen de la mer.

OBS

altimètre barométrique; altimètre pression : termes normalisés par l'OTAN.

OBS

altimètre barométrique; altimètre anéroïde : termes uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes et par l'Organisation de l'aviation civile internationale (OACI).

Spanish

Campo(s) temático(s)
  • Instrumentos y equipo de vuelo (Industria aeronáutica)
  • Pilotaje y navegación aérea
OBS

altímetro aneroide; barómetro altimétrico; altímetro barométrico: términos aceptados oficialmente por la Organización de Aviación Civil Internacional (OACI).

Save record 3

Record 4 2013-12-18

English

Subject field(s)
  • Optics
  • Atomic Physics
CONT

SNOM is the acronym for "scanning near-field optical microscopy, "an alternative name for NSOM(near-field scanning optical microscopy). The basic principle of such a kind of technique is quite simple : light passes through a sub-wavelength diameter aperture and illuminates a sample that is placed within its near field, at a distance much less than the wavelength of the light. The resolution achieved is far better than that which conventional optical microscopes can attain.

CONT

Microscopists are now in a position to transfer the refinements of the past 100-year techniques for enhancing contrast and highlighting specific features, such as polarization contrast, immunofluorescence and phase contrast to scanning near-field optical microscopy. With existing scanned-probe microscopes we can "see" the nanometer realm of molecules and microcircuits. As the same technology is applied to optical microscopy, we may eventually come to see that world in the familiar terms of light, shadow and color.

French

Domaine(s)
  • Optique
  • Physique atomique
CONT

Ces interactions se produisent à l'échelle moléculaire, c'est pourquoi il est très important d'analyser les propriétés physico-chimiques de la surface à l'échelle atomique et moléculaire. Pour ce faire nous utilisons dans notre groupe les techniques de microscopie à champ proche à balayage : microscopie à effet tunnel (STM), microscopie à force atomique ou effet de force (AFM-SFM), microscopie optique à champ proche à balayage (SNOM).

CONT

L'équipe [...] a réussi à visualiser ce phénomène biologique en recourant à la microscopie optique à balayage à champ proche (NSOM). Cette technologie d'imagerie éclaire la cellule en canalisant la lumière dans une sonde à fibre optique plus petite qu'un micron. La minuscule ouverture de la sonde (guère plus de 50 nanomètres de diamètre) interdit la diffraction des rayons lumineux qui réduit normalement la résolution en microscopie classique.

Spanish

Campo(s) temático(s)
  • Óptica
  • Física atómica
CONT

El grupo de investigación [...] ha desarrollado un nuevo método de fabricación de nanoagujas localizadas en el interior de muestras de distintos materiales, que presentan un amplio rango de aplicaciones, como la la preparación de muestras para análisis por microscopía electrónica de transmisión (TEM) y transmisión-barrido (STEM), para técnicas de microscopía óptica de barrido de campo cercano, tomografía electrónica y microscopía de sonda atómica.

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Record 5 2012-02-15

English

Subject field(s)
  • Telecommunications
DEF

The utilization of the inactivity periods that always exist in both transmission directions of a telephone conversation. The interpolation is used in order to increase the efficiency and lower the cost of long distance links. Analog signals with quiescent periods or long vowels are compressed, for example by time assignment speech interpolation, transmitted, and expanded by inverse compression(expansion) at the receiving end. This principle... is now being developed for digital speech [and] when pulse code modulation is used, the process is known as digital speech interpolation.

French

Domaine(s)
  • Télécommunications

Spanish

Save record 5

Record 6 2004-06-23

English

Subject field(s)
  • Navigation Instruments
  • Spacecraft
CONT

Satellite navigation.... which has been developed over the last thirty years or so, essentially for military purposes originally, enables anyone with a receiver capable of picking up signals emitted by a constellation of satellites to instantly determine their position in time and space very accurately. The operating principle is simple : the satellites in the constellation are fitted with an atomic clock measuring time very accurately. The satellites emit personalised signals indicating the precise time the signal leaves the satellite. The ground receiver, incorporated for example into a mobile phone, has in its memory the precise details of the orbits of all the satellites in the constellation. By reading the incoming signal, it can thus recognise the particular satellite, determine the time taken by the signal to arrive and calculate the distance from the satellite. Once the ground receiver receives the signals from at least four satellites simultaneously, it can calculate the exact position.

French

Domaine(s)
  • Instruments de navigation
  • Engins spatiaux
CONT

La navigation par satellite est une technologie clé qui permet à une personne d'indiquer précisément sa position géographique sur terre, sur mer et dans les airs. Elle offre de nombreux avantages dans une multitude de domaines comme le transport (plus grande sécurité, réduction de la congestion et des dommages à l'environnement, etc.), la médecine (traitement de patients à distance, etc.) et l'agriculture (ajustement des doses de grains selon le relief, etc.).

OBS

navigation par satellite : terme uniformisé par le Comité de normalisation de la terminologie navale (1994), et adopté par la Commission française des techniques aérospatiales (1998).

Spanish

Save record 6

Record 7 2003-07-24

English

Subject field(s)
  • Cooling and Ventilating Systems
  • Occupational Health and Safety
CONT

Receiving hoods are positioned to catch contaminants that are discharged from an operation in a predictable direction. Examples of receiving hoods include canopies located over a hot process in which hot exhaust fumes rise to the hood level by their own buoyancy, and hoods located adjacent to grinding wheels to catch the stream of dust generated by the spinning wheel. Receiving hoods may physically resemble capture hoods, but they differ with respect to the principle used for contaminant capture. Capture hoods operate at a higher flow rate to generate the air velocities necessary to capture contaminants from a source some distance from the hood opening. Receiving hoods, on the other hand, are positioned to catch the stream of contaminants delivered to them by forces intrinsic to the operation.

OBS

Hood designs can be placed into three broad categories based on the methods used to capture contaminants: exterior hoods, receiving hoods, and exhaust enclosures.

French

Domaine(s)
  • Systèmes de refroidissement et de ventilation
  • Santé et sécurité au travail

Spanish

Save record 7

Record 8 2002-10-23

English

Subject field(s)
  • Magnetism and Electromagnetism
  • Induction (Magnetism)
  • Telecommunications
  • Electrical Circuits and Circuit Breakers
DEF

When AC is applied to a coil, a varying magnetic field will be produced around it. When another coil is placed within that magnetic field, it will induce a current flowing in that coil. This principle is called MUTUAL INDUCTANCE The amount of mutual inductance between the two coils depends on the distance between the two coils, and the angle between the two coils. When two coils are linked together via mutual inductance in this manner, we say that the coils are inductively COUPLED. When the mutually inductive coils are close to each other, we say that they are closely, or tightly coupled. When they are far apart, we say that they are loosely coupled. The greatest amount of coupling occurs when the coils are wound one directly over the other and on a closed iron core. The quantity of coupling between two coils is sometimes referred to as the Coefficient of Coupling.

French

Domaine(s)
  • Magnétisme et électromagnétisme
  • Induction (Magnétisme)
  • Télécommunications
  • Circuits électriques et coupe-circuits
DEF

Quotient du flux d'induction magnétique, que le courant d'un circuit détermine dans un autre circuit, par l'intensité du courant dans le premier circuit.

Spanish

Campo(s) temático(s)
  • Magnetismo y electromagnetismo
  • Inducción (Magnetismo)
  • Telecomunicaciones
  • Circuitos eléctricos e interruptores automáticos
Save record 8

Record 9 1999-10-29

English

Subject field(s)
  • Law of the Sea
  • Phraseology

French

Domaine(s)
  • Droit de la mer
  • Phraséologie

Spanish

Save record 9

Record 10 1999-07-19

English

Subject field(s)
  • General Vocabulary

French

Domaine(s)
  • Vocabulaire général

Spanish

Save record 10

Record 11 1998-06-15

English

Subject field(s)
  • Security Devices
CONT

A sonic motion detector emits a high frequency sound signal that can not be heard by the human ear. The signal is reflected from the moving object back to the detector, and the length of time it takes for the signal to return indicates the distance of the object from the detector at a time "t. "This is similar in principle to that of a radar speed detector, except that the type of signal emitted differs.

French

Domaine(s)
  • Dispositifs de sécurité

Spanish

Save record 11

Record 12 1994-04-01

English

Subject field(s)
  • Surveying Instruments
DEF

... level that at the touch of a button can determine the exact height and distance of the target point. The measuring principle is based on digital image processing for maximum economy and outstanding reliability.

French

Domaine(s)
  • Instruments d'arpentage
DEF

[...] niveau pouvant déterminer l'altitude exacte et la distance à la mire par une seule pression de touche. Le principe de mesure, basé sur le traitement d'image par voie numérique, offre à l'utilisateur grande sécurité et gain de temps.

Spanish

Save record 12

Record 13 1991-12-20

English

Subject field(s)
  • Building Ventilation
  • Cooling and Ventilating Systems
  • Occupational Health and Safety
CONT

Hood designs can be placed into three broad categories based on the methods used to capture contaminants: exterior hoods, receiving hoods, and exhaust enclosures.

CONT

Receiving hoods are positioned to catch contaminants that are discharged from an operation in a predictable direction. Examples of receiving hoods include canopies located over a hot process in which hot exhaust fumes rise to the hood level by their own buoyancy, and hoods located adjacent to grinding wheels to catch the stream of dust generated by the spinning wheel.

CONT

Receiving hoods are designed to exhaust air at the same rate as the airflow created by the process by which the contaminants are generated. If the receiving hood is not sized properly, problems such as overloading and spillage will result.

OBS

Receiving hoods may physically resemble capture hoods, but they differ with respect to the principle used for contaminant capture. Capture hoods operate at a higher flow rate to generate the air velocities necessary to capture contaminants from a source some distance from the hood opening. Receiving hoods, on the other hand, are positioned to catch the stream of contaminants delivered to them by forces intrinsic to the operation.

French

Domaine(s)
  • Ventilation (Construction)
  • Systèmes de refroidissement et de ventilation
  • Santé et sécurité au travail
OBS

Sous toutes réserves.

Spanish

Save record 13

Record 14 1991-05-13

English

Subject field(s)
  • Small Arms
DEF

Principle of operation of some automatic weapons, whereby the recoil energy imparted to the barrel is used to actuate the mechanism and perform the necessary cycle of operation. Two systems of recoil operation have been in use, as follows : a. Short recoil operation. The breechblock remains locked to the barrel only while the chamber pressure is high. This involves a barrel travel of only about 1/2 inch. The device locking the breechblock to the barrel is then released and the two components separate. The barrel may remain stationary and await the return of the breechblock, but in most modern designs the barrel has its own spring and goes forward into battery, e. g.. 50 calibre heavy machine-gun. b. Long recoil operation. The barrel and locked breech recoil a greater distance than the length of the cartridge. The breechblock is then held to the rear while the barrel is driven forward by its own spring. When the barrel is fully forward, it trips the catch releasing the breechblock, which then feeds the next cartridge into the chamber. Mainly encountered in semi-automatic shotguns. See also "Systems of operation-Automatic weapons".

OBS

Term and definition officialized by the Small Arms Terminology Working Group.

French

Domaine(s)
  • Armes légères
DEF

Principe de fonctionnement de certaines armes automatiques, selon lequel la force de recul transmise au canon sert à actionner le mécanisme et à exécuter le cycle requis de fonctionnement. Les deux systèmes suivants de fonctionnement par recul sont utilisés: a. Fonctionnement par court recul. La culasse ne reste verrouillée au canon que pendant la période de haute pression de la chambre. La course requise du canon à cet effet n'est que de 1/2 pouce environ. Le dispositif de verrouillage de la culasse et du canon se dégage alors et les deux éléments se séparent. Le canon peut rester en place et attendre le retour de la culasse, mais dans la plupart des modèles modernes, le canon est pourvu de son propre ressort et retourne en batterie vers l'avant, e.g. la mitrailleuse lourde de calibre .50. b. Fonctionnement par long recul. La culasse et le canon verrouillés reculent d'une longueur supérieure à celle d'une cartouche. La culasse est alors retenue vers l'arrière pendant que le canon retourne à l'avant par son propre ressort. A son arrivée à la position avant, le canon actionne un déclencheur, libérant la culasse qui, à son tour alimente la cartouche suivante dans la chambre. Ce système est surtout utilisé dans les fusils de chasse semi-automatiques. Voir aussi "principes de fonctionnement - Armes automatiques".

OBS

Terme et définition uniformisés par le Groupe de travail de terminologie des armes légères.

Spanish

Save record 14

Record 15 1989-01-15

English

Subject field(s)
  • Types of Motor Vehicles and Bicycles
  • History of Technology
DEF

A Chinese carriage equipped with a direction-keeping device and dating back to 200-300 A.D., possibly earlier.

CONT

South Pointing Carriage is the earliest known example of a land vehicle navigation system.... historical research has only recently established that [it] had nothing to do with magnetism, [but] was based on the principle(now called "the differential odometer") that for a given change in vehicle heading, a vehicle's outer wheels travel a mathematically predictable distance farther than the inner wheels. When changing heading, a gear train driven by an... outer wheel automatically engaged and rotated a horizontal turntable to exactly offset the change in heading... a figure with an outstretched arm mounted on the turntable always pointed in the original direction....

French

Domaine(s)
  • Sortes de véhicules automobiles et de bicyclettes
  • Histoire des techniques

Spanish

Save record 15

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