TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

COMPRESSION MOVEMENT [11 records]

Record 1 2017-12-08

English

Subject field(s)
  • Surgical Instruments
DEF

An obstetrical forceps having a sliding lock and little pelvic curve.

OBS

Kielland's forceps [were] originally designed to deliver the fetal head at or above the pelvic brim, lying in the transverse axis of the pelvis and rotating it when it had reached the pelvic cavity. The forceps is used today for rotation and extraction of the head which is arrested in the deep transverse or occipito-posterior position. The blades have very little pelvic curve and are virtually an axis traction forceps. A large episiotomy is needed. The shallowness of the curve allows safe rotation in the vagina. Downward traction encourages rotation of the head. The claw lock allows the blades to slide on each other and correct or encourage synclitism of the fetal head as required. The range of movement allowed by the lock makes it possible to apply lethal compression to the fetal head if the instrument is used improperly

CONT

If the fetus’s head needs to be rotated, there is now a tendency to use manual rotation, rotation with a vacuum extractor, or caesarean section in preference to Kielland’s rotational forceps. This change in practice arose in the 1980s after high rates of neonatal morbidity and mortality were associated with Kielland’s forceps ... Kielland’s forceps are only used for select cases and by experienced obstetricians.

OBS

In medical eponyms, the possessive form, such as "Kielland’s forceps" (Christian Kielland or Kjelland, Norwegian obstetrician) often disappears over the years. For that reason, the written forms "Kjelland forceps" and "Kielland forceps"are also found.

French

Domaine(s)
  • Instruments chirurgicaux
CONT

Kielland invente un pivot mobile à glissière qui permet de tenir compte de l'asynclitisme de la tête fœtale. [...] forceps de Kielland caractérisé par son articulation mobile.

Spanish

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Record 2 2014-11-25

English

Subject field(s)
  • Soil Mechanics (Engineering)
  • Foundation Engineering
CONT

Settlement is the downward movement of a structure due to compaction, elastic compression and/or consolidation of the underlying strata. The allowable settlement which a structure can tolerate without distress is dependent on both total and differential settlement...

French

Domaine(s)
  • Mécanique des sols
  • Technique des fondations
DEF

Valeur maximale du tassement d'un ouvrage telle qu'il n'en résulte ni déformation de la structure supérieure aux tolérances, ni désordre sensible dans le second œuvre et les organes d'équipement, ni incidence notable sur les ouvrages voisins. La notion de tassement admissible est étroitement liée à la nature de l'ouvrage, à sa fonction, et à la présence d'organes sensibles appartenant à l'ouvrage ou situés à sa proximité.

Spanish

Save record 2

Record 3 2011-07-13

English

Subject field(s)
  • Geomorphology and Geomorphogeny
CONT

Faults are distinguished on the basis of the movement of the footwall relative to the hanging wall. … A reverse fault is one in which the hanging wall moves up relative to the foot wall due to compression.

CONT

In a reverse fault, the inclination of the fault plane is such that one side rides up over the other and a crustal shortening occurs.

OBS

If a reverse fault has a dip angle of less than 45 degrees, it is called a "thrust fault."

OBS

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

French

Domaine(s)
  • Géomorphologie et géomorphogénie
CONT

Les failles inverses correspondent à des cisaillements en régime compressif. Dans une faille inverse, le toit s'élève relativement au mur. Une faille de ce type crée un raccourcissement horizontal.

OBS

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

Spanish

Campo(s) temático(s)
  • Geomorfología y geomorfogénesis
DEF

Falla en la que el bloque superior asciende sobre el inferior, y monta sobre él, o en la que el plano de falla buza hacia el labio levantado.

Save record 3

Record 4 2009-03-19

English

Subject field(s)
  • Tectonics
CONT

Compressional motion, which can [be] coined as compressional stress, is the squeezing type of motion. ... compressional stress is the stress component perpendicular to a given surface, such as a fault plane, that results from forces applied perpendicularly to the surface or from remote forces transmitted through a surrounding rock.

CONT

Compressional movement: one plate is pushing against another. Sometimes one slides under the other, i.e., when the ocean is weighing one down. Other times they crumble together.

French

Domaine(s)
  • Tectonique
CONT

Les failles inverses résultent d'un mouvement de compression entre les deux blocs.

OBS

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

Spanish

Save record 4

Record 5 2008-12-19

English

Subject field(s)
  • Radiography (Medicine)
CONT

With conventional tables, a compression cone is attached under the serial charger. When in use, all compression and other movements are applied manually by the radiologist... For remote controlled tables, the compression device is motor driven. The motor power is limited to avoid excessive compression. On movement of the serial charger or table top, the motor immediately retracts the compression cone.

French

Domaine(s)
  • Radiographie (Médecine)
DEF

Accessoire employé pour exercer une pression sur la surface du corps à irradier de façon à l'immobiliser ou le déprimer.

Spanish

Save record 5

Record 6 2006-10-04

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Video Technology
  • Computer Graphics
DEF

In multimedia, a single film or video frame presented as a single, unmoving image.

CONT

Video compression is measured by four basic criteria :compression ratio, picture quality, compression and decompression speeds, and the hardware and software resources required to achieve it. Use of compression with motion video is mandatory, but it also benefits still images, particularly in multimedia applications where the end-user should not be left waiting for things to happen on the screen. Processing of a single image in one second or less is generally acceptable for a still picture, but motion video requires at least 15 fps to produce the effect of smooth movement.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Vidéotechnique
  • Infographie
DEF

Image filmée (cinématographique) ou trame vidéo considérées comme unitaires et non animées.

CONT

Dans tous les systèmes d'analyse vidéo, le mouvement est décomposé en une série d'images fixes.

CONT

Le DVI (Digital Video Interactive) parvient [...] à un taux de compression de 1 à 160 pour l'image animée contre 1 à 25 pour l'image fixe.

Spanish

Save record 6

Record 7 2005-05-28

English

Subject field(s)
  • Tectonics
CONT

... Richard et al.(1979) proposed a basin brine model, relating migration of the ore fluid with nappe movement in the Caledonides. They suggested that compression by the overriding nappes was the main force driving ore fluids eastward.

French

Domaine(s)
  • Tectonique
CONT

[...] Richard et al. (1979) ont préconisé un modèle à saumure de bassin dans lequel la migration des fluides minéralisateurs est associée à des mouvements de nappes structurales dans les Calédonides. Ils supposent que la compression exercée par les nappes chevauchantes représente le principal agent ayant entraîné l'écoulement des fluides minéralisateurs vers l'est.

Spanish

Save record 7

Record 8 2003-02-12

English

Subject field(s)
  • Fixed Rescue Facilities (fire)
  • Pipes and Fittings
CONT

A pulley elbow is a device that contains a ball bearing sheave(pulley) which guides stainless steel cable 90 degrees around the sheave. It is defined as a device used to change direction for stainless steel wire cable, which is housed in conduit and is used to connect to a cable operated manual pull station, a mechanical gas valve, and/or the fusible link detection, from the Ansul AUTOMAN Regulated Release Mechanism. It is used because bending conduit results in too much friction loss in the movement of the cable in the conduit. There are two types of pulley elbows. Part No. 415670 has socket ends with set screws for ½ in. conduit, and Part No. 423250 has compression ring ends also for ½ in. conduit. [Source : Bill Klingenmaier, Ansul Incorporated, ansul. us. techsupport. preengineer@tycoint. com]

CONT

... fire-suppression system, ... To accommodate 90-degree turns in the cable, the appellant uses corner pulleys, which serve as fittings to the conduit while allowing for free movement of the cable. Corner pulleys are composed of high-temperature aluminum and employ a grooved wheel within which the cable runs. The wheel turns freely by use of steel ball bearings.

CONT

Three types of actuation are available for the INERGEN [total flooding] system: manual, pneumatic, and electric. ... The maximum number of corner pulley elbows is 10. ... Installation - Manual Actuation. Pulley elbow [is] required at each change of direction.

French

Domaine(s)
  • Installations fixes de secours (incendies)
  • Tuyauterie et raccords
CONT

Les poulies d'angle sont utilisées pour permettre de plier en équerre un câble installé entre les dispositifs de détection d'incendie et le robinet régulateur du débit du produit ignifuge. Les poulies sont constituées d'aluminium résistant aux températures élevées et comportent une roue à gorge sur laquelle est enroulé un câble.

CONT

Le système de base comprend un réservoir de poudre extinctrice et le mécanisme de déclenchement ANSUL AUTOMAN logés dans une armoire métallique. Les buses, détecteur(s) et lien(s) fusible(s), le té de réduction de la tuyauterie de poudre extinctrice et la (les) poulies(s) d'angle nécessaires pour compléter l'installation sont fournis séparément selon les quantités dictées par les exigences totales de protection.

Spanish

Save record 8

Record 9 1993-11-23

English

Subject field(s)
  • Pulp and Paper
CONT

Limitations to Pressing. Every press nip is limited in effectiveness either by how rapidly water can move out of the sheet or nip("flow-limited" case) or by the extent of possible sheet compression("pressure-limited" case). Generally, if the sheet readily loses its water and there is no impediment to water movement from the nip, or if the sheet has a low water content, a relatively high pressure can be applied to the web without reservation. Excessive pressure applied in a flow-limited situation is referred to as "sheet crushing". In its severest manifestation, sheet crushing causes disintegration of the sheet. More usually, the symptoms are localized washing out of fines, realignment of fibers, and washing out of fibers into the felt.

French

Domaine(s)
  • Pâtes et papier
OBS

Limitations imposées au pressage. Deux facteurs limitent le pressage : l'un est lié à la vitesse d'extraction de l'eau (limite au titre de l'écoulement), et l'autre est fonction du degré de compression possible de la feuille (limite au titre). Si on applique une pression excessive dans un cas où prévaut une limite au titre de l'écoulement, on écrase la feuille. Dans les cas les plus graves, la feuille écrasée se déchire. En général, il se produit simplement un lavage des éléments fins de la feuille, une réorientation des fibres et un entraînement des fibres dans le feutre.

Spanish

Save record 9

Record 10 1993-11-23

English

Subject field(s)
  • Pulp and Paper
CONT

Limitations to Pressing. Every press nip is limited in effectiveness either by how rapidly water can move out of the sheet or nip("flow-limited" case) or by the extent of possible sheet compression("pressure-limited" case). Generally, if the sheet readily loses its water and there is no impediment to water movement from the nip, or if the sheet has a low water content, a relatively high pressure can be applied to the web without reservation. Excessive pressure applied in a flow-limited situation is referred to as "sheet crushing".

French

Domaine(s)
  • Pâtes et papier
CONT

Limitations imposées au pressage. Deux facteurs limitent le pressage : l'un est lié à la vitesse d'extraction de l'eau (limite au titre de l'écoulement), et l'autre est fonction du degré de compression possible de la feuille (limite au titre de la compression). En général, plus la feuille perd facilement son eau (c.-à-d. plus la pâte est maigre) et plus la pression que l'on peut exercer sur le matelas est élevée. Si on applique une pression excessive dans un cas où prévaut une limite au titre de l'écoulement, on écrase la feuille. Dans les cas les plus graves, la feuille écrasée se déchire.

Spanish

Save record 10

Record 11 1993-11-23

English

Subject field(s)
  • Pulp and Paper
CONT

Limitations to Pressing. Every press nip is limited in effectiveness either by how rapidly water can move out of the sheet or nip("flow-limited" case) or by the extent of possible sheet compression("pressure-limited" case). Generally, if the sheet readily loses its water and there is no impediment to water movement from the nip, or if the sheet has a low water content, a relatively high pressure can be applied to the web without reservation. Excessive pressure applied in a flow-limited situation is referred to as "sheet crushing".

French

Domaine(s)
  • Pâtes et papier
CONT

Limitations imposées au pressage. Deux facteurs limitent le pressage : l'un est lié à la vitesse d'extraction de l'eau (limite au titre de l'écoulement), et l'autre est fonction du degré de compression possible de la feuille (limite au titre de la compression). En général, plus la feuille perd facilement son eau (c.-à-d. plus la pâte est maigre) et plus la pression que l'on peut exercer sur le matelas est élevée. Si on applique une pression excessive dans un cas où prévaut une limite au titre de l'écoulement, on écrase la feuille. Dans les cas les plus graves, la feuille écrasée se déchire.

Spanish

Save record 11

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