TERMIUM Plus®

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

TOP IT OFF [28 records]

Record 1 2025-03-06

English

Subject field(s)
  • Maple-Sugar Industry
  • Maple Syrup Production
CONT

Sometimes there will be a little scum on the top of your boiling sap. White or grey floating matter is usually bacteria that was killed in the boil. It and all other scum can be skimmed off the top.

French

Domaine(s)
  • Industrie de l'érable
  • Acériculture
DEF

Mousse blanchâtre qui se forme à la surface de la sève ou du sirop d'érable en ébullition.

Spanish

Save record 1

Record 2 2024-09-23

English

Subject field(s)
  • String Instruments
CONT

In the gourd bow the bow is attached to a gourd which acts as a resonator. The top of the gourd is cut off and the opening is pressed against the chest or abdomen of the player... The gourd can resonate only the open string of the bow to which it has been cut, and when any other tone is played the gourd must be lifted away from the player's body so that its resonance will not interfere with the tone.

Key term(s)
  • gourd-bow

French

Domaine(s)
  • Instruments de musique à cordes
CONT

L'arc musical se compose d'une tige flexible dont la longueur varie entre 0,5 et 3 mètres environ; une corde, tendue entre les deux extrémités de cette tige, est pincée ou frappée par l'instrumentiste pour produire une note fondamentale de faible intensité. L'instrumentiste peut obtenir d'autres notes en pressant la corde entre un doigt et le pouce, en touchant légèrement la corde pour produire de faibles harmoniques, en attachant la corde à la tige pour former deux segments tendus, ou, sur un arc en bouche – dans lequel la corde passe entre les lèvres de l'exécutant –, en utilisant la bouche comme résonateur de volume variable afin d'isoler certains harmoniques. Sur l'arc à calebasse, c'est une calebasse tronquée attachée à la tige qui fait office de résonateur.

Spanish

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Record 3 2023-03-22

English

Subject field(s)
  • Physical Fitness Training and Bodybuilding
DEF

A bodybuilding exercise performed by completing the following movements : lying on your left side, bend your right(top) leg so that your right foot ends up in front of your left knee. Raise your left leg as high as possible off the floor, then return it to its original position. Do a full set on one side, then repeat with the opposite side.

OBS

This exercise targets the hip adductors.

French

Domaine(s)
  • Conditionnement physique et culturisme
DEF

Exercice de musculation qui s'exécute en effectuant les mouvements suivants : couché sur le côté gauche, repliez votre jambe droite (celle du dessus) de manière à ce que votre pied droit se retrouve devant votre genou gauche. Levez votre jambe gauche le plus haut possible, puis retournez-la au sol. Faites une série complète d'un côté, puis recommencez avec l'autre côté.

OBS

Cet exercice sollicite les muscles adducteurs des hanches.

OBS

«Adduction de la hanche, couché» : Puisque l'une des traductions les plus répandues de «lying abduction» est «abduction de la hanche, couché», il serait logique de retrouver «adduction de la hanche, couché» comme équivalent du terme «lying adduction». Malheureusement, nous n'avons trouvé aucune occurrence de ce terme, nous n'avons trouvé que le terme «abduction de la hanche, couché», à partir duquel nous avons donc créé «adduction de la hanche, couché».

Spanish

Save record 3

Record 4 2020-09-18

English

Subject field(s)
  • Equipment and Tools (Water Supply)
  • Wastewater Treatment
  • Water Treatment (Water Supply)
CONT

... the most common method for primary [wastewater] treatment is the primary sedimentation tank(also called the primary settling basin)... It is a vessel in which solids settle out of water by gravity. The settleable solids are pumped away(as sludge), while oils float to the top and are skimmed off.

French

Domaine(s)
  • Équipement et outillage (Alimentation en eau)
  • Traitement des eaux usées
  • Traitement des eaux
CONT

L'épaississement par gravité se déroule dans un décanteur dont le design est assez proche d'un bassin de sédimentation conventionnel : un bassin circulaire où la boue va sédimenter et se compacter. Les boues épaissies sont récupérées par le fond conique, tandis que le surnageant est envoyé selon la solution choisie vers le bassin de sédimentation primaire, le début du procédé de traitement total des effluents, ou vers une autre utilisation.

Spanish

Save record 4

Record 5 2016-02-29

English

Subject field(s)
  • Restaurant Menus
OBS

(...) it is impossible to translate the culinary term poêler literally. To poêler, meat or poultry is placed in a good fitting pan or fireproof casserole on sliced pot herbs, seasoned, melted butter poured on top and roasted in oven with the cover on. Shortly before meat is done, cover is taken off to allow the top side to get brown. Moderate temperature is essential for pan roasting. As soon as the meat is browned, it is taken out of the pan, the fat is poured off and the residue deglaced with wine, stock, gravy or sauce and used for making the sauce.

OBS

pan-roasting.

French

Domaine(s)
  • Menus (Restauration)
DEF

Cuire dans une casserole fermée, avec un corps gras.

Spanish

Save record 5

Record 6 2013-07-19

English

Subject field(s)
  • Scientific Instruments
  • Cytology
DEF

A device in which the deflection of a sharp stylus mounted on a soft spring is monitored as the stylus is moved across a surface.

OBS

Unlike the STM, the AFM [Atomic Force Microscope] can scan nonconducting samples. It can do this because it uses optical technology, direct contact, and a laser, to sense the position of the tip in relation to the sample. The tip is very sharp and protrudes from a small flexible cantilever. The laser reflects off the top side of the tip and is directed to a split photodiode. The height of the surface of the sample deflects the cantilever causing the position of the laser on the photodiode to change. The difference in voltage from the photodiode elements provide a "picture" of the surface.

French

Domaine(s)
  • Instruments scientifiques
  • Cytologie
DEF

Microscope où une pointe très fine se déplaçant à la surface de l'échantillon étudié, enregistre, grâce à un dispositif d'asservissement, la force d'interaction de Van der Waals entre la pointe sondeuse et la surface de l'échantillon.

OBS

Le microscope à force atomique est un microscope à palpeur, c'est-à-dire que la sonde est en interaction mécanique (attractive ou répulsive) avec la surface à caractériser.

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
  • Citología
DEF

Microscopio de proximidad basado en la detección de la fuerza que actúa entre la punta del microscopio y una [superficie] metálica o aislante [...] monitorea la superficie de la muestra con una punta de radio de curvatura de 20 a 60 nm [nanómetros] que se localiza al final de un cantilever.

CONT

El microscopio de fuerzas atómicas […] fue inventado en el año 1986 por G. Binning, C. Quate y Ch. Gerber como un instrumento capaz de obtener con gran resolución imágenes de la topografía de una superficie.

Save record 6

Record 7 2011-12-12

English

Subject field(s)
  • Hand Tools
  • Wood Sawing
CONT

Pit sawing operations have a long and vibrant history. Well before circular saws were used to saw logs lengthwise, they were processed by placing them over a "pit"-hence the reference to "pit saw. "The saw operates vertically up and down. Operated by two men, a man on top, known as the "Top Dog", guided the saw as it was pulled down in a cutting motion by the "Underdog. "The "Top dog" recovered the saw and the "Underdog" then pulled it down in a cutting motion again. Needless to say the "Underdog" copped a fair bit of sawdust. The top of the saw has a fixed "tiller handle" so the topdog can guide it and cut a straight line. The lower part of the saw has a "block" which is easily detachable with a wedge. The block can be taken off to allow the saw to be threaded through the saw cut.

French

Domaine(s)
  • Outillage à main
  • Sciage du bois
CONT

La scie de long [...] se compose d'un cadre de bois rectangulaire, formé de deux montants, deux bras, et de deux traverses, l'une haute, l'autre basse. [...] Chaque traverse porte une poignée; celle du haut, appelée chevrette, est dans le plan de la monture, alors que celle du bas, le renard, lui est perpendiculaire. La scie est maniée verticalement, par deux [...] hommes.

Spanish

Save record 7

Record 8 2011-09-01

English

Subject field(s)
  • Anti-pollution Measures
  • Water Pollution
  • Wastewater Treatment
CONT

Air stripping is a technology in which volatile organic compounds(VOCs) are transferred from extracted water to air. Typically, air stripping takes place in a packed tower(known as an air stripper) or an aeration tank. The air stripper includes a spray nozzle at the top of the tower. It sprays groundwater that has been pumped to the surface over the packing in the column. As the water descends, air is forced up through the column, stripping off the volatile compounds.... Air strippers transfer contaminants from one medium to another. There is no destruction of the contaminant. Consequently, the risks of emitting pollutants into the air must be carefully evaluated. Often, the air stream(or off-gas) is treated before it is emitted to the atmosphere.

French

Domaine(s)
  • Mesures antipollution
  • Pollution de l'eau
  • Traitement des eaux usées
CONT

Le strippage à l'air consiste à extraire l'eau souterraine et à l'écouler goutte à goutte dans un appareil qui volatilise les contaminants au moyen d'un jet d'air circulant à contresens de l'eau. Les méthodes d'aération possibles comprennent les tours à garnissage, l'aération par diffusion d'air, l'aération à plateaux et l'aération par pulvérisation.

Spanish

Save record 8

Record 9 2009-01-14

English

Subject field(s)
  • Hand Tools
  • Wood Sawing
CONT

Pit sawing operations have a long and vibrant history. Well before circular saws were used to saw logs lengthwise, they were processed by placing them over a "pit"-hence the reference to "pit saw. "The saw operates vertically up and down. Operated by two men, a man on top, known as the "Top Dog", guided the saw as it was pulled down in a cutting motion by the "Underdog". The "Top dog" recovered the saw and the "Underdog" then pulled it down in a cutting motion again. Needless to say the "Underdog" copped a fair bit of sawdust. The top of the saw has a fixed "tiller handle" so the topdog can guide it and cut a straight line. The lower part of the saw has a "block" which is easily detachable with a wedge. The block can be taken off to allow the saw to be threaded through the saw cut.

French

Domaine(s)
  • Outillage à main
  • Sciage du bois
CONT

Le chevrier grimpait à pieds déchaux sur le tronc. Contre le froid, contre les échardes et pour conserver le plus d'adhérence, il avait enfilé des chaussettes à la semelle renforcée d'une toile de chanvre. Au sol, le renard lui faisait face, jambes écartées. Il était couvert d'un chapeau à larges bords ou tout simplement d'un vieux sac de toile, pour éviter de recevoir trop de sciure dans les yeux. La grande scie de long était formée d'un cadre en bois d'environ 1,50 m de long sur 1 m de large, munie d'une poignée aux deux transversales, et d'une lame fixée en son milieu, raidie par un tendeur ou des coins. Les dents de la lame étaient crochues, elles ne mordaient le bois qu'en descendant. C'était donc le renard qui sciait; le chevrier remontait la scie, en l'écartant légèrement de l'entaille et la guidait en fixant son regard sur le trait de scie. Il progressait en reculant. Le travail était équitablement réparti entre compagnons, chaque poste avait ses avantages et surtout ses inconvénients.

Spanish

Save record 9

Record 10 2009-01-14

English

Subject field(s)
  • Hand Tools
  • Wood Sawing
CONT

Pit sawing operations have a long and vibrant history. Well before circular saws were used to saw logs lengthwise, they were processed by placing them over a "pit"-hence the reference to "pit saw. "The saw operates vertically up and down. Operated by two men, a man on top, known as the "Top Dog", guided the saw as it was pulled down in a cutting motion by the "Underdog". The "Top dog" recovered the saw and the "Underdog" then pulled it down in a cutting motion again. Needless to say the "Underdog" copped a fair bit of sawdust. The top of the saw has a fixed "tiller handle" so the topdog can guide it and cut a straight line. The lower part of the saw has a "block" which is easily detachable with a wedge. The block can be taken off to allow the saw to be threaded through the saw cut.

French

Domaine(s)
  • Outillage à main
  • Sciage du bois
CONT

Le chevrier grimpait à pieds déchaux sur le tronc. Contre le froid, contre les échardes et pour conserver le plus d'adhérence, il avait enfilé des chaussettes à la semelle renforcée d'une toile de chanvre. Au sol, le renard lui faisait face, jambes écartées. Il était couvert d'un chapeau à larges bords ou tout simplement d'un vieux sac de toile, pour éviter de recevoir trop de sciure dans les yeux. La grande scie de long était formée d'un cadre en bois d'environ 1,50 m de long sur 1 m de large, munie d'une poignée aux deux transversales, et d'une lame fixée en son milieu, raidie par un tendeur ou des coins. Les dents de la lame étaient crochues, elles ne mordaient le bois qu'en descendant. C'était donc le renard qui sciait; le chevrier remontait la scie, en l'écartant légèrement de l'entaille et la guidait en fixant son regard sur le trait de scie. Il progressait en reculant. Le travail était équitablement réparti entre compagnons, chaque poste avait ses avantages et surtout ses inconvénients.

Spanish

Save record 10

Record 11 2009-01-14

English

Subject field(s)
  • Hand Tools
  • Wood Sawing
OBS

Pit sawing operations have a long and vibrant history. Well before circular saws were used to saw logs lengthwise, they were processed by placing them over a "pit"-hence the reference to "pit saw. "The saw operates vertically up and down. Operated by two men, a man on top, known as the "Top Dog", guided the saw as it was pulled down in a cutting motion by the "Underdog". The "Top dog" recovered the saw and the "Underdog" then pulled it down in a cutting motion again. Needless to say the "Underdog" copped a fair bit of sawdust. The top of the saw has a fixed "tiller handle" so the topdog can guide it and cut a straight line. The lower part of the saw has a "block" which is easily detachable with a wedge. The block can be taken off to allow the saw to be threaded through the saw cut.

French

Domaine(s)
  • Outillage à main
  • Sciage du bois
CONT

La scie de long [...] se compose d'un cadre de bois rectangulaire, formé de deux montants, deux bras, et de deux traverses, l'une haute, l'autre basse. [...] Chaque traverse porte une poignée; celle du haut, appelée chevrette, est dans le plan de la monture, alors que celle du bas, le renard, lui est perpendiculaire. La scie est maniée verticalement, par deux [...] hommes.

Spanish

Save record 11

Record 12 2005-08-25

English

Subject field(s)
  • Facilities and Equipment (Wood Industries)
  • Wood Sawing
CONT

The knee-bolter was a steel topped table on a track, with a wide slot in the front to admit the knee-bolter saw. The top of the table was level with the deck so the operator stood in a hole... The saw was vertical and was sixty inches in diameter, ran at 600 RPM and had sixty large, mean-looking, inserted teeth. The table had an arm that stuck out to fit between the operator's legs, hence the name "knee bolter. "The operator would wrestle the block onto the table, and, with his legs, push table and block into the saw, rotating the block so as to peel off the bark. If there was a large knot in the block, he would saw directly through it, so the knot would be the part of the block that would necessarily be wasted in the final cutting of the shingles.

Key term(s)
  • knee bolter

French

Domaine(s)
  • Installations et équipement (Industr. du bois)
  • Sciage du bois
OBS

On écrirait mieux «charriot».

OBS

charriot : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).

Spanish

Save record 12

Record 13 2004-05-17

English

Subject field(s)
  • Oil Production
CONT

Dr. Karl Clark, a scientist working for the Alberta Research Council, developed and patented the hot water extraction technique... Oil sand is mixed with hot water creating a slurry. Early methods used large tumbler drums to condition the slurry. Today, hydrotransport pipelines are used to condition and transport the oil sand from the mine to the extraction plant. The slurry is fed into a separation vessel where it separates into three layers-sand, water and bitumen. The bitumen is then skimmed off the top to be cleaned and processed further. Secondary recoveries are made with the middlings zone of the separation vessels to return the smaller quantities of bitumen that would otherwise flow to the settling ponds. Ph levels and temperature are key variables in the process.

French

Domaine(s)
  • Production pétrolière
OBS

La plupart des matières minérales sont recouvertes d'une mince pellicule d'eau, ce qui rend possible l'extraction par le procédé à l'eau chaude. Les sables bitumineux sont placés dans d'énormes tambours rotatifs et mélangés avec de l'eau chaude et de la vapeur. Les particules de bitume se séparent des grains de sable et s'accrochent à de minuscules bulles d'air. La boue ainsi préparée est tamisée, puis déposée dans de gros contenants coniques de séparation dans lesquels le bitume aéré est récolté sous forme de mousse [...]. Le gros sable se dépose au fond pour être ensuite pompé vers une décharge. Quelques très petites particules de bitume et de minéraux, appelées mixtes, demeurent dans une couche d'eau intermédiaire qui est retirée et pompée vers des cellules de flottation secondaires.

Spanish

Save record 13

Record 14 2003-09-30

English

Subject field(s)
  • Sports Equipment Manufacture
  • Travel Articles (Tourism)
CONT

Internal frames are usually parallel aluminium staves in channels on the back of the pack. These are thinner and more flexible than frame staves found on external frames, and are usually either independent or only attached to one another at the top, so they flex and move with the wearer far more than is generally the case with external frames. This leads to greater freedom of movement, and also means that the pack body is closer in to the wearer's back, enabling the centre of mass to be held closer to the wearer's own. This isn’t as comfortable standing around as a high load, but it's a lot easier to balance it, especially off the trail in rougher stuff.

French

Domaine(s)
  • Fabrication des équipements sportifs
  • Articles de voyage (Tourisme)
CONT

Le meilleur type de sac de voyage est un sac à dos de format moyen à armature interne avec sac à dos d'une journée amovible.

Spanish

Save record 14

Record 15 2002-11-20

English

Subject field(s)
  • Scientific Instruments
  • Plant Biology
  • Scientific Research Equipment
DEF

Instrument ... used to measure water potential of plant leaves.

CONT

Simply put, the pressure chamber ... is just a device for applying air pressure to a leaf (or small shoot), where most of the leaf is inside the chamber but a small part of the leaf stem (the petiole) is exposed to the outside of the chamber through a seal. The amount of pressure that it takes to cause water to appear at the petiole tells you how much tension the leaf is experiencing on its water: a high value of pressure means a high value of tension and a high degree of water stress. The units of pressure most commonly used are the Bar (1 Bar = 14.5 pounds per square inch) and the megapascal (1 MPa = 10 bars).

CONT

How is water potential measured?...-Pressure bomb(pressure chamber) : measures [psi subscript w] of whole leaves, stems :-when a stem or leaf is cut off of a plant, the sap is sucked back into the xylem, since it is under tension;-the tissue is sealed inside a steel chamber, with the cut end protruding;-pressure is applied(using compressed nitrogen) until the sap is pushed back up to the top; this amount of pressure is equal but opposite to the [Psi subscript w] of the tissue.

OBS

There are different types of pressure chambers, some using a tank of high pressure gas, some using a hand-pump, but all work on the same basic principle and in most cases the operation and use of the different types of pressure chambers is identical.

French

Domaine(s)
  • Instruments scientifiques
  • Biologie végétale
  • Matériel et équipement (Recherche scientifique)
DEF

[Instrument de] mesure de l'état hydrique [...]

Spanish

Save record 15

Record 16 2002-08-14

English

Subject field(s)
  • Lacrosse
DEF

[To pick] the ball off the ground by driving the stick under the ball.

CONT

In order to pick the ball off the ground, the player grasps the stick firmly in both hands, bends his body forward, and at the same time bends his knees. Now holding the stick nearly parallel to the ground, he shoves the top of it under the ball and scoops the ball up with a shovel-like motion.

French

Domaine(s)
  • Crosse
DEF

[Ramasser] la balle [en activant] la tête du bâton sous la balle.

CONT

En défensive, les joueurs doivent avoir les deux (2) mains sur le bâton en tout temps sauf pour récupérer une balle libre au sol ou pour intercepter une passe au sol.

Spanish

Save record 16

Record 17 2002-08-14

English

Subject field(s)
  • Lacrosse
CONT

To do this, he puts the back of his stick on top of the ball and applying pressure draws it quickly backward. As the head of the stick comes off the top of the ball, the stick drops to the ground, and the ball continues rolling into the stick. The stick is then picked up.

French

Domaine(s)
  • Crosse
CONT

Lorsque la balle est immobile au sol, on peut la récupérer [...] à la cuillère (en imprimant un mouvement de recul à la balle, par une pression de la lèvre du panier sur celle-ci).

Spanish

Save record 17

Record 18 2002-06-10

English

Subject field(s)
  • General Scientific and Technical Vocabulary
CONT

In order to study the ozone layer, it is important to get instruments into this level of atmosphere. One method of doing this is to place the instruments in a rocket that lifts the instruments to the top of the ozone layer(48, 000 m) and lets them parachute back down to earth.... There are two important stages to consider in the rocket's ascent. The rocket will speed up while its engine is firing, and then slow down after the engine has shut off.

CONT

The future scientists and engineers will seek to measure radiation levels, audio frequencies, and light waves during the rocket ascent and descent.

French

Domaine(s)
  • Vocabulaire technique et scientifique général
CONT

S. Petat a étudié plusieurs intégrateurs numériques d'équations algébrico-différentielles, et a plus spécialement travaillé sur l'intégration numérique de l'arc singulier dans le problème de Goddard (ascension optimale d'une fusée).

CONT

Ascension de la fusée Saturn V et séparation des étages [...]

OBS

ascension : Action de s'élever dans les airs. L'ascension d'un aérostat, d'un ballon, d'un avion.

Spanish

Save record 18

Record 19 2001-07-23

English

Subject field(s)
  • Industrial Tools and Equipment
  • Industrial Techniques and Processes
  • Milling and Cereal Industries
CONT

The general practice in Canada is to use only one cleaning passage for the blend. The first cleaning machine is a milling separator, similar to the receiving separator used in the elevator, but more precise in its ability to separate impurities that are larger and smaller than wheat. The top sieve has large perforations about six millimetres in diameter and the bottom sieve has holes two millimetres in diameter. As the grain passes through the machine, large impurities such as corn, soybeans and unthreshed wheat are removed by the top screen, while the finer bottom sieve allows small impurities such as mustard seed, buckwheat and sand to pass through for separate collection. The partially cleaned wheat tails over the finer sieve. As it falls off the end of the sieve, it is aspirated by air currents that remove chaff and dust to a separate outlet.

French

Domaine(s)
  • Outillage industriel
  • Techniques industrielles
  • Minoterie et céréales
CONT

La pratique générale au Canada est de n'effectuer qu'un seul passage du mélange préparé au nettoyage. La première machine à nettoyer est un séparateur de mouture semblable au séparateur de réception utilisé au silo, mais d'une plus grande précision dans la séparation des impuretés plus grosses ou plus petites que le blé. Le tamis supérieur a de grandes perforations d'environ 6 mm de diamètre, et celui du bas des trous de 2mm. A mesure que le grain passe dans la machine, les grosses impuretés comme le maïs, le soja et le blé non battu sont refusés par le tamis du haut, tandis que celui du bas laisse passer les petites impuretés comme les graines de moutarde et de sarrazin et le sable qui sont recueillis. Le blé partiellement nettoyé est refusé en queue du tamis fin où il est aspiré par des courants d'air qui en séparent la balle et la poussière.

Spanish

Save record 19

Record 20 2000-09-07

English

Subject field(s)
  • Opening and Closing Devices (Packaging)
  • Packaging in Metal
DEF

A can with a scored metal top that comes off in one piece by pulling at a small ring attached to it.

OBS

"Pull-top can" is based on the description of the ring-pull can in Packaging, 1993, vol. 38, no. 6, p. 13.

French

Domaine(s)
  • Modes d'ouverture et de fermeture (Emball.)
  • Emballages en métal
DEF

Boîte métallique possédant un couvercle incisé s'ouvrant facilement par déchirage.

OBS

Voir «couvercle à ouverture facile» dans Emballages Magazine nos 460 (p. 71) et 505 (p. 62).

Spanish

Save record 20

Record 21 1999-07-14

English

Subject field(s)
  • Breadmaking
DEF

Cutting the top of a loaf to allow for expansion of the bread while in the oven. This allows the loaf to bloom as it goes through oven spring at the beginning of baking. It also allows the crust to have more crisp fold of dough and lends aesthetic appeal to the loaf by the design off the cuts.

French

Domaine(s)
  • Boulangerie
DEF

Incision du pâton au rasoir, juste avant l'enfournement, qui permettra au pain de mieux se développer durant la cuisson et qui signera le travail du boulanger.

Spanish

Save record 21

Record 22 1999-03-26

English

Subject field(s)
  • Electrical Engineering
  • Computer Graphics
CONT

Retrace blanking is the shutting off of the electron beam as it returns to the left or top of the screen after a full screen sweep.

French

Domaine(s)
  • Électrotechnique
  • Infographie

Spanish

Save record 22

Record 23 1999-03-16

English

Subject field(s)
  • Climatology
DEF

An interruption of the normal west-to-east flow at middle and high latitudes.

OBS

It [blocking pattern] persists from one to several weeks.... there are three kinds of blocks :... a high-over-low block in which the flow splits, one branch taking a poleward excursion and the other branch an equatorward excursion. Any traveling storms that approach the block from the west, tend to weaken and go either over the ridge(top of the block) or pass through the trough on the south side.... An "omega" block so named because the flow about this block resembles the Greek letter "Omega". Cyclonic(counterclockwise) circulations can occur both southwest and southeast of the block(where low pressure is indicated on the diagram), and the weather near them can be stormy. Within the block, however, the weather is benign and warmer than normal.... A stationary high-amplitude ridge. Such a ridge often forms just off the West Coast of North America in winter. If it persists, it steers Pacific storms far to the north and keeps the weather in British Columbia and the Pacific Northwest anomalously dry and mild.

French

Domaine(s)
  • Climatologie
OBS

[Situation qui résulte de] l'obstruction de la marche normale ouest-est des cyclones et des anticyclones migrateurs.

Spanish

Save record 23

Record 24 1999-01-22

English

Subject field(s)
  • Packaging in Metal
DEF

A generally flat or herring type can with a scored cover that can be opened by punching a special key at the top and tearing or rolling it off along the scored lines.

Key term(s)
  • punch and roll can

French

Domaine(s)
  • Emballages en métal
DEF

Boîte métallique classique, de type boîte à sardines, comportant dans la partie plate du couvercle, des lignes de déchirage pré-incisées, et dont l'ouverture est obtenue grâce à une clé.

OBS

boîte métal à ouverture par clé : Équivalent proposé après consultation du chapitre «Fermeture et ouverture des boîtes métal», pages 32 à 35 de «Tout l'emballage», tome 3, publié en 1967.

Spanish

Save record 24

Record 25 1994-02-11

English

Subject field(s)
  • Opening and Closing Devices (Packaging)
  • Packaging in Metal
DEF

A metal can top that comes off in one piece by pulling at a small ring attached to it.

French

Domaine(s)
  • Modes d'ouverture et de fermeture (Emball.)
  • Emballages en métal
DEF

Couvercle de boîte métallique muni d'un anneau qu'il suffit de tirer pour en réaliser l'ouverture totale.

Spanish

Save record 25

Record 26 1992-06-30

English

Subject field(s)
  • Pulp and Paper
CONT

Hydrolysis with Hydrogen Chloride Gas.... A variation of the use of concentrated hydrochloric acid combined with hydrogen chloride is the process of Hereng. Here, wood chips are impregnated with 30% hydrochloric acid in a mixer and then transferred by a conveyor into the reactor. Because the chips are not predried, the acid concentration in them is reduced to 20%. The reactor consists of a hexagonal upright vessel equipped with numerous inclined trays. The impregnated wood is moved from the top toward the bottom by means of a vibrator and thus the prehydrolysis is completed after 45 minutes. The acid, containing chiefly pentoses, is filtered off and part of it is returned to the mixer. In this way, the sugar concentration in the prehydrolyzate is increased to about 20% to 25%. In a second step, the material, which has again been mixed with 30% hydrochloric acid, is passed through the reactor and hydrogen chloride gas is injected at the bottom in a countercurrent. In this way, the acid concentration is increased to 40% to 41% or more. The hydrolyzed material is conveyed from the bottom of the reactor to a drying chamber and is dried there with anhydrous hydrogen chloride gas which has previously been passed through a calcium chloride solution. The hydrolyzed material, consisting of lignin and sugar, is extracted with water and the sugar solution is subjected to a posthydrolysis.

French

Domaine(s)
  • Pâtes et papier
CONT

Plusieurs pays continuent à faire des recherches pour améliorer l'hydrolyse chimique. Le procédé Hereng utilisant l'acide chlorhydrique gazeux permet d'atteindre un meilleur rendement en sucre et de récupérer l'acide.

Spanish

Save record 26

Record 27 1987-12-04

English

Subject field(s)
  • Glass Beads and Small Glassware
DEF

Impurities which rise to the top of the pot as the batch is heated and made to boil. It is waste and must be skimmed off.

French

Domaine(s)
  • Perles de verre et verroterie
DEF

Impuretés qui se forment à la surface du pot pendant qu'on chauffe la composition et qu'on la porte à ébullition. C'est un déchet qu'il faut écumer.

Spanish

Save record 27

Record 28 1979-11-30

English

Subject field(s)
  • Parks and Botanical Gardens
  • Cooking Appliances
CONT

Many of these [camping] stoves now come with built-in self-cleaning needles. If your stove does not have this feature, keep some prickers with the stove in case the burner jet gets plugged. If this gives trouble, turn off the stove and let it cool. Unscrew the burner top and then the jet, and push the pricker needle through the jet from the inside out. This pushes the dirt out of the system.

French

Domaine(s)
  • Parcs et jardins botaniques
  • Appareils de cuisson des aliments
DEF

extrémité de brûleur où se produit la flamme.

OBS

Ne pas confondre avec "bec de gaz".

Spanish

Save record 28

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