TERMIUM Plus®

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FUME POINT [3 records]

Record 1 2001-05-18

English

Subject field(s)
  • Industrial Techniques and Processes
  • Printed Circuits and Microelectronics
CONT

Oil filtration systems are one of the most effective means of controlling the contamination generated in a mechanical pump. The external oil filtration system, is an independent free-standing unit that usually consists of a transfer pump and motor combination, one or more stages of filtration, a sight glass to monitor the condition of the fluid, a pressure gauge to determine the element change point, and hoses equipped with dripless quick disconnects to attach the system to the mechanical pump. In addition, the system may have a means of quickly removing the filter housings, enabling the operator to effect an element change under a fume hood, or the system may be of a size that the entire system may be disconnected from the pump and transported to the fume hood.

French

Domaine(s)
  • Techniques industrielles
  • Circuits imprimés et micro-électronique

Spanish

Save record 1

Record 2 1989-05-23

English

Subject field(s)
  • Blasting Work (Mining)
CONT

The second aspect of performance sensitivity is usually distinguished by the name of Propagation Sensitivity, which is a measure of the ability of an explosive to support or reinforce a detonation that has already been created. Since the tendency for the detonation wave to fail or fade increases as the hole diameter is reduced, it has become customary to measure propagation sensitivity by the(minimum) critical diameter of a charge at least six diameters long that will support the detonation process once created. At a point below this value, a detonation wave cannot be consistently propagated, and a misfire... may occur; or otherwise the reaction may be incomplete, resulting in a poor blast effect and significant fume.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
CONT

Sensibilité à l'onde explosive. C'est une caractéristique très importante car elle conditionne la transmission de la détonation dans une file de cartouches. La Commission de Normalisation a adopté comme critère le coefficient de transmission de détonation (CTD), (...) La sensibilité à l'onde explosive est fonction de la densité de l'explosif et de son état (pulvérulent, gélatineux, fondu). Quand la densité est trop élevée, surtout avec les explosifs nitratés, l'onde explosive provoquée par le détonateur peut ne pas agir, ou s'arrêter en cours de propagation : on a alors un raté, ou un culot d'explosif.

Spanish

Save record 2

Record 3 1988-10-26

English

Subject field(s)
  • Blasting Work (Mining)
CONT

The second aspect of performance sensitivity is usually distinguished by the name of Propagation Sensitivity, which is a measure of the ability of an explosive to support or reinforce a detonation that has already been created. Since the tendency for the detonation wave to fail or fade increases as the hole diameter is reduced, it has become customary to measure propagation sensitivity by the(minimum) critical diameter of a charge at least six diameters long that will support the detonation process once created. At a point below this value, a detonation wave cannot be consistently propagated, and a misfire... may occur; or otherwise the reaction may be incomplete, resulting in a poor blast effect and significant fume.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
DEF

Diamètre d'une charge cylindrique de substance explosive au-dessous duquel cette substance ne peut pas détoner.

Spanish

Save record 3

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