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USABLE DIAMETER [4 records]

Record 1 2012-07-10

English

Subject field(s)
  • Orbital Stations
OBS

The Payload Bay [is] the unpressurized mid part of the Orbiter fuselage behind the cabin aft bulkhead where most payloads are carried. Its maximum usable payload envelope is 15 feet(4. 6 meters) in diameter and 60 feet(18. 3 meter) long. Hinged doors extend the full length of the bay.

OBS

orbiter payload bay: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Stations orbitales
OBS

Les portes de compartiment de charge utile d'Atlantis [orbiteur]

OBS

compartiment de charges utiles de l'orbiteur : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 1

Record 2 2003-02-14

English

Subject field(s)
  • Spacecraft
DEF

The unpressurized mid part of the Orbiter fuselage behind the cabin aft bulkhead where most payloads are carried.

OBS

[The cargo bay] maximum usable payload envelope is 15 feet(4. 6 meters) in diameter and 60 feet(18. 3 meters) long. Hinged doors extend the full length of the bay.

OBS

cargo bay: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Engins spatiaux
CONT

Les astronautes [ont examiné] au moyen de caméras fixées sur le Canadarm, l'intérieur de la soute de Discovery.

OBS

soute : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 2

Record 3 1997-12-17

English

Subject field(s)
  • Plastics Manufacturing
CONT

Many screw designs have been utilized over the years for the various extrusion processes and materials.... The best-known screws can be loosely separated into two categories-conventional screws and barrier screws. Conventional screws usually are single flighted designs with the flight lead(or flight pitch) equal to the screw's nominal diameter. This type is termed a square-pitched screw, and when no mixing devices are present, it usually is referred to as a metering screw. Barrier screws are seen in many design configurations used in the extrusion industry, depending upon the designer. These screws have a second flight, which acts as a melt/solid separator designed to enhance output stability and allow higher usable output performance levels.

CONT

The two basic approaches are used: the single metering or compression screw ...; and the barrier flight screw.

French

Domaine(s)
  • Plasturgie
CONT

La vis Maillefer consiste en deux canaux séparés, constitués par deux filets de vis de pas différents, se succédant le long de la vis avec une zone de chevauchement des deux filets. Le filet supplémentaire, dont le pas est tel qu'il correspond à un tour de moins que le filet principal sur la longueur de la zone de compression, balaie dans cette zone la largeur du canal, définissant deux canaux de largeur variable. En fait la position du filet supplémentaire correspond à celle que prendrait la frontière entre solide et liquide du processus de plastification par l'arrière du filet. On peut alors constater que le solide reste contenu dans le filet principal et que le liquide s'accumule dans le filet secondaire situé en arrière. Tout se passe comme si le filet supplémentaire était une frontière forcée entre le lit solide et la poche de matière fondue. Ainsi les deux états de la matière sont parfaitement séparés, ce qui permet d'éviter la pollution de la poche liquide par des fragments de solide.

Key term(s)
  • vis BM Maillefer
  • vis BM-C Maillefer

Spanish

Save record 3

Record 4 1976-06-19

English

Subject field(s)
  • Physics

French

Domaine(s)
  • Physique

Spanish

Save record 4

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