对各型线几何抽速和面积利用系数公式中的重要变量进行了讨论。
The important variables in the formulas of geometric pumping speed and coefficient of used area are discussed.
清洁、大抽速真空系统是现代空间环模设备中必不可少的组成部分之一。
Vacuum system of oil free and high speed is an integrated component of a modern large simulator.
并为以后开发更大抽速的低温泵及相关应用积累了丰富的物理参数和经验。
Physical parameters and experience were obtained which is very useful in developing even larger cryopump.
泵系统的选择取决于所需要的抽速，能达到的极限压强(在适当的时间内)。
The choice of pumping system depends on required pumping speed, ultimate pressure attainable (in a reasonable time).
在真空系统的设计中，一般涉及到流态判别、流导、泵的抽速和系统的压力等参数。
In design of a vacuum system, generally it concerns distinguishing the regions of gas flow, the conductance of tube, the pumping speed and the pressure of system etc.
1974年真空行业会议确定四大攻关项目之一是油增压泵对应高吸入压强提高抽速。
One of the 4 items decided at the vacuum trade meeting in 1974 was to raise the pumping speed of oil booster pump following the raise of sucking pressure.
最后针对此方案，对真空泵抽速进行了预测，这将对后续阶段真空泵的选型具有指导意义。
The pumping speed is predicted according to the vacuum-pumping program, and it is very instructive and meaningful for choosing the vacuum pump in the succeeding phase.
本文运用气体动力学的理论，重点从结构上分析了影响KT- 150型扩散泵的抽速因素。
In this paper, the cause of speed of KT-150 diffusion pump are analyzed in the construction with using the theory of aerodynamics.
通过对低温泵的真空度及其抽速与液氦低温板温度的关系进行模拟，验证了真空系统设计的合理性。
By simulating the temperature of the cryopanel and the relation between the pressure and pumping gas speed of the cryopump, it was verified the vacuum system design was rational.
中性束注入系统要求有洁净的动态高真空环境，大抽速液氦冷凝泵是满足此要求的理想真空获得设备。
The Neutral Beam Injection (NBI) system requires a clean high vacuum environment. The liquid helium cryocondensation pump with high pumping speed is an ideal vacuum obtain device.
本文着重讨论了制冷机负载特性的变化对现代低温泵的抽速、极限压强、抽气容量等抽气特性的影响。
This paper emphatically discussed about the effects of change of the refrigerator load on pumping speed, limiting pressure, pumping capability etc.
KT- 400高真空油扩散泵，它的特点是真空极限高，抽速大，提高生产效率，同时真空气动阀门采用自动控制。
KT-400 high vacuum oil diffusion pump, which is characterized by extreme high vacuum, pumping speed large, increase production efficiency while the vacuum pneumatic valves with automatic control.
该文介绍了油封机械泵的抽速与入口压力的关系、泵抽气效率下降的原因，指出泵入口管道的流导和油蒸汽逆流是造成泵抽速下降的主要原因。
Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down.
该文介绍了油封机械泵的抽速与入口压力的关系、泵抽气效率下降的原因，指出泵入口管道的流导和油蒸汽逆流是造成泵抽速下降的主要原因。
Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down.
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