Low ultimate pressure, high pumping speed for Ar.
极限压力低、抽气压力范围宽，对氩气抽速较高。
The important variables in the formulas of geometric pumping speed and coefficient of used area are discussed.
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 choice of pumping system depends on required pumping speed, ultimate pressure attainable (in a reasonable time).
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)。
Previous artificial hearts have been unable to automatically vary their pumping speed and must be tweaked externally.
上人工心脏已经无法自动改变他们的抽水速度和外部都必须经过调整。
This paper emphatically discussed about the effects of change of the refrigerator load on pumping speed, limiting pressure, pumping capability etc.
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。
After analyzing the sensitive relationship between interference and pumping speed, it is concluded that the interference of pumping speed is stochastic.
在分析了干扰和抽吸速度的灵敏关系后，认为抽吸速度的干扰具有随机性。
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.
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。
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。
In addition to pumping air and no condensate and other non-corrosive gases, widely used in pumping speed and the need for high vacuum of truth in this system.
适用于抽除空气及其它无可凝性及无腐蚀性的气体，广泛应用于需要大抽速和高真空的各种真这系统中。
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.
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。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
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.
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 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.
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。
AMADA nc Punch Press with high accuracy, high pumping speed, auto and multi location, high combined machining ability, high elasticity, can meet the processing requirement for high accuracy.
AMADA数控冲床高精度、高冲次、自动多项定位、高复合加工能力、多台数控冲床、高弹性。满足高精度加工要求。
This paper is based on the theory of gas dynamics, by means of improving the first nozzle of diffusion pump in order to increase the pumping speed of diffusion pump are reported in the paper.
本文以气体动力学理论为基础，论述了如何通过改进扩散泵的第一级喷咀来提高扩散泵的抽气速率。
Hemolysis tests are conducted at low, medium and high pumping speed with syringes of different capacities in order to explore the interference reason that affects the different hemolysis results.
用不同容量的注射器在低、中、高不同抽吸血液的速度下进行溶血试验，以研究分析不同溶血结果的干扰原因实质。
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.
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。
Solar panels speed pumping on sunny days and slow it on cloudy days, so crops always get the water they need.
太阳能电池板在晴天里为抽水加速，阴天则减速，保证作物们总能获得需要的水量。
It also minimises the pumping losses caused by no longer having to "throttle" (ie, strangle) the air flowing into the cylinders in order to control the engine speed.
这样还把由于不必再为了控制引擎转速来抑制空气流入引起的抽吸效应的能耗最小化。
Pre jumping: Prejumping the face of the mogul pumping with heavy contact on the backside. This is a technique to gain speed in the moguls.
提前跳：提前从包脸跳起后重重的落到包背上。这是一种滑猫跳时取得速度的技术。
By combining the motion state equation with the Kalman filter algorithm, a mathematic calculation method for accurate prediction of the polished rod speed of the pumping unit is worked out.
把抽油机运动状态方程和卡尔曼滤波算法相结合，构造了一套适用的精确预测抽油机悬点速度的数学算法。
Not need heating, pumping, high - speed centrifugation, low operation fee.
不需要加热抽真空和高速离心，能耗低，运行费用低。
The optimization theory and method combined with variable frequency speed regulation technology is applied in this paper to realize efficiency optimization in water injection pumping stations.
利用最优化原理与方法结合变频调速技术实现注水泵站效率优化控制，以满足油田生产节能降耗的需要。
Based on the pumping unit's improvement scheme and its structural size, we calculated its acceleration, speed and displacement.
根据游梁抽油机的改造方案及结构尺寸，计算了加速度、速度和位移。
In the technology reform of Dongjiang Pumping Station, a large scale axial -flow pump with double speed is used to fitting in with the nature of the pump head varying greatly.
东江泵站结合扬程变化幅度大的特点，在技术改造中采用双速全调节叶片的大型轴流泵机组型式，取得了明显的节能效益。
The test result shows that the closing speed of the valve is not related to the pumping pressure, and the minor impacting energy is produced in the course of valve closing.
通过测试和分析，得出了泵阀关闭速度与泵压基本无关、泵阀关闭时的冲击能较小的结论。
Taking the rod string as the object of study, a method of computing pumping stroke and speed of walking beam pumping units for slant straight wells is also presented.
以抽油杆柱为研究对象，论述了斜直井游梁式抽油机冲程和冲次的计算方法。
The optimized operation of pumping station with variable speed drive (VSD)and the selection of number of pump-units in the station are discussed.
介绍变速泵站优化运行及变速泵机组最佳台数的选择。
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.
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。
The pumping unit supplying the tested models consists in one horizontal shaft centrifugal pump driven by a variable speed D. C. motor itself controlled by a thyristor speed drive.
供给水轮机模型试验的水泵由一个卧式离心泵组成，由一个整流器自控制的变速电机带动。
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