pumping rate

The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.

气力提升泵的水输送量反映了提升管进口的流速情况，而进口流速是衡量吸鱼效果的重要因素。

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By numerical simulation we calculate the threshold satisfied by pumping rate r and damping c, and discuss the influence of cavity loss on the steady photon distribution and the mean photon number.

通过数值模拟给出了有损耗情形注入率r与腔损耗系数c之间应满足的阈值条件，并讨论了不同腔损耗对稳态光子数分布和平均光子数的影响。

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If possible, the pumping rate should increase as much as possible.

在条件允许的情况下，应尽可能增加抽水速率。

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Using power function to describe the production rate, pressure and translating them into laplace space, the early time testing data of the pumping well can be modified to the radio flow period.

利用幂函数描述产量与压力值，并通过拉氏变换进行校正，可将抽油井测压早期段数据校正到径向流段，从而大大缩短抽油井测压时间。

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The predication of the ground water head and influence on the old well field after the new wells come into operation is done by the method too. The guarantee of pumping rate is estimated by the method of water balance in phreatic aquifer.

还利用补给层的水量平衡评价越流含水层开采量的保证程度，预测了新水源地投产后对老水源地的影响。

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the calculational method of pumping rate in medical center suction system

医用中心吸引系统平均抽气速率的计算

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The four-energy-level velocity rate equation is illustrated and so is the expression of threshold power. The laser power on the condition of near-threshhold and powerful pumping is estimated.

由钕离子的四能级跃迁的速率方程理论，推出了阈值功率的表达式，并且对近阈值条件下和强泵浦条件下的激光输出功率做了理论预测；

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By taking the stagnation action of flow into consideration, the analytical solutions for computing drawdown and pumping rate is derived under the conditions of homogeneous, isotropical unconfined aquifer without recharge and of fixed drawdown in the pumping well.

文中推导出了在均质各向同性无上、下补给、定降深抽水条件下，考虑滞流作用时的变边界井流问题水位降落曲线及井的出水量的解析公式。

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The ef-fects of the atomic center-of-mass momentum, the cavity length, the detuning, the atomic pumping rate, the cavity decay rate, and the number of thermal photons on the spectrum were examined.

通过数值计算，研究原子质心动量、腔长、失谐量、原子泵浦速率、腔场衰减速率以及热光子数等因素对双光子mazer谱的影响。

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Design of the Downhole Pulsation Dampener in the Rod Well System of High Pumping Rate and Forced Fluid Withdrawal

大泵强采抽油系统井下脉动缓冲器的设计

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Introduces the newly developed K-800A HV oil diffusion pump for its design of broadened range of pumping speed, increased critical backing pressure and reduced backstreaming rate.

介绍了新研制的高真空油扩散泵在拓宽抽气速率范围、提高临界前级压力、降低返油率方面的创新设计。

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High Repetition Rate Laser Optical Pumping System

高重复率激光器光泵浦系统

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This paper concerns with the possible mechanism of ground surface deformation given rise by pumping of water at a constant rate Q from a pressurized water horizon through a single water well.

本文主要探讨了对承压水层上的单井，以定流量Q抽水时造成地面形变的可能机理。

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