pumping process

Under the same hydrologic-geologic condition, the phreatic parameters of well pumping is little higher than that of well artificial replenishment, but the method used for pumping water process can be used to get approximatively the phreatic parameters of artificial replenishing process.

对等水文地质条件下，井抽水过程求得的水文地质参数稍大于井回灌过程求得的水文地质参数，但可以用抽水过程求参方法近似求解井回灌过程的水文地质参数；

Mass spectrometric analysis of residual gases during pumping process of oil sealed rotary pump

油封式机械真空泵抽气过程的残气质谱分析

By the effective and the real time controlling of the middling pumping flow in the floatation cycle, the process of floatation was kept to a relative constancy, hence the goals of improving separating targets and reducing metals loss have been attained.

通过有效调节，实时控制浮选循环中的中矿泵流量，使浮选过程保持相对稳定，从而达到了提高选别指示，减少金属流失的目的。

The developmental process of this filling technology is presented and evaluated, including dynamic electrochemical consolidation, underground centrifugal dewatering and pumping, pipeline self-flow delivery and paste pumping of the highly concentrated unclassified tailings.

本文按照其发展过程介绍了动电固结工艺、全尾砂井下离心脱水泵送充填工艺、高浓度全尾砂胶结充填管道自流输送工艺和膏体泵送充填工艺，并对这些工艺作了评价。

Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.

以抽真空与节流相结合为基础，给出了几种超流氦冷却循环方式；

Reported in this paper are the operating characteristics of a high power phosphate-glass disk amplifier with 100 mm clear aperture, including gain curves, gain uniformity, thermal distortion induced by optical pumping, and restoring process of the thermal aberration.

本文报道一台工作口径为100mm的磷酸盐钕玻离片状放大器的工作特性.内容包括增益特性曲线，增益均匀性，光泵热畸变及热像差的恢复过程等。

The surface water, shallow groundwater and deep groundwater in the route flowing to downstream area experienced a complicated interchangeable process and consumed by pumping and evaporation.

再往下游，地表水、浅层水和深层水之间发生多次复杂的相互转化，最终耗于人工开采和蒸发。

Vacuum packer can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover.

产品说明：真空包装机只需按下真空盖即自动按程序完成抽真空、口、字、却、气的全过程。

The gathering process of tight line treatment for crude without heating and/ or pumping adopted in central oil and gas treating station located at Wenliu oilfield is introduced.

介绍了文留油田联合站无泵无罐原油密闭处理的集输工艺。

The final liquid ratio of superfluid helium by vacuum-pumping accompanied with throttling process is 90.3%, and the complexity and the cost of the equipment is similar to the vacuum pumping plan.

抽真空及抽真空与节流过程相结合的方案最终获得的超流氦液体率分别约为100%、90.3%。

Simulation Study on the Process of Pumping Inert Gas into Fire Area Roadway

火区巷道充注惰气过程的模拟研究