Testing matching ratio and quality controlling of anti-frozen massive pumping concrete C30P12F100 is introduced with the construction application.
本文主要介绍C30P12F100抗冻大体积泵送混凝土的配合比设计试配及工程应用情况。
The"311-A"regression design was adopted to study the optimum ratio of N, P and K fertilizers on maize field of Yellow River Pumping Irrigation District in Cheng Xitan, Yanchi Ningxia.
运用“311-A”试验设计，探讨宁夏盐池县城西滩扬黄灌区玉米氮、磷、钾肥料的最佳配比。
The production pressure differential can be increased and the injection-production ratio can be reduced by transferring from flowing to pumping.
利用自喷转抽提液方法，放大生产压差，降低注采比。
Based on the analysis of the process of regenerative braking, this paper put forward a new method to restrain the pumping voltage by changing PWM ratio.
文中通过对再生制动过程的分析，提出了通过控制占空比的办法来抑制泵升电压。
The design philosophy and method for equal stress ratio of pumping rod are proposed and the corresponding software for optimization design of rod pumping parameters is compiled.
文中还提出了抽油杆等应力比的设计思路和方法，并编制了相应的机抽参数优化设计软件。
The actual solutions can be acquired by inverting the Laplace-Hankel transform. The influence of Poisson's ratio, pumping method and time on the surface displacement of multi-layered soil is analyzed.
通过相应的逆变换，得到了该问题的真实解答，并分析了泊松比、抽水形式和时间对饱和层状地基地表位移的影响。
The technique is proved to improve the efficiency in high gas-oil ratio pumping well by the cases of representative Wells.
典型井实例证实了该技术能够提高高油比抽油井泵效，增加产量。
The technique is proved to improve the efficiency in high gas-oil ratio pumping well by the cases of representative Wells.
典型井实例证实了该技术能够提高高油比抽油井泵效，增加产量。
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