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- Hydrogeologic phenomena occurred before and after deep well pumping are described herein by taking the pumping tests of many wells during long period as examples. 作者以多井长期抽水试验为例，描述了深井抽水前后遇到的水文地质现象。
- well pumping test 降水试验
- Based on data of pumping test, this paper summarized the variational law of well in phreatic aquifer of loess and the diversified relationship between water table and pumping time. 本文根据抽水试验资料总结了黄土潜水井水跃值的变化规律并分析了其成因;总结了水位降深随抽水时间的变化关系,并建立了经验公式;提出了公式中参数的确定方法。
- A large scale of abstracting and pumping test in the groundwater sources area of the Jily was in troduced. 摘要本文介绍了洛阳吉利区黄河滩白坡水源地地下水大型开采抽水试验。
- A down-hole autotracking well pumping unit different from the conventional pumping unit was designed. 针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置。
- This paper presents the definition of the pumping test net and its optimum design, the basic principle of the design and the mathematical model. 文中提出了抽水试验网及其优化设计的定义,网优化设计的基本原理以及数学模型。
- Calculate aquifer properties based on pumping tests. 利用抽水试验数据计算含水层的导水性质.
- Through the contrast test, the seepage coefficient from this method has the very good relevance to the conventional pumping test. 通过对比试验,该方法所测得渗透系数与常规抽水试验渗透系数数值有很好的相关性。
- simple pumping test from domestic well 民井简易抽水试验
- Mixing musts in Red fermeters is much more difficult as the pump used is a centrifugal pump, and does not cope well pumping skins etc. 而对立式罐来讲，因使用的是离心泵，不适合打葡萄皮等固性物，要在其中对果浆进行混合却是极其困难的。
- To obtain hydraulic conductivity (HC) is the basis to forecast water-gushing and HC can not be determined by pumping test on a large scale for tunnels with superthick overburden. 围岩渗透性是涌水预测的基础，对于超深隧道，不能通过大规模抽水试验来获得渗透性参数。
- For analyzing water supply capacity of the water inrush wells in the YuXin coal mine of Xingmi city,large scale pumping test were carried out as presentd in this paper. 为了给矿井设计和施工提供可靠的水文地质参数,本文利用郭屯矿井井筒检查孔抽水试验数据,根据地下水动力学原理,准确地预算出各井筒涌水量。
- They are lowering the raw water tower(deep well pump)now, so only the emergency generator can be operated. 正在下放海水塔(深井泵),只能开应急发电机。
- A new method for calculating the aperture and roughness of fissure, and the effective radius of groundwater by using the response curve of a multistage pumping test is presented. 利用从层流到紊流的多阶段稳定压水试验的压力-流量曲线反算裂隙张开度、粗糙度及地下水影响半径等裂隙参数。
- To add a new unit under the pump,it makes the oil tube telescopes elastically as the oil well pump moves up and down. 在泵下增设一个新装置，使抽油泵上下运动时，油管产生弹性伸缩。
- Taking Qidong Mine as a example,based on the data about the water inrush from the fourth aquifer, the parameters are revised, which are calculated by pumping test. 分析了“底含”发育的主要影响因素,并以祁东煤矿为例,利用地下水动力学方法重新计算了“底含”的有关参数,对以往抽水试验参数进行修正,并成功地运用到邻近矿井。
- To solve the problems with the measuring of the verticality of oil well pump liners, a simple measuring meter is designed. 为解决抽油泵衬套垂直度测量较困难的问题，根据抽油泵衬套的特点，设计了抽油泵衬套垂直度简易测量仪。
- To evaluating the reliability of ECU, actual control test was carried out on the oil pump test bed. 为了验证电控单元实际工作的正确性，对电控单元在油泵试验台上进行了实际控制过程的试验。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- Does my sassiness upset you? Why are you beset with gloom? 'Cause I walk like I've got oil wells Pumping in my living room. 我的精神抖擞可让你烦恼?为什么你要皱着眉头?因为我步履矫健像家有油井用泵抽。
