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- segmented pumping test 分段抽水试验
- 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。
- 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。
- 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。
- 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.
- 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。
- 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。
- 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 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。
- But the time is long for this pumping test and the region natural water level influence the test. All those add difficulties to the arrangement of group drilling pumping test datum. 但群孔抽水试验一般历时时间较长 ,加上区域自然水位变幅的影响 ,给群孔抽水试验资料的整理带来一定难度。
- 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。
- Compared with the pump test and the grain-size analysis methods, the in-situ standpipe method is more economical and practical. 该方法能有效的用于不同海洋地质情况，并且相比颗粒分析、渗透仪、和抽水试验等其他方法更经济，更实用。
- In this paper, the macro spray characteristics were investigated by using stroboscopic photography in a pressure vessel, on injection pump test stand. 在喷油泵试验台上，应用闪光摄影法，研究了压力容器内该燃烧系统的宏观喷雾特性。
- TCP+DST+JET pumping testing technology is applicable to testing of low pressure and low permeabilityforimtions. TCP＋DST＋JET射流泵学升三联作测试工艺，适用于低压低渗油层的测试。
- Non-linear coupled response model of permeability coefficient and effective stress was introduced according to water pump test results. 根据抽水试验观测资料,提出了土体渗透系数与有效应力的非线性耦合响应模型。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- She cleaned a small segment of the painting. 她把画儿上的一小部分擦干净了。
- 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。
- The abdominal segment of an insect. 腹面昆虫的腹部体节
