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- coefficient of water inrush 突水系数
- According to the model,applying the cusp catastrophic theory the mechanics mechanism of water inrush is analyzed from key stratum of floor. 当满足关键层失稳的充要力学条件时,承压水底板有可能发生失稳突水。
- It is pointed out that main factors of water inrush of face are fracture developing degree and watery of sandstone aq... 研究结果对煤矿砂岩水害的有效防治具有重要的指导意义。
- This paper puts forward a new mechanism of water inrush through the seam floor (WISF).It is emphasised that water inrush is a local destabilization caused by defects. 本文论述了矿井煤层底板突水是一种由缺陷诱导的局域失稳，特别强调存在两种时间尺度的缺陷变化过程。
- The principle of WKS in water-preserved mining has been successfully applied to the disaster prevention of water inrush from roof and floor in working face. 保水采煤的隔水关键层原理在采场顶底板突水灾害防治中得到了成功应用。
- Local resistance coefficient of water cut oil in the plunger is an important parameter to design and calculate in actual production. 含水原油在柱塞凡尔中的局部阻力系数是实际生产中进行设计、计算时十分重要的参数。
- Residence time ,storage and storage coefficient of covered Karst water in Dachahe area of Pingliang are evaluated by natural isotope based on wellmixed model of water body. 应用天然同位素及水体的完全混合模型，计算了平凉大岔河隐伏岩溶地下水的滞留时间、含水层储水系数及储存量。
- Water has a variable coefficient of expansion. 水的膨胀系数是可变的。
- Water is variable in coefficient of expansion. 水的膨胀系数是可变的。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- Introduces the three methods of water measurement on concrete mixing stations, determination of water-content coefficient of sand and rock and revision of gradation ratio, and puts forward effective scheme to control the lump of concrete. 介绍混凝土拌合站水计量所采用的三种方法,砂石含水率的测定及配合比的修订,为混凝土坍落度的控制提供了有效解决方案。
- Causes of water inrush in Qidong Coal Mine 祁东煤矿突水灾害成因分析
- The pipe burst and a spout of water shoot out. 水管破裂了，一股水喷了出来。
- Objective To investigate the diffusion coefficient of water molecules using magnetic resonance(MR)diffusion weighted spectroscopy(DWS)with normal medical magnetic resonance device. 目的在常规医用磁共振机上利用扩散加权波谱技术测量水分子的扩散系数。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- probability index of water inrush 指数
- The flower languished from lack of water. 花因缺水而枯萎。
- The man poised a bucket of water on the head. 那个男人头上平稳地顶着一桶水。
- quantity of water inrush in mine 矿井涌水量
