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- Ground behaviour occured in mining of Maluping ore block by new room-pillar with bolting in Kaiyang Phosphate Mine are analyzed and control measures of ground pressure are put forward. 对开阳磷矿马路坪矿段延伸开采工程中采用新型锚杆护顶房柱法出现的地压显现问题进行了详细的分析,并提出了地压控制措施。
- measurement of ground pressure 地压观测
- The Richter Scale is a measure of ground motion. 里氏震级是测量地动的单位。
- Moreover, in the weighting process of the main roof, the characteristics of ground pressure manifestation are all of "camelback" form. 在来压过程中,回采工作面的矿压显现特征量均呈“驼峰”型。
- The regularity of the activity of ground pressure in mine stope andthe results of controlling in the process of mining are summed up and analyzed. 对回采过程中,采场地压活动显现规律与控制效果进行了总结与分析。
- Data of in-situ measurement of ground stress have provided reliable basis for the design of quantitative mining of this mine. 现场地应力实测资料为该矿进行定量的采矿设计计算提供了可靠的依据。
- According to the field investigation at Dayang coal mine, the paper describes behavior of ground pressure of longwall top coal caving face with soft surrounding rock and movement of overlying strata. 本文通过大雁二矿28%23层采面矿山压力的实测分析,论述了软岩矿井大采放比综放开采矿压显现特征和围岩活动规律。
- The expedition covered a lot of ground. 探险队到过很多地方。
- Our soldiers disputed every inch of ground. 我方战士寸土必争。
- Measurement of sound pressure level for sound sign. 海船声号器具的声压级测量。
- Vapor Pressure Measurement of Supercooled Water. 超冷水水气压观测。
- The soldiers contested every inch of ground. 士兵们为争夺每一寸土地而斗争。
- Scientific measurement of the head. 头测量学,头测量学,测颅学头颅的科学测量
- Measurement of the depth of large bodies of water. 海洋测深学,海洋测深术测量大水域的深度
- The scientific measurement of time. 计时学时间的科学测量
- circular checking of ground pressure 地压巡检
- control of ground pressure in the roof 顶板地压控制
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- The flight was put off about a quarter, because of grind fog. 由于地面有雾,这次班机推迟刻钟。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候?