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- Coal face ground pressure observation and its relevant observation software 采煤工作面矿压观测及观测软件
- ground pressure observation 矿压观测
- Ground pressure observing of double-longwall faces in mining on confined aquifer 承压水体上对拉工作面开采的矿压观测研究
- Ground pressure observing of rational staggered distance between double-longwall faces in mining on confined aquifer 承压水体上对拉面合理错距的研究
- The harm of percussive ground pressure,produced reason,conditions and protective measures are introduced. 介绍了冲击地压的危害程度，发生的原因、条件及采取的防治措施。
- Abstract: The harm of percussive ground pressure,produced reason,conditions and protective measures are introduced. 文摘:介绍了冲击地压的危害程度，发生的原因、条件及采取的防治措施。
- Ground pressure disaster occupies a predominent proportion in mine casualty accidents. 地压灾害在矿山伤亡事故中占绝对比重。
- The idea of key stratum pressure is put forward, and the ground pressure is mainly influenced by the breakage of key . 提出主关键层来压的新概念,指出回采工作面矿压显现程度主要受主关键层破断的影响。
- 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 stability of skarn in the soleplate of ore body is bad and the mining ground pressure is serious in Xishimen iron ore mine. 鲁中小官庄铁矿由于埋藏深、地压大、矿体倾角比较缓、矿岩破碎,是国内有名的难采矿山之一。
- It has been s uggested to choose logical project design, construction scheme, and support meas ure to reduce ground pressure damage. 并建议选择合理的工程设计、施工方案、支护措施，以减少地压破坏。
- Through researching on the charaters of soft rock and ground pressure,provides more ideal support methods so sa to achieve better economic benefit. 通过对元宝山矿区软岩特征和软岩巷道地压显现的研究,提出了更为理想的支护方式,以达到良好的经济效益。
- 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。
- Reducing pressures observed over Tibet to mean sea level is meaningless. 在西藏观测到的气压，订正到平均海平面是没有意义的。
- TYS120 LLGP bulldozer is rigid suspended, power shift, hydraulically controlled and track-type. It is applicable for the extra requirement of the ground pressure. TYS120超湿地推土机系刚性悬挂、械和动力换档变速传动、压操纵的结构型式，是一种能满足使用工况对接地比压有特殊要求的湿地型履带推土机。。
- pressure observation and measurement 矿压观测
- underground pressure observation 矿压观测
- The safety of residents'life and belongingsalong with the under ground pressure pipeline of liquefied petroleum gas is tightly linked with that of the pipeline. 城市液化气埋地压力管道的安全与千家万户居民的人身和财产息息相关。
- Results There were difference in the mitral valve area、diastolic mitral gradient、the mean left atrial pressure observed before and after PBMV. 结果显示PBMV前后二尖瓣瓣口面积、二尖瓣平均跨瓣压差、左房平均压力差异显著(P＜0.;05)；
