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- Keywords Sublevel caving method;Mining dynamic pressure;Underlying ground pressure;Technical measures; 无底柱分段崩落法;采矿动压;下盘地压;技术措施;
- Underlying ground pressure 下盘地压
- Satellite laser altimeter return waveform is sensitive to the vertical canopy structure and the change of underlying ground elevation. 星载激光测高仪的回波信号能够灵敏反映地面植被组成和地表高度的变化,因此能够用于探测森林地貌;
- Satellite laser altimeter return waveform is sensitive to the vertical canopy structure and the change of underlying ground elevation.It is optimal for mapping forest structure. 星载激光测高仪的回波信号能够灵敏反映地面植被组成和地表高度的变化,因此能够用于探测森林地貌;
- 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。
- Based on observed data of two monitoring sections in Beiluhe test site of Qing-Zang Railway, The characteristics of underlying ground thermal regime after constructing high embankment are analyzed. 基于青藏铁路北麓河试验段两个监测断面的地温监测资料,分析了修筑高路基后下伏土层的热状况变化特征。
- Abstract：Satellite laser altimeter return waveform was sensitive to the vertical canopy structure and the change of underlying ground elevation.It was optimal for mapping forest structure. 摘要： 星载激光测高仪的回波信号能够灵敏反映地面植被组成和地表高度的变化，因此能够用于探测森林地貌。
- 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。
- Upward pressure from underlying magma domes the surface. 地下岩浆的向上推力使地面成圆顶形。
- 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。
- 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。。
- 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。
- Keywords Ultraviolet B（UVB）;Underlying ground;Monitoring; 中波紫外线;下垫面;监测;
