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- Ground Pressure Characteristic Analysis of Hydraulic Breaking-off Prop on Working Face 液压切顶支柱工作面的矿压特性分析
- ground pressure characteristic 地压特征
- 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。
- Objective:To find the dynamic plantar pressure characteristic of children with spastic cerebral palsy. 目的:了解痉挛型脑瘫儿童步行时的动态足底压力特征。
- 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。
- Introduce a pressure characteristic of working face with the usage of hydraulic breaking-off prop. 介绍切顶支柱使用情况下的工作面矿压特性,分析切顶支柱对顶板管理的作用。
- 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。
- In this paper,the experimental study on the Turbulence Pressure Characteristic of eliminate-vor-tex-structure under the intermittence vortex are taken down. 对间歇旋涡作用下进水口消涡工脉动压力特性进行了试验研究,给出了作用于消涡工上的脉动压力的时间相关特性、频率特性以及空间相关特性。
- 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。
- Constant pressure pump is the most typic power component for hydraulic servo system.The pump's pressure characteristic affects quality of the control system directly. 恒压变量柱塞泵作为液压伺服系统的常用动力源,其压力输出特性直接影响着电液控制系统的品质。
- 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。
- Introduce a pressure characteristic of working face with the usage of hydraulic breaking-off prop.It analyses the effect of this prop to the roof management. 介绍切顶支柱使用情况下的工作面矿压特性,分析切顶支柱对顶板管理的作用。
- 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。
- 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。
- TYS120LLGP 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、机械和动力换档变速传动、液压操纵的结构型式,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。。