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- law of mining ground pressure distribution 矿山压力分布规律
- Tire ground pressure distribution 轮胎接地压力
- Research on the Ground Pressure Distribution of a Self-propelled Gun Based on Virtual Prototype Technology 基于虚拟样机技术的自行火炮接地压力分布研究
- Keywords crawler travel unit;ground pressure distribution;pulling resistance;pushing power; 履带行走装置;对地比压;牵引阻力;驱动功率;
- ground pressure distribution 对地比压
- Metal lacing eyelets for optimum fastening and pressure distribution. 最好加速和减压的金属网状小孔。
- 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。
- This curvature of the flow field alters the pressure distribution and the aerodynamic forces from their values in translational flight. 流场的弯曲使压力分布和空气动力与直线飞行时的值相比发生了变化。
- 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。
- In addition, the effect of startup pressure gradient of Bingham fluid in stratum pressure distribution are analyzed. 分析了宾汉流体的启动压力梯度对地层压力分布的影响。
- The analysis of the hydrostatic pressure distribution is beased on the momentum exchange equation of varying mass. 在动量恢复方程的基础上,分析了主流道的静压分布。
- 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。
- In this paper, pressure distribution of gaseous slip flow in parallel plates microchannel was studied. 对平行平板微型槽中气体滑移流动的压强分布特性进行了研究。
- For the PTD flow field, this thesis first presents inviscid flow solution of evolved pressure distribution. PTD内部流场问题,先不考虑黏性进行计算,并讨论PTD内部在不同时间的压力分布。
- 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。
- Flue gas flow model is established based on gas flow to research the pressure distribution along the width of furnaces. 运用气体流动相关知识,建立炉气流动模型,研究沿炉宽方向上的压力分布。
- The results show that the pressure distribution on external surface at both windward and leeward is basically the same. 结果表明:车体迎风面及背风面表面压力分布规律基本一致,验证了数值模拟计算模型的准确性;