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- Keywords block chambering method;exposed area;gently inclined ore body;side pressure coefficient;height width rati|; 阶段矿房法;暴露面积;缓倾斜矿体;侧压系数;高宽比;
- Study on the Influence Laws of Side Pressure Coefficient on Roof Failure of Roadway in Alternating Stratified Soft Roof Rock 侧压系数对巷道软弱互层顶板岩体破坏影响规律研究
- Side pressure coefficient 侧压系数
- Benefit of this modified shape is that the expansion around the first corner reduces the initial pressure coefficient on the frustum to low values. 这个改进的外型的优点是绕第一角点的膨胀会把截锥上的初始压力系数减少到很低的值。
- Measuring the moisture diffusion coefficient and floating pressure coefficient by the means of diffusible cup. 对试验数据回归分析表明：木材水分扩散系数随试材厚度的增加而呈指数增加；
- A safety supervisory control of building dyke, i. e., pore pressure coefficient B-bar control method is introduced. 摘要简要介绍了一种软基上填筑堤坝施工安全的监控方法-孔压系数B值控制法。
- It can measure drilling engineering parameter,such as drilling pressure,torque,side pressure and annular pressure etc. 钻压、扭矩、侧向力、环空压力等钻井工程参数可以随钻进行测试。
- Comfortable ZHANG YA means heart at comfortable piece, the side pressure of the afferent wall. 舒张压是指心脏在舒张时，血管壁上的侧压力。
- The composites displayed a positive pressure coefficient(PPC) effect at ww__c.Uniaxial compression might facilitate the NPC effect or weaken the PPC e... 而高于渗流阈值时;呈现NPC效应.;在渗流阈值附近;单轴压缩可诱导NPC效应的出现;或者抑制PPC效应
- Slowly open VA and lower high side pressure about -2 PSID below the low side pressure (differential reading about -2.0 PSID). 慢慢开启阀门A，并且降低高端压力使其比低端压力低大约-2PSID（压差读数大约为-2.;0PSID）。
- As the pressure coefficient increases, the volume ratio of the working gas vs. the cushion gas increases rapidly and the efficiency of gas storages increases too. 同时随著增压系数的增大，工作气与气垫气的体积比迅速增加，气库效率随之提高。
- For the purpose of comparison,the triaxial test method with unchanging side pressure,and increasing axial pressure are else experimented in parallel. 为了比较，对保持侧压，增加轴压的常规方法也进行平行试验。
- According to the isoline of the pressure coefficient that is 1.42, the distribution of source-contacting gas accumulations can be determined approximately. 根据这一界限，大致可以确定根缘气的发育范围。
- By mechanically analyzing and computing the ground pressure of the tunnel and shaft,the limit embedding condition of the soft interlayer,and its side pressure are obtained. 为解决这一问题,对此竖井地压问题进行力学分析,通过隧道地压与竖井地压的力学分析计算,得出了软弱夹层的极限埋藏条件与井筒的侧向压力。
- Based on the site observation data of Hengmen Channel, it advances an analysis to the wave action induced by a high-speed catamaran to dike and the maximum wave pressure coefficient. 根据横门水道现场观测资料，分析了双体快速船船行波对堤岸的作用和最大波压强系数分布。
- In setting up the model of optimizing design of dewatering program, the goal function (reduction pressure coefficient) was to make surrounding ground settlement minimum under the promises of ensuring foundation pit draw down. 在降水优化设计模型的建立中，以减降系数为目标函数，在保证基坑降深的前提下，使周边地面产生的沉降最小。
- The trend of the fluctuating pressure coefficient in different position of the cavity is analyzed, and the influence of the sloshing phenomena on the pressure distribution is discussed. 本文分析了模型所受的脉动压力随傅汝德数在不同腔体位置的变化趋势,并讨论了晃荡现象对压力分布的影响。
- The pressure in the side direction of the cavity is much less than that in the vertical direction, and the side pressure can be raised by mold vibration.The quantitative relations gaine... 砂型侧面压力远远低于正面压力，通过振动可以提高砂型的侧面压力而有利于砂型在水平方向上的充填；
- Generally, the wells of northeast region of Sichuan have high pore pressure, the pressure coefficient of whose main gas pay is mostly above 1.5, but Maoba 1 well and Heba 1 well’s reach 2.0. 川东北地区的井一般压力都比较高，主要气层压力系数大多在1.;5以上，毛坝1井、河坝1井等井压力系数达到2
- The most dangerous casse is not the steady operating case, but the transient case at the moment that the shell-side fluid is just shut down, but tube side pressure load and thermal load still retain. 本题研究的管板的危险工况不是发生在管程载荷、壳程载荷和温度载荷同时作用的正常操作工况下，而是发生在可能出现的壳程压力先停(管程载荷和温度载荷同时作用)的瞬态工况下。
