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- The critical safety thickness of the top pil. 根据失稳条件确定了顶柱的临界安全厚度。
- Keywords safety thickness of roof;mathematical forecasting model;the orebody No.92;numerical simulation;stepwise regression multianalysis; 安全顶板厚度;数学预测模型;92号矿体;数值模拟;多元逐步回归分析;
- safety thickness of roof 安全顶板厚度
- Safety thickness of artificial roof 人工顶板安全厚度
- In the construction of hydraulic tunnel, the engineering quality problem is often caused by concrete cracks and insufficient thickness of roof lining. 摘要在水工隧洞建设中，混凝土衬砌裂缝和顶拱厚度不足是经常发生且十分典型的工程质量问题。
- Based on the distribution of the mine-out(areas),the author calculates the safety thickness of interval layers in the deposit. 在采矿过程中根据采空区分布情况,确定露天开采时安全作业的隔离层厚度。
- The critical safety thickness of hidden cavity increases with the augment of hidden cavity section size, radial constringency, safety coefficient and surface loading. (3)暗穴临界安全厚度随着暗穴断面尺寸、暗穴半径收敛值、安全系数、地面荷载等参数的增大而增大。
- The results show that under these conditions the rock burst is closely related to the coal rock characteristic, mining depth, thickness of strong roof and periodic weighting of roof. 结果表明在此条件下开采时发生的冲击矿压与煤岩性质、采深、坚硬顶板厚度及顶板的周期来压有密切关系。
- And a set of ripe software has been developed. An example of designing the safety thickness of the insulation structure and ablator is given. By comparig the calculation result with the practically thickness, the system is proved credible and convenient. 文中对此建立了集药柱几何计算、内流场、传热与烧蚀于一体的计算系统 ,并形成了成熟的软件 ,对一具体算例进行了绝热结构和烧蚀结构防护层的安全厚度设计 ,与工程实际应用厚度的比较表明 ,此系统用于工程中方便可靠。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- A single thickness of a split hide. 皮厚一层被剥下的皮的厚度
- Safety thickness of top and foot walls 顶底板安全厚度
- We are in the thick of examinations. 我们正处在考试最紧张的时刻。
- Numerical Analysis on Safety Thickness of A Roof for Top Pillar Recovery in Drift Mining 进路法回采顶柱其顶板安全厚度的数值分析方法
- The varying angles of roof slope. 屋顶斜面多种多样的角。
- "There are four acres of roof," Charlotte told him. “屋顶的面积有四公顷，”夏洛蒂告诉他。
- Use: windows of roof and balcony. 用途：屋顶窗，阳台窗。
- Opening a new window just must dismantle on the part of roof. 开一个新窗户就得拆除部分房顶。
- I can't come out at present. You can see I'm in the thick of all this work. 我现在不能出去，你看得出我工作正紧张。
- The thickness of sima is not easily measured. 硅美圈的厚度是不容易测量的。
