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- safety of underground mining 矿井安全
- After underground mining was transferred into surface mining in Yinshan Mine, some unbackfilled mined-out spaces imperiled the safety of surface mining. 银山矿从坑采转露采后,遗留下未及时充填处理的多个采空区,给露天开采带来安全威胁。
- The PV method is applied to wet injecting system of underground mine and test verification is conducted. 在研制成的“煤矿井下的湿喷作业系统”中应用了“筑峰填谷”法，并进行了试验验证。
- Dow Chemical Hazard & Explosion Hazard Indices Evaluation Methods" (7th Edition) is used to evaluate the safety of underground LPG tank in LPG service station. 运用《道化学公司火灾、爆炸危险指数评价方法》(第7版)评价LPG加气站埋地LPG储罐的安全性。
- During the process of underground mining,the stabilization of stope roof is the basement of normal and productive mining. 金属矿地下开采过程中,采场顶板稳定是矿山正常、高效回采的前提。
- The result indicates the parameter of underground mine abide by some probability distribution. 结果表明,井下生产的一些参数各服从于某种概率分布。
- Based on analysis of underground mine car transport system of mining level,a queueing system model of the closedloop transport system M/M/n/m is developed. 本文分析了矿井开采水平的矿车运输系统,进而建立了运输系统的闭合式排队模型 M/M/n/m。
- The balance of original rockstress was destroyed, wall rock was metamorphosed and displaced, and even havelarge acreage movement in the course of underground mining. 在进行地下开采过程中,原岩应力平衡遭到破坏,围岩发生变形、移动,甚至产生大面积移动。
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- He is callous about the safety of his workers. 他对他工人的安全毫不关心。
- The selection of underground mining methods requires an exact determination of weight coefficients of various influent factors and the existing selection methods haven't solved the problem. 地下采矿方法的选择需要能准确给出各影响因素的权重系数，目前的选择方法未能很好地解决该问题。
- This paper offers some propositions relating to the interogations and discussions dealing with the conceptions, classifications,nomenclature of underground mining methods of metalliferous deposit. 就与金属矿床地下采矿方法有关的一些概念、分类、命名等问题提出了质疑和讨论性的意见。
- Based on the analysis principles of engineering geomechanics of rock mass, the paper mainly studies the changing features of rock slope movement under the influence of underground mining. 本文以岩体工程地质力学分析原理为基础,主要研究了井工开采影响下,其上方边坡岩体的运动变化特征。
- Directing to the complexity and variety of underground mining engineering and consulting the study on surface movement of the westen region of Chengchao Iron Mine, the integrated predicting schem... 针对复杂多变的地下工程问题,结合程潮铁矿西区地表移动研究,提出了根据工程类比、数值分析与现场监测三者相结合的参数修正与预测技术路线,并研究和开发了“地下采动岩层移动预测系统”。
- The safety of the ship is the captain's responsibility. 确保船只的安全是船长的责任。
- Two-dimensional and three-dimensional FEM are applied to evaluate the hazard potential of underground mined caverns to the highway on their above ground. 应用二维及三维有限单元法对某高速公路下伏-多层倾斜复杂地质条件老采空区的变形与稳定性进行了数值模拟。
- The safety of the boat and crew becomes paramount. 保住潜艇和全艇人员的安全是当务之急。
- I fear for the safety of those mountain climber in this sudden bad weather. 在这突如其来的坏天气里我真担心那些登山队员们的安全。
- We are concerned about the safety of the public. 我们关心市民大众的生命安全。
- method of underground mine development 矿山地下开拓方法
