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- It is indispensability of overburden failure law for mining under buildings, water bodies and railways, especially mining under water bodies. 覆岩破坏规律探测是“三下”采煤,尤其是水体下采煤不可缺少的部分。
- The overburden failure causes the changes of the constant electric field,and the resistivity is the main parameter in these changes. 覆岩破坏引起稳态电场特征发生变化,其主要变化的电性参数是电阻率。
- The paper discussed the measures about the exploration of overburden failure law systematically, and estimating the principle and the application condition. 系统地论述了覆岩破坏规律探测技术的多种手段,并对其原理和适用条件进行了综合评价。
- The study results of this dissertation have important significance and expanding applied values on the theory study of overburden failure mechanism and the engineering practice. 本文的研究成果无论是对覆岩破坏的理论研究还是工程实践都具有重要意义和推广价值。
- The testing results show that the model can calculate overburden failure height accurately, accordingly this paper finds a new technology to calculate the Released Range of Adjacent Seams. 检验及预测结果表明,该模型能够较准确地预测覆岩的破坏高度,从而为邻近层卸压范围的预测提供了一条新的技术途径。
- Discussed rock mass gravity collapse mechanism caused by under ground and overburden failure and surface settlement disaster, offered some underground mining and surface protective measures. 论述了地下矿层开采引起的岩体重力变形机理和造成的覆岩破坏、地表沉陷等灾害,提出了井下开采和井上防护的技术措施。
- Bore hole survey method for overburden failure 覆岩破坏的钻孔观测方法
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。
- He was bewailing his failure in the examination. 他为考试不及格而悲伤。
- She was constantly spurred on by a fear of failure. 对失败的恐惧不断地激励着她。
- He was stripped down for his failure in the exam. 他考试不及格受到严厉责骂。
- The failure of the plan was laid at his door. 这个计划失败被归罪于他。
- His plan was foredoomed to failure. 他的计画注定要失败。
- He ascribed his failure to bad luck. 他把失败归于运气不佳。
- He felt miserable about his failure. 他对自己的失败感到悲哀。
- The travel company's failure bust up my holiday. 旅游公司的失误使我的假日泡汤了。
- Failure is the only highroad to success. 失败是通往成功的唯一之路。
- His foolish behavior led to his eventual failure. 他的愚蠢行为导致了他最后的失败。
- It was evident that the policy was a failure. 显然这项政策是失败的。