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- NEW ROCK BURST PRONENESS INDEX 一种新的岩爆倾向性指标
- Rock burst in deep level is one of the major problems troubling the mining process.Prediction of rock burst proneness requires comprehensive analysis of multiple factors. 深部矿岩岩爆问题是困扰采矿过程的主要问题之一,预测岩爆倾向需要综合分析多个影响因素。
- Keywords rock burst;proneness index;energy accumulation;energy dissipation; 岩爆;倾向性指标;能量储存;能量耗散;
- Fuzzy Identification of Rock Burst Proneness in Deep Level 深部矿岩岩爆倾向性的模糊识别
- Keywords Rock burst proneness;Indirect fuzzy identification method;Appropinquity degree; 岩爆倾向性;模糊识别间接法;贴近度;
- The now sound of this new rock band. 这支新摇滚乐队的流行乐曲
- rock burst proneness 岩爆倾向性
- No,I mean new rock,jazz and the like. 不是。我是指新摇滚乐和爵士乐之类的音乐。
- Comedy is the new rock and roll. 现代摇滚乐滑稽有趣。
- No, I mean new rock, jazz and the like. 不是。我是指新摇滚乐和爵士乐之类的音乐。
- So, EME can be applied to forecast the rock burst in coal mine. 研究表明,电磁辐射基本上随著加载及变形速率的增加而增强;
- His first album helped established him as a new rock 'n roll star. 他凭借第一张专辑成为摇滚新星。
- Beside this,the paper also discussed the reason why rock burst easily happened aro... 分析了煤岩层摩擦滑动的基本形式,探讨了粘滑的产生机理,并以此解释冲击地压的发生机理。
- Finally, assessing the rank of the danger of rock burst applying the EME was introduced by an example. 通过实例介绍了电磁辐射法评定煤矿冲击矿压危险等级的应用情况。
- With the increase of mining depth,the possibility for rock burst increases correspondently. 随着煤矿开采深度的增加,冲击地压危险越来越大,已成为严重威胁矿井安全生产的主要灾害。
- Charley sure gave us a bad recommendation when he said that new rock group from England is so great. 查理向我们推荐说,那个从英国来的新的摇滚乐乐队简直是太好了。他的推荐实在是个错误。
- The computed result indicates the acceleration curve and the speed curve appears change suddenly in the rock burst. 计算结果表明,发生岩爆时,巷道围岩的速度曲线和加速度曲线出现突变。
- Investigating valley stress field is of importance to the researches on mechanism and prediction of rock burst. 深入研究沟谷应力场的一般规律对于岩爆机理和岩爆预测研究是重要的。
- The rock burst break intensity will be stronger with the increasing of excavating depth. 随采深增加,岩爆的烈度等级加大。岩爆的发生存在一个临界深度。
- With the fractal geometry theory, this paper puts forward a new rock drillability testing method by selecting detritus from bottom hole as object. 利用分形几何理论,研究了钻井过程中岩石破碎机理及形成过程,提出了一种以井底返出的岩屑为对象的岩石可钻性测试方法。