The prevention of quake produced by coal and rock break is a worldwide problem.
煤岩破裂产生震动的防治是世界性一大难题。
This provides theory foundation for the actual application of the coal and rock failure monitoring.
从而为煤、岩体破坏检测的实际应用提供了理论基础。
The identification of the coal and rock interface would be one of the keys to have an unmanned coal mining.
煤岩界面识别是实现无人采煤的关键技术之一。
As a result, the damaging creep characteristics study of coal and rock material has a great theoretical significance.
因此，研究煤岩材料的蠕变损伤特性，具有重要的理论意义。
Then the relation between the UCS of coal and rock blocks and the critical load of the penetrating needle is determined.
然后确定煤岩块单轴抗压强度与探针临界载荷的关系。
The borehole penetrating method can rapidly and accurately test the uniaxial compressive strength (UCS) of coal and rock mass.
基于钻孔触探法原理，开发出小孔径井下煤岩体强度测定装置。
The results show that creep law of fractured sandstone is similar to those of the general creep characteristics of coal and rock.
试验结果表明，破裂砂岩失稳蠕变过程与煤岩一般的蠕变规律相似；
This paper introduced the characteristics of thermal breakage of coal and rock, and analyzed its mechanism on coal spontaneous combustion.
论述了煤体与岩体的受热破坏特性，对露头煤层自燃火灾中煤岩体的热破坏机制进行了定性分析。
Under experimental deformation conditions, crack and microcrack are the primary characteristics of the deformation of the coal and rock performance.
在实验变形条件下，煤岩主体的变形表现以破裂与微破裂作用为主。
The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough.
冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
Surface miner simulative tests on the basis analogue theory is analyzed in this paper. Analogue principle of the drum-coal and rock system is set up.
用相似原理对露天采煤机模拟试验进行了理论分析，建立了滚筒—煤岩系统的相似准则。
Automatic lifting of shearer drum is one of key techniques of coal face automation, and its core is identification technique of coal and rock interface.
滚筒自动调高是实现采煤工作面自动化的关键技术之一，其核心是煤岩分界识别技术。
An important characteristic of instability failure of coal and rock which is subjected to external loadings is that its deformation possesses property of strain softening.
煤岩体在外载荷作用下发生失稳破坏时的一个重要性质就是其变形具有应变软化的特征。
The seam bumping is a coal and rock dynamic disaster. The disaster with a sudden, serious and strong failure features has brought serious dangers to mine safety production.
冲击矿压作为煤岩动力灾害，以其突然、急剧、猛烈的破坏为特征给煤矿安全生产带来严重威胁。
The numerical analogy has been adopted to study the mechanic features influencing stress distribution in coal and rock around the roadway in order to control rock burst disasters.
为了治理冲击矿压灾害，采用数值模拟方法研究了井巷周围煤岩体的力学特性对应力分布的影响。
This paper discusses test and determination of the predicting formula for cutting resistance cf coal and rock and be referred to use for design calculation of bucket wheel excavator.
介绍煤岩切割阻力试验和预测公式，以供轮斗挖掘机设计计算使用和参考。
The shape and energy distribution of direct wave is mainly influenced by drift, while the energy distribution of reflected wave is influenced mainly by the interface between coal and rock.
巷道对各道直达波能量分布及波列形状有明显影响；煤岩分界面主要影响反射波能量分布。
The Open Pit Coal Mine truck optimal dispatching decision method is discussed in details in the article, the shortest route model, coal and rock goods current allocation model are built up.
本文详细讨论了露天矿卡车优化调度的决策方法，建立了最短路网络模型，煤岩货流分配模型。
According to the results, the composite model is advised to evaluate the bursting liability of coal or rock, considering the characters of frame and cover in point of the layer of coal and rock.
同时考虑到实际煤岩层结构特点与覆存特性，建议采用组合模型来评价煤岩冲击倾向性。
With the single axial loading system and the infrared hot image technology, a probing test research on infrared radiation changes of the coal and rock deformation in Shanxi Shuiyu Mine was conducted.
利用单轴加载系统和红外热成像技术，对山西水峪矿的煤岩变形过程中的红外辐射变化进行了探测试验研究。
U screw conveyor is suitable for conveying various powder, granulated and small lump materials, such as flour, corn, sand pulverized coal, cement, and all kinds of small pieces of coal and rock, etc.
型螺旋输送机适用于输送各种粉状，粒状及小块状物料，如面粉，谷物，砂土煤粉，水泥，及各类小块的煤和石子等。
The results show that ANN can be used to effectively predict the electromagnetic radiation and acoustic emission signals so as to provide reliable data for judging the state of coal and rock failure.
研究结果表明，采用神经网络可以有效预测电磁辐射和声发射信号，为判定煤岩变形破裂状态提供依据。
He could sense the right place to hit so that the rock crust would cleave and reveal the coal, in the same way that a sculptor can sense exactly where to hammer a chisel into a stone.
他可以感觉到正确的敲击位置，这样岩石的外壳就会裂开显出煤矿，正如雕塑家可以精确知道在石头的什么位置而用凿子敲击一样。
Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.
煤矿生产中存在着大量的动力扰动，常导致采矿巷道和采场围岩局部失稳，诱发冲击矿压发生。
Practice has proved that good effects in the transport of dry cement clinker, limestone, phosphate rock, titanium iron ore, coal and slag materials.
实践证明，在输送水泥熟料、干燥的石灰石、磷矿石、钛铁矿粉、煤和矿渣等物料时效果良好。
This paper introduces condition, coal seam form change, distribute law of rock nature and rock phase, thick coal seam collect conditim in Hegang coal filed.
介绍了鹤岗煤田的地质情况，煤层空间形态变化，岩性、岩相的分布规律和厚煤层聚积条件。
Coal rock can be classified as humic and sapropelic coal.
在煤岩的分类中，有腐殖煤和腐泥煤之分。
On the basis of his theoretical concepts the author suggests some practical methods for the location, prevention and mitigation of rock and coal bursts.
在这些理论概念的基础上，作者提出了一些对岩爆和煤爆进行定位、预测和缓解的实用方法。
As cement, authigenic mineral or vein, dawsonite is found not only in Marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures.
片钠铝石作为胶结物、自生矿物或脉体，不仅分布在海相白云岩、油页岩中，而且还广泛分布在陆源碎屑岩及煤系地层中。
As cement, authigenic mineral or vein, dawsonite is found not only in Marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures.
片钠铝石作为胶结物、自生矿物或脉体，不仅分布在海相白云岩、油页岩中，而且还广泛分布在陆源碎屑岩及煤系地层中。
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