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      煤岩
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  coal
    Cause and prevention of upper coal bump of auxiliary blind shaft on the-412m horizon in Xin Zhangzi Coal Mine
    新庄孜煤矿—412m水平暗副立井上部车场煤岩突出的原因及防治
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    REGULARITY AND PREVENTION TECHNIQUES OF COAL AND CO_2 OUTBURST
    煤岩与CO_2突出特征及其预防技术研究
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    Changes and influence of temperature during electromagnetic modification of coal
    煤岩电磁改性过程中温度的变化及其影响
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    Development of Continuous Monitoring Software of Electromagnetic Radiation of Coal or Rock
    煤岩电磁辐射连续监测软件的研制
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    Electromagnetic emission forecasting technology of coal or rock dynamic disasters in mine
    矿井煤岩动力灾害电磁辐射预警技术
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  coal rock
    Analysis of electromagnetic waves propagatingcharacteristic process of coal rock outbursts
    煤岩破裂过程电磁波传播特性的分析
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    Coal and gas outburst is a very complicated dynamic phenomenon of coal rock which contains gas, it can be regarded as a catastrophe behavior of a complicated non-linear dynamic system during its evolving process in space and time, and also be one of the major disasters influencing safe production of coal mine.
    煤与瓦斯突出是含瓦斯煤岩体发生的极其复杂的动力现象,属于复杂非线性动力系统在时空演化过程中的灾变行为,是影响煤矿安全生产的主要灾害之一。
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    Electromagnetic waves propagating characteristic in the process of coal rock outburst is analyzed in theory,which can obtain the power spectrum distribution of electromagnetic emission signal,as well as the relationship with the distance of radiation source.
    从理论上分析了煤岩破裂过程中电磁波的传播特性,得出电磁辐射信号的功率谱分布,及其与辐射源距离的关系.
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    On the basis of fractal theory,the fractal dimension models of surface,volume and block are put out. Fractal dimension of surface density is researched by mea-suring the coal outcrop section of Wuhu Mountain. Furthermore,coal rock is strdied by the pore structre testing.
    根据分形理论建立煤层露头火区裂隙的面密度分维、露头火区煤岩体孔结构分维及块度分维计算模型,现场观测研究煤层露头火区剖面面密度分维,并根据压泵实验结果研究了煤岩样的孔结构分维,与块度分维计算结果进行了比较。
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    When the transient Reyleigh wave prospecting was applied in mining, taking advantage of the frequency dispersion character of Reyleigh wave and the correlation between transmission velocity of Reyleigh wave and physical mechanics property of coal rock, a new predicting technique of coal and gas outburst was developed.
    把瞬态瑞利波勘探法运用在矿山生产中 ,利用平面瑞利波的频散特性 ,根据瑞利波的传播速度与煤岩的物理力学性质具有相关性 ,提出了一种新型的预测煤与瓦斯突出的方法。
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  coal-rock
    The article describes the theory and technology on gas extraction to relief underground pressure in high gassy Huainan mining area, on control of surrounding rocks in loose and soft coal-rock roadway and also the ideal and technology for underground mine design in high gassy complicated geological condition, it introduces the main results achieved in safety and high effective extraction and comprehensive utilization in Huainan Mine Group and economic and social benefits obtained.
    阐述了高瓦斯含量的淮南矿区卸压开采抽采瓦斯理论与技术、松软煤岩巷道围岩控制理论与技术和高瓦斯复杂地质条件下矿井设计的理念与技术,介绍了淮南矿业集团在瓦斯安全高效开采及综合利用领域的主要成果及其取得的经济效益和社会效益。
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    Study on the Influence of Coal-rock's Thermal Breakage
    煤岩热破坏对露头火灾的影响研究
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    Aretical discussion of retationship between penetrate-rate of coal-rock and breaking out of coal and gas
    煤岩渗透率与煤与瓦斯突出关系理论探讨
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    NUMERICAL SIMULATION OF COUPLED GAS FLOW IN FAILURE PROCESS OF GASSY COAL-ROCK
    含瓦斯煤岩破裂过程流固耦合数值模拟
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    Technology of Coal-Rock Mass Hydraulic Fracture Weakening and Its Development
    煤岩体水力致裂弱化技术及其进展
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  “煤岩”译为未确定词的双语例句
    Numerical Simulation of Outburst Process of Gas-coal and Rock
    含瓦斯煤岩突出过程数值模拟
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    NUMERICAL SIMULATION OF HYDRAULIC FRACTURE IN LOW PERMEABLE COAL AND ROCK MASS
    低渗透煤岩体水力压裂的数值模拟
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    STUDY ON ELECTRICAL PROPERTIES OF ROCK-COAL POROUS MEDIA WITH GAS
    煤岩多孔介质及其充瓦斯后的电特性研究
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    Research on Overlying Rock-Coal Failure and Deformation Caused by Mining Protecting Strata, and Relieved Methane Drainage
    下保护层开采上覆煤岩变形与卸压瓦斯抽采研究
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    Relationship between hydrogen and the helium has specified regular pattern.
    突出过程中煤岩释放氢气和氦气的潜力可能发生重要变化;
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  coal
       An extra-thick high-quality brown coal was found to have accumulated in the Xianfeng basin in Yunnan Province, China.
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       Permo-Carboniferous coal measures in the Qinshui basin: Lithofacies paleogeography and its control on coal accumulation
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       The Taiyuan Formation is composed of limestones, aluminous mudstones, siltstones, silty mudstones, sandstones, and mineable coal seams, with a total thickness varying from 44.9 m to 193.48 m.
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       The coal seams have a thickness ranging between 0.10 and 16.89 m, averaging 7.19 m.
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       Coal is relatively thick in the northern part and the southeastern corner.
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  coal rock
       Coal mine operations generally occur in stratified layers where avoiding cutting into rock layers beyond the coal-rock surface is important.
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       They may also possibly contain some fragments of non-coal rock derived from contamination of the mined product by roof or floor strata.
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         The gas outburst of Wangying shaft is enhanced with the depth increase,and it has selectivity to the zone and seam. As usual, most of the gas bursts out in free static storage state, at the same time,the coal bursts out too. Drilling and setting out gas under the shaft is a usef,safety and economic method.
            王营煤矿瓦斯突出随深度而增多、增强;具有地段、层位分布特性;一般以游离瓦斯突出为主,同时伴随煤岩突出.采取井下钻探释放的方式防治瓦斯突出,同时瓦斯抽放与利用也是解决瓦斯突出的既安全又经济的措施.
文摘来源
         A mathematical model to simulate crack′s fracturing and propagating in low permeable coal and rock mass due to hydraulic facture in conjunction with solidliquid coupled interaction have been set up and puts forward its numerical solution. By the example of water injection into low permeable No3 coal seam of Wangzhuang Mine, Luan Mining Bureau,the calculation results indicate that in the process of hydraulic fracture the crack′s width does not increase infinitely with the increase of water pressure and the...
            建立了模拟低渗透煤岩体水力压裂裂纹断裂扩展以及固液耦合作用的数学模型,并推导了该模型的数值解法.通过潞安矿务局王庄煤矿低渗透性3号煤层注水的实例分析,结果表明:水力压裂过程中,裂缝的宽度不随水压升高而无限增大,所需的扩缝压力随裂缝增长而降低,这对于提高低渗透性煤岩体水力压裂的效果有重要的指导意义.
文摘来源
         By research on the macrocoal rock,microcoal rock,its reflectance and pores characteristics,the paper analyses the features of enrichment of coal bed gas in Hancheng coal area.It has directing significance for extraction and utilization of coal bed gas.
            通过研究韩城矿区宏观煤岩、显微煤岩煤岩反射率及孔隙特征,分析了该区煤层气富集特性,对煤层气的开采抽放利用具有指导意义。
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