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- Methods of Lost Gas Calculation of Coal Sample? 煤样逸散气量的求取方法?
- In this work, measurements of coal swelling and permeability change were conducted on a coal sample from Bulli seam, Australia. 本文测量了一种澳大利亚煤的膨胀率以及相应的渗透率的变化。
- In this paper,the electrical conductivity of coal samples collected from Nantong colliery were studied. 用南桐煤田煤样研究了煤的导电性，并初步探讨了煤的导电性与煤大分子结构的关系。
- The higher the content of inertinite in coal samples, the higher the CO2-reactivity of gasification. 总的来看,煤中的惰质组含量高,有利于煤焦的气化反应,当煤中的镜质组含量处在某一范围内,煤焦的C仇反应性很差。
- The testing research about enhancing permeability rate by hydraulic cutting seam on outsize coal sample is introduced. 介绍了特大煤样采用水力割缝提高瓦斯渗透率的实验研究。
- The mass and the quantity of oxygen physisorption of the coal sample were measured before and after each heating experiment. 在每一次加热前后都测量煤样的质量，以及进行对氧气的物理吸附实验。
- It is found that the relative abundances of dibenzofuran series are higher in the coal samples，but lower in the lacustrine mudstone samples. 研究发现，氧芴系列化合物在煤岩样品中丰度高,在湖相泥岩样品中丰度低。
- This paper researches the fractal of the scanning electron micrograph of coal samples by Discrete Fractal Brownian Increment Random Field(DFBIR). 本文采用离散分形布朗增量随机场（DFBIR）模型对煤样微观结构的显微图像做了分形定量研究。
- The determined result differences of the caking index of the same coal sample under different test conditions are discussed. 探讨了不同试验条件下同一煤样粘结指数测定结果的差异。
- By tropic analysing logging data and the coal sample gas content analysed in the laborary ,producing the tropic equation. 将测井资料与实验室分析出的煤样瓦斯含量进行回归分析,建立回归方程。
- In order to guarantee the representation of coal samples,in the process of coal sampling,operation behavior should be normalized. 为了保证煤炭样品的代表性,在煤样采制过程中,必须规范操作行为。
- The damage of six suractants of different kind to permeabilities of 17 coal samples of 2 mines is investigated experimentally. 考察了6种不同类型的表面活性剂对两个矿区17个煤样渗透率的损害。
- Five Late Triassic coal samples collected from Changhebian mine,Chongqing were characterized through a petrographic and geochemical investigation. 运用煤岩学和地球化学的理论和方法,对重庆长河碥矿晚三叠世须家河组煤中微量元素进行了研究。
- The agreement between the coalbed coal quality parameters predicted by the interpretation model and those determined by the coal sample laborato... 实际解释结果表明，解释模型估算的煤质参数与煤样实验室分析的煤质参数之间一致性好，解释精度高。
- Pore diameter in coal samples, its cubage and surface area at different temperatures and mercury press acting on the pores were measured by mercury porosimetry method. 摘要采用压汞法技术定量测定了在不同温度与压力下煤样的孔径、孔容积与煤的表面积的值；
- Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity &time is opened out. 通过大煤样的瓦斯排放试验研究,揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
- Aimed at the characteristic of discreteness of the coal sample, pulse-penetrating method is used to measure the acoustic wave speed and the strength test is finished on MTS815. 采用超声脉冲穿透法测量煤样波速并进行岩石力学试验,回归分析得出了煤岩试件声速与其力学参数之间的关系式,为尽可能避免因煤样离散性而带来的盲目试验提供了一条技术途径。
- The analysis indicates that the interior change of coal sample mainly leads to the synchronous and coherent variations of coal mass and oxygen physisorption. 分析表明，煤样内部的氧化变化是导致其质量和吸附氧气量发生同步、一致变化的根本原因。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility. 工作面煤样和顶板冲击倾向性测试结果表明,该煤层属于高冲击倾向性煤层,具有发生冲击矿压的能力。
