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检索条件"主题词=longwall panel"
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Simplied Model to Predict Methane Emission From longwall panel Based on Methane Emission Rate
Simplied Model to Predict Methane Emission From Longwall Pan...
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2004安全科学与技术国际会议
作者: LIU Kegong1 WANG Jiacheng1 & QU Fang2 (1 School of Energy & engineering China University of Mining and Technology Beijing 100083 China) (2 School of Metrological Technology & Engineering China Jiliang University Hangzhou 310018 Zhejiang China)
The structure of coal contains both micropores and macropores in which the methane remains as free gas and adsorbed phase. These two phases keep equilibrium and can exchange each other if the balancea
来源: cnki会议 评论
Evaluation of coal pillar loads during longwall extraction using the numerical method and its application
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Journal of Coal Science & Engineering(China) 2013年 第3期19卷 269-275页
作者: Jin-He JIA Hong-Pu KANG Xin-Rong ZHANG Department of Coal Mining and Mine Design Tiandi Science & Technology Co. Ltd. Beijing 100013 China State Key Laboratory of Coal Mining and Clean Utilization China Coal Research Institute Beijing 100013 China Inner Mongolia Yitai Coal Co. Ltd. Erdos 017000 China
It is very difficult to reasonably evaluate the loads acting on coal pillars in longwall panels during the planning of a new pillar system. The application of empirical equations is a common practice in calculating co... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论