GENERAL_SOLUTION

作品数:81被引量:106H指数:5
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相关作者:李宁李宁李宁孙文杰王克文更多>>
相关机构:长江大学北京大学中国石油天然气集团公司安徽大学更多>>
相关期刊:《Progress in Natural Science:Materials International》《Analysis in Theory and Applications》《Frontiers of Mathematics in China》《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》更多>>
相关基金:国家自然科学基金国家教育部博士点基金宁波市自然科学基金北京市自然科学基金更多>>
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A general solution and approximation for the diffusion of gas in a spherical coal sample被引量:4
《International Journal of Mining Science and Technology》2014年第3期345-348,共4页Wang Yucang Xue Sheng Xie Jun 
The square root relationship of gas release in the early stage of desorption is widely used to provide a simple and fast estimation of the lost gas in coal mines. However, questions arise as to how the relationship wa...
关键词:Coal content Lost gas Spherical coal sample Gas diffusion APPROXIMATION Error analysis 
Gas diffusion in a cylindrical coal sample – A general solution,approximation and error analyses被引量:12
《International Journal of Mining Science and Technology》2014年第1期69-73,共5页Li Yaobin Xue Sheng Wang Junfeng Wang Yucang Xie Jun 
provided by the Science and Technology Grant of Huainan City of China (No.2013A4001);the Key Research Grant of Shanxi Province of China (No.201303027-1)
The analytical mathematical solutions of gas concentration and fractional gas loss for the diffusion of gas in a cylindrical coal sample were given with detailed mathematical derivations by assuming that the diffusion...
关键词:Gas content Lost gas Gas diffusion Cylindrical coal sample Approximation Error analysis 
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