Effect of chemical structure of lignite and high-volatile bituminous coal on the generation of biogenic coalbed methane von Shao, Pei, Wang, Aikuan, Wang, Wenfeng

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Biogenic gas generation effects on anthracite molecular structure and pore structure von WANG, Aikuan, SHAO, Pei, WANG, Qinghui

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Simulation of biogenic coalbed gas from anthracite in the south of Qinshui Basin, China von Wang, Aikuan, Wang, Qinghui, Shao, Pei, Fu, Tian, Cao, Moran

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Geochemical characteristics and microbial populations of Neogene brown coal from Zhaotong Basin, China von Wang, Aikuan, Qin, Yong, Lan, Fengjuan

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Influences of different substrates on simulated lignite biogas production von Wang, Aikuan, Qin, Yong, Shao, Pei

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Experimental simulation of biogenic coalbed gas generation from lignite and high-volatile bituminous coals von Shao, Pei, Wang, Aikuan, Wang, Wenfeng

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Effects of Organic Maceral on Biogenic Coalbed Gas Generation from Bituminous Coal von Wang, Aikuan, Shao, Pei

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Geochemical anomaly and the causes of transition metal accumulations in late Permian coal from the eastern Yunnan-western Guizhou region von Wu, Yanyan, Qin, Yong, Wang, Aikuan, Shen, Jian

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Abnormal Concentration and Origin of Heavy Hydrocarbon in Upper Permian Coal Seams from Enhong Syncline, Yunnan, China von 兰风娟 秦勇 李明 林玉成 王爱宽 申建

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Influences of different substrates on simulated lignite biogas production von Wang Aikuan, Qin Yong, Shao Pei

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Organic chemicals in coal available to microbes to produce biogenic coalbed methane: A review of current knowledge von Wang, Aikuan, Shao, Pei, Lan, Fengjuan, Jin, Hui

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The origin of high and variable concentrations of heavy hydrocarbon gases in coal from the Enhong syncline of Yunnan, China von Lan, Fengjuan, Qin, Yong, Wang, Aikuan, Li, Ming, Wang, Geoff

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status of research on biogenic coalbed gas generation mechanisms von WANG, Aikuan, QIN, Yong, WU, Yanyan, WANG, Baowen

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Effects of perchloroethylene soil pollution on soil enzyme activities von Shan Aiqin, Wang Aikuan, Cai Jing, Li Haihua, Tao Honglin

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The oil drilling is with preventer in the whole case on-off drilling tool von WU TIANQIAN, WANG AIKUAN, TIAN XIANGLU, ZHU HUAIJUN

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Top driving safety valve protecting joint for petroleum drilling von WU TIANQIAN, WANG AIKUAN, LI GUANGQUAN, TIAN XIANGLU, ZHU HUAIJUN

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Petroleum drilling top drive safety valve protecting joint von WU TIANQIAN, WANG AIKUAN, LI GUANGQUAN, TIAN XIANGLU, ZHU HUAIJUN

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Arrow formula drilling tool floating valve for oil drilling von WANG AIKUAN, WANG YUSHENG, TIAN XIANGLU, ZHU HUAIJUN, WANG ZIMIN

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Petroleum drilling arrow-type drill float valve von WANG AIKUAN, WANG YUSHENG, TIAN XIANGLU, ZHU HUAIJUN, WANG ZIMIN

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Mud pulser for oil drilling von WANG AIKUAN, TIAN XIANGLU, ZHU HUAIJUN, TIAN XIANGYUAN

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