Research on trajectory control technology for L-shaped horizontal exploration wells in coalbed methane von Liu, Xiugang, Jiang, Zaibing, Wang, Yi, Mo, Haitao, Li, Haozhe, Guo, Jianlei

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Study on the law of surface subsidence in layered mining of thick coal seam with medium hard roof von Liu, Xiugang, Wei, Fei, Tan, Zhixiang, Jiang, Zaibing, Wang, Yi, Zhang, Jie

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Adsorption and Diffusion Properties of Gas in Nanopores of Kerogen: Insights from Grand Canonical Monte Carlo and Molecular Dynamics Simulations von Xiao, Shouheng, Liu, Xiugang, Li, Yun, Zheng, Qiang, Wang, Ning, Qiao, Yun, Zhang, Youyin, Yi, Chuanjun

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Key drilling technology of L type gas extraction horizontal well through goaf von LIU Xiugang, ZHANG Qiang, CUI Wanhao

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A novel fuzzy-logic based control strategy for a semi-active battery/super-capacitor hybrid energy storage system in vehicular applications von Yu, Yuan bin, Liu, Xiugang, Min, Haitao, Sun, Huanli, Xu, Lichao

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Exploring coal seam wind oxidation zone based on transient electromagnetic method von Zhang WU, Kai ZHANG, Xiongwei LI, Weihua YAO, Zhenzhen ZHANG, Xiugang LIU

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Key technologies for large diameter and long distance through holes drilling in coal mines von Zhenyu GAO, Yi WANG, Xiongwei LI, Xiugang LIU, Yijun HE, Haitao MO, Zhibin LI, Gang BAI

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Prefabricated part connecting joint and supporting structure von LIU XIUGANG

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Quantitative missible oil filling machine von LIU HAILIN, LIU XIUGANG

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Beam plate node template supporting device von LIU XIUGANG

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Fixing structure and prefabricated wall mounting structure von LIU XIUGANG

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Shearing kettle for producing rice insecticide von CHEN XIULI, LIU XIUGANG, LIU HUANHUAN

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Rotary table mechanism with pre-screening function in bottle unscrambler von LIU XIUJIN, JIANG MEIXIANG, LIU XIUGANG, LIU HUANHUAN

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Reverse circulation drilling method for coal bed gas horizontal well to penetrate through goaf von LI PENG, ZHANG JIE, LIU XIUGANG, ZHANG TONG, CHEN TIANZHU, YANG ZHE

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Coal mine underground aperture laser measurement device and method von ZHANG JIE, DUAN HUIJUN, MA DING, WANG YI, LIU XIUGANG, BAI GANG

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Automatic counting method for drill rods von PENG GUANGYU, YAN BIN, DONG HONGBO, LU QIANHAI, LIU XIUGANG, CUI WANHAO, CHEN KUN, ZHANG FAN

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Method for evaluating drilling operation difficulty of coal bed gas multilateral well von LI PENG, ZHANG JIE, HU XINPENG, REN MEIZHOU, LIU XIUGANG, YANG ZHE, WANG LINJIE

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Agricultural pesticide overhead spraying machine von LU LONGYAN, LIU XIUGANG

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Automatic calibration equipment for counter of pluviometer calibrating device von ZOU JUNCHEN, DAI JINQIAO, LIU WENSI, FENG XIN, ZOU BINGWEI, LIU XIUGANG, ZHOU XINGANG, TANIDA TAIRA, YANG JINLONG, LU XINGJIE, CHEN ZHIXUAN

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Rotatable self-guiding multi-branch hole forming drill bit, system and hole forming method von YANG JIANCHAO, WANG HAIJUN, YANG XINHUI, CHENG BIN, LIU XIUGANG, PANG TAO, LI HAOZHE, KANG JAE-BYUNG

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