Hole sealing device for assisting carbon dioxide phase change blasting fracturing von ZHANG MIN, ZHAO LIANG, LIU JIE, HU YANG, BU SHOUJIAN, YAN JUNZHENG, GENG LITAO, ZHANG WEI, ZHU LEI, XU KUN

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Method for determining reasonable distance of working face mining roadway advanced reinforcing support von XIE KAIDI, ZHANG YANDONG, WANG TIANYI, BU SHOUJIAN, ZHANG WEI, SUO ZHILIANG

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Portable press-in type grouting equipment for hard rock expansion fracturing von XU YA, YANG FEILI, LU BINGWEN, ZHAO LIANG, LI HONGGUANG, BU SHOUJIAN, CAO LINCHAO, ZHANG WEI, CHEN DAYONG

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Method for increasing particle size of raw coal mixed gangue based on carbon dioxide phase change blasting technology von LIU JINGBO, GUO QINGJIE, LU BINGWEN, ZHAO LIANG, LIU JIE, HU YANG, BU SHOUJIAN, ZHANG WEI, GENG LITAO, XU KUN, WANG YAN

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Hard rock directional fracturing method under hydraulic fracturing-carbon dioxide phase change coupling von LIU JINGBO, GUO QINGJIE, LU BINGWEN, ZHAO LIANG, LIU JIE, HU YANG, BU SHOUJIAN, ZHANG WEI, GENG LITAO, ZHU LEI, XU KUN

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Testing device and method for coal rock mass grouting von LI JUANJUAN, WANG YUHAO, GUO JIAWEI, ZHANG YANDONG, WANG TIANYI, BU SHOUJIAN, ZHANG WEI, SUO ZHILIANG

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Reusable static rock breaking efficient heat conduction hole sealing device von ZHOU FENG, GUO QINGJIE, LU BINGWEN, ZHAO LIANG, ZHU HAORAN, XU JIZHAO, BU SHOUJIAN, GENG LITAO, ZHANG WEI, XU KUN, YANG FENG

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Reusable static rock breaking efficient heat conduction hole sealing device von ZHOU FENG, GUO QINGJIE, LU BINGWEN, ZHAO LIANG, ZHU HAORAN, XU JIZHAO, BU SHOUJIAN, GENG LITAO, ZHANG WEI, XU KUN, YANG FENG

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Automatic dip-coating leveling device for sand cores von ZHANG SHOUJIAN, YU TONGCHUN, BU ZHENG, LIN HAORAN, ZHAO JIAN, ZHANG YUQIAO, ZHANG XIAOTIAN, ZHANG YUXIU

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