Underground water level exploration device
LI PENGPENG, DONG YAN, QU YUANHUI, YUAN CHAO, LU ZHAOQUN, ZHU GUANGJI, YU MINGGUANG, LIU KAILI, QI XIEQUAN, MENG XIANGXIN, CHENG SHICAI, WANG CHENGCHENG
Year of Publication 20.10.2023
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Year of Publication 20.10.2023
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Drilling tool for shallow drilling
DONG YAN, QU YUANHUI, YUAN CHAO, LU ZHAOQUN, ZHU GUANGJI, YU MINGGUANG, LIU KAILI, QI XIEQUAN, MENG XIANGXIN, CHENG SHICAI, WANG CHENGCHENG
Year of Publication 01.03.2022
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Year of Publication 01.03.2022
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Hole shrinkage preventing buried drill tool for loose stratum drilling
CHEN GANG, DONG YAN, YUAN CHAO, ZHU GUANGJI, ZHANG QIANG, LIU KAILI, QI XIEQUAN, MENG XIANGXIN, CHENG SHICAI
Year of Publication 03.04.2020
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Year of Publication 03.04.2020
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Sampling device for geological mineral exploration
MENG LISHA, DONG YAN, QU YUANHUI, YUAN CHAO, LU ZHAOQUN, ZHU GUANGJI, YU MINGGUANG, LIU KAILI, QI XIEQUAN, MENG XIANGXIN, CHENG SHICAI, WANG CHENGCHENG
Year of Publication 14.01.2022
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Year of Publication 14.01.2022
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Method for checking layering water-stop effect of underground water monitoring well
DONG YAN, LU ZHAOQUN, ZHU GUANGJI, ZHANG QIANG, LIU KAILI, MENG XIANGXIN, DIAO HAIZHONG, CHEN GANG, CHENG HONGZHU, YUAN CHAO, MA MINGGUO, YU MINGGUANG, QI XIEQUAN, CHENG SHICAI, SONG HUIJUN
Year of Publication 20.12.2019
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Year of Publication 20.12.2019
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