Fixed-angle installation method for buffering cannon with controllable directional isolation range in peripheral blast hole
LI SUDAN, YAO TIEJUN, JING JIANJUN, ZHAO LU, YANG JIANGUO, GAO HONGXIA
Year of Publication 30.08.2024
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Year of Publication 30.08.2024
Patent
Underground space directional isolation and non-isolation combined smooth blasting excavation method
LI SUDAN, YAO TIEJUN, JING JIANJUN, ZHAO LU, ZHONG ZHAOFENG, YANG JIANGUO
Year of Publication 30.08.2024
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Year of Publication 30.08.2024
Patent
Buffering gun barrel capable of telescopically controlling directional isolation range and using method
LI SUDAN, TIAN GUOWEN, LI BING, JING JIANJUN, ZHAO LU, ZHONG ZHAOFENG
Year of Publication 30.08.2024
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Year of Publication 30.08.2024
Patent
Novel printing and dyeing production wastewater treatment device
LI XINGJUN, LI SUDAN, REN HAIXIA, GUI MINGWEI, ZHAO YUYAN, CHEN XIULEI
Year of Publication 01.09.2023
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Year of Publication 01.09.2023
Patent
Rural sewage treatment device
LI SUDAN, LI XINGJUN, GUI MINGWEI, ZHAO YUYAN, QI LONGFEI, TAN YONGJIN
Year of Publication 30.06.2023
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Year of Publication 30.06.2023
Patent
Stability combined control method of LCL type grid-connected inverter under weak power grid
LI SUDAN, ZENG CHENGBI, MIAO HONG, DUAN SHUJIANG, WANG HANWEN, ZHU YINJIE, TONG GUANG
Year of Publication 24.12.2021
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Year of Publication 24.12.2021
Patent