Rotary backfilling device for motor-pumped well filling material von WEN JI, NIE XIANJIANG, GUO SHULONG, JIANG XIN, ZHOU PENG, LIU RU, XUE XINLI, WANG QIANG, ZAI SONGMEI, ZHAO HUI, XIE CHENGCHUN, JIA XIANWU, GUO DONGDONG

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Three-dimensional spraying device and wave-surge type variable spraying and irrigating system with same von WEN JI, CHANG GUOXING, GUO QUNSHAN, NIE XIANJIANG, JIANG XIN, ZHOU PENG, LIU RU, HAN QIMING, WANG QIANG, ZAI SONGMEI, ZHAO HUI, XIE CHENGCHUN, JIA XIANWU, WU GUOHUA, WANG FUZENG

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Rapid screening and determination of 11 new psychoactive substances by direct analysis in real time mass spectrometry and liquid chromatography/quadrupole time-of-flight mass spect... von Nie, Honggang, Li, Xianjiang, Hua, Zhendong, Pan, Wei, Bai, Yanping, Fu, Xiaofang

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Interface for Online Coupling of Surface Plasmon Resonance to Direct Analysis in Real Time Mass Spectrometry von Zhang, Yiding, Li, Xianjiang, Nie, Honggang, Yang, Li, Li, Ze, Bai, Yu, Niu, Li, Song, Daqian, Liu, Huwei

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Monolith dip-it: a bifunctional device for improving the sensitivity of direct analysis in real time mass spectrometry von Li, Xianjiang, Li, Ze, Wang, Xin, Nie, Honggang, Zhang, Yiding, Bai, Yu, Liu, Huwei

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Oil cylinder rod head knuckle bearing structure capable of being quickly disassembled and assembled von NIE LONGHUA, CHEN SONG, SHUAI YUHUA, JIANG XIANJIANG

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Gravelly soil core wall material density detection equipment based on additional mass method von MA SHENGMIN, NIE WEI, MA QI, ZHU WEIXI, TAN XIANJIANG, HU CUNBAO, WANG FENG, LI DEKUAN

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Building pile driver with adjustable rotation type von LUO XIANJIANG, WANG JIANQIANG, JIAN JUN, NIE SHUNJIN, XIONG XIAOMING

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Two-string thermal recovery wellhead unit von WAN BINGQIAN, JI YONGJUN, ZHAO NAN, XU MINGQIANG, ZHANG JING, JIANG HONG, CHENG HAO, DOU SHENGJUN, ZHANG JUNZHONG, NIE HONGLI, HU JIANPING, CHEN XIANJIANG, XIE SHOUCHANG

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Two-string thermal recovery wellhead unit and two-string cross thereof von WAN BINGQIAN, JI YONGJUN, ZHAO NAN, XU MINGQIANG, ZHANG JING, JIANG HONG, CHENG HAO, DOU SHENGJUN, ZHANG JUNZHONG, HU JIANPING, NIE HONGLI, CHEN XIANJIANG, XIE SHOUCHANG

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Two-pipe thermal recovery wellhead device and two-pipe cross tee thereof von WAN BINGQIAN, JI YONGJUN, ZHAO NAN, XU MINGQIANG, ZHANG JING, JIANG HONG, CHENG HAO, DOU SHENGJUN, ZHANG JUNZHONG, HU JIANPING, NIE HONGLI, CHEN XIANJIANG, XIE SHOUCHANG

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Two-pipe thermal recovery wellhead device von WAN BINGQIAN, JI YONGJUN, ZHAO NAN, XU MINGQIANG, ZHANG JING, JIANG HONG, CHENG HAO, DOU SHENGJUN, ZHANG JUNZHONG, NIE HONGLI, HU JIANPING, CHEN XIANJIANG, XIE SHOUCHANG

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