Methyl N-dodecyl acetimidate and synthesis method thereof
WANG FAN, HOU QINGFENG, XU YAN, ZHAO YUJUN, CUI XIAODONG, GUO DONGHONG
Year of Publication 15.12.2017
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Year of Publication 15.12.2017
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Steel wire rope connector for well drilling
WANG HONGCHEN, CAO JIANGTAO, HOU QINGFENG, CHEN KAI, WEI BIN, ZHANG XIAOLIANG, YAO CHENGLONG, CUI HONGYUAN, DONG GUOHAI, HE XIANGBIAO, SUI YONG, DONG JINBO
Year of Publication 01.11.2019
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Year of Publication 01.11.2019
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Drilling rod screw thread belt cleaning device
WANG HONGCHEN, PAN YUEMING, JIA XUEZHI, ZHANG JIPING, HOU QINGFENG, SUN CHANGZHENG, YUAN ZANBING, GAN ZENGGUO, CHENG QIANG
Year of Publication 03.08.2018
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Year of Publication 03.08.2018
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Pipe column screw thread automatic cleaning and oiling device
ZHANG JIPING, HOU QINGFENG, LIU XIAODONG, YUAN ZANBING, WU SHUIHUA, WANG HONG, FANG YUNLONG, LIANG CHUANTAO, PAN YUEMING, HOU XIANBO, HAN FENGMEI, ZHOU CHANGXU, LIU HUIBIN
Year of Publication 21.05.2019
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Year of Publication 21.05.2019
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System for comprehensive preparation of commercial grease and organic fertilizer from dead livestock and kitchen wastes
WANG YUNDI, REN WEIFANG, LI AIHONG, HOU QINGFENG, WEI GUANJIE, ZHANG GONGMIN, ZHOU DONGSHENG, ZHANG XIAOHUI, LIU HAO, WANG XINQIAO, FENG JIANZHONG, YANG MINGSHUAI, HAN CHAOYANG, QU GUANGHUI
Year of Publication 07.01.2015
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Year of Publication 07.01.2015
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Clean system of rig floor drilling fluid
CHANG LING, DAI YONGBO, HOU QINGFENG, LIAN QIN, LI JUNLING, TIAN YOUMIN, GAN ZENGGUO
Year of Publication 22.02.2017
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Year of Publication 22.02.2017
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Synthesizing and separating method for N'-(4-alkyl phenyl)-N, N-dimethylamidine
SUN JIANFENG, HOU QINGFENG, LIU QIANG, XU YAN, WU CHENGUANG, ZHENG XIAOBO, ZHAO YUJUN, CUI XIAODONG, GUO DONGHONG, WANG YUANYUAN, YANG XIAOPENG
Year of Publication 12.02.2019
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Year of Publication 12.02.2019
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Superparamagnetic nanometer magnetic beads, preparation method of superparamagnetic nanometer magnetic beads and application of controllable emulsifying/demulsifying properties
YANG HUI, LI HUI, CHEN GANG, HOU QINGFENG, ZHENG XIAOBO, HU GUANGXIN, ZHANG WEI, WANG ZHE, GUO DONGHONG, WANG SHUJUAN
Year of Publication 28.12.2018
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Year of Publication 28.12.2018
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Radioactivity measurement device and radioactivity measurement method
WANG GUANGXI, MAO XIN, LAI WANCHANG, HOU QINGFENG, GE LIANGQUAN, ZHAI JUAN, CHENG FENG, LI DAN, QIU YUANFA, GUO YINGLEI
Year of Publication 21.12.2018
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Year of Publication 21.12.2018
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Experimental device of liquid magnetic sensitive material
YANG HUI, SUN JIANFENG, HOU QINGFENG, ZHENG XIAOBO, HU GUANGXIN, CUI XIAODONG, WANG ZHE, GUO DONGHONG, WANG SHUJUAN, WANG YUANYUAN, YANG XIAOPENG
Year of Publication 04.12.2018
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Year of Publication 04.12.2018
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Differential mechanism dismouting loop wheel machine
PAN YUEMING, ZHANG JIPING, LIU WEI, HOU QINGFENG, LU YONG, GU ZHENGHUI, JIANG JIANING, YANG JINYI, SHI TONGYUAN, YANG YONGJUN
Year of Publication 30.11.2018
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Year of Publication 30.11.2018
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Methyl-diperfluorodecyl silicon-polyethoxyl-sodium benzenesulfonate poly-compound, preparation method and application thereof
MO HONG, HE LEI, ZHAO YUE, HOU QINGFENG, JIN RUI, ZHANG JUN, YANG ZHONGBIN, FENG FULING, WANG DAWEI, SHEN JIAN, FU LEI
Year of Publication 23.10.2018
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Year of Publication 23.10.2018
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Dimethyl-monoperfluorodecyl silicon-polyethoxyl-stearate poly-compound, preparation method and application thereof
MO HONG, ZHAO YUE, HE LEI, HOU QINGFENG, JIN RUI, ZHANG JUN, YANG ZHONGBIN, FENG FULING, WANG DAWEI, SHEN JIAN, FU LEI
Year of Publication 23.10.2018
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Year of Publication 23.10.2018
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Technology for preparing bio-organic fertilizer through aquaculture waste and forestry and agricultural waste in sealed and aerobiotic mode
LI WENBO, SONG ZHONGZHOU, HOU QINGFENG, WEI GUANJIE, WANG JIANWEI, ZHANG GONGMIN, ZHOU DONGSHENG, GUO JIANTAO, LIU HAO, ZHANG YUANRUO, FENG JIANZHONG, ZHANG JING, LI XIANWEI, AI YONGLI, HUO WANYI, DING HAO, QU GUANGHUI, SANG YOUCHENG
Year of Publication 22.07.2015
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Year of Publication 22.07.2015
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Methyl-biperfluor decyl silicon-polyethyoxyl-stearate multi-element compound as well as preparation method and application thereof
MO HONG, ZHAO YUE, HE LEI, HOU QINGFENG, JIN RUI, ZHANG JUN, YANG ZHONGBIN, FENG FULING, WANG DAWEI, SHEN JIAN, FU LEI
Year of Publication 19.10.2018
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Year of Publication 19.10.2018
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Airtight aerobic production process of bio-organic fertilizer by municipal sludge or kitchen biogas residues
LI WENBO, SONG ZHONGZHOU, HOU QINGFENG, WEI GUANJIE, WANG JIANWEI, ZHANG GONGMIN, ZHOU DONGSHENG, GUO JIANTAO, LIU HAO, ZHANG YUANRUO, FENG JIANZHONG, ZHANG JING, LI XIANWEI, AI YONGLI, HUO WANYI, DING HAO, QU GUANGHUI, SANG YOUCHENG
Year of Publication 15.07.2015
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Year of Publication 15.07.2015
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Bridge guardrail template removing device
YUAN GAOMING, WANG XIN, LIU WEI, HOU QINGFENG, LI HAIYAN, LIU YANXIONG, LI ZHIJIE, WU TAO, YUAN HANLUN, HE HAI, LIU GONG, JIN PAN
Year of Publication 27.09.2019
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Year of Publication 27.09.2019
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Construction method of bridge concrete anti-collision guardrail
YUAN GAOMING, WANG XIN, LIU WEI, HOU QINGFENG, LI HAIYAN, LIU YANXIONG, LI ZHIJIE, WU TAO, YUAN HANLUN, HE HAI, LIU GONG, JIN PAN
Year of Publication 20.09.2019
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Year of Publication 20.09.2019
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