Oil tube releasing device
WEI KAI, DONG QIWEI, QI YONG, ZHANG HONGBAO, HE CHUANXING, LI YIYUAN, HA CHANGMING, ZHAO SHUJIE, DU XIAOXUE
Year of Publication 22.04.2015
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Year of Publication 22.04.2015
Patent
Adjustable annular flow injection allocation valve and steam injection string
WANG WEI, WEI KAI, DONG QIWEI, QI YONG, ZHANG YE, LIU ZUHE, ZHANG HONGBAO, HE CHUANXING, ZHAO SHUJIE
Year of Publication 25.02.2015
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Year of Publication 25.02.2015
Patent
Adjustable annular flow injection valve and steam injection string
WANG WEI, WEI KAI, DONG QIWEI, QI YONG, ZHANG YE, LIU ZUHE, ZHANG HONGBAO, HE CHUANXING, ZHAO SHUJIE
Year of Publication 28.01.2015
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Year of Publication 28.01.2015
Patent
Individual quantitative feeding device for poultry farming
DONG QIWEI, LI QINGYUN, YU CHUNLIN, DU HUARUI, DU LONGHUAN, QIU MOHAN, BAI TIANPING, LIU LEI, YANG LI, HU CHENMING, XIA BO, JIANG XIAOSONG, YANG CHAOWU, WU DAN
Year of Publication 07.12.2021
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Year of Publication 07.12.2021
Patent
System for measuring feed conversion ratio of caged poultry
DONG QIWEI, LI QINGYUN, YU CHUNLIN, DU HUARUI, DU LONGHUAN, QIU MOHAN, XIONG XIA, LIU LEI, YANG LI, HU CHENMING, XIA BO, JIANG XIAOSONG, YANG CHAOWU, ZHANG ZENGRONG
Year of Publication 07.12.2021
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Year of Publication 07.12.2021
Patent
Intelligent optical gate and optical path on-off detection method
DONG QIWEI, XU YUHUA, HAN SHUNLI, CHEN XIAOFENG, LYU ZHENCHUAN, ZHANG YIQI, YAN JISONG, JU JUNWEI, YIN BINGQI
Year of Publication 06.12.2019
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Year of Publication 06.12.2019
Patent
System and method for measuring feed conversion ratio of cage breeding poultry
DONG QIWEI, LI QINGYUN, YU CHUNLIN, DU HUARUI, DU LONGHUAN, QIU MOHAN, XIONG XIA, LIU LEI, YANG LI, HU CHENMING, XIA BO, JIANG XIAOSONG, YANG CHAOWU, ZHANG ZENGRONG
Year of Publication 24.09.2021
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Year of Publication 24.09.2021
Patent
Quantitative feeding system for poulty individuals
DONG QIWEI, LI QINGYUN, YU CHUNLIN, DU HUARUI, DU LONGHUAN, QIU MOHAN, BAI TIANPING, LIU LEI, YANG LI, HU CHENMING, XIA BO, JIANG XIAOSONG, YANG CHAOWU, ZHANG ZENGRONG, WU DAN
Year of Publication 03.09.2021
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Year of Publication 03.09.2021
Patent
Injection and sand-production simulating system and method for gas storage well
DONG QIWEI, ZHANG TIANGUANG, ZHU TAO, HE MENGQI, FENG XIANYAN, YAN MINHUI, CHEN XIANXUE, CHENG HANBIN, WANG YUE, DENG SENWEN, SONG HONGXING, WANG BO, CHEN LINYING, WANG SHENGPING, WANG JUNFEI, WANG JIANGKUAN, JI ZHENGJUN, LIU YONGWEI, WANG ZIJI, SONG CHUNFANG, WANG JIAO, ZHAO CHUN, ZHANG XUEBIN
Year of Publication 19.02.2021
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Year of Publication 19.02.2021
Patent
Preparation method of aromatic acid salt-MBS composite toughening modifier
FANG CHUNPING, DONG QIWEI, PAN SHUGANG, ZHANG LINA, ZHANG NING, XU KUNPENG, DAI WEIMIN, TENG YEFANG
Year of Publication 13.03.2018
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Year of Publication 13.03.2018
Patent
Simulator used for researching spreading of ejected flames in long and narrow limited spaces in wind environments
DONG QIWEI, ZHAO YUHANG, HUANG YOUBO, WANG ZEHANG, LI JUNMEI, LI JIAXIN, LI YANFENG, BAI ZHENPENG, LI YUNFEI
Year of Publication 13.11.2018
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Year of Publication 13.11.2018
Patent
Underground foaming system for foam flooding
GUAN ZIJUN, DONG QIWEI, DAI QIANQIAN, LIU QIANG, TENG LIYONG, ZHANG QUN, LIU YANLI, DONG YINGXIN, ZHENG MENG, WANG HAO, LI TENG, WANG YAO, HUANG TENG, CHEN XIAOKAI, WANG SIWEN, HAO YINGMIN, LI JUNPING
Year of Publication 11.10.2019
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Year of Publication 11.10.2019
Patent
Capillary system applied to greenhouse
DONG QIWEI, HUANG YOUBO, WANG ZHIYUAN, LI JUNMEI, LI JIAXIN, LI YANFENG, BAI ZHENPENG, LI YUNFEI
Year of Publication 09.10.2018
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Year of Publication 09.10.2018
Patent
Stifled agent preparation system is transferred in oil field
WANG LEI, CUI JINGHUI, DONG QIWEI, CHEN YAO, HUANG LI, SUN XIA, LIU QIANG, WANG LIN, ZHAO JIANFEI, XIE YUNING, LIU YANG, WANG YONG, PAN GUIJUAN, ZHANG TAORAN, WANG YANWEI, ZHAO JINGCHUN, BAI MENG
Year of Publication 31.08.2018
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Year of Publication 31.08.2018
Patent
Packer
WEI RAN, DONG QIWEI, HE ZHENGBIAO, TANG LI, TA YAOJING, ZHANG YUE, ZHANG HONGBAO, LI YONG, GAO XIAOTING, LIU YIN
Year of Publication 10.05.2017
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Year of Publication 10.05.2017
Patent