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| Method for measuring liquid flow in saturated porous medium during oil exploitation research, involves determining position of liquid to obtain actual position and actual speed of transparent porous medium according to actual displacement. 专利
申请日期: 2018-01-01, 公开日期: 2018-06-01
作者: ZHAO H LIU C QIU P JI S
  收藏 | 浏览/下载：6/0 | 提交时间：2019/12/02 |
| Improving expansive soil by mixing nano-silica with ordinary cement comprises taking nano-silica powder and ordinary cement, fully mechanically agitating, mixing uniformly. 专利
申请日期: 2018-01-01, 公开日期: 2018-03-16
作者: ZHAO H LIU C QIU P WANG L
收藏 | 浏览/下载：3/0 | 提交时间：2019/12/02 |
| Portable type small-power laser engraving machine 专利
申请日期: 2015-01-01,
作者: WANG YIJIE; ZHANG JIN; ZHAO JIANXING; MA JIANGUO; QIU KAIFEI
收藏 | 浏览/下载：4/0 | 提交时间：2019/04/19 |
| Preparing nitrogen-doped nano-foam carbon with embedded metal oxide hollow nanoparticles involves dissolving polyvinylpyrrolidone and metal salt in solvent, drying, grinding into powder, and placing obtained powder in reactor. 专利
申请日期: 2015-01-01, 公开日期: 2015-12-02
作者: QIU J WANG Z ZHAO Z DONG Y
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/09 |
| Preparing carbon nanotube-graphene composite foam, comprises dispersing ferrocene into organic solvent, fully immersing, impregnating and drying solution, placing solution into microwave reactor, performing microwave treatment, and cooling. 专利
申请日期: 2014-01-01, 公开日期: 2014-04-23
作者: HU H ZHAO Z QIU J
收藏 | 浏览/下载：21/0 | 提交时间：2019/12/11 |
| Preparing low temperature composite manganese oxide denitration catalyst, comprises mixing manganese salt and a metal salt e.g. cobalt salt, gradually cooling, and adding aqueous solution of sodium carbonate, stirring, drying and calcining. 专利
申请日期: 2014-01-01, 公开日期: 2014-08-27
作者: ZHAO Z WANG X MENG B QIU J
收藏 | 浏览/下载：2/0 | 提交时间：2019/12/11 |
| Preparation method for graphene oxide liquid crystal liquid, involves adding plant oil in graphene oxide carbon black solution by ultrasonic emulsifier to obtain oxidized graphite alkene liquid crystal liquid. 专利
申请日期: 2014-01-01, 公开日期: 2014-11-12
作者: MENG Y QIU J WANG G ZHAO Z WAN W
收藏 | 浏览/下载：3/0 | 提交时间：2019/12/11 |
| Manufacture of activated carbon used for e.g. food processing, involves pre-oxidizing carbon-rich residue, grinding, immersing in alkali, drying, carbonizing, and washing with acid and water. 专利
申请日期: 2013-01-01, 公开日期: 2013-07-17
作者: QIU J XIAO J XIAO N ZHAO H
收藏 | 浏览/下载：3/0 | 提交时间：2019/12/13 |
| Production of mesophase pitch from high temperature coal tar involves removing salt and quinoline insoluble from high-temperature coal tar and obtaining obtain clarified oil, and obtaining hydrogenated feed oil from clarified oil. 专利
申请日期: 2013-01-01, 公开日期: 2013-07-18
作者: ZHAO H QIU J XIAO J LI B LV J XIAO
收藏 | 浏览/下载：13/0 | 提交时间：2019/12/13 |
| Method for preparing purified coal tar asphalt, involves mixing salt-free high temperature coal tar with aliphatic solvent and removing insoluble quinoline from mixture to obtain clarified oil followed by distillation. 专利
申请日期: 2013-01-01, 公开日期: 2013-07-17
作者: LI Z QIU J XIAO J ZHAO H
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/13 |
