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浏览/检索结果: 共6条，第1-6条 帮助 限定条件 发表日期：2018    内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Gear-plate variable proportion based servo motor load pull testing system, has shaft for passing through sliding groove, and force sensor connected with bolt that is connected with sample clamp and ball screw nut. 专利 申请日期: 2018-01-01, 公开日期: 2018-05-15 作者:  CHANG Y WANG B WANG N LI X YU S YAN 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Two-step salting-out extraction separation of 1,3-propanediol, involves dissolving soluble acidic inorganic salts in 1,3-propanediol fermentation broth, mixing hydrophobic organic solvent, oscillating, separating and extracting salt phase. 专利 申请日期: 2018-01-01, 公开日期: 2018-05-11 作者:  XIU Z LI Z YAN L SUN Y MU Y 收藏  |  浏览/下载：8/0  |  提交时间：2019/12/02 Constructing polylactic acid/hydroxyapatite/acellular amniotic composite scaffold comprises e.g. dissolving polylactic acid in dichloromethane solution to obtain polylactic acid dichloromethane solution and adding hydroxyapatite. 专利 申请日期: 2018-01-01, 公开日期: 2018-02-13 作者:  SONG K YAN X LU Y LI L LI W LIU T 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Preparing graphene quantum dot comprises e.g. taking benzoic acid as carbon source, paving, vacuumizing, sublimating, filling with hydrogen and oxygen gases, subjecting to explosion, cooling and collecting black product. 专利 申请日期: 2018-01-01, 公开日期: 2018-04-20 作者:  YAN H HE C LI X ZHAO T 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/02 Integrated flexible experimental monocular posture measurement accuracy evaluating method, involves installing experiment device with measuring component, and obtaining posture transformation of systems by performing optimization process. 专利 申请日期: 2018-01-01, 公开日期: 2018-03-20 作者:  WANG F PAN Y LIU W LI X LI H YAN H 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/02 一种应用于超宽带天线的频率选择表面结构 专利 申请日期: 2018-01-01, 公开日期: 2018-11-06 作者:  原艳宁;  王丽黎;  张悦;  席晓莉 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/20