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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 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 Indoor flying dust settling characteristics testing device for use in building, has environment cabin arranged in flask, and detector arranged in sealed test environment cabin and provided with laser emitter and scattered light receiver. 专利 申请日期: 2014-01-01, 公开日期: 2014-04-30 作者:  LV Y FU B 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/11 Preparation of biaryl compound involves supplying palladium catalyst, methoxyl-blocked polyethylene glycol-modified imidazole salt and aryl boric acid to round bottomed flask, and subjecting mixture to Suzuki cross-coupling reaction. 专利 申请日期: 2012-01-01, 公开日期: 2012-06-13 作者:  JIN Z LIU C LIU N 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/18 Molding method of covering film powder laser precinct of geometrical body e.g. flask used in laser processing fast molding technology involves solidifying stripping body to series of small stripping bodies using vibration and external force. 专利 申请日期: 2007-01-01, 公开日期: 2007-10-10 作者:  YAO S YE C YE J 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/27