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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 发表日期：2014    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 Method for detecting throwing performance of military person, involves obtaining throwing training result based on vertical/horizontal parabolic distances calculated after determining horizontal/vertical speeds of target object. 专利 申请日期: 2014-01-01, 公开日期: 2014-10-15 作者:  LIU B WANG C ZHANG B PEI Y MA Y 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/11 Method for preparing boron master alloy, involves crushing industrial silicon raw material to powder, and adding powder and inorganic acid solution into reaction kettle followed by smelting and casting. 专利 申请日期: 2014-01-01, 公开日期: 2014-12-03 作者:  JIANG D TAN Y SHI S WANG D XUE B 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/11 Surface graded composite material interface layer used for material surface engineering technology field, comprises hard second phase, metal binder phase and hard second phase secondary unit. 专利 申请日期: 2014-01-01, 公开日期: 2014-10-08 作者:  LI Y LEI M WANG G ZHU X ZHU B 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/11