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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 Method for measuring railway steel rail breaking vertical power, involves recording pre-stress release state of measuring point after releasing steel rail, and obtaining temperature variation width value of broken rail longitudinal force. 专利 申请日期: 2012-01-01, 公开日期: 2012-10-10 作者:  DAI H LIANG J LIU C REN T SONG X XU 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/18 Natural gas hydrate rock core computed tomography reforming device, has O-shaped sealing ring and end covers connected with recycling cavity, and flat heat source device for detecting heat transfer characteristic of natural rock core. 专利 申请日期: 2012-01-01, 公开日期: 2012-08-15 作者:  SONG Y XU K LIU W DAI Y ZHAO J LI D 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/18 Device for removing natural gas hydrates from natural rock core, has outer tube whose inner wall is provided with temperature pressure sensor interface, and end cover connected with O-shaped sealing ring for sealing cavity end. 专利 申请日期: 2012-01-01, 公开日期: 2012-07-11 作者:  LI D DAI Y LIU W SONG Y LIU Y YANG 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/18