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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：2019    内容类型：会议论文     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 Comprehensive Evaluation of Risk Factors of Coal Mine Safety Management Based on Combined Weighted Tissue Model    (Open Access) 会议论文 2018 4th International Conference on Environmental Science and Material Application, ESMA 2018, December 15, 2018 - December 16, 2018 作者:  Wang, Guanyi;  Zhao, Wenjing 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/31 Establishment of Contractual Management Mode of Internal Market Contract of Coal Mine Enterprises    (Open Access) 会议论文 2018 4th International Conference on Environmental Science and Material Application, ESMA 2018, December 15, 2018 - December 16, 2018 作者:  Li, Xingdong;  Zhao, Wenjing 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/31 Performance of high-power diode lasers operated at cryogenic temperature 会议论文 Hangzhou, China, 2019-10-21 作者:  Zhang, Pu;  Wang, Mingpei;  Nie, Zhiqiang;  Yang, Wuhao 收藏  |  浏览/下载：3/0  |  提交时间：2020/03/04 High-power diode lasers  cryogenic temperature  thermal characteristics