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浏览/检索结果: 共2条，第1-2条 帮助 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 Research on the characteristic of noise and pressure fluctuation in the oil-gas mixing transportation of screw-axial pump 会议论文 Kyoto, Japan, September 16, 2018 - September 21, 2018 作者:  Quan, Hui;  Quan, Sizhe;  Li, Rennian;  Wang, Xincheng;  Chai, Xiyu 收藏  |  浏览/下载：0/0  |  提交时间：2020/11/15 Acoustic noise  Acoustic variables measurement  Acoustic wave transmission  Acoustics  Axial flow  Boundary element method  Frequency doublers  Hydraulic machinery  Impellers  Liquids  Mixing  Multiphase flow  Petroleum transportation  Pumps  Sailing vessels  Screws  Stators  Vortex flow  Blade passing frequency  Characteristic of noise  Hydraulic performance  Indirect boundary element method  Internal unsteady flow  Noise characteristic  Oil gas mixing transportation  Pressure fluctuation   Age-related changes in body composition and their relationship with bone mineral density decreasing rates in central south Chinese postmenopausal women 期刊论文 Endocrine, 2013, 卷号: 43, 期号: 3, 页码: 643-650 作者:  Hongbing Zhang;  Xiangping Chai;  Shuang Li;  Zhimin Zhang;  Lingqing Yuan 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/03 Body composition  Fat mass  Lean mass  BDR