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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    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     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 Spatio-temporal characteristics and source identification of water pollutants in the upper and middle reachers of Heihe River 期刊论文 Zhongguo Huanjing Kexue/China Environmental Science, 2019, 卷号: 39, 期号: 10, 页码: 4194-4204 作者:  Wang, Yu;  Lu, Shi-Guo;  Feng, Qi;  Liu, Xian-De;  Liu, Juan-Juan 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Agricultural robots  Ammonia  Biogeochemistry  Deterioration  Drought  Multivariant analysis  Nutrients  Organic compounds  Reservoirs (water)  Rivers  Urban growth  Water quality  Heihe river  Multivariate statistical method  Source identification  Spatial temporals  Water quality indexes   Multi-source coordination and scheduling strategy of new energy with high proportion of wind power, photovoltaic and photothermal 会议论文 Yichang, China, September 6, 2019 - September 9, 2019 作者:  Wei, Xiong;  Xiaoying, Zhang;  Kun, Wang;  Wei, Chen;  Xiaolan, Wang 收藏  |  浏览/下载：16/0  |  提交时间：2020/11/15 Electric power system economics  Electric power transmission networks  Energy efficiency  Fossil fuel power plants  Integer programming  Linear programming  MATLAB  Photovoltaic cells  Scheduling  Smart power grids  Solar power generation  Wind power  Coordinated scheduling  Grid efficiency  New energies  Objective to optimize  Photovoltaic   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：1/0  |  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