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检索条件"作者=2.college of {2. Conservancy and civil engineering, china agricultural university, beijing 100083, china"
131 条 记 录,以下是1-10 订阅
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Decisive influence of the ionization strength of cosmic rays on the cavitation characteristics of pure water
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Science china(Technological Sciences) 2009年 第6期52卷 1804-1808页
作者: CHANG JinShi college of Water conservancy & {2. engineering,china agricultural university,beijing 100083,china college of Water conservancy & {2. engineering China Agricultural University Beijing 100083 China
The experiment result in this article shows that the initial and critical cavitation pressure of pure water are both increasing along with the increase of height above sea level,and the ionization strength of cosmic r... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Computational theory of cavitating flows for hydraulic turbomachinery with consideration of influence of water quality
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Science china(Technological Sciences) 2010年 第12期53卷 3341-3348页
作者: WANG Lei1,2.& CHANG JinShi2.1 Huadian Electric Power Research Institute, Hangzhou 310030, china 2.college of Water {2. and civil engineering, china agricultural university, beijing 100083, china 1. Huadian Electric Power Research Institute Hangzhou 310030 China2. College of Water Conservancy and Civil Engineering China Agricultural University Beijing 100083 China
Previously it was assumed that the pressure within the cavity or on the cavity surface remained constant and the vapor pressure of clean water at 2.°C and 0 m altitude was utilized as the computational boundary for c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Integrating MODFLOW and GIS technologies for assessing impacts of irrigation management and groundwater use in the Hetao Irrigation District,Yellow River basin
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Science china(Technological Sciences) 2009年 第11期52卷 3257-3263页
作者: XU Xu1,2. HUANG GuanHua1,2.& QU ZhongYi3 1 Center for Agriculture Water Research, china agricultural university, beijing 100083,{2. 2.Chinese-Israeli International Center for Research and Training in Agriculture, china agricultural university, beijing 100083,{2. 3 Water conservancy and civil engineering college, Inner Mongolia agricultural university, Hohhot 010018,{2. 1. Center for Agriculture Water Research China Agricultural University Beijing 100083 China 2. Chinese-Israeli International Center for Research and Training in Agriculture China Agricultural University Beijing 100083 China 3. Water conservancy and civil {2. college Inner Mongolia Agricultural University Hohhot 010018 China
Due to severe water scarcity, water resources used in agricultural sector have been reduced markedly in Hetao irrigation district. Application of water-saving practices (WSPs) is required for the sustainable agricultu... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
A general finite element model for numerical simulation of structure dynamics
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Science china(Physics,Mechanics & Astronomy) 2006年 第4期49卷 440-450页
作者: WANG Fujun1, LI Yaojun1, Han K.2.& Feng Y.T.2.1. college of Water conservancy and {2. engineering, china agricultural university, beijing 100083, china 2. {2. & Computational engineering Centre, university of Wales Swansea, Swansea SA2.8PP, U.K. college of Water conservancy civil engineering China Agricultural University Beijing 100083 China civil & Computational engineering Centre University of Wales Swansea Swansea SA2 8PP UK
A finite element model used to simulate the dynamics with continuum and discontinuum is presented. This new approach is conducted by constructing the general contact model. The conventional discrete element is treated... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
NUMERICAL INVESTIGATION OF PERFORMANCE OF AN AXIAL-FLOW PUMP WITH INDUCER
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Journal of Hydrodynamics 2007年 第6期19卷 705-711页
作者: LI Yao-jun WANG Fu-jun college of Water conservancy and {2. engineering China Agricultural University Beijing 100083 China
The interaction of flow through the inducer and impeller of an axial-flow pump equipped with an inducer has significant effect on its performance. This article presents a recent numerical investigation on this topic. ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
One-dimensional numerical simulation of non-uniform sediment transport under unsteady flows
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International Journal of Sediment Research 2008年 第4期23卷 316-328页
作者: Hongwei FANG 1,Minghong CHEN 2.and Qianhai CHEN 31 Prof.,Dept.of Hydraulic engineering,Tsinghua Univ.,State Key Laboratory of Hydroscience and engineering,{2.,100084,china 2.PhD,college of Water conservancy and civil engineering,china agricultural Univ.,{2. 100083,china.3 Engineer,Institute of the Yangtze River Research,Wuhan,430010,china [a]Prof. Dept. of Hydraulic engineering Tsinghua Univ. State Key Laboratory of Hydroscience and engineering beijing 100084 china [b]PhD college of Water conservancy and {2. engineering china agricultural Univ. beijing 100083 china [c]Engineer Institute of the Yangtze River Research Wuhan 430010 china
One-dimensional numerical models are popularly used in sediment transport research because they can be easily programmed and cost less time compared with two-and three-dimensional numerical *** particular,they possess... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
A PARTIALLY-AVERAGED NAVIER-STOKES MODEL FOR HILL AND CURVED DUCT FLOW
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Journal of Hydrodynamics 2011年 第4期23卷 466-475页
作者: MA Jia-mei WANG Fu-jun YU Xin LIU Zhu-qing college of Water conservancy and {2. engineering China Agricultural University Beijing 100083 China
Turbulent flows past hill and curved ducts exist in many engineering applications. Simulations of the turbulent flow arc carried out based on a newly developed technique, the Partially-Averaged Navier-Stokes (PANS) ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Run off-on-out method and models for soil infiltrability on hill-slope under rainfall conditions
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Science china Earth Sciences 2006年 第2期49卷 193-201页
作者: LEI Tingwu1,2. LIU Han1, PAN Yinghua3, ZHAO Jun2. ZHAO Shiwei2.& YANG Yonghui2.1. The Key Laboratory of Modern Precision Agriculture System Integration Research, college of Hydraulic and civil Engineer-ing,{2., beijing 100083, china 2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Yangling 712.00, china 3. Geographic and Resources Management college, Yantai Normal university, Yantai 2.402., china 1. The Key Laboratory of Modern Precision Agriculture System Integration Research College of Hydraulic and Civil Engineering China Agricultural University Beijing 100083 China 2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Institute of Soil and Water Conservation Yangling 712100 China 3. Geographic and Resources Management college Yantai Normal University Yantai 264025 China
The soil infiltrability of hill-slope is important to such studies andpractices as hydrological process, crop water supply, irrigation practices, and soil erosion. A newmethod for measuring soil infiltrability on hill... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The impact of vegetation restoration on erosion-induced sediment yield in the middle Yellow River and management prospect
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Science china Earth Sciences 2005年 第6期48卷 724-741页
作者: CHEN Hao1, ZHOU Jinxing2. CAI Qiangguo1, YUE Zhongqi3, LU Zhongchen4, LIANG Guanglin1& HUANG Jianguo5 1. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Re-search, Chinese Academy of Sciences, beijing 100101, china 2. Institute of Forestry, Chinese Academy of Forestry Sciences, beijing 100091, china 3. Department of civil engineering, university of Hong Kong, Hong Kong, china 4. Eco-environmental Research Center, Chinese Academy of Sciences, beijing 100085, china 5. college of Resources and Environment, Southwest agricultural university, Chongqing 400716, china Correspondence should be addressed to Chen Hao 1. Key Laboratory of Water Cycle and Related Land Surface Processes Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences 100101 Beijing China 2. Institute of Forestry Chinese Academy of Forestry Sciences 100091 Beijing China 3. Department of civil engineering University of Hong Kong Hong Kong China 4. Eco-environmental Research Center Chinese Academy of Sciences 100085 Beijing China 5. college of Resources and Environment Southwest Agricultural University 400716 Chongqing China
According to the characteristics of water and erosion environments of different natural zones on the Loess Plateau, this paper studies changes of vegetation types, distribution boundaries of forest and grass as well a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Effects of Bahia Grass Cover and Mulch on Runoff and Sediment Yield of Sloping Red Soil in Southern china
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Pedosphere 2011年 第2期21卷 238-243页
作者: LI Xin-Hu ZHANG Zhan-Yu YANG Jie ZHANG Guo-Hua WANG Bin college of Water conservancy and Hydropower {2. Hohai University Nanjing 210098 (China) Key Laboratory of Efficient Irrigation-Drainage and agricultural Soil Hohai university Nanjing 210098 (China) Jiangxi Institute of Soil and Water Conservation Nanchan9 330029 (China) china Irrigation and Drainage Development Center Beijing 100054 (China) college of Water conservancy and Building {2. Northeast Agricultural University Harbin 150030 (China)
Rainfall,runoff (surface runoff,interflow and groundwater runoff) and soil loss from 5 m × 15 m plots were recorded for 5 years (2.01-2.05) in an experiment with three treatments (cover,mulch and bare ground) on slop... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论