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检索条件"作者=2.key laboratory of Regional Geography, beijing normal university, 100875, {2., china"
62886 条 记 录,以下是1-10 订阅
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Estimation methods of eco-environmental water requirements: Case study
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Science china Earth Sciences 2005年 第8期48卷 1280-1292页
作者: YANG Zhifeng1,2. CUI Baoshan1 & LIU Jingling 1. School of Environment, beijing normal university, beijing{2., china 2. State key Joint laboratory of Environmental Simulation and Pollution Control, beijing{2., china 1. School of Environment Beijing Normal University 100875 Beijing China 2. State key Joint laboratory of Environmental Simulation and Pollution Control 100875 Beijing China
Supplying water to the ecological environment with certain quantity and quality is significant for the protection of diversity and the realization of sustainable development. The conception and connotation of eco-envi... 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
Optimal reactions for the synthesis of superheavy nucleus ^(2.0)Hs
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Science china(Physics,Mechanics & Astronomy) 2006年 第6期49卷 641-648页
作者: LIU Zuhua1,3 & BAO Jingdong1,2.1. key laboratory of Beam Technology and Material Modification of Ministry of Education,{2., {2. 100875, china 2. Physics Department,{2., {2. 100875, china 3. china Institute of Atomic Energy, {2. 102.13, china key laboratory of Beam Technology Material Modification of Ministry of Education Beijing Normal University Beijing 100875 China Physics Department Beijing Normal University Beijing 100875 China china Institute of Atomic Energy Beijing 102413 China
The superheavy nucleus 2.0Hs is expected to be a “double-magic” deformed nucleus. We have calculated its cross sections of evaporation residue for the reactions 2.8Cm(2.Mg,4n)2.0Hs, 2.4Pu(30Si,4n)2.0Hs, 2.8U(36S,4n)... 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
Sediment transport capacity of hyperconcentrated flow
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Science china(Physics,Mechanics & Astronomy) 2008年 第8期51卷 961-975页
作者: SHU AnPing1,2.& FEI XiangJun2.1 School of Environment & key laboratory of Water and Sediment Sciences,Ministry of Education,{2. {2. university,{2. 100875,china 2.State key laboratory of Hydroscience and Engineering,Tsinghua university,{2. 100084,china School of Environment & key laboratory of Water and Sediment Sciences Ministry of Education Beijing Normal University Beijing 100875 China State key laboratory of Hydroscience and Engineering Tsinghua University Beijing 100084 China
As one of the most important components of river mechanics,sediment transport capacity of sediment-laden flows has attracted much attention from many researchers working on river mechanics and hydraulic engineering. B... 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
Edaphic factors determining variation of two ecotypes of Leymus chinensis in North china
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Progress in Natural Science:Materials International 2006年 第11期16卷 1150-1155页
作者: ZHOU Chan~1 and YANG Yunfei~2.*(1. MOE key laboratory of Environmental Change and Natural Disasters, College of Resources Science and Technology,{2., {2. 100875, china 2. key laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast normal university, Changchun 13002., china) [a]MOE key laboratory of Environmental Change and Natural Disasters College of Resources Science and Technology Beijing Normal University Beijing China [b]key laboratory of Vegetation Ecology Ministry of Education Institute of Grassland Science Northeast Normal University Changchun China
To identify ecotypic variation of L. chinensis, the physiological characteristics and environmental factors were measured and assessed for grey-green and yellow-green ecotypes of L. chinensis grown in the salt-alkaliz... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Study on NDVI-T_s space by combining LAI and evapotranspiration
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Science china Earth Sciences 2006年 第7期49卷 747-754页
作者: HAN Lijuan1,2.3, WANG Pengxin4, YANG Hua1,2.3, LIU Shaomin1,2.3 & WANG Jindi1,2.3 1. Research Center for Remote Sensing and GIS, School of geography, beijing normal university,{2. 100875, china 2. State key laboratory of Remote Sensing Science,{2. 100875, china 3.{2. key laboratory for Remote Sensing of Environment and Digital Cities,{2. 100875, china 4. Department of Information Management, College of Information and Electronic Engineering, china Agricultural university,{2. 100083, china 1. Research Center for Remote Sensing and GIS School of Geography Beijing Normal University Beijing 100875 China 2. State key laboratory of Remote Sensing Science Beijing 100875 China 3. beijing key {2. for Remote Sensing of Environment and Digital Cities Beijing 100875 China 4. Department of Information Management College of Information and Electronic Engineering China Agricultural University Beijing 100083 China
This paper focuses on interpreting the different spatial relationships between NDVI and Ts, a triangular or a trapezoid, and on analyzing transformation conditions, the physical and ecological meanings of the vegetati... 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
Retrieving crop leaf area index by assimilation of MODIS data into a crop growth model
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Science china Earth Sciences 2010年 第5期53卷 721-730页
作者: WANG DongWei1,2.3, WANG JinDi1,2.& LIANG ShunLin4 1 State key laboratory of Remote Sensing Science, Jointly Sponsored by{2. and Institute of Remote Sensing Applications, CAS, {2. 100875, china 2.School of geography, {2. key laboratory of Environmental Remote Sensing and Digital City,{2., {2. 100875, china 3 Haihe River Water Conservancy Commission, Tianjin 300170, china 4 Department of geography, university of Maryland, College Park, MD 2.742. USA 1. State key laboratory of Remote Sensing Science Jointly Sponsored by Beijing Normal University and Institute of Remote Sensing Applications CAS Beijing 100875 China2. School of Geography Beijing Key Laboratory of Environmental Remote Sensing and Digital City Beijing Normal University Beijing 100875 China3. Haihe River Water Conservancy Commission Tianjin 300170 China4. Department of Geography University of Maryland College Park MD 20742 USA
Leaf area index (LAI) is an important parameter in monitoring crop growth. One of the methods for retrieving LAI from remotely sensed observations is through inversion of canopy reflectance models. Many model inversio... 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
Implementation of a multiple round quantum dense coding using nuclear magnetic resonance
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Science china(Physics,Mechanics & Astronomy) 2005年 第6期48卷 706-715页
作者: ZHANG Jingfu1, XIE Jingyi2. WANG Chuan1, DENG Zhiwei3, LU Zhiheng4, & LONG Guilu1,5 1. key laboratory For Quantum Information and Measurements of MOE, Department of Physics, Tsinghua {2., {2. 100084,china 2. Department of Materials Science and Engineering, beijing normal university, {2. 100875, china 3. Testing and Analytical Center, beijing normal university, {2. 100875,china 4. Department of Physics, beijing normal university, {2. 100875, china 5. key laboratory For atomic and Molecular Nanosciences, Tsinghua {2., {2. 100084,china 1. key laboratory For Quantum Information and Measurements of MOE Department of Physics Tsinghua University 100084 Beijing China 2. Department of Materials science and Engineering Beijing Normal University 100875 Beijing China 3. Testing and Analytical Center Beijing Normal University 100875 Beijing China 4. Department of Physics Beijing Normal University 100875 Beijing China 5. key laboratory For Atomic and Molecular Nanosciences Tsinghua University 100084 Beijing China
A multiple round quantum dense coding scheme based on the quantum phase estimation algorithm is proposed and implemented in a three qubit nuclear magnetic resonance (NMR) quantum computer. Using an m + 1 qubit system,... 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
Study on Water Consumption Coefficient of People's Living and Its regional Disparity in the North of china
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Chinese Journal of Population,Resources and Environment 2005年 第2期3卷 20-26页
作者: Wang Jing’ai 1-3, Mao Rui 3,4, Yang Mingchuan 3,4 & Zhou Junju 11 College of geography & Remote Sensing 2.key laboratory of regional geography of{2. 3 key laboratory of Environmental Change and Natural Disaster of Ministry of Education of china 4 College of Resources Science & Technology,{2., beijing 100875, china College of geography and Remote Sensing Beijing 100048 China key laboratory of Environmental Change and Natural Disaster of Ministry of Education of{2. Beijing 100048 China College of Resources Science and Technology Beijing Normal University Beijing 100875 China
By employing the information-reshufflingmethod that integrates census data, precipitation dataand inquiry data of water consumption, this paperdiscusses 5 (water consumption coefficient of people’sliving) in allusion... 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 study of two-color excitation upconversion of Pr(0.5)Yb(3):ZBLAN
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Science china(Physics,Mechanics & Astronomy) 2006年 第2期49卷 169-177页
作者: CHEN Xiaobo1 & SONG Zengfu2.1. Applied Optics beijing Area Major laboratory, Analysis and testing center,{2., beijing 100875, china 2. Peking university, Physics School, beijing 100871, china Applied Optics beijing Area Major laboratory Analysis testing center Beijing Normal University Beijing 100875 China Physics School Peking University Beijing 100871 China
The excited state absorption upconversion of Pr(0.5)Yb(3):ZBLAN glass material, under two-color excitation of the 960 nm semiconductor laser and the Xe lamp light simultaneously, is reported in this article. It was fo... 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
Redevelopment of liftoff rates of saltating sand grains based on a simple optimization model
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Science china Earth Sciences 2010年 第4期53卷 568-574页
作者: CHENG Hong & ZOU XueYong State key laboratory of Earth Surface Processes and Resource Ecology,{2. {2. university,{2. 100875,china MOE Engineering Center of Desertification and Blown-sand Control,{2. {2. university,{2. 100875,china key laboratory of Environmental Change and Natural Disaster of the Ministry of Education of china,{2. {2. university,{2. 100875,china 1. State key laboratory of Earth Surface Processes and Resource Ecology Beijing Normal University Beijing 100875 China2. MOE Engineering Center of Desertification and Blown-sand Control Beijing Normal University Beijing 100875 China3. Key Laboratory of Environmental Change and Natural Disaster of the Ministry of Education of China Beijing Normal University Beijing 100875 China
This paper is a redevelopment result of liftoff rates of saltating sand grains based on our previous *** sand flow is a complex multi-phase flow because of a special two-phase gas-solid flow near ground *** extensive ... 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