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浏览/检索结果: 共145条，第1-10条 帮助 限定条件 内容类型：EI期刊论文    发表日期：2012     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Study on a novel flat renewal supported liquid membrane with D2EHPA and hydrogen nitrate for neodymium extraction EI期刊论文 2012 作者:  Wang Liming;  Pei Liang 收藏  |  浏览/下载：22/0  |  提交时间：2012/11/23 Neodymium  Carrier concentration  Concentration (process)  Hydrogen  Liquid membranes  Nitric acid  pH effects  Phosphoric acid  Rare earths   Tree ring-dated fluctuation history of Midui glacier since the little ice age in the southeastern Tibetan plateau EI期刊论文 2012 Xu Peng; Zhu Hai Feng; Shao Xue Mei; Yin Zhi Yong 收藏  |  浏览/下载：8/0  |  提交时间：2012/11/23 Ice  Climate change  Forestry   Simulation study of field water transformation under deficit irrigation with SWAP model EI期刊论文 2012 作者:  Song Xianfang;  Ma Ying 收藏  |  浏览/下载：11/0  |  提交时间：2012/11/23 Water management  Computer simulation  Crops  Irrigation  Models  Optimization  Percolation (solid state)  Plants (botany)  Rotation  Soil moisture  Solvents  Water supply   Soil salinity management with drip irrigation and its effects on soil hydraulic properties in north China coastal saline soils EI期刊论文 2012 作者:  Wan Shuqin;  Jiang Shufang 收藏  |  浏览/下载：16/0  |  提交时间：2014/12/31 Soils  Electric conductivity  Experiments  Flow of water  Groundwater  Hydraulic conductivity  Irrigation  Leaching  Salinity measurement  Salt removal  Water supply   Ecosystem carbon exchange over a warm-temperate mixed plantation in the lithoid hilly area of the North China EI期刊论文 2012 作者:  Li Jun 收藏  |  浏览/下载：24/0  |  提交时间：2012/11/23 Ecosystems  Carbon dioxide  Drought  Plants (botany)  Reforestation  Revegetation   Water absorption characteristics and compression strength of a new bulking agent EI期刊论文 2012 作者:  Chen Tong-Bin;  Liu Hong-Tao;  Gao Ding;  Zheng Guo-Di 收藏  |  浏览/下载：16/0  |  提交时间：2012/11/23 Sewage sludge  Moisture determination  Reusability   Geochemical compositions of soluble salts in aeolian sands from the Taklamakan and Badanjilin deserts in northern China, and their influencing factors and environmental implications EI期刊论文 2012 作者:  Zhu Bingqi 收藏  |  浏览/下载：22/0  |  提交时间：2012/11/23 Sand  Alkalinity  Arid regions  Geochemistry  Landforms  Sedimentation  Sodium chloride  Soil pollution   Error analysis of the converted wave deduced by equivalent velocity assumption EI期刊论文 2012 作者:  Wang Wei 收藏  |  浏览/下载：10/0  |  提交时间：2014/12/31 Velocity  Error analysis  Seismic waves   Evaluation of an ecosystem model for a wheat-maize double cropping system over the North China Plain EI期刊论文 2012 作者:  Lin Zhonghui;  Liu Suxia;  Mo Xingguo 收藏  |  浏览/下载：24/0  |  提交时间：2012/11/23 Uncertainty analysis  Biometrics  Carbon dioxide  Computer simulation  Crops  Ecosystems  Evapotranspiration  Forestry  Heat flux  Mean square error  Phenols  Soil moisture  Water content  Water supply   Tree-ring 18O in southwestern China linked to variations in regional cloud cover and tropical sea surface temperature EI期刊论文 2012 作者:  Shao Xuemei 收藏  |  浏览/下载：26/0  |  提交时间：2012/11/23 Forestry  Atmospheric pressure  Atmospheric temperature  Atmospheric thermodynamics  Global warming  Isotopes  Nickel compounds  Oceanography  Oxygen  Precipitation (meteorology)  Surface properties