QQ客服 官方微博 反馈留言

浏览/检索结果: 共6条，第1-6条 帮助 限定条件 内容类型：EI期刊论文     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 Chemical and isotopic constraints on evolution of groundwater salinization in the coastal plain aquifer of Laizhou Bay, China EI期刊论文 2014 Han D. M.; Song X. F.; Currell Matthew J.; Yang J. L.; Xiao G. Q. 收藏  |  浏览/下载：33/0  |  提交时间：2014/12/31 Hydrochemistry  Aquifers  Brines  Chlorine compounds  Groundwater geochemistry  Groundwater resources  Hydrogeology  Isotopes  Mixing  Seawater  Water   Ecological and hydrological response of farmlands abandoned for different lengths of time: Evidence from the loess hill slope of china EI期刊论文 2014 Hou Jian; Fu Bojie; Liu Yu; Lu Nan; Gao Guangyao; Zhou Ji 收藏  |  浏览/下载：30/0  |  提交时间：2014/12/31 Farms  Catchments  Ecology  Erosion  Land use  Nutrients  Runoff  Sediments  Soils  Vegetation   Increase in soil nutrients in intensively managed cash-crop agricultural ecosystems in the Guanting Reservoir catchment, Beijing, China EI期刊论文 2013 作者:  Zhang Xinyu 收藏  |  浏览/下载：23/0  |  提交时间：2014/12/31 Soils  Catchments  Crops  Economics  Ecosystems  Electric conductivity  Land use  Manures  Nutrients  Oilseeds  Orchards  Profitability  Regression analysis  Reservoirs (water)  Runoff  Vegetables  Water conservation  Water management  Water supply   Estimating soil organic carbon storage and distribution in a catchment of Loess Plateau, China EI期刊论文 2010 Han Fengpeng; Hu Wei; Zheng Jiyong; Du Feng; Zhang Xingchang 收藏  |  浏览/下载：16/0  |  提交时间：2012/06/11 Carbon dioxide  Catchments  Farms  Forestry  Land use  Programmable logic controllers  Runoff  Sand  Soil surveys  Soils   Determination of soil loss tolerance of an entisol in southwest china EI期刊论文 2009 Liu Gangcai; Li Lan; Wu Laosheng; Wang Genxu; Zhou Zhonghao; Du Shuhan 收藏  |  浏览/下载：23/0  |  提交时间：2012/06/11 Groundwater  Soil moisture  Taxonomies  Vegetation  Weathering   Impact of climate fluctuation and land-cover changes on runoff in the Yellow River basin EI期刊论文 2005 作者:  Xia Jun 收藏  |  浏览/下载：11/0  |  提交时间：2012/06/11 Computer simulation  Data acquisition  Hydrology  Mathematical models  Precipitation (chemical)  Rain  Rivers