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Drip irrigation with saline water for oleic sunflower (Helianthus annuus L.) EI期刊论文
2009
作者:  Wan Shuqin;  Liu Shi-Ping
收藏  |  浏览/下载:18/0  |  提交时间:2012/06/11
Ecosystem water use efficiency in an irrigated cropland in the North China Plain EI期刊论文
2009
作者:  Yu Qiang;  Li Jun
收藏  |  浏览/下载:15/0  |  提交时间:2012/06/11
Use of oxygen-18 isotope to quantify flows in the upriver and middle reaches of the Heihe River, northwestern china EI期刊论文
2009
Zhang Y. H.; Song X. F.; Wu Y. Q.
收藏  |  浏览/下载:13/0  |  提交时间:2012/06/11
Reforming intellectual property rights and the Bt cotton seed industry in China: Who benefits from policy reform? EI期刊论文
2009
作者:  Huang Jikun;  Hu Ruifa
收藏  |  浏览/下载:23/0  |  提交时间:2012/06/11
Starch grain analysis reveals function of grinding stone tools at Shangzhai site, Beijing EI期刊论文
2009
Yang Xiao Yan; Yu Jin Cheng; Yuan Hou; Cui Tian Xing; Guo Jing Ning; Ge Quan Sheng
收藏  |  浏览/下载:29/0  |  提交时间:2012/06/11
A passive sampler with improved performance for collecting gaseous and particulate phase polycyclic aromatic hydrocarbons in air EI期刊论文
2009
作者:  Cao Hongying;  Wang Wei
收藏  |  浏览/下载:17/0  |  提交时间:2012/06/11


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