CORC

浏览/检索结果: 共6条,第1-6条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
A knowledge-based similarity classifier to stratify sample units to improve the estimation precision EI期刊论文
2009
作者:  Li Lianfa
收藏  |  浏览/下载:10/0  |  提交时间:2012/06/11
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:19/0  |  提交时间:2012/06/11
Biodiesel development: current status, potential impacts and perspectives EI期刊论文
2009
作者:  Xu Zhigang;  Qiu Huanguang
收藏  |  浏览/下载:19/0  |  提交时间:2012/06/11
Responses of streamflow to climate and land surface change in the headwaters of the Yellow River Basin EI期刊论文
2009
作者:  Zheng Hongxing;  Liu Changming
收藏  |  浏览/下载:37/0  |  提交时间:2012/06/11
Division of key cultivated land regions based on calculation of comprehensive productivity in Hebei province EI期刊论文
2009
Men Mingxin; Zhang Junmei; Liu Yu; Li Xinwang; Xu Hao
收藏  |  浏览/下载:28/0  |  提交时间:2012/06/11
Understanding the water crisis in Northern China: What the government and farmers are doing EI期刊论文
2009
作者:  Huang Jikun;  Wang Jinxia
收藏  |  浏览/下载:45/0  |  提交时间:2012/06/11


©版权所有 ©2017 CSpace - Powered by CSpace