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Onset of flood season in the middle reach of Yellow River, Qinhe River and Yongding River and summer monsoon strength in the Qing dynasty EI期刊论文
2012
Pan Wei; Man Zhi-Min; Zhuang Hong-Zhong; Ye Sheng
收藏  |  浏览/下载:18/0  |  提交时间:2012/11/23
Analysis of spatial variability of nitrate content in groundwater and its factors in Huaitai county in North China plain EI期刊论文
2008
Chen Shu-Feng; Hu Ke-Lin; Liu Zhong-Lan; Li Wei; Pan Zhi-Yong; Zhang Jun-Lian
收藏  |  浏览/下载:9/0  |  提交时间:2012/06/11


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