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Characteristics of Ammonia Volatilization of the Typical Calamagrostis angustifolia Wetland Soils in the Sanjiang Plain, Northeast China 会议论文
PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL II, PTS A AND B, Shanghai, PEOPLES R CHINA, 2009-06-02
Sun Zhigao; Yu Junbao; Chen Xiaobing
浏览  |  Adobe PDF(187Kb)  |  收藏  |  浏览/下载：1426/460  |  提交时间：2011/07/14
Nitrogen Dynamics  Flooded Rice  Model  
An intelligent bay Geo-information retrieval approach based on Geo-ontology 会议论文
2009 17th International Conference on Geoinformatics, Geoinformatics 2009, 2009-08-12
Xiao,Rulin; Liu,Wei; Du,Yunyan; He,Yawen
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Information Management - Information Retrieval - Information Services - Information Systems - Management Information Systems - Ontology - Query Languages - Semantics