..............page:88-89+91-92+95-97
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a study on quality of aquatic environment in tumen river area
Zhu YanmingChangchun Institute of Geography;the Chinese Academy of Sciences;Changchun 130021;P.R.China Li JinsongDepartment of Urban and Environmental Science;Peking University;Beijing 100871;P.R.ChinaLu XueqiangTianjin Institute of Envir
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SIMULATING STUDY ON BARCHAN DUNE
Ling Yuquan 1 Wu Zheng 2 Liu Shaozhong 3 Li Changzhi11 Institute of Desert Research;the Chinese Academy of Sciences;Lanzhou 730000;P.P.China2 South China Normal University;Guangzhou 510631;P.R.China3 Institute of Computer Appli
..............page:73-80