Hydrogen Bbonding Structure and Property of Pyrimidine-water Clusters
huang fang-qian1; li qiang-lin2; ge han-jing1; gao feng-qin1; deng ling-juan1; li quan3(1.chemistry department of xianyang normal university; xianyang; shaanxi 712000; 2.print&dye chemical department of chengdu textile colloge; chengdu; sichuan 611737; 3.college of chemistry and material science; sichuan normal university; chengdu; sichuan 610066; china)
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On the Tourist Development of Desert in Ningxia
chen li1; mi wen-bao2(1.economic and administration department; ningxia vocational polytechnic; 2.school of resources and environment; ningxia university; yinchuan; ningxia 750021; china)
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