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delta C-13 variation of C-3 and C-4 plants across an Asian monsoon rainfall gradient in arid northwestern China 期刊论文
Global Change Biology, 2005, 卷号: 11, 期号: 7, 页码: 1094-1100
作者:  W. G. Liu;  X. H. Feng;  Y. F. Ning;  Q. L. Zhang;  Y. N. Cao;  Z. S. An
收藏  |  浏览/下载:263/0  |  提交时间:2010/04/21
Effect of microwave and He-Ne laser on enzyme activity and biophoton emission of Isatis indigotica fort 期刊论文
Journal of Integrative Plant Biology, 2005, 卷号: 47, 期号: 7, 页码: 849-855
作者:  Y. P. Chen;  Y. J. Liu;  X. L. Wang;  Z. Y. Ren;  M. Yue
Adobe PDF(160Kb)  |  收藏  |  浏览/下载:269/24  |  提交时间:2010/04/21
Mineral and chemical composition and some trace element contents in coals and coal ashes from Huaibei coal field, China 期刊论文
Energy Conversion and Management, 2005, 卷号: 46, 期号: 13-14, 页码: 2001-2009
作者:  G. J. Liu;  S. V. Vassilev;  L. F. Gao;  L. G. Zheng;  Z. C. Peng
Adobe PDF(168Kb)  |  收藏  |  浏览/下载:253/39  |  提交时间:2010/04/21
Did an extensive forest ever develop on the Chinese Loess Plateau during the past 130 ka?: a test using soil carbon isotopic signatures 期刊论文
Applied Geochemistry, 2005, 卷号: 20, 期号: 3, 页码: 519-527
作者:  W. G. Liu;  H. Yang;  Y. N. Cao;  Y. F. Ning;  L. Li;  J. Zhou;  Z. S. An
Adobe PDF(582Kb)  |  收藏  |  浏览/下载:256/28  |  提交时间:2010/04/21