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A 10,000 year record of dune activity;dust storms;and severe drought in the central Great Plains 期刊论文
Geology, 2007, 卷号: 35, 期号: 2, 页码: 119-122
作者:  X. D. Miao;  J. A. Mason;  J. B. Swinehart;  D. B. Loope;  P. R. Hanson;  R. J. Goble;  X. D. Liu
Adobe PDF(334Kb)  |  收藏  |  浏览/下载:318/28  |  提交时间:2010/04/05
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:248/39  |  提交时间:2010/04/21