4MA Hongwen1, FENG Wuwei1, MIAO Shiding1, WANG Yingbin1 & TIAN Shuxin2 1. National Laboratory of Mineral Materials, China University of Geosciences, Beijing 100083, China,2.Tianjin Bureau of Geological Survey, Tianjin 300191, China.New type of potassium deposit: Modal analysis and preparation of potassium carbonate[J].Science China Earth Sciences,2005,48(11):1932-1941. 被引量:16