搜索结果: 1-3 共查到“知识库 原始社会史”相关记录3条 . 查询时间(2.876 秒)
川圹巨石缸遗址—石缸平原(图)
石缸平原 铁器时代 世界文化遗产
2022/7/18
谢灵运永嘉郡吏治考辨
谢灵运 宋书 温州府志
2009/11/2
谢灵运是我国山水诗的鼻祖,其大量山水诗都在任永嘉郡(今温州市)太守时所作,主要记录永嘉郡秀美河山。《宋书·谢灵运传》记载其在永嘉“民间听讼,不复关怀”,而当地人民对他却评价甚高,现实与史籍存在矛盾之处,这既有《温州府志》方面的原因,也有《宋书》方面的原因。
A Direct Procedure for Determining the Number of Plates in Tactoids of Smectites: The Na/Ca-Montmorillonite Case
Bentonite Conductivity Dispersion Hydraulic Smectite Tactoid
2012/2/10
The dispersion of clays is of great importance in determining various soil properties such as hydraulic conductivity. A procedure which involves fixing followed by embedding of clay particles in an ep...