sifangtai 中文意思是什麼
sifangtai
解釋
四方臺-
Abstract : based on the basic geology this paper determines the development history of kailu basin, and comprehensively analyses hydrogeologic conditions and hydrogeochemical characteristics, as well as the uranium concentration in groundwater, determines the prospecting significance of regional confined aquifers in yaojia and sifangtai formations formed during the subsidence stage of the basin
文摘:本文從基礎地質條件出發，界定了開魯盆地的發展歷史，全面分析了研究區的水文地質條件、水文地球化學特徵及地下水的含鈾性，確定了在整體坳陷期形成的姚家組和四方臺組區域承壓含水層的找礦意義。 -
Toc in the source rocks of the third section and the fourth section of nenjiang, mingshui group, sifangtai group, cenozoic is lower. the average of toc is 0. 8 % ~ 0. 9 %, and the samples of toc > 1 % are less 40 %
濱北地區嫩江組三、四段，明水組，四方臺組和新生代地層中的泥巖有機碳普遍較低，均值僅為0 . 8 0 . 9 ， toc 1的樣品均不足總樣品的40 。 -
Based on the basic geology this paper determines the development history of kailu basin, and comprehensively analyses hydrogeologic conditions and hydrogeochemical characteristics, as well as the uranium concentration in groundwater, determines the prospecting significance of regional confined aquifers in yaojia and sifangtai formations formed during the subsidence stage of the basin
本文從基礎地質條件出發，界定了開魯盆地的發展歷史，全面分析了研究區的水文地質條件、水文地球化學特徵及地下水的含鈾性，確定了在整體坳陷期形成的姚家組和四方臺組區域承壓含水層的找礦意義。
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