群环 meaning in English
group ring
Examples
- Local group rings of the f . c group over any rings
群在任意环上的局部群环 - The identity of completely - regular semigroup rings
正则半群环的单位元 - The strongly prime radical and graded strongly prime radical of group rings of graded rings
分次环的群环的强素根与分次强素根 - This paper is carrying out based on the chemical materials of huanhe group of cretaceous system of erdos basin , carrying on relativity analysis about tds and three major anion percentage of meq ( milligram equivalent ) , taking cluster analyses on tds and the three anion percentage of meq , the trend analysis of the percentage of the number of fresh water and the total water with the increases of anion percentage of meq , classifies the new index , divide the groundwater into three kinds according to percentage of meq of three major anion finally defining new groundwater water chemistry : definitely bicarbonate type , relativity bicarbonate type and non - bicarbonate types , point out that the possibilities of fresh water reduce in proper order of these kinds
鄂尔多斯地下水勘查是国家重大的地质调查项目，在地下水水化学研究的几次大型讨论会议上，专家们一致认识到，能不能利用鄂尔多斯盆地地下水勘查项目中的大量地下水水质分析资料，探索出一种新的水化学类型划分方法，对舒卡列夫分类中的25毫克当量百分数的分类界限加以重新考虑，而找出一个与淡水密切相关的x作为分类界限。本文就是以鄂尔多斯自流水盆地白垩系保安群环河组地下水水化学资料为基础而开展相关研究的。