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Geochemistry of major elements from the Cretaceous Taoqihe Formation-Taipinglinchang Formation sandstones in the Sunwu-Jiayin Basin;

孙吴-嘉荫盆地白垩系淘淇河组-太平林场组砂岩主量元素的地球化学特征

In this paper a method for the direct determination of the major elements(S,Cl,K,Ca)in brine sam- ples by the energy dispersive X-ray fluorescence spectrometry is reported.

用模拟卤水建立一套能量色散X射线荧光光谱法测定卤水中硫氯钾钙主量元素含量的方法。

Major element characteristics of sandstones from different kinds of basin are a function of particular provenance types and tectonic environments, and provenance analysis of basins may be performed using major element diagrams.

一定的砂岩地球化学特征对应于特定的源区和构造环境,利用主量元素图解可以进行盆地物源分析。

The characteristic value ti=m i(n i-1)+h i of an atom is defined by principal quantum number.

由主量子数 (ni)定义成键原子化学特征的点价为ti=mi(ni-1) +hi,在此基础上建构一个主量子数拓扑指数nQ =∑ (ti·tj·tk… ) 0 5,其中 ,0 Q =∑ (ti) 0 5,1Q =∑ (ti·tj) 0 5,并以此为参数研究了烷基苯的燃烧热、等张比容、沸点、汽化热、标准生成自由能、标准熵、摩尔体积、溶解度、辛醇 /水分配系数等 10种物理化学性质 ,提出了一个通用的关系式 :p =a +b0 Q +c1Q 。

It is pointed out that the relation has something to do with the principal quantum number and the angular quantum number,but nothing to do with the nuclear electronic number and reduced mass.

发现此关系式与主量子数和角量子数有关,而与核电荷数以及折合质量无关。

Comparative Studies on the Sample Digestion Techniques of Alkali Fusion and Acid Dissolution in the Determination of Major Elements and Trace Elements in Stone;

石材主量元素和微量元素测定的酸溶与碱熔分解方法比较

Distribution of major elements in marine sediments and water system was studied in this paper by using a modified sequential extraction procedure according to the methods of Tessier,BCR and so on.

在Tessier以及欧共体标准局BCR等前人顺序提取方法的基础上,采用一套改进的顺序提取法对海洋沉积物以及一些水系沉积物标准物质的主量元素进行逐步提取。

The Ti normalized ratios of the major elements exhibit significant climatecontrolling patterns.

取自南海北部陆坡的ODP1144站沉积物中碎屑组分的主量元素含量表现出气候控制的变化特征,其中在间冰期,碎屑物质表现出较高的Al/Ti、K/Ti、Mg/Ti比值和较低的Na/Ti、Ca/Ti比值,而在冰期则正好相反。