查询词典 isotopic

The determining method of nitrogen isotopic compositions for the granites collected from the northeastern part of China is studied.

通过对中国东北地区花岗岩类样品的分段加热，探讨了岩石中氮气同位素组成的测定方法，并测定了释放出的N含量及δN值。

The carbon isotopic composition of soil organic matter has been widely used to reconstruct the history of climate and vegetation.

土壤有机碳同位素地球化学在气候和植被恢复方面的研究已得到广泛应用，但目前对不同类型、不同时代的土壤总有机碳同位素样品制备过程的系统研究较少。

The genesis and evolution of spilite-quartz keratophyre formation are discussed through studies on Sm-Nd, Rb-Sr, K-Ar isotopic characteristics of the volcanic rocks and its geological setting, and comprehensive studies of petrology, lithochemistry, trace element, REE characteristics of the volcanic rocks.

从Sm-Nd、Rb-Sr、K-Ar同位素年代学和区域地质背景以及岩石学、岩石化学、微量元素、稀土元素等方面探讨了细碧岩-石英角斑岩建造的成因及演化。

Recent studies suggest that the Mesozoic granitoids and the contemporary mafic and ultra-mafic rocks from the North China block and Dabie-Sulu orogenic belt have the similar Sr, Nd isotopic characteristics, and many of the granitoids and volcanic rocks exhibit some features of adakites.

近年来的研究证实，华北地台和大别—苏鲁造山带的中生代花岗岩与同时代的镁铁质超镁铁质岩有类似的Sr、Nd同位素特点，许多花岗岩和火山岩还具有类似埃达克岩的地球化学性质。

According the Sr - Nd isotopic and trace element characteristics and field observation, the mafic dikes are not affected by crustal material during emplacement.

根据Sr、Nd同位素、微量元素研究及野外地质观察，本区基性岩脉的岩浆在上升侵位过程中未发生地壳物质混染。

Based on isotopic geochemistry,relationship between mineralization of Shanmen silver deposit and regional magmatic activity is discussed.

文章运用同位素地球化学方法对四平山门银矿成矿作用与区域岩浆活动的关系进行了探讨。

The mineralogy, petrology, rare earth and trace element geochemistry, Re-Os and Sr-Nd isotopic geochemistry of the black shales and cherts of Yuretusi Formation at the bottom of the Cambrian in Xiaoerbulake and Shugeitebulake sections from northern Tarim Basin have been systematically studied. It was discovered that the high enrichment of some deep source metal elements in the black shales deals with the activity of hydrothermal fluid from the lower crust or upper mantal.

本项目对塔里木盆地北部肖尔布拉克和苏盖特布拉克两剖面下寒武统底部玉尔吐斯组富有机质黑色页岩和硅质岩的矿物学、岩石学、微量元素、稀土元素、Re-Os和Sr-Nd同位素地球化学进行了系统研究，发现该黑色页岩中部分深源金属元素的高度富集与来自盆地下部上地幔或下地壳的深部物源的热水流体作用有关。

We plan to apply newly developed experimental techniques to the Dongujinmqin mesosiderite (1) we will study stable isotopic compositions

我们这一项目则从内蒙东乌旗石铁陨石入手，采用最新的实验技术和手段，（1）对这块陨石金属相中的Fe

Combined with structure, magmatic rocks, typomorphic mineral features, isotopic data, fluid inclusion composition and physio-chemical parameters, it has been concluoled that gold mineralization formed during the main mineralizing epoch belongs to mesothermal magmatic hydrothermal type and it happened in early Yanshannian stage.

结合构造、岩浆岩、标型矿物特征、同位素特征、流体包裹体成分特征及物理化学参数等，提出主成矿期矿床成因类型为中温岩浆热液型，成矿时代为燕山早期。

REE distribution patterns and isotopic compositions of different types ofrocks can reflect degrees of partial melting and metasomatic processes in the mantle.

不同岩石类型的REE配分模式和同位素组成反映地幔部分熔融程度和交代作用过程。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。