查询词典 isotopic

Radioactive heat-producing element abundance in the crust of continental China estimated from terrestrial heat flow and the helium isotopic composition of underground fluids

根据实测岩石热导率和测温资料计算了柴达木盆地的大地热流值并编制了热流分布图，对 47个测点的热流值进行了统计。

The stability of Pt-SDB on its catalytic activity and the Pt contained in Pt-SDB have been studied during three years in isotopic exchange between tritium oxide and hydrogen.

引言在对含放射性氚水的处理过程中，基于液相水-氢同位素催化交换的工艺已开始应用。

The source of Fe was provided strong supporting evidence. Iron isotopic ration of BIF has the positive dependence ofδEu, indicating the source of Fe correlation with hydrothermal fluid.9. A model for Fe cycling.

首次从成矿元素本身为BIF的物质来源提供直接证据：BIF的Fe同位素成分与Eu异常存在非常明显地正相关关系，这清楚地表明鞍本地区BIF中铁的来源与海底火山热液活动有关。9。

After eliminating the isotopic backgrounds using the AMS technique, the isobars can be distinguished with their emitted characteristic X-rays when the projectile ions collide with target.

PX-AMS方法就是利用AMS技术排除同位素的干扰后，利用入射离子和特定靶材料碰撞时入射离子发射的特征X射线进行同量异位素鉴别。

Based on the mapping of the granitic series and types, strontium isotopic trend surface analyses and isobaths of Moho surface, the deep-level sourced Yangtze series granitoids are mainly distributed in the eastern part of South China.

根据花岗岩系列和类型编图，华南地区浅源南岭系列花岗岩多產於中部和西部，深源长江系列花岗岩主要分佈在东部。

Relation between the Granite Series and Types, Strontium Isotope Compositions and Isobaths of Moho Surface in South China: Distirbution of Granite Series/Types Restricted by the Analysis of Strontium Isotopic Tendency Surface and the Depth Variation of Moho Surface

华南花岗岩分类与鍶同位素和莫霍面的关係：花岗岩系列／类型分佈与鍶同位素趋势面分佈和莫霍面深度变化的制约，王联魁；王谦身；徐文新；陈根文；张绍立-66文免费论文库，大学生论文库

Elemental and isotopic data suggest that the chemical variations of the HT and LT lavas can not be explained by crystallization from a common parental magma.

元素和同位素数据表明，HT和LT熔岩的化学变异不是由一个共同母岩浆的结晶分异作用所产生。

Elemental and isotopic data suggest that the chemical variation of the mid-Neoproterozoic rift-related basic lavas in South China cannot be explained by crystallization from a common parental magma.

元素和同位素数据表明，华南新元古代中期裂谷基性熔岩的化学变化不是由一个共同的母岩浆结晶分异作用所产生。

The petrological study and studies in element and isotopic geochemistry indicate that the pluton belongs to high-potassium calc-alkaline I-type granite, whose magma came from basic basalt in the thicken crust bottom by partial melting, and are of syn-collisional features. The pluton provides a direct petrological evidence of the plate collision and amalgalation.

岩石学、元素和同位素地球化学研究表明，岩体属于高钾钙碱性Ⅰ型花岗岩，岩浆来源于加厚地壳底部基性玄武质岩石的部分熔融作用，属同碰撞型花岗岩，是板块碰撞拼合的直接岩浆岩证据。

Sr-Nd-O isotopic element system research proves that granitoids magmas form in open system and compose a large amount of mantle contents.

Sr-Nd-O同位素系统研究表明花岗岩浆是在开放系统环境下形成的，其中含有大量地幔组分。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。