查询词典 isotope

This means the atmosphere arrived far later than expected. To confirm that comets contributed to the atmosphere, scientists will need to analyze the krypton and xenon isotope ratios in the cometary samples recently captured by NASA's Stardust mission, says geochemist and lead author Greg Holland, also at Manchester.

同样来自曼彻斯特大学的地球化学家、研究论文的第一作者格雷格·霍兰说，为了证实彗星促进了大气的形成，科学家们需要分析由美国航空航天管理局的"星尘"号航天行动最近获取的彗星样品，分析其中的氪和氙同位素比值。

Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academiy of Sciences, Guangzhou 510640, China

中国科学院广州地球化学研究所同位素年代学和地球化学重点实验室，广东广州 510640

In recent years, the study of excess argon genesis in high-pressure white micas is a hot topic in the field of isotope geochronology.

中文摘要：近年来，高压成因白云母中过剩氩研究成为国际同位素年代学界的一大热点。

However, there are considerable differences in their initial Sr and oxygen isotope compositions, indicating that the monzogranite was not derived from the granodiorite.

然而二者的初始Sr同位素组成存在一定的差异，表明二长花岗岩并非是花岗闪长岩分异作用的产物。

In some way, the nature of the geochemical field shows that the deep fluid took part in the energy mineral reservoir formation and mineralization.2、 In zones with the strong tectonic activity and basement faults, the elements combination of petroleum is complex and the material from deep resource can be found in which. The character of elements geochemical and carbon isotope all show that there are deep fluid components in some Energy Minerals. The material source of the water accompanying with petroleum reservoir is complex, and which with multi-sources. The character of elements geochemical shows that the uranium of Dongsheng uran ore comes from the upper crust, the greyish-green gritstone and hoary kaolinised argillaceous siltstone is important for the formation of uranium deposits,and the grey gritstone is great potential to surveying uranium deposits .

基底断裂带和构造活动强的区域，原油中元素组合复杂，并含有深源物质；元素地球化学特征和同位素特征反映部分能源矿产中含有深部流体成分；盆地内油气藏伴生水的物质来源较为复杂，具有多源性；元素地球化学特征显示东胜铀矿的铀源主要来自上地壳，灰白色高岭土化泥质粉砂岩及灰绿色粗砂岩对铀矿的形成具有重要的意义，灰色粗砂岩具有良好的找矿潜力；元素地球化学特征还表明，黑岱沟煤及煤层夹矸中微量元素来源于上地壳。

As a tracer isotope was la- belled in harmine and 〓-Harmine emulsion,〓-Harmine solution and 〓-Harmine liposome were prepared respectively.

说明药物的分配系数与其在乳剂中的相分配和体外释药三者之间存在相关关系。

Based on the helium isotope composition of eclogites, some ofthose problems are discussed in this paper.

本文通过对该地区榴辉岩的氦同位素研究对上述问题进行探讨。

This text summarized the advancement of the use of isotope analysis of herbicide remainder.

本文综述了利用同位素示踪技术对除草剂的残留分析进展。

3 The poisonous, harmful or radioactive workplace is prone to contingent occupational injuries or the transportation/storage of radioactive isotope fails to meet the provision of Article 23 hereinabove

可能发生急性职业损伤的有毒、有害工作场所、放射工作场所或者放射性同位素的运输、贮存不符合本法第二十三条规定的

The Materials and Methods section now includes details for measuring uptake of isotope and assaying hexokinase.

在材料与方法段中已包括了 xxx 的细节。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。