同位素

It exists to provide collaborative research and training, in both stable and radiogenic isotope disciplines for, primarily, UK academics and Natural Environment Research Council institutes.

其目的是为英国的学院、自然环境研究委员会提供关于同位素方面的合作性研究、训练，同时还参与英国、欧洲以及国际性理论与应用研究等。

Rare gas is an important constituent for indicating natural gas geochemical characteristics. Radiogenic argon (40Arr) is widely applied to isotope chronology and gas and source rock correlation.

稀有气体是天然气中指示其地球化学特征的重要组分，放射成因氩的年代积累效应广泛应用于同位素定年和天然气的气源对比。

The argon includes primordial 36Ar, and the radiogenic isotope 40Ar, providing an important constraint on the outgassing history of Titan.

氩包括原始的 36Ar，和由放射能产生的同位素 40Ar，为研究泰坦的除气作用的历史提供一个重要的证据。

There is an introduction to Mars meteorites, and detailed descriptions of individual Mars meteorites. Each document about the individual meteorites contains all existing information such as petrography, whole rock and mineral chemistry, radiogenic, cosmogenic and stable isotope data and weathering.

该站点详细的介绍了火星陨石及其各自的具体特点，这些以PDF格式保存的档案文件包含了岩石记述学、岩石和矿物化学、射电数据、宇宙测年数据、稳定同位素数据等。

The radiogenic lead of coal fly ash is obviously higher than that of gasoline and diesel oil, which can serve as the discrimination criterion to distinguish the aerosol lead sources.

铅同位素含量数据表明成都市近地表大气尘的铅污染是复合污染源所致，其中，相对清洁区污染以建筑扬尘为主，中度污染区是汽车尾气和扬尘的叠加作用，重污染区是燃煤飞灰汽车尾气和工业污染源的综合表征。

The Wandashan massif, in which occurred HIMU-type OIBs with highly radiogenic Pb isotope compositions from the Raohe area, is a foreign terrane accreted to the CAOB.

其中在完达山地体的饶河地区出露了一套异常高Pb同位素比值的HIMU型洋岛玄武岩，代表了中生代的新增生外来地体。

The Sr Nd Pb isotopic compositions of crust lavas are characterized by higher initial Sr isotopic ratios,lower Nd isotopic ratios,large εNa and enrichment in radiogenic lead.

罗布莎蛇绿岩是雅鲁藏布江蛇绿岩带东段出露较好，也是研究程度较高的（蛇绿岩片之一，其壳层熔岩的Sr，Nd，Pb同位素组成具有较高的ISr值，较低的Isd值，大的εNd值和富集放射性成因铅的特征。

A newly developed production machine was introduced, which was used to produce radioisotope capsule for medical treatment.

摘要介绍了一种新研制开发的用于医疗行业的同位素胶囊生产机。

Newly developed production machine was introduced, which was used to produce radioisotope capsule for medical treatment.

bstract 介绍了一种新研制开发的用于医疗行业的同位素胶囊生产机。

It will be an excellent alternative for instruments based on radioisotope or fluorescent-labeling techniques.

它应该是取代放射性同位素或荧光标签技术的另一个极佳选择。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。