isotopic
美 [aɪsoʊ'tɒpɪk] 
英 [aɪsəʊ'tɒpɪk]
英汉解释
例句
It quickly became clear, however, that the isotopic composition of meteorites differed not at all from that of the Earth itself.
然而事情很快清楚了，陨石中的同位素比例与地球自身没有什么不同。
The trick they used to do this was to look at the isotopic composition of the oxygen in the wood of local trees.
他们所使用的办法是观测当地树木的木材中的氧同位素组成（isotopiccomposition）。
The ideal choice, when isotopic composition is used to investigate the source of copper ore, would seem to be copper itself.
当同位素构成被用来研究铜矿石的来源时，理想的选择似乎是铜本身。
The osmium isotopic compositions and model age of mantle peridotite xenoliths from Jiangsu-Anhui area and their geological significance.
苏皖地区幔源橄榄岩捕虏体的锇同位素组成、模式年龄及其意义。
The ore and the magma share similar lead isotopic features which suggests a close relations between them.
矿石和岩浆岩具有非常相似的铅同位素组成，暗示了二者的亲缘关系。
Inorganic Mass Spectrometry is preferably used each time extremely low concentrations and isotopic abundance are to be determined.
每当测定非常低的浓度和同位素丰度时总是首先使用无机质谱法。
Up to now, there are no systematic geochemical studies and isotopic age for the Zhuanghe gold deposit, eastern Liaoning.
到目前为止，对辽宁庄河金矿尚没有做过系统的矿床地球化学和同位素年代学的研究。
Therefore, development of isotopic analytical techniques is always a major task of study on isotopic geochemistry.
因此发展同位素测试技术始终是同位素地球化学研究的一个主要方面。
This paper, combined with previous data, briefly summarizes the results of isotopic studies of these deposits.
本文结合前人的资料，对这些矿床的同位素研究成果作一概括性总结。
Isotopic response" describes the occurrence of a new disorder at the site of another, unrelated, and already healed skin disease.
“同位素的反应”，叙述了发生新的疾病在现场的另一无关，并已治愈的皮肤疾病。
between samples of the common ore minerals of copper, isotopic variations greater than the measurement error have not been found.
在普通铜矿的矿物质样品之间，超过测量误差的同位素差异还尚未被发现。
The characteristics of hydrogen and oxygen isotopic compositions indicate that the hot spring water iso originated from the meteoric water.
氢氧同位素组成特征表明，温泉水来源于大气降水。
The distribution pattern of the carbon isotopic compositions of the individual n-alkanes shows almost no change during this process.
同时也证明了生排烃过程不影响正构烷烃单体碳同位素组成曲线的形状；
The isotopic dating and fossil geochronometry are the basic methods of ophiolite geochronometry.
同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法。
The proportional and carbon isotopic compositions of hydrocarbon and non-hydrocarbon gases are almost identical among these gold capsules.
即不同金管之间气态烃的相对含量和碳同位素组成差异很小。
Electron impact-induced dissociation by hydrogen and its isotopic molecule will occur in edge plasma.
在边界等离子体中氢及其同位素分子与电子碰撞可以发生解离反应。
These dating methods have made great progress in the quaternary geochronology and isotopic geoscience.
这些定年方法在第四纪地质年代学和同位素地质科学中获得了很大进展。
Different metabolic pathways represent different biochemical reactions and result in significant variations in the isotopic fractionations.
不同的微生物代谢途径代表不同的生物化学反应，造成了同位素分馏的显著差异；
Researchers collected rocks and measured minute isotopic variations in rare earth elements called neodymium and samarium.
科学家收集了岩石样本，并测定了稀土元素钕和钐的微小的同位素差异。
Magma rising from deep within the Earth has a different isotopic and chemical composition than magma that forms just below Earth's crust.
从地球深处所喷出的岩浆与仅低于地壳表面所形成的岩浆有着了不同的同位素和化学成分。
The neck should be examined yearly. Isotopic scanning is not repeated routinely.
每年应作颈部检查，按常规不需要进行同位素重复扫描。
and preliminary studies indicate virtually uniform isotopic composition of the lead from a single copper-ore source.
同时，初步的研究显示，源自同一个矿井的石墨同位素组成事实上是相同的。
However, contrary to previous views, there is no isotopic evidence that Archaean rocks are present in the Mashan Complex.
然而，与以前的认识相反，麻山杂岩不存在具有太古宙基底的同位素证据。
The isotopic tracing technique is an advanced method in the research of photosynthesis of plants.
同位素示踪技术是进行植物光合作用研究十分有效的手段。
This paper also discussed the method to analyze the individual hydrocarbon isotopic composition from crude oil and coal rock samples.
本文还介绍了原油和煤可溶有机质中饱和烃络合前后的单体烃碳同位素分析方法。
Heavy water is also used in research as an isotopic tracer for chemical reactions and biochemical pathways.
在实验研究中，可用作化学过程和生物化学过程的同位素示踪剂。
There exist possible isotopic fractionation effects in generation-expulsion process of terrestrial source rocks.
在陆相干酪根生排烃过程中，烃类可能会发生同位素分馏效应。
This paper describes Pb, H, O, C isotopic feature which provide metallogenic information for the deposits.
文章阐述了金矿床的硫、铅、氢、氧、碳等同位素地球化学特征，从而提供了矿床成因信息。
Compared with water amount, the quality of aqueous medium has less effect on the yields, components and hydrogen isotopic composition.
与加水量相比水介质性质对有机质成气产率、组分组成和氢同位素组成的影响较小。
The molecules' structures and isotopic signatures record their biological origin and history.
分子构造和同位素标识记录了他们的生物学起源以及历史。
Precise determination of the platinum-group elements and Os isotopic ratios in low-level rock samples.
岩石样品中低含量铂族元素和锇同位素比值的高精度测量方法。
National Geographic reports that isotopic dating and DNA experiments revealed the unusual pairing of body parts.
据《国家地理杂志》报道，同位素定年和DNA检测结果显示，这两具木乃伊的身体部位“不寻常”。
In the safeguards environmental sampling, analyzing isotopic ratio of single uranium-bearing particle in swipe samples was very important.
在核保障环境取样分析中，对含铀单微粒进行元素和同位素分析是十分重要的。
Isotopic studies from geothermal fields indicate that about 95% of the thermal fluid from steam wells is meteoric in origin .
地热田油同位素研究证明：蒸气井热流体的95%左右是大气降水成因的。
The H-O isotopic compositions of fluid inclusion represent the mixture of atmospheric precipitation.
流体包裹体中H、O同位素反映在成矿的过程中有大气降水加人。
It's very difficult to explain and evaluate information owing to the isotopic pollution which leads to untruth well log information.
由于存在同位素污染，造成测井资料失真，给解释评价带来困难。
An isotopic fractionation of boron during evaporation of seawater was investigated.
对自然界海水蒸发过程中的硼同位素的分馏进行研究。
Stable isotopic method can be used effectively in the diagenetic research of deep water carbonate rocks.
稳定同位素方法可以有效地应用于深水碳酸盐岩的成岩作用研究。
By using hydrogeochemical and isotopic methods, the origin of the geothermal water and the CO2 gas were discussed.
利用水文地球化学方法、同位素分析方法等，对地下热水和二氧化碳气体的成因进行了分析；
It is showed that compensated neutron logging can be realized by using neutron generator instead of isotopic neutron source.
结果表明，可以用中子发生器代替同位素中子源实现补偿中子测井。
