isotopic composition

美 
英 
  • un.同位素成分
  • 网络同位素组成；同位素组分

英汉

网络释义

un.
1.
同位素成分

例句

释义:
全部全部,同位素成分同位素成分,同位素组成同位素组成,同位素组分同位素组分
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
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。
dictsearch.appspot.com
2.
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）。
www.ecocn.org
3.
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。
www.bing.com
4.
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。
www.mymbahome.com
5.
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。
dict.bioon.com
6.
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。
soso.361xs.com
7.
The isotopic composition of hydrogen and oxygen in heavy water are analyzed by using a high-resolution mass spectrometer.
用高分辨率质谱计分析了重水中氢与氧的同位素组成；
www.chemyq.com
8.
The isotopic composition of lead, sulphur and carbon demonstrate a complex source of ore forming material.
用硫、碳和铅同位素组成说明成矿物质的复杂来源。
www.magsci.org
9.
Stable isotopic composition of fossil ostracode is used as an ideal proxy for paleo- lake sedimentary environments.
介形虫化石壳体被认为是反映古湖泊沉积环境的理想对象。
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10.
how could such a change in isotopic composition have come about
同位素的组成有这样的变化，究竟是如何发生的？
www.ichacha.net