pb isotopic analysis 铅同位素比值
lead isotopic analysis 铅同位素示踪方法
stable isotopic analysis 稳定同位素分析
oxygen isotopic analysis 氧同位素分析
in-situ isotopic analysis 原位微区同位素分析
zircon Hf isotopic analysis 锆石Hf同位素测量
stable nitrogen isotopic analysis 稳定氮同位素分析
Being a noble gas, it resists chemical bonding with other elements and is thus easy to purify for isotopic analysis.
由于氙是惰性的，不易与其他元素产生化学键，因此很容易纯化以进行同位素分析。
An isotopic analysis of the grains has made that fear come true.
一项对这些颗粒的同位素分析让这种担心成真了。
Then using techniques of biomarkers and isotopic analysis of saturated and aromatic hydrocarbons to determine oil and gas sources and secondary changes;
然后运用饱和烃、芳烃等生物标志化合物以及同位素分析等技术手段，判断油气来源以及经历的次生变化；
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