他说，在寻找不寻常的相关元素丰度之前，你先要充分掌握地球化学，去了解分子的入门是什么。
"You would have to establish the geochemistry well enough to know what the 'alphabet' of molecules was" before hunting for unusual relative abundances, he says.
生命若在太阳系其他地方引起相当的影响，那些对它们具有生死关键的相对化学元素丰度，无论是什么，很可能暴露它们的存在。
If life has had a comparable impact elsewhere in the solar system, the relative abundances of chemicals key for its survival -whatever they may be -could betray its presence.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
贫金属星的中子俘获元素丰度与恒星的形成和演化密切相关，它为研究星系形成早期的历史背景和化学演化提供了重要信息。
The abundances of neutron-capture elements in metal-poor stars, tightly related to the star formation and evolution, provide important clues to the chemical evolution of the Galaxy.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and...
根据不同直径CNT的缺陷位、不定型碳的丰度和碳原子的应力能，分析了其抗电化学氧化性差异的原因。
The difference in electrochemical stability of CNTs is attributed to the difference in CNT structure: the amount of defects and amorphous carbon and the carbon atom strain caused by the curvature.
酸解烃指标与整个中国陆上盆地和东海陆架盆地相比，属中等偏低丰度，呈现弱地球化学场特征。
The yields of acid hydrocarbon belong to medium to low abundance compared with those of the subaerial basins and the East China Sea shelf basin, and show weak geochemical field features.
恒星元素丰度是探讨银河系化学演化的重要探针，分析不同星族成分的元素丰度是研究银河系结构和化学演化的重要课题。
Analysis about the abundance in different stellar populations is a very important subject in study of the structure and chemical evolution of the Galaxy.
通过该区太古界一新生界氟的地层地球化学剖面及岩浆岩和土壤中氟的丰度的研究，论证了该区为一高氟的地球化学区。
This region is demonstrated as a geochemical region with high fluorine through studies on the fluorine contents of soils, magmatic rocks and the Archean?Cenozoic strata geochemical profile.
本文从有机质丰度、有机质类型及成熟度三方面对烃源岩有机地球化学特征做了详细分析。
In this paper, the organic geochemical characteristics of the hydrocarbon source rocks are described in detail in the light of the abundance, type and maturity of organic matter.
根据钻井及大量的实验测试等资料，研究了侏罗系煤系烃源岩的发育特征及其有机地球化学、有机岩石学特征，表明其有机质丰度较高，达到中等-好级别； 有机质类型以Ⅲ型为主、Ⅱ型为辅；
The hydrocarbon source rocks of coal measures developed in this basin were studied on the basis of drill cores, which involved in many fields such as geology, organic geochemistry and petrology.
铈：化学元素，周期表iii b族过渡金属中丰度最大的稀土金属。化学符号Ce，原子序数58。
Cerium: chemical element, a rare earth metal of the lanthanide series (hence having many properties of the transition elements), chemical symbol ce, atomic number 58.
铈：化学元素，周期表iii b族过渡金属中丰度最大的稀土金属。化学符号Ce，原子序数58。
Cerium: chemical element, a rare earth metal of the lanthanide series (hence having many properties of the transition elements), chemical symbol ce, atomic number 58.
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