Cosmochemistry is the study of the chemicals found within the Solar System, including the origins of the elements and variations in the isotope ratios.
宇宙化学是研究发现的化学品的太阳能系统，包括起源的要素和不同的同位素比值。
2
The relative large lithium isotopic fractionation in natural samples has useful application in the fields of geochemistry cosmochemistry and nuclear chemistry.
自然界锂同位素分馏强烈，这使得它在很多方面都得到了应用，如地球化学、天体化学和核工业等。
3
The spectral research on sulfur-containing radicals is of great significance in many fields such as atmospheric chemistry, combustion chemistry, cosmochemistry and so on.