“natural abundance”的概念、定义、翻译、参考文献-科学参考

单词	natural abundance
释义	natural abundance [`nach·rǝl ǝ`bǝn·dǝns] ^NUCLEONICS The abundance ratio of an isotope in a naturally occurring terrestrial sample of an element.
随便看	diazotroph diazotype Dibamidae dibasic dibasic acid dibasic calcium phosphate dibasic magnesium citrate dibenzyl dibenzyl disulfide dibenzyl ether dibit diborane diborate Dibothriocephalus Dibranchia dibromide dibromo- dibromochloropropane dibromodifluoromethane dibromomethane dibucaine dibutyl dibutyl amine dibutyl maleate dibutyl oxalate

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