coumarins的精選

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用“coumarins”造句大全，coumarins造句

用“coumarins”造句大全，coumarins造句

2018-01-08
MethodsThecontentofthetotalcoumarinswasdeterminedbyUVspectrophotometry.ResultsTheoptimaldetectivewavelengthwas320nmforthetotalcoumarins.Intheprocessofcuttingup,"washingclean"and"moistening"influen...