Warning: file_put_contents(): Only 0 of 4964 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/28094.com/index.php on line 55 isotopic enrichment例句_isotopic enrichment英汉例句_isotopic enrichment双解例句_贰靶汉英词典
The isotopic fractionation under microbial actions belongs to the kinetic isotopic fractionation, which results in the enrichment of heavier isotopes in . 通过热模拟实验，系统研究了单质硫在有机质生成甲烷过程中对其碳同位素分馏的影响。