N sources

• 氮源

N sources的用法和样例：

例句

1. This study is about carbon and nitrogen nutrient sources utilization.
   摘要通过试验探讨茶树菇对碳源和氮源的利用。
2. The effects of inorganic and organic nitrogen sources on synthesis and secretion of gentamicin in shake flask fermetation were studied.
   研究了无机与有机氮源对庆大霉素合成与分泌的影响。