non protein nitrogen是什么意思 non protein nitrogen怎么读
non protein nitrogen的相关资料
non protein nitrogen的用法和样例
- The effect of nonprotein nitrogen on the growth of strains that can produce single cell protein in sweet potato waste is studied in this paper.
主要研究了非蛋白氮对选育的山芋淀粉渣单细胞蛋白生产菌株生长的影响。
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