知识贝壳
知识贝壳
所属栏目：发酵生物技术英语
The basic nutritional requirements of heterotrophic (异养型的),microorganisms are an energy or carbon source,an available nitrogen source,inorganic elements,and water,for some microorganisms,growth factors (生长因子) and oxygen are also needed.The elemental compo ......（本文共 4344 字 ） [阅读本文] >>