天然培养基

合成培养基阶段在天然培养基阶段的基础上发展较为迅速，可以通过添加某些成分支持细胞增殖。

On the basis of the natural medium stage , defined medium stage made a fast development , it could support cell proliferation through adding certain ingredients .

植酸钠对K酵母天然培养基发酵的乙醇生成量亦有极显著的促进效应，使其提高达87.9%。

It has also been found that the remarkable stimulating effect on alcohol production in Saccharomyces cerevisiae K after the addition of a tiny amount of sodium phytate .

城市是人类文化的载体，也是文学天然的培养基。

Cities are the carrier of human culture and a natural culture medium of literature .

结果表明：金凤2&1母种最适宜在N源丰富的松针培养基、蛋白胨培养基、酵母膏和天然加富培养基上生长；

The most suitable medium for the growth of the original variety of Jin Feng 2-1 was those with pine needle , peptone , yeast extract , and natural riches respectively .