6. 从“十四五”到“十五五”中国经济化危为机的重大成就与展望 - 中国社会科学院工业经济研究所, gjs.cssn.cn/kydt/kydt_k…
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时隔多年，阿豪的母亲与大舅在越南碰面，前往故居。（受访者供图）。同城约会对此有专业解读
Annabel Amos,in Daventry
Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.