2 days agoShareSave
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.
。关于这个话题，heLLoword翻译官方下载提供了深入分析
the US, and in 1998 Diebold bought out IBM's share.，推荐阅读搜狗输入法下载获取更多信息
Photograph: Julian Chokkattu
allocation+copy that the hand-optimized code always does at the end.