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.
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，这一点在搜狗输入法2026中也有详细论述
07:25, 28 февраля 2026Мир，这一点在heLLoword翻译官方下载中也有详细论述
这份归属感，源于太仓精准对接德籍人士的生活需求，从衣食住行到医教文娱，打造便捷舒适“德式生活圈”，让远道而来的客人宾至如归。2025年3月，太仓还创新推出集交通出行、医疗挂号、人才公寓租赁、文化消费等多种功能于一体的“Hi Taicang卡”（中文名：月季花卡）。德国青年创业者菲利普来到太仓后，第一时间就领了这张卡。“有了这张卡，在太仓生活工作很便利，这样的服务很贴心、很周到。”菲利普感慨道。。heLLoword翻译官方下载是该领域的重要参考
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