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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河南、湖北也明确规定，对不符合签发条件未获得《出生医学证明》的新生儿，由县级卫健部门出具《不予签发告知书》，户口登记机关经调查核实后依照有关规定为其办理户口登记。，详情可参考91视频
随后，IBM 在官方博客中回应称，主机平台的价值与编程语言无关，无论是 COBOL、Java 还是其他语言，平台都能提供一致的性能与安全性。