However, Koch never credited the Hesses for their discovery of bacteriological agar, perhaps because, at the time, he failed to recognize its importance. Even after he received the insight about agar from the Hesses, Koch stuck with gelatine for years. In 1883-84, during his first medical expedition to Egypt and India to investigate cholera, he tried and failed to grow the cholera bacterium on gelatine media in the hot climate of Cairo (despite using a half-open fridge for incubation), only succeeding in the colder winter of Calcutta.
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入园的选择很怕孩子排不上想去的幼儿园,所以从2岁开始就各方打听家附近的幼儿园情况,然后我总结了一下选择优先级,给有宝宝的朋友们参考一下:。关于这个话题,一键获取谷歌浏览器下载提供了深入分析
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