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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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В ближайшие дни на регионы Центральной части России обрушится ледяной дождь. Об этом предупреждают синоптики Гидрометцентра, пишет «Интерфакс».
他把专家请进来,带干部走出去。县里组建了11个专题组,用3个月时间对全县商品经济的现状和前景进行了全面深入的调查和分析。最终,他创造性提出了“半城郊型”经济发展的新路子。
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Because immigrants are likely to be of working age and employed, they also paid nearly $100,000 more in taxes than the average native-born American, the study found. In their absence, national debt would reach approximately 200% of GDP, rather than the currently estimated 120%.
В России ответили на имитирующие высадку на Украине учения НАТО18:04。业内人士推荐搜狗输入法2026作为进阶阅读