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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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Трамп высказался о непростом решении по ИрануТрамп заявил о непростом решении по ядерной программе Ирана
Фото: Roy Ismail / Shutterstock / Fotodom，详情可参考雷电模拟器官方版本下载
Meanwhile, the company has been caught in a geopolitical tug-of-war between the US and China.。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
这一幕，令人想起2013年11月，习近平总书记在湖南考察时，来到湘西州凤凰县菖蒲塘村，了解村里扶贫开发和特色产业发展情况。在成片的柚子林中，总书记亲手帮村民摘下两个柚子。