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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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Georgina RannardScience correspondent。爱思助手下载最新版本是该领域的重要参考
It uses a Neo QLED panel with mini LEDs for precise lighting, and it features a Wireless One Connect hub so you can hide all your messy cables away from the screen itself. It's basically the most aesthetic TV on the market.，更多细节参见im钱包官方下载
Following its discovery, it was carefully lifted out of the earth in a soil block and scanned to work out where the items were positioned, before conservation began.