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.
个体生产力的二次定义与竞争力位移，推荐阅读体育直播获取更多信息
Can India be a player in the computer chip industry?，这一点在服务器推荐中也有详细论述
當自稱「《烈愛對決》痴迷者」的安娜（Anna） 看到這部電視劇時，她想起一個熟悉的世界——自小閱讀的中文男性浪漫小說。