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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。91视频是该领域的重要参考
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在河南省延津克明面粉有限公司的化验室，工作人员正在用专业仪器测定小麦的面筋含量、面团稳定时间等。公司负责人宋利刚把麦子摊在手心细看，又放进嘴里嚼一嚼，“麦子颜色偏深，硬硬的，嚼着有韧性，一准是强筋麦。”很快，仪器测定结果出来，湿面筋含量32%。