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This was especially vexing to physician and bacteriologist Robert Koch, who, in seeking to culture his bacteria, “bent all his power to attain the desired result by a simple and consistently successful method,” wrote bacteriologist and historian William Bulloch in his 1938 book, The History of Bacteriology. “He attempted to obtain a good medium which was at once sterile, transparent, and solid” and got some results with gelatine.6 But gelatine is easily digested by many microbes and melts at precisely the temperatures at which the disease-causing microbes Koch wanted to study grow best.
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崔元俊称,同样地,三星也尚未承诺再推出一款TriFold三折叠手机。三星首款三折叠手机Galaxy Z TriFold售价近3000美元,配备两个铰链,展开后是一款大尺寸平板电脑。但他暗示,该公司正在研发标准版Galaxy Z Fold的更宽屏版本,其形态可能与苹果公司计划推出的首款折叠机型相似。
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