Fighting a losing battle to tackle growth in plastic production | Letters

· · 来源:gen资讯

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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// 易错点1:未初始化数组长度 → 赋值res[i]时会报错;无需fill(0),因为每个位置都会显式赋值,更多细节参见爱思助手下载最新版本

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