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来源:百度知道 编辑:UC知道 时间:2024/05/10 14:36:30
In order to understand the backwoods coli in food growth rule, this experiment has gathered in the Yangchow market meat product and the dairy products altogether 26 samples, carries on the backwoods coli through the conventional method to separate, and used the doubtful backwoods coli growth curve which the photoelectricity turbidimetric method half separated out to carry on the determination.The separation result indicated 26 sample Chinese Communist Party separates 5 doubtful backwoods coli, the separative rate reaches 19.2%.The growth curve indicated these five doubtful backwoods coli in vaccinates in the latter 10 hours the number to increase few really, the showing growth speed is slow; But in vaccinates in for 12~24 hours the bacterial content to grow extremely quickly by the stable geometric series, explanation bacterium growth reproduction speed.