关键词：超声；非热杀菌；杀菌；平板活菌计数 [gap=1171]Key words：ultrasound；non-thermal sterilization；inactivation；viable plate count
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Tube plate method, tube dilution method and viable count method were used to determine the inhibitory activity of traditional Chinese medicine injection in vitro, such as Houttuynia Cordata Thunb etc.
采用管碟法、试管法、活菌计数法对鱼腥草等中药注射液体外抗菌活性进行测定，结果表明采用活菌计数法，用原液可以测出用管碟法所不能测出的中药抑菌作用。
The number of viable cells was compared with the plate count before and after lyophilization to calculate the survival rate.
平板计数法比较冷冻干前后的活菌数，计算存活率。
Numbers of viable bacteria obtained by DVC were higher than that by traditional spread plate count by up to two orders of magnitude.
以DVC法测定出的活细菌数较常规平板涂布培养法高2个数量级。
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