Purifying it involved a clever trick using enzymes that can identify and destroy the genetic material of micro-organisms without also destroying too much of the DNA of interest.
有一个巧妙的方法来纯化dna，用一种酶能够辨别和摧毁微生物有机体的遗传物质而不会销毁太多相关的DNA。
If the component or material breaks down, all the voltage would be applied to the ammeter's input, possibly destroying it.
如果元件或材料发生击穿，全部电压都会加到安培计的输入端，从而可能将其损坏。
Material and method 80 patients were treated by the heat effect of CO 2 laser by burning axillae hair follicle and destroying apocrine gland since 1991 in our hospital.
资料和方法总结我院从1991年应用二氧化碳激光聚光后的热效应烧灼气化腋毛囊破坏大汗腺治疗腋臭80例。
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