DNA filamentous fungi could be provided by the modified with benzyl chloride.本文采用改进的氯化苄法,得到的DNA质量好、产量高,可以直接用于后续的基因操作.Cotton candy is filamentous, but it is a granular crystal - sugar produced.棉花糖虽然是丝状的, 但是它是用一种颗粒状的晶体 -- ...
It is IBM appoints new presiding apparitor formally firstly.其一是IBM正式任命新的首席执行官.He says, presiding apparitor about he and apple to concern his healthy issue.他说, 他与苹果首席执行官谈了有关他的健康的问题.The conference by Shandong nation powerf...
Condoms are an effective method of birth control if used with care.如果使用得当，避孕套是很有效的避孕手段。Although most condoms contain spermicide, there are some manufactured without.虽然多数避孕套含有杀精剂，但也有一些是不含的。Abstain from sex or use condoms....