Incorporation of a dideoxy analog prevents further elongation and so produces a chain termination extension product.双脱氧类似物的插入将阻止进一步延伸,而产生链终止延伸产物.International Economic Consultants Incorporation国际经济咨询公司Such simplified rad...
Meanwhile, acetone was a polymerization inhibitor in preventing the self - polymerization ofp - methoxybenzyl chloride, and 11.同时探索了甲氧基苄氯自聚的阻聚剂, 初选的阻聚剂丙酮可使甲氧 基苄 氯粗品的收率提高11....
'Of course we can't afford to take chances,'agreed Winston dutifully.“ 当然啦,我们不能抱侥幸心理, ” 温斯顿顺从地同意.Major Winston galloped into the distance.温斯顿少校策马疾驰而去。She's asking for trouble, flaunting herself like t...
You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。It was just then that I chanced ...
Petroleum engineers plan and manage the extraction of oil.石油工程师规划并管理石油的提炼。Zidane has become the poster child for a whole generation of French-born youths of North African extraction.齐达内已成为在法国出生、有着北非血统的年轻一代的典范。The local e...