There are several ways to separate excited from unexcited molecules, thus harvesting the desired isotope.目前有几种方法可以把受激发分子同未受激发分子分离开, 这样,就可以大量得到我们所需要的同位素了.He was still unexcited.他仍然不激动....
We lived on the breadline to get our son through college.为了供儿子读完大学，我们生活非常拮据。Most of the unemployed in this area are on the breadline.这一地区的失业人口大多数都十分贫困.The widow and her children are on the breadline.这个寡妇和她的孩子们日子过得很苦,仅能维持...
Did equilibration take place before or after setting of chromite and silicates?究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?The commercial product however, containing silica and silicates, has a positive effect.然而含有硅石和硅酸盐的工业品都有肯定的效果.In ot...
I gave Coe an impersonal stare.我不带任何感情地盯着科。Purpose : To assess utility of HRCT for detecting chronic obstructive emphysema ( COE ) .目的: 观察慢性梗阻性肺气肿的 HRCT 表现.Mr. Coe: Return, please. I'd like a direct flight, if possi...
能从其他废料中分离出可重复利用成分是很关键的。The ability to separate out reusable elements from other waste is crucial.它是包装盒标明的成分之一。It is listed among the ingredients on the package.生产商必须按用量多少的顺序将成分列出。Manufacturers must list ingredients in or...