Foreign Minister Zebari insisted that he doesn't think that the recent surge of violence will disrupt the timetable for U.S.troops to withdraw from major Iraqi cities in June, or for assuming security responsibilities across the country.
VOA: standard.2009.04.25
Why is cancer one of the leading killers in the U. S. now but wasn't even on the charts in 1665?
为什么癌症现在是美国人的头号杀手,却甚至没有在一六六五年的名单中出现
So delta u of reaction is approximately equal T to negative Cv for the calorimeter times delta T.
所以反应的ΔU近似等于,负的量热计的Cv乘以Δ
We probably don't find any forms of the Cassava plant ever in the U.S.
在美国很可能永远都找不到,任何形式的有这么高含量的。
Other countries--In Europe, after the 1929 crash, they had a different reaction to the scandals and problems of the '20s and it wasn't as favorable to markets as in the U.S.
929大崩盘之后,欧洲的一些国家,却对于丑闻及20年代出现的问题,有着不同的反应,欧洲政府采取的措施并不如美国那样,有利于市场发展
I don't know if any of you watched tennis recently, but the U.S. Open has been shown and there's an Oreo advertisement with the William sisters and so you--that's why people know about these foods.
不知道你们最近看没看网球赛,美国网球公开赛上有一则奥利奥广告,是由威廉姆斯姐妹做代言的,人们以这种方式听说这类食品
Other countries had set up central banks following on the Bank of England but the U.S. didn't set up a central bank; it set up a system of twelve banks and they were regional.
其他国家依照英格兰银行,建立了自己的中央银行,但是美国没有设立自己的中央银行;,美国建立了十二个银行的系统,并且这些银行是区域性的。
In other words, u is a function of T and V.
话句话说,u是T和V的函数。
OK, so for a constant volume process, du we can write du, partial derivative of dT u with respect to T at constant V, dT, dv plus partial derivative of u at constant V, dV.
好,对于一个恒定体积的过程,我们可以写出,等于偏u偏T,V不变,加上偏u偏V,T不变。
应用推荐