On the Security Council's regular program of work this month will be a debate on the U.N.'s peacekeeping mission in Haiti.

VOA: standard.2009.09.02

Delta u, delta H, familiar state functions, q w changes in their values, q, w, heat and work.

U，△H，很熟悉的态函数，它们的值在变化；

麻省理工公开课 - 热力学与动力学课程节选

In the meantime, I believe that the U.S. is doing quite a bit of work in terms of raising fuel efficiency standards,

同时，我相信美国在提高燃料效率标准方面做了不少事，

对全球变暖的政策 - SpeakingMax英语口语达人

The U.S.treasury chief's comments come amid indications some European countries may work independently to regulate banks and financial markets.

VOA: standard.2010.05.26

q Work is zero. Delta u is w plus q, work plus heat. This is zero, this isn't.

功是零，△U是w加，功加上热量，这个是零。

麻省理工公开课 - 热力学与动力学课程节选

Born in Belzoni,Mississippi, Pinetop left home to work as a sideman across the Southern U.S., and eventually settled in Chicago.

VOA: standard.2010.07.20

In the case of France again, they are the work of a brilliant military engineer called Vauban, v-a-u-b-a-n.

例如法国,在佩皮尼昂 里尔 蒙梅迪等地方,这样的要塞城镇随处可见

耶鲁公开课 - 欧洲文明课程节选

The skier says he wants to work with younger team members to ensure the U.S.program continues to achieve Olympic success.

VOA: standard.2010.02.27

So delta u is just equal to the work but we also know what happens T2 because the temperature is changing from T1 to T2.

所以Δu等于输出的功,但我们也知道它会发生,同时我们知道温度从T1变到。

麻省理工公开课 - 热力学与动力学课程节选

On the implications of the U.S.military drawdown for United Nation's operations, Melkert said his staff work and live under challenging conditions.

VOA: standard.2010.08.04

It makes sense, right, because you know we got less work out and delta u is the same right, so it must be that less heat got transferred.

这是显而易见的，因为输出的功更少,且Δu相等，所以需要的热量更少。

麻省理工公开课 - 热力学与动力学课程节选

A U.S.rancher was also killed this year, and authorities say it probably was the work of a Mexican drug smuggler.

VOA: standard.2010.06.07

U And then if we can also determine delta u, then we know this, we know delta u is q plus w w, then we can determine work as well, right?

然后，如果我们也能定出△,然后我们知道这个,我们知道△U等于q加？

麻省理工公开课 - 热力学与动力学课程节选

Their aim is to work out disagreements that newspapers here say have put U.S.-Israeli relations at their worst in years.

VOA: standard.2009.07.27

U It's u, because u is to q plus w right, heat and work, but it's adiabatic. So there's no heat, exchange with the environment, and it's constant volume, so there's no p dV work, right.

什么是零？是U，因为,等于q加w，热量和功，但这是绝热的，所以系统与环境间没有热量交换；,同时它是灯体的，所以也没有pdV形式的功。

麻省理工公开课 - 热力学与动力学课程节选

U.S.states where more people said they got no physical exercise outside work lost more quality adjusted life years.

VOA: standard.2010.08.10

says a woman who once worked for a U.S.military contractor and hopes to find similar work.

VOA: standard.2010.01.30

The U.N.top climate official, Yvo de Boer reminded delegates they have their work cut out.

VOA: standard.2009.12.09

Goolsbee says recent indicators showing improvement in some sectors of the U.S.economy are encouraging Americans who had stopped looking for work to re-enter the job market.

VOA: standard.2009.06.07

Reif says this improved cooperation is expected to help the U.S.and Russia fight nuclear terrorism and work toward tougher sanctions on Iran for its nuclear activities.

VOA: standard.2010.04.04

She also said women must be at the "front and center" of U.S.development work.

VOA: standard.2010.01.06

Senator Roland Burris also blasted the program, and the U.S.government's contract with Boeing for the work, during this exchange with Customs and Border Protection Agency commissioner Alan Bersin.

VOA: standard.2010.04.21

The work ended up in a Vienna museum, but was seized by the U.S.government while it was on loan to the Museum of Modern Art in New York.

VOA: standard.2010.07.26

A member of the U.S.group Partners for Haiti, which does religious aid work, Kyn Tolson, says she has been scrambling to get in contact with people inside Haiti.

VOA: standard.2010.01.12

Scott Blackmun, chief executive officer of the U.S.Olympic Committee, said it was result of hard work "It says our athletes were well prepared, that they had a fantastic games."

VOA: standard.2010.03.01

I have a lot to learn,". A senior U.S.official who attended the meeting said Mr.Obama expressed a desire to work with UNASUR nations to confront economic, environmental,and energy challenges.

VOA: standard.2009.04.18

U.S.National Security Advisor General James Jones says the United States will continue to work closely with the Mexican government as it fights an often bloody battle against the drug syndicates.

VOA: standard.2009.08.10

One week after U.S.Secretary of State Hillary Clinton told Congress that the Obama administration will work with lawmakers to impose "crippling" sanctions against Iran, Senate lawmakers introduced legislation designed to help accomplish just that.

VOA: standard.2009.04.28

"This undermines the peace process." Mitchell has been trying to work out a deal that would lead to a three-way meeting next week with U.S.President Barack Obama, Prime Minister Netanyahu and Palestinian President Mahmoud Abbas on the sidelines of the U.N.General Assembly in New York.

VOA: standard.2009.09.16

Even if U.S.economic output expands in 2010 and more Americans head back to work, both critics and supporters of the president say the nation faces a more serious challenge to future economic viability: a rapidly growing deficit and a national debt estimated at more than $12 trillion.

VOA: standard.2010.01.15