The summit will take place at a convention center recognized for leadership in energy and environmental design.

VOA: special.2009.07.13

So when we talk about orbitals in multi-electron atoms, they're actually lower in energy than the corresponding h atom orbitals.

它们的能量实际上,比对应的氢,原子轨道要低。

麻省理工公开课 - 化学原理课程节选

So this means that we have two of the electrons are lowered in energy, but two are raised in energy.

这意味着两个电子能量降低,两个电子能量升高。

麻省理工公开课 - 化学原理课程节选

Bernard Bilski and Rand Warsaw wanted to patent a method to let traders protect against the risk of price changes in energy markets.

VOA: special.2010.07.16

That is to say I can now reroute that sodium plus chlorine reaction and go a different way, but I still end up with the same change in energy.

也就是说，我可以重新定义一种,钠与氯的反应途径,从另一种途径来实现反应，但是能量的变化过程相同。

麻省理工公开课 - 固态化学导论课程节选

They say it will save more than four million dollars a year in energy costs.

VOA: special.2009.05.22

It only cares what temperature is. If temperature is constant, there's no change in energy.

如果温度是常数,能量就没有变化，对理想气体。

麻省理工公开课 - 热力学与动力学课程节选

Senator John Barrasso, from the western state of Wyoming, says Republicans support a comprehensive plan to double the U.S.investment in energy research.

VOA: standard.2009.05.23

Milton anticipated and lovingly invested all of his energy in his future literary power and his future literary fame.

米尔顿预测到了他将来在文学领域的力量和声望,并且钟情的将他所有的精力投入到文学中。

耶鲁公开课 - 弥尔顿课程节选

Last year alone, colleges and universities across the country created more than 100 major or minor programs in energy,sustainability, environmental studies and other so-called green subjects.

VOA: standard.2010.04.22

You get things in the energy of the room with so many students so you wouldn't just get from your computer.

和大家一起，在课堂的气氛中学习,而不是仅仅对着电脑。

哈佛公开课 - 幸福课课程节选

According to the USA Today newspaper, the Obama Administration estimates that opportunities in energy and environmental occupations will grow by 52 percent by 2016 - compared to just a 14-percent increase in other fields.

VOA: standard.2010.04.22

Sometimes we might just directly tell you that's probably the easiest scenario, because when we think about work functions those are usually reported in energy.

有时候我们可能只是直接告诉你,那可能是最简单的情况，因为当我们考虑功函数时,它们经常用能量来记录。

麻省理工公开课 - 化学原理课程节选

For weeks,President Obama has maintained that his record-breaking $3.6-trillion budget for the next fiscal year makes vital investments in energy,health care,and education that will pay dividends once the nation emerges from a deep economic recession.

VOA: standard.2009.03.22

So if we have a negative change in energy for any reaction as it's written, what that actually means is we're giving off energy as the reaction proceeds.

如果我们像这里写的这样,在任何一个反应过后，得，到的能量变化为负值,这就意味着我们在这个过程中放出了能量。

麻省理工公开课 - 化学原理课程节选

"And they will see President Obama's higher taxes, more spending,more debt, more government intervention in our economy,in the banks, in the auto industry, in health care and in energy as largely responsible for that lack of job creation,"

VOA: standard.2009.12.15

And instead of having the electron giving off energy as a photon, instead now the electron is going to take in energy from light and move up to that higher level.

与电子以光子形式施放能量不同,我们现在要从光中,获得能量到一个更高的能级。

麻省理工公开课 - 化学原理课程节选

a vision of America where growth is not based on real estate bubbles or overleveraged banks, but on a firm foundation of investments in energy, education and health care that will lead to a real and lasting prosperity,"

VOA: standard.2009.03.21

So, in other words, this c l minus is actually lower in energy than the reactants were.

也就是说，负一价氯离子,比原来的反应物的能量更低。

麻省理工公开课 - 化学原理课程节选

The World Economic Forum will also discuss global warming, investment in low-carbon forms of energy in developing countries and other issues.

VOA: special.2009.01.23

So, I've got ion pair formation, and I've got a huge decrease in energy because a donor is able to express that urge, an acceptor is able to express that urge.

所以我能得到形成的电子对，同时能量也大幅下降,因为失电子方要表达它的迫切，得电子方也要表达它的迫切。

麻省理工公开课 - 固态化学导论课程节选

The owners of the historic building say a planned make-over will reduce energy use in the building by thirty-eight percent.

VOA: special.2009.05.22

So, in this class we'll be talking about energy a lot, and it's often useful to draw some sort of energy diagram to visualize the differences in energy that we're discussing.

所以，这堂课我们会讨论很多,关于能量的问题，讨论时，画能级图来使能量差别,形象化常常是很有用的。

麻省理工公开课 - 化学原理课程节选

Many people who work in fishing part of the year also depend on well-paid jobs in offshore energy.

VOA: special.2010.06.19

They're not interacting at all so that's why the energy is the same as that for two individual atoms, that's what we're dealing with. As we get closer together, we start get lower and lower in energy.

它们之间没有任何相互作用，因此,体系的能量就等于两个分开的原子的能量，这就是我们要处理的，而随着我们的距离越来越近，我们的能量开始变得越来越低。

麻省理工公开课 - 化学原理课程节选

But they believe there is a helpful change in the way the body processes energy in the monkeys that eat fewer calories.

VOA: special.2009.09.01

And we haven't talked about reactions at all yet, so you don't need to worry about the specifics of that exactly, but just that if you have this negative change in energy, you have a more stable product than you do reactant.

当然我们还没有开始讨论反应，所以你不用担心它的细节是怎么样的，你只需要知道，如果能量的变化是负值，那么你将得到一个比反应物更稳定的生成物。

麻省理工公开课 - 化学原理课程节选

He won an award for his work in atomic energy from the Atomic Energy Commission in nineteen fifty-four.

VOA: special.2009.06.14

So, if we took the case of nitrogen, if we add an electron to nitrogen and go to n minus, we find that the change in energy is 7 kilojoules per mole.

如果我们以氮为例，如果我们给氮增加个电子令它变成-1价的氮，我们会发现能量的变化是，7，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

So the most basic answer that doesn't explain why is just to say well, the s orbital is lower in energy than the p orbital, but we now have a more complete answer, so we can actually describe why that is.

所以最基本的答案是那没有解释,所以我们事实上可以描述，为什么是那样，但是我们现在有一个更复杂的答案，又是有效电荷量。

麻省理工公开课 - 化学原理课程节选