Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.

那是个装满了氢原子并含有电极的管子,通过增加一个电压，他让气体燃烧起来了。

麻省理工公开课 - 固态化学导论课程节选

This quantity is exactly zero for an ideal gas and we'll discover why eventually it has to do with what we mean by an ideal gas it turns out.

对理想气体它是零,这点我们接下来会知道是,为什么，这与为什么我们叫它理想气体有关。

麻省理工公开课 - 热力学与动力学课程节选

Natural gas is considered the cleanest of the fossil fuels, the fuels created by plant and animal remains over millions of years.

VOA: special.2009.10.23

No one was injured in a blast which was attributed to the buildup of gas by one town official."

镇政府天然气泄漏导致爆炸,所幸并无一人受伤",因而并无人员在爆炸中受伤]

耶鲁公开课 - 心理学导论课程节选

Carbon monoxide gas is created by fuel burning devices because not all of the fuel is burned.

VOA: special.2010.02.02

So wherever you happen to be, when you run out gas, there was a gas station close by.

这样无论你在哪里需要加油时,附近就会有一个加油站

耶鲁公开课 - 博弈论课程节选

Gas shale exploration is being done mainly by small to medium sized companies.

VOA: special.2009.10.23

And so, by and large, until this freon was invented by Midgley, there wasn't a good gas that had the right properties to be used for a refrigerant.

因此，总的说来，直到Midgley发明氟利昂，没有一个气体,能被很好的用作制冷剂。

麻省理工公开课 - 固态化学导论课程节选

Expanded U.S.sanctions would cover petroleum, petroleum by-products, oil or liquefied natural gas, tankers,and products used to construct or maintain pipelines.

VOA: standard.2009.09.25

Here just two, so we changed the number of moles of gas by three. All right, how much did it matter, right?

所以我们将气体的摩尔数,改变了3摩尔，好，它会起多大作用？

麻省理工公开课 - 热力学与动力学课程节选

Does measures seem to low emissions of greenhouse gases by raising the cost of gasoline, coal,natural gas and other fossil fuels.

VOA: standard.2009.12.12

Because they're trying to, they're competing for voters who happen to be close, or running out of gas at those moments, and by crowding together they avoid being out competed by each other in terms of position.

因为他们试图,他们都为了拉拢附近客源或是那些,刚刚耗完汽油的顾客而相互竞争,它们通过挤在一起,避免自己因为选址的问题而被淘汰出局

耶鲁公开课 - 博弈论课程节选

The demonstrators were kept away from the summit site by thousands of police, troops,helicopters, boats,tall fences and occasionally,tear gas.

VOA: standard.2009.09.25

du/dV under constant temperature was equal to zero for an ideal gas. And by analogy, we expect the same thing to be true here, because enthalpy and energy have all this analogy going on here. So let's look at an ideal gas.

偏U偏V在恒温下等于零,可以类比，我们希望在这里也一样，因为焓和能量有很强的类比性，让我们看看理想气体,【理想气体】

麻省理工公开课 - 热力学与动力学课程节选

Mr.Obama and Democrats in Congress are backing a "cap and trade" bill, which aims to cut greenhouse gas emissions 17 percent by 2020.

VOA: standard.2009.05.30

Police responded by using tear gas, water cannons, baton charges and rubber bullets to disperse the crowd.

VOA: standard.2009.09.01

But in certain landfills, including some accepting the BP cleanup, waste,heat and methane gas produced by decomposition are being used to generate energy.

VOA: standard.2010.08.05

The draft constitution laid claim to oil and gas rights that are contested by the central government.

VOA: standard.2009.07.29

Officers responded by firing tear gas shells and using their bamboo sticks to repel demonstrators.

VOA: standard.2009.03.28

By 2013,Lithuania wants to have a new natural-gas power plant, but experts caution that this will not be enough to meet the country's energy needs.

VOA: standard.2010.01.01

Most of the electricity Americans use is produced by coal,natural gas, or nuclear generation.

VOA: standard.2010.03.23

Under his stewardship, the European Union has adopted an ambitious climate-change program that aims to cut greenhouse gas emissions by 20 percent or more by 2020.

VOA: standard.2009.09.16

Police responded by firing tear gas and beating back protesters with batons.

VOA: standard.2009.03.15

Satinath Sarangi, a prominent activist working with the victims of the gas leak, says the fight could be led by the generation born in the aftermath of the disaster.

VOA: standard.2010.06.10

The White House says President Barack Obama will attend next month's climate change summit in Copenhagen,Denmark, and will make a provisional pledge to cut U.S.greenhouse gas emissions by 17 percent from 2005 levels by 2020.

VOA: standard.2009.11.26

It is not clear what it will be able to do to help revive energy talks with Uzbekistan, Kazakhstan and Turkmenistan, During negotiations in the Czech capital,Prague, the three natural-gas producing nations were not convinced by E.U.offers of more trade and stronger transport links in exchange for their participation in a multi-billion-dollar gas pipeline, known as Nabucco.

VOA: standard.2009.05.11