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None of his workers were ever killed while putting out oil well or gas fires.
VOA: special.2009.03.22
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Now, we saw before, or really I should say we accepted before, that for an ideal gas, u was a function of temperature only.
我们已经看到,或者说我们已经接受这样一个事实，即理想气体的内能只和温度有关。
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Gas phase single atom. So we don't have to deal with work function or any kind of energies associated with some condensed form of matter.
气相的单原子，所以我们不需要再,处理功函数的问题,以及和凝聚态相关的能量问题。
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They say many people die or are injured by the gas because they do not use these devices correctly.
VOA: special.2010.02.02
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Or, if we know the equation of state from a model, ideal gas, van der Waal's gas, whatever, u now we can determine u.
或者如果我们知道模型的状态方程,比如理想气体，范德瓦尔斯气体，无论什么，我们就可以利用状态方程得到内能。
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Any device that burns fuels such as coal,oil or wood can create the gas.
VOA: special.2010.02.02
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As I say, red tends to be chosen, but then if you get lab experiments showing that that particular color of gas blue is somehow or another sort of more invasive of your consciousness than red is, then you move away from the arbitrariness of the choice of red as a color.
所以人们就倾向于选择红灯，但是如果你想用实验证明,比如说烟蓝色或者,其他任何另一种颜色比红色更加醒目，那么你就忽视了颜色选择上的任意性。
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Patients may be asked to identify smells like smoke, natural gas or fruits.
VOA: special.2009.09.15
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In product placement, you might think when you're placing a gas station, you might think it would be nice if gas stations spread themselves evenly out over the town or out over the road.
在产品植入领域里,假设你在考虑设立一个加油站,你会想如果加油站,能均匀覆盖城镇每个角落,或者遍布整条公路那该多好
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Natural gas stoves and gas dryers or charcoal grills also create carbon monoxide.
VOA: special.2010.02.02
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So, no matter whether or not you write out the full form here, or the noble gas configuration where you write ne first or whatever the 3s1 corresponding noble gas is to the core electrons, we always write out the valence electrons here.
所以无论你是否,写出了完整形式，或者对应于价电子的惰性气体,再一次,我们可以写Ne然后，我们总是可以在这里写出价电子。
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How quickly this can happen depends on the length of time a person is breathing the gas and the amount of the gas he or she breathes in.
VOA: special.2010.02.02
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While these gas molecules or atoms through first approximation, are like hard spheres.
可以看做刚性小球,每一个分子会占据。
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Many firefighters have the necessary equipment to find or identify the gas.
VOA: special.2010.02.02
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Maybe you're not looking at a reaction, but you've got some new compound, and you're looking at it go from liquid to solid or to gas.
也许你研究的不是一个反应,但你得到了一种新的化合物,你看着它从液体变成了固体或气体。
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This causes the rock to break, or fracture,releasing the gas.
VOA: special.2009.10.23
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So from measured equation of state data, or from a model like the ideal gas or the van der Waal's gas or another equation of state you know this.
所以，从测量的到的状态方程的数据，或者从状态方程模型比如理想气体方程,范德瓦尔斯方程或者其他状态方程,我们就可以知道。
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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
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It means that the molecules or the atoms and the gas don't know about each other.
气体分子本身的体积,可以忽略不计。
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Cabot must also repair defective construction on its gas wells or shut them down.
VOA: standard.2010.01.02
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The atoms or molecules in the gas don't know that there are other atoms and molecules in the gas, and then you end up with this universal property. All right, so gases that have this universal property, even when the pressure is not zero, those are the ideal gases.
可以忽略,这样就得到了理想气体的性质,在有限压强下,依然能保持这些性质的气体，被称为理想气体，本课中我们把大部分气体，都作为理想气体来处理。
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Most of the electricity Americans use is produced by coal,natural gas, or nuclear generation.
VOA: standard.2010.03.23
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Now, if you're an engineer, and you use the ideal gas law to design a chemical plant or a boiler or an electrical plant, you know, a steam plant, you're going to be in big trouble.
比如说锅炉，蒸汽机,我们会遇到一个大问题：,我们设计的机器将无法运作，因为对大部分实际气体。
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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
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So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.
焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。
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Unfortunately we did not benefit from the oil or the gas."
VOA: standard.2010.04.20
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Or in many kinds of gas refrigerators where you push a gas through a nozzle close to room temperature, what you find is that the gas coming out on the other side under lower pressure is cooler than the gas that went through on the other side.
或者在很多种压缩气体式冰箱中,你让气体通过接近室温的管口,你会发现从压力低的一边,出来的气体比通过,另一边的气体更冷,真正的冰箱实际上通过。
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And then V minus the excluded volume term is equal to RT. Two parameters, this is the attraction between two atoms or molecules in the gas phase.
以及V减去一个排斥项,等于RT，两个参数，这是气体状态下两个原子,或者分子之间的吸引力。
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So expansion work, for instance, or compression work, is if you have a piston with a gas in it. All right, you put a pressure on this piston here, and you compress the gas down. This is compression work.
力乘以距离，就是功，功有许多种：,电可以做功,驱动电机与电风扇,磁力也可以做功。
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And here, in an isothermal expansion, The bath is putting back the energy that the gas is expanding or using to expand, and so the energy is flowing back into the gas through the environment in the isothermal expansion.
而在等温膨胀中，恒温环境将气体膨胀对外做功,而损失的能量又返还回来，在等温膨胀中,能量从环境,流向系统。
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