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News reports said Adair used about three hundred forty kilograms of nitroglycerine explosive material to pull the oxygen out of the fire.
VOA: special.2009.03.22
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That is metallic sodium that would keep in kerosene so it doesn't react with the oxygen in the air.
金属钠应该保存在没有中,这样它就不会和空气中的氧气反应了。
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So, if we compare the sulfur to the oxygen, the oxygen it turns out is more electronegative and that is what holds the negative charge in this molecule.
因此，如果我们来比一下硫和氧，氧应该有更高的电负性,而在这个分子中它确实有负的电荷。
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One of the oxygen tanks failed to empty normally during the ground test.
VOA: special.2009.07.22
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And, in fact, if you take the jaws of a powerful magnet and pour liquid oxygen in between the jaws, the oxygen will stop and will sit in the jaws.
实际上，如果你用一块,具有较强磁力的颚型磁铁,然后把液氧倒在颚型磁铁的中间，氧气会停在颚型磁铁中。
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Commander Lovell said later he should have demanded the oxygen tank be replaced.
VOA: special.2009.07.22
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You could run the reaction, take solid iron gaseous oxygen, form iron oxide, measure the heat of formation of it, tabulate it.
你可以进行一个反应,用固态铁和氧气生成氧化铁，测量它的生成热，列成表格。
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The algae take much of the oxygen from the water.
VOA: special.2009.07.28
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Because of the lack of oxygen getting to the cells, the cells are no longer able to carry on their various metabolic processes.
由于细胞中缺少氧气,所以细胞不能完成,它们的各种新陈代谢活动
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He says"These songs and singers were the oxygen that fueled my passion to sing."
VOA: standard.2009.11.25
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Some of them have the capability of becoming red blood cells which carry oxygen in the blood.
一些能够成为红细胞,红细胞是血中携氧的细胞
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"If you have an imbalance, or literally too much nitrogen and too much phosphorous getting into those systems, you can essentially deplete the oxygen in that water.
VOA: standard.2010.08.04
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We could also, I think, well, maybe this isn't written out in terms of that convention, which sometimes it's not, so let's also try writing it, such that we have the hydrogen and the oxygen atom there.
我们也可以，我想，好吧，还有可能它不是按照惯例写的，有时候会出现这样的情况，因此，让我们把氢原子和,氧原子成键的情况也写出来。
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"The pain is gone. The oxygen really changed my life,"
VOA: standard.2009.12.17
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Well, if you get the combustion chamber hot enough, in point of fact, there are some reactions between nitrogen and the oxygen.
如果燃烧室的温度足够高的话，实际上在氮气和氧气之间,会发生一些反应。
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At the time, scientists believed that a person at the top of the mountain would only have enough oxygen to sleep.
VOA: special.2010.06.30
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So, for instance, this would suggest to us by the way it's written that the hydrogen is attached to the nitrogen and not the oxygen.
因此，比如，这样的写法会提醒我们,这个氢原子是与氮原子成键的，而不是氧。
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As the service module moved away, they saw for the first time the damage done by the exploding oxygen tank.
VOA: special.2009.07.22
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We put the magnesium 2 plus here, and then we put the oxygen here, O 2 minus, and we know that this gives us our R zero, right?
我们把Mg2+放这，然后O2-放这，我们都知道这给我们的是R0，对么？
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Blood clots can kill if they move to the heart and lungs and stop needed oxygen from reaching those important organs.
VOA: special.2009.07.14
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If we take hydrogen peroxide in the liquid state, it can break down to form water and oxygen.
如果我们有一些液态的过氧化氢，它会分解成水和氧气。
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Doctors say that over time the damage interferes with the natural exchange of oxygen and carbon dioxide in the lungs.
VOA: special.2010.06.23
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So, we can put our sulfur in the middle, and then it doesn't really matter how we draw the rest of it, where we put our c l's versus where we put our oxygen.
那么，我们可以把硫放在中间，然后把其它的原子画在哪里就不重要了，把两个氯原子与一个氧原子放在哪里都行。
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The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.
VOA: special.2011.04.06
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So then, I could say that the average valence electron energy for oxygen would then be, I've got two s electrons.
所以，我可以说,氧的平均价电子能,就是，以我得到的两个s轨道的电子来算。
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Far below sea level, they contain some of the harshest environments on Earth, with no oxygen and no light.
VOA: special.2010.11.10
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The respiratory system plays an important role in maintaining our internal environment at the proper level of oxygen, by bringing the right amount in.
呼吸系统的重要性在于,通过向体内输入适量的氧气,维持人体内环境中的氧平衡
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CPR,or cardiopulmonary resuscitation, can save a life and reduce the risk of brain damage from loss of oxygen.
VOA: special.2009.06.09
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I mean, if the energy is lower to occupy a smaller volume, then if I have this room and a bunch of molecules of oxygen, and nitrogen and what have you in the air, and there are weak attractions between them, why don't they all just sort of glum together and find whatever volume they like.
我的意思是，如果占据小的体积会使能量降低，如果我有这样一个空间,和一些氧气，氮气和其他空气中有的气体，并且分子之间还有微弱的相互作用，为什么他们不黏在一起,然后占据他们所想要占据的体积。
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Which of those two is more electronegative? The oxygen.
它们两个中哪个有更高的电负性？氧。
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