甲烷二氧化碳重整制取高附加值合成气的过程是近十几年来世界范围的研究热点之一，该过程的研究具有重要的理论和实际意义。
The reaction of carbon dioxide reforming of methane to synthesis gas received significant attention in recent years, and the study on it has important academic and practical significance.
采用TPSR、TPD和脉冲反应等方法对担载型镍基催化剂上甲烷二氧化碳重整反应过程中二者的吸附和解离行为进行了详尽的研究。
The adsorption and dissociation of methane and carbon dioxide for reforming on nickel catalyst were extensively investigated by TPSR, TPD and pulse reaction experiments.
许多环境专家现在认为，甲烷比二氧化碳对全球变暖负有更大的责任。
Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide.
在地球最早的大气层中，甲烷和二氧化碳的含量比现在要高得多，这对早期生命来说是有利的。
In Earth's earliest atmosphere, methane and carbon dioxide occurred at much higher levels than at present-a circumstance that was favorable for early life.
如果大气中的甲烷和二氧化碳像地球最早期的大气那样丰富，那么地球的温度对今天生活的大多数物种来说可能太热了。
If atmospheric methane and carbon dioxide were as abundant now as they were in Earth's earliest atmosphere, the planet's temperature would likely be too hot for most species living today.
来自Vostok 地核的其他数据显示，甲烷气体也与温度和二氧化碳密切相关。
Other data from the Vostok core show that methane gas also correlates closely with temperature and carbon dioxide.
大气中的二氧化碳和甲烷阻止热量向太空散发。
Carbon dioxide and methane in the atmosphere block the escape of heat into space.
它的峰值，就是在间冰期刚开始，大气中有最多的二氧化碳和甲烷气体，温室气体。
Its peak, that is, there is the most carbon dioxide and methane gas, greenhouse gases in the atmosphere just after the beginning of the interglacial period.
此外，河流筑坝等工程也增加了沉积物的产量，更不用说大气中二氧化碳和甲烷的增加。
Also, things like the damming of rivers has caused increased sediment production, not to mention the addition of more carbon dioxide and methane in the atmosphere.
燃烧甲烷产生二氧化碳，然后释放到大气中。
The burning of methane generates carbon dioxide that is released into the atmosphere.
在远离太阳的外太阳系，在木星轨道之外，温度低到足以使冰从水以及甲烷和二氧化碳等气体中形成。
Far from the sun, in the outer solar system, beyond Jupiter's orbit, temperatures are low enough to permit ices to form out of water and out of gases like methane and carbon dioxide.
现在，我们已经研究过几个间冰期的典型模式，其中一种是大气中二氧化碳和甲烷含量达到峰值的情况。
Now, the typical pattern for an interglacial period—and we've studied several—is that the concentration of carbon dioxide and methane gas actually reaches its peak.
当我们的太阳后来温度变得更高时，早期细菌持续清除大气中的二氧化碳和甲烷，使地球的气候不至于变得太热而无法维持生命的存在。
When our Sun later became hotter, the continued removal of atmospheric carbon dioxide and methane by early bacteria kept Earth's climate from becoming too hot to sustain life.
首先，所有的动物，如牛、猪和羊，总是排出石灰甲烷气体，这是继二氧化碳之后第二常见的温室气体。
For a start, all animals, such as cows, pigs and sheep, always gas limed methane, which is the second most common green house gas after carbon dioxide.
在深水中，甲烷气体到达水面之前就会氧化为二氧化碳。
In deep water, methane gas oxidizes into carbon dioxide before it reaches the surface.
研究小组指出，就连这个数字也可能估计不足，因为它没有解释正反馈的方方面面，比如释放出甲烷和二氧化碳正在融化的永久冻土层。
Even the new figure could be an under-estimate, the team suggests, because it doesn't account for the full range of positive feedbacks, such as melting permafrost releasing methane and carbon dioxide.
垃圾填埋厂释放的大半气体都是甲烷，它使地球变暖的速度是二氧化碳的20倍。
More than half of the landfill gas is methane, which warms the planet 20 times faster than carbon dioxide.
人为增加大气中的甲烷，其氧化为二氧化碳和水汽后，能为平流层的冰提供更多的水份。
Human-caused increases in atmospheric methane, which oxidizes into carbon dioxide and water vapor, could be providing more water for ice in the stratosphere.
例如平均气温的上升，它会使长期冰藏在冰层里的二氧化碳和甲烷从永冻层里释放出来——相当于温室气体二氧化碳的20倍密度。
Rising average temperatures, for example, threaten to unlock long-frozen stores of carbon dioxide and methane -- at least 20 times as potent a greenhouse gas as CO2 -- from the region's permafrost.
温室气体包括二氧化碳、甲烷、丙烷以及其他少为人知却能影响气候变化的气体。
Greenhouse gases include carbon dioxide, as well as methane, propane and lesser-known gases that also affect climate change.
达科他北部的大平原合成燃料厂很早就开始进行煤转化为甲烷的业务，回收二氧化碳，把它们通过管道输送到加拿大。
In North Dakota, the Great Plains Synfuels plant, which converts coal to methane, takes the leftover carbon dioxide and pumps it through a pipeline to Canada to stimulate oil production there.
以甲烷为例，它在引起气候变暖的能量上是二氧化碳的25倍。
Take methane, for example, which is 25 times more powerful than carbon dioxide in causing warming.
当它被释放进入海洋大气系统，甲烷与氧气反应生成二氧化碳。
When it is released into the ocean-atmosphere system, methane reacts with oxygen to form carbon dioxide.
按20年的平均数字，甲烷产生的热量比二氧化碳多72倍。
Averaged over 20 years, methane traps around 72 times more heat than CO2.
甲烷是一种温室效应比二氧化碳还强的气体。
Methane is a greenhouse gas that traps heat even better than carbon dioxide.
生命生产出甲烷、氨气、氧气、氢气、二氧化碳以及其他气体。
Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.
由于水平面上升，植被被水淹没，开始腐烂，释放出甲烷——一种比二氧化碳威力更大的温室气体。
The vegetation overwhelmed by the rising waters decays to form methane-a far worse greenhouse gas than carbon dioxide.
传感器的数据集将提供关于二氧化碳如何散发和吸收的信息，这对测量二氧化碳、甲烷等导致温室效应的气体很关键。
The sensor's data set will provide information on how carbon dioxide is emitted and absorbed, a key to measuring greenhouse gas.
传感器的数据集将提供关于二氧化碳如何散发和吸收的信息，这对测量二氧化碳、甲烷等导致温室效应的气体很关键。
The sensor's data set will provide information on how carbon dioxide is emitted and absorbed, a key to measuring greenhouse gas.
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