Methane gas does collect in the mines around here.
沼气确实积聚在这周围的矿井中。
As the waste materials decompose, they produce methane gas.
废物腐烂时会产生沼气。
Other data from the Vostok core show that methane gas also correlates closely with temperature and carbon dioxide.
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。
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.
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。
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.
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。
Methane gas from the animals is rising up into the sky.
动物排放的甲烷气体上升到大气中。
The blast was caused by pockets of methane gas that ignited.
爆炸是由数袋甲烷气体着火引起的。
Rising levels of methane gas have hindered rescue operation.
甲烷水平的不断升高使搜救行动遇阻。
The effect of additives on methane gas hydrate formation was tested.
实验研究了添加剂对甲烷气体水合物形成过程的影响。
In deep water, methane gas oxidizes into carbon dioxide before it reaches the surface.
在深水中，甲烷气体到达水面之前就会氧化为二氧化碳。
The probable cause in this case: microbes digesting oil and methane gas from the spill.
这种情况可能是过量繁殖的嗜油和嗜甲烷微生物所导致的。
High levels of methane gas have raised fears of further explosions and hindered rescue efforts.
高浓度甲烷增加了后续发生爆炸的危险性，也对救援工作造成了妨碍。
An optical fiber evanescent wave methane gas sensor based on core diameter mismatch is reported.
提出一种基于纤芯失配的光纤倏逝波甲烷传感器。
As part of its operations, the company set up industrial infrastructure including methane gas burn-off stacks.
作为其业务的一部分，该公司设立了工业基础设施，包括甲烷气体燃烧堆。
When this happens, it can cause the removal of the hydrate layer, releasing the methane gas trapped below.
当发生这种情况时，它会引起的水合物层的消失，被困在下面的甲烷气体便释放出来。
But, the recent research shows that methane gas can form in the crust where there are no. living creatures.
不过，最近的研究成果表明，在没有生物存在的地壳中的某些区域里，也能找到甲烷。
Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China.
煤、煤层气、铝土矿、耐火粘土、铁矾土、含钾岩石等储量居全国首位；
Coke oven gas is most hydrogen and methane gas is not pure, and, therefore, generally with the centrifugal compressor.
焦炉气大部分是氢和甲烷，气体不纯净，因此，一般用离心式压缩机。
Chimneys installed inside the rubbish dump allow even more methane gas to be extracted and transformed into electric power.
在这垃圾弃置场里面装设的烟囱，能够提炼更多的甲烷气体并转变成电力。
She talked to EarthSky about the high concentrations of methane gas she discovered in oil plumes deep beneath the surface of the Gulf.
她告诉EarthSky，深海处的原油层已经产生了高浓度的甲烷气体。
The culprit in such cases is usually methane gas, which accumulates in coal beds and can explode when the bed is penetrated during mining.
罪魁祸首通常是瓦斯气体，而它则通常在煤层中凝聚，当开采钻探时很容易引起爆炸。
And of course, there is cow flatulence: as cattle digest grass or grain, they produce methane gas, of which they expel up to 200 L a day.
当然还有牛的肠胃气涨：当牛消化草或谷物时，每天产生超过200升的甲烷气体。
And if Curiosity's sniffer detects methane gas, it could even imply the latter, since methane can be a byproduct of living subsurface bacteria.
而如果“好奇号”的嗅探器检测到了甲烷气体，则可以证明后者，因为甲烷是地下细菌生存的副产物。
All the influencing factors have been analyzed and Suggestions for further raising the heat efficiency of methane gas energy are presented.
最后对各种影响因素进行了分析，提出了进一步提高沼气能源使用热效率的意见。
All the influencing factors have been analyzed and Suggestions for further raising the heat efficiency of methane gas energy are presented.
最后对各种影响因素进行了分析，提出了进一步提高沼气能源使用热效率的意见。
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