A WORD, A WORLD
methane
释义
- n.
- 甲烷;沼气
- 网络
- 甲烷气;瓦斯;甲烷沼气
展开详细释义
n.
1.【化学】甲烷,沼气
常用短语 3 组
- methane emission
- 沼气泄出
- methane content
- 沼气含量
- methane bacteria
- 甲烷菌;甲烷细菌
在例句中理解 31 句
Even the surface waters of the ocean contain substantial amounts of this gas. But where that marine methane comes was a mystery, Until now.
科学家甚至发现海洋表层海水也含有相当多的甲烷,但其来源之谜迄今仍不得其解。
Because of that smog, researchers have surmised that liquid methane should exist on the surface, but probes had failed to find any.
这样的烟雾使研究人员推测,泰坦表面应该有著液态的甲烷,可是一直以来探测器都没有任何发现。
"The changes in methane concentration at this time seem to be unique, " said the researchers, writing in the journal Nature Geoscience.
“这个时期沼气密度的改变看起来非常独特”,研究人员称他们将这一观点发表于自然地球科学杂志。
Greenhouse gases, like carbon dioxide and methane, trap heat down near the surface. The result: colder temperatures in the stratosphere .
象二氧化碳、甲烷等温室气体将热量限制在接近地球表面的范围内,结果同温层的气温更低了。
primarily carbon dioxide and methane, have on Earth's temperature when they build up in the atmosphere and trap the sun's heat.
主要成分是二氧化碳及甲烷,它拥有地球的温度,它们增强逐渐形成并从大气中吸收太阳的热量。
From the bacterial point of view, methane is just as much of a waste product as faeces are from the human viewpoint.
从细菌的角度来看,甲烷也只是它们产生的一种废物,就跟粪便是人类的排泄物一样。
It was remarkable. We had gone out there assuming that there would be plenty of methane still there and the fact was that it was all gone.
真是让人吃惊,我们本来认为还有很多泄漏出来的甲烷在那里的,可事实是甲烷都不见了。
Since then, Titan has spotted dozens of lakes on Titan's surface, thought to be made of a mixture of liquid ethane and methane.
自那时起,泰坦上已经发现了数十个充满了液态乙烷和甲烷混合物的湖。
So here we have a cycle of a planet which is like our Earth, but is all made of ethane and methane and organic material.
这个星球的循环非常类似地球,不过是由乙烷和甲烷以及有机物构成。
There was one sure way to check, just how much methane is in these bubbles because it is highly flammable.
有一种可靠方法来检验气泡中的甲烷含量,因为甲烷高度可燃。
You know, breathing high concentrations here of sulfur dioxide, carbon dioxide and methane gas, in unequal quantities -- 19 years of this.
你知道,呼吸这里高浓度的二氧化硫、二氧化碳、和甲烷气体,这些不等量的气体-19年都是如此。
Coalbed methane reservoir is a pressure seal reservoir and its production characteristic is different from that of conventional natural gas.
煤层气是一种压力封闭型气藏,其生产特征不同于常规天然气。
That life would have to survive on comparatively little oxygen and water, and would have to be very tolerant of methane.
这些生命要再氧气和水相对较少的环境下生存,而且要能够忍受甲烷。
Another meat related emission that is often forgotten is methane, a product of anaerobic digestion generated when a cow exhales .
另一种与肉食有关却常被忽略的废气是,牛放屁时所排放的厌氧消化产物——甲烷。
If they were singing, there was no methane about, but if they dropped over then the miners had their clue to leave the mine shaft quickly!
如果它们在鸣叫,周围就没有甲烷,但如果它们掉了下来,那矿工就知道端倪,赶紧离开了矿井!
As to methane-eating bugs, a look at the planet as a whole again seems to rule that possibility out.
至于吞食甲烷的虫子,星球作为一个整体看来,这种可能性不太大。
Blake suggests that methane emissions could be cut by pumping it out of landfills and re-using it as a fuel.
Blake认为,把垃圾填埋场的甲烷抽出并作为燃料重新利用,这可以减少甲烷排放。
"Say we wanted to know how much we'd need to reduce human-derived emissions of methane to cut its climate influence by half, " Montzka said.
“我们希望了解,我们需要人为减排多少甲烷才能够将气候变暖的影响减半,”Montzka说道。
The methane explosion is building to its peak intensity and is almost certain to "blow" as you say.
甲烷爆炸聚积到了尖峰强度,按照你们的说法,几乎肯定会“爆发”。
And these molecules, especially methane and ethane, can be liquids at the surface temperatures of Titan.
这些分子尤其是甲烷和乙烷,在土星地温下是液态的。
Converting coal bed methane to LNG uses well-established technology, but has never been proved as a commercial proposition.
将煤层气转化为LNG使用的技术相当成熟,但作为商业计划从未被证实可行。
Methane is extremely easy to transport, and pipelines are a mature technology.
沼气比较容易运输,并且输油管的技术已经发展得很成熟了。
The digester is a tarp covered, double lined lagoon the size of five football fields. A week from now methane will cause the tarp to expand.
消化池是一个由油布苫盖的双内衬污水池,有五个橄榄球场那么大。从现在开始的一周内,甲烷会导致油布膨胀。
Were these the only observations of methane on Mars, the subject would be viewed with much more scepticism.
如果这些是火星甲烷的唯一观测,那么这个项目则更加疑点重重。
The invention relates to a method for separating a mixture comprising at least carbon monoxide, hydrogen, and methane.
本发明涉及一种用于分离至少包含一氧化碳、氢和甲烷的混合物的方法。
The explosive potential( energy content per unit mass) of hydrogen is about twice that of the methane in natural gas .
氢的爆炸潜能(单位质量含有的能量)大约是天然气中甲烷的两倍。
One idea is that the planet spews out methane gas, which freezes and keeps the surface covered with a blanket of fresh snow.
一个想法是行星本身会放出含有甲烷的沼气,它会让行星结冰,并且使得表面长期覆盖一层雪。
Recently this has included methane odors in San Diego, a huge fissure in Arizona, and yet another Mississippi bridge needing repair.
最近这包括圣地亚哥的甲烷气味,亚利桑那的巨大裂缝,还有密西西比河上另一座桥需要修理。
Alternatively, the methane might simply mean that the planet happens to be very rich in carbon, Seager says.
西格说,或许甲烷的出现仅仅意味着该行星恰巧富含碳元素。
Now there's new focus on a pair of methane sources that we usually don't think of as natural polluters: wetlands and rice paddies.
现在两个过去不认为是自然污染源的甲烷气体排放源又成为了关注的焦点,即湿地和稻田。
Methane is one of the principal gases contributing to the greenhouse effect.
甲烷是造成温室效应的主要气体之一。