Methane concentrations shooting from 1.49 per cent to more than 40 per cent in less than three minutes.

甲烷/沼气浓度在短短三分钟内由1.49%升至超过40%。

属类：时事政治-香港公安词汇-

Methane is said to be hydrophobic

甲烷被称为疏水的。

属类：综合句库--

Progress in the Preparation of Syngas by Partial Oxidation of Methane

甲烷部分氧化反应制合成气的研究进展

属类：行业术语-中文论文标题-

Study on Carbon Nanotubes Produced in Partial Oxidation of Methane to Synthesis Gas

甲烷部分氧化制合成气中副产纳米碳管的研究

属类：行业术语-中文论文标题-

The chief source of methane is natural gas, but it can also be produced from coal. Abundant, cheap, and clean, methane is used widely as a fuel in homes, commercial establishments, and factories; as a safety measure, it is mixed with trace amounts of an odorant to allow its detection.

甲烷的主要来源是天然气，但也可以用煤来生产。甲烷储量丰富，价格便宜，又干净，所以广泛用作家庭、商业设施以及工厂的燃料。作为一种安全措施，在甲烷中掺入痕量的有味气体以便辨识。

属类：化学及生命科学-化学-

methane may have extraterrestrial significance

甲烷具有星际意义。

属类：综合句库--

Methane can come from either natural gas or bio methane.

甲烷可以从天然气或生物甲烷中获得。

属类：单位简介-汽车公司网站-关于Volvo

Tri-Reforming of Methane to Synthesis Gas

甲烷三重整制合成气

属类：行业术语-中文论文标题-

Methane is apolar

甲烷是非极性的。

属类：综合句库--

The simplest member of the paraffin hydrocarbons, methane burns readily, forming carbon dioxide and water if supplied with enough oxygen for complete combustion or carbon monoxide if the oxygen is insufficient.

甲烷是烷烃中最简单的成员，很容易燃烧，在足够的氧气中生成二氧化碳和水，氧气不充分时生成一氧化碳。

属类：化学及生命科学-化学-

Methane reacts with hydroxyl to produce formaldehyde.

甲烷与羟基反应生成甲醛

属类：综合句库--

The experiment produced tiny bubbles of methane gas, the scientists reported.

结果出来了，科学家们说，在实验中产生了甲烷小气泡。

属类：社会文化-新闻文摘-走向地幔寻找燃料

Shell Group Research started technical research co-operation with SKLCC in 2005, focusing on clean coal technologies, including Enhanced Coalbed Methane and CO2 Mineralization.

壳牌研究中心于2005年开始与中科院山西煤化所煤转化国家重点实验室进行技术研究合作，重点是清洁煤技术，包括二氧化碳注入煤层提高煤层气采收率和二氧化碳矿化。

属类：单位简介-壳牌公司网站-壳牌新闻

Air quality-Determination of total non-methane organic compounds-Cryogenic preconcentration and direct flame ionization detection method

空气质量 非甲烷总烃的测定 低温预浓缩和直接火焰离子化检测法

属类：行业标准名称-ISO标准-

Air quality-Determination of total non-methane organic compounds-Cryogenic preconcentration and direct flame ionization detection method

空气质量.全部无甲烷有机化合物的测定.低温预浓缩和直接火焰电离探测法

属类：行业标准名称-国际标准-ISO 14965-2000

Mixtures of 5-14% methane in air are explosive and have caused many mine disasters.

空气中若混有5～14%的甲烷就有爆炸的危险，已经造成了许多矿井灾难。

属类：化学及生命科学-化学-

Dihydralazine Methane Sulphonate

利普素,双肼苯哒嗪,双肼酞嗪,血压达静

属类：化学及生命科学-医学词汇-抗高血压药

Refinery gas is mostly methane and hydrogen produced as a by-product in the many refining processes

炼厂气是许多炼油过程中产生的副产品，主要是甲烷和氢气。

属类：综合句库--

Comparison of Fluidized and Fixed Bed Operations for Hydrogen Production from Methane Decomposition

流化床与固定床中甲烷裂解制氢过程的比较

属类：行业术语-中文论文标题-

Hydrogen chloride is produced as a by-product from the chlorination of benzene and other hydrocarbons and by burning hydrogen, methane , or water gas in a chlorine atmosphere.

氯化氢是苯和其它碳氢化合物氯化的副产品，通过在氯气氛中燃烧氢、甲烷或水煤气也可以生产氯化氢。

属类：产品说明书-产品安全-

You obviously don’t know anything about methane deposits

你不是也不知道这有沼气聚集吗

属类：综合句库--

They use some for making grain and some finds its way to the roots and then into the soil, where the bacteria can use it to produce methane .

其中一部分用来制造稻米，一些通过根，流失到土壤里，然后细菌利用这些炭产生沼气。

属类：社会文化-新闻报道-BBC新闻

Determination of carbon monoxide,carbon dioxide and hydrocarbon in the gases--Part 1: Determination of carbon monoxide,carbon dioxide and methane in the gases--Gas chromatographic method

气体中一氧化碳、二氧化碳和碳氢化合物的测定第1部分:气体中一氧化碳、二氧化碳和甲烷的测定气相色谱法

属类：行业标准名称-国家标准名-GB/T8984.1-1997

But, no one knows yet how much methane , if any, is actually present in the mantle.

然而，无人知晓，如果地幔中存在甲烷的话，究竟其储量有多少。

属类：社会文化-新闻文摘-走向地幔寻找燃料

Electrical apparatus for the detection and measurement of flammable gases-Part 2: Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in air (IEC 61779-2:1998, modified);

燃气测量和检测用电气装置.第2部分:指示空气中甲烷含量达到百分之五的一组装置的性能要求

属类：行业标准名称-国际标准-DIN EN 61779-2-2001

Electrical apparatus for the detection and measurement of flammable gases-Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air (IEC 61779-3:1998, modified);

燃气测量和检测用电气装置.第3部分:指示空气中甲烷含量达到百分之百的一组装置的性能要求

属类：行业标准名称-国际标准-DIN EN 61779-3-2001

Methods for chemical analysis of arsenic--The dithiodiantiphryl methane photometric method for the determination of bismuth content

砷化学分析方法二硫代二安替比林基甲烷光度法测定铋量

属类：行业标准名称-国家标准名-GB/T4373.4-1984

Effect of Conductance of Solution on Vapor-Hydrate Phase Equilibrium for Methane -Ethene System

水的电导率对甲烷-乙烯体系气-水合物相平衡的影响

属类：行业术语-中文论文标题-

But as these stocks rapidly decrease a new study has shown that natural gas, mainly methane , could be found deeper, within the Earth in the mantle.

随着这些能源的储量迅速地枯竭，人们开始把目光投向地球更深处。一项研究表明，天然气(主要成分是甲烷)有可能存在于地球深处的地幔之中。

属类：社会文化-新闻文摘-走向地幔寻找燃料

So if more carbon is tied up in making grain, there’s less in the soil, which means less methane .

所以如果炭在生产稻米的时候用的越多，流失到土壤里的就会越少，也就是说产生更少的沼气。

属类：社会文化-新闻报道-BBC新闻