甲烷

The reactor has some zymogen and acetogen, but no methanogen bacteria.

反应器中有一定量的发酵菌和产乙酸菌，但无产烷菌。

"These permafrost deposits are now melting and releasing their methane," said Maslin.

“这些永久冻土中的沉积物开始融，放出烷，”麦斯林说。

The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.

其主要成分是三苯基-烷、叶绿醇、正十六碳酸、2,4,6-三（1,1-二乙基）-苯酚等，这为进一步开发利用蒌蒿提供了科学依据。

The blast was caused by pockets of methane gas that ignited.

爆炸是由数袋烷气体着火引起的。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体中含有更多的烷、乙烷、异丁烷和异戊烷。

Development of preparation of acidic dyes by oxidization of triarylmethane Leuco was reviewed with 21 references.

摘要以21篇文献述了三芳烷型隐色体氧制备酸性染料的研究进展。

Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans.

而通常这个过程，有些工艺会使用二氯烷（用作萃取剂）或乙酸乙酯（用作溶剂）等。

Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

二茂铁基苯基醇与三氟硼-乙醚溶液在二氯烷中作用,形成二茂铁苯基基碳正离子。

Objective:To observe the efficacy of MEBT in treating bromomethane freezing injury.

观察湿性医疗技术烷冻伤的治疗效果。

Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.

乙醚、乙二肟、二乙二肟，硝基烷或类似的适当的极性溶剂，可用作溶剂。

Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.

乙醚、乙二肟、二乙二肟、硝基烷或类似的适当的极性溶剂，可用作溶剂。

This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.

讨论了用二氯烷替代一氟三氯烷进行软质聚氨酯泡沫塑料的生产。

The varieties of VFA along the reactor makes it clear that the acidogenic and methanogenic are separated in the ABR.

反应器中VFA沿程浓度的变表明,在反应器中存在产酸相和产烷相的分离。

According to comparing various hydrate promotors and their experimental conditions,it indicates that methylcyclohexane is a good promotor to form st...

研究表明,在烷中加入环戊烷时温压条件最易达到,但生成的是Ⅱ型水合物,储气量较小。

Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.

用新的催体系(铁-锑复合催剂)催三乙基铝(TEA)与烷进行烷基交换反应合成三基铝(TMA)。

It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

另一种2-巯基苯噻唑法是先将氯烷与硫氰钠反应生成硫氰酸氯酯，然后硫氰酸氯酯与2-巯基苯噻唑反应得到苯噻氰。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过其酰原理分析,选用乙酰氯作酰剂、二氯烷作酰溶剂,测定含环氧基聚酯的羟值。

A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.

以重氮烷为酯剂，用气相色谱法氯乙酸生产的中控分析进行了研究。

According to the literature, sarcina is oneof the methanogen that can produce methane in high performance.The remaining of sarcina willapparently improve methane production.

根据以往的资料显示，八叠球菌是产气较好的烷菌之一，这种菌的驻留会使整个产气效果明显提高。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻土带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下的（烷等）温室气体可能散发到大气中。