甲烷

The stain, named as SH4, possessed widely ranged pH from 5.5 to 9.5 for its growth and excellent ability of acclimatizing itself to acid-alkali.

该菌对酸碱具有良好的适应性，培养3d后，在初始pH值6.0~8.0的培养基中甲烷产量相差不大，且基本达到最大产量。

Methane was activated by Pd2 cluseter, activation and adsorption energy were aggrandized.

Pd2CH4中，甲烷受到两个Pd原子的活化作用，活化程度增强，吸附能增大。

Including high temperature for the pyrolysis of natural gas to produce carbon black and acetylene; steam reforming of natural gas or partial oxidation of natural gas, synthetic gas can be obtained; natural gas through chlorination, sulfide, nitrification, ammoniated oxide, oxidation can be obtained A N all kinds of derivatives; in the wet gas ethane, propane, butane and natural gas liquid condensate, and so on, the steam cracker or pyrolysis to produce ethylene, propylene and butadiene; dehydrogenation of butane oxidation or produce small Diene or acetic acid, methyl ethyl ketone, and maleic anhydride, and so on.

包括在高温下进行的天然气热裂解，主要生产乙炔和炭黑；天然气蒸汽转化或天然气的部分氧化，可制得合成气；天然气经过氯化、硫化、硝化、氨化氧化、氧化可制得甲烷的各种衍生物；湿性天然气中的乙烷、丙烷、丁烷和天然气凝析液等，经蒸汽裂解或热裂解可生产乙烯、丙烯和丁二烯；丁烷脱氢或氧化可生产丁二烯或醋酸、甲基乙基酮、顺丁烯二酸酐等。

Some kind of ordinary metals and anodized 1Cr18Ni9Ti were put into the reactor for experiment.

从甲烷氯化物反应器的结构方面、制造维修方面和日常使用方面提出了防护措施。

Due to the differences of physical properties between methane and atomized kerosene, the mixing process for the two fuels are much different.

发现，由于甲烷和雾化煤油物理性质的差异，两者的扩散混合流场差别较大。

Perhaps the most befuddling research of the year involved the greenhouse gas methane.

也许有关温室气体甲烷的研究是2006年最让人混淆的研究之一。

A large amount of organics can be biodegraded without the introduction of external energy, meanwhile the methane gas is generated.

在不需要提供外源能量的条件下，以被还原有机物作为受氢体，同时产生有能源价值的甲烷气体的一种水处理技术。

Scientists have found new evidence of burping gas water from in the planet Mars which they say may have been produced by living organisms.

科学家找到了证明火星大气层中存在甲烷气体和水蒸气的证据，他们称这些有可能是由活的生物体产生的。

How likely is it that humans will cause methane burps by burning fossil fuels?

有没有可能是人类燃烧石化燃料，导致甲烷的脉冲式喷发活动？

Methane comes from a variety of sources, including gas leaks, forest fires, and, of course, cow burps.

甲烷的来源多种多样，包括瓦斯外泄、森林火烧，当然还有母牛打嗝等。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。