查询词典 methane

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。

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。

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。

The Danish Tax Commission estimates that a cow will emit four tonnes of methane a year in burps and flatulence, compared with 2.7 tonnes of carbon dioxide for an average car.

丹麦税务委员会估算，一头奶牛因为打嗝和胃部胀气，每年释放4吨的甲烷，而每辆车每年平均排放的二氧化碳只有2.7吨。

Frank Mitloehner, a University of California, Davis, professor who places cows in air-tight tent enclosures and measures what he calls their "eruptions," says the average cow expels — through burps mostly, but some flatulence — 90 to 180 kilograms of methane a year.

戴维斯加州大学教授法兰克。密特罗艾纳把乳牛放在密闭的帐篷内，测量他称之为乳牛的「喷出物」，他说，乳牛平均每年排放90到180公斤甲烷，大部分经由打嗝，一部分是肠胃胀气。

How to simulate random distribution of cleats in coal rock is key technique for simulation of methane recovery.

煤层中随机裂隙展布模拟技术是瓦斯抽放数值模拟中的关键技术。

Compounds such as methane can be cleaved to carbon and hydrogen.

象甲烷这样的化合物能分解为碳和氢。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。