查询词典 methane

Utilization of ecologically renewable resources such as methane is increasing in the rural areas.

一些生态学上可更新的资源的利用，正在农村地区增加。

Cows and other ruminants emit 37 per cent of the world's methane.

牛和其他反刍动物所排放出来的甲烷占世界总量的37%。

A bottom layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane.

底层镍催化剂促进蒸汽和甲烷的吸热反应。

However, it is possible a geologic process produced the Martian methane, either now or eons ago.

然而，它是可能的地质过程中产生火星甲烷，无论现在还是eons前。

It has been considered that the oxidative coupling of methane to ethane is a promising route for the direct conversion of natural gas.

在天然气直接转化的研究工作中，甲烷氧化偶联制乙烯是天然气综合利用研究的一个重要发展方向。

In this paper, method of quantity calculation of mixed|source natural gas is established based on composition and carbon isotopes of methane and ethane.

利用天然气中甲烷和乙烷的组成及碳同位素值，建立了不同来源天然气混合的定量计算方法。

The formation rates of methane and ethane may reach a maximum value at about 600℃.

沈北、蔚县煤焦在850～1000℃，2.1 MPa下加氢反应的表观活化能分别为108和95kJ/mol。

This thesis compares the deviation factor of methane, ethane and CO2, which are calculated with empirical formula.

为此从计算偏差因子经验公式入手，对比了甲烷、乙烷、CO2纯气体的偏差因子。

It plans to produce 100000 ton of DME a year. Its technological route: it will use coal as material, adopt etherealization technology, sulfur transferring technology, NHD dehydrated sulfur、dehydrated carbon technology,methane technology,etc.

三、生产规模：年产二甲醚10万吨；技术路线，以煤为原料，采用德士古水煤浆加压气化技术；耐硫全低变变换技术；NHD脱硫、脱碳净化技术；甲烷化技术；浆态床液相合成二甲醚及其配套精馏技术。

At lower temperature, the interaction between the Ir particles and the adsorbed ethoxyl species is not strong enough to abstract H atom from the nearby CH3 group, and thus acetaldehyde acts as the key intermediate. Acetaldehyde can decompose to methane and CO and/or convert to acetone through decarbonylation.

低温时Ir粒子与吸附的乙氧基的相互作用的强度不足以从-CH3基团中提取H原子，此时乙醛是关键的反应中间物，乙醛可以裂解生成甲烷和一氧化碳或脱羰基生成丙酮。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。