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。

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。