查询词典 methane

Conventional flow mathematical models of coalbed methane are all based on Euclidean geometry.

传统的煤层气渗流数学模型均是建立在欧几里德几何基础上的。

Scientists are concerned about livestock's exhalation of methane, a potent greenhouse gas.

科学研究专家担心的是畜牧业所排放出来的剧烈温室气体─甲烷。

The color development reaction between titanium in extra-low ferrochrome,nitrided ferrochrome and diantipyryl methane is studied.

研究了微碳铬铁、氮化铬铁中钛与二安替比林甲烷的显色反应。

Filially 80.4% methane conversion, 14.3% C2 hydrocarbons yield and 18.7% C2 hydrocarbons selectivity were obtained.

在此条件下得到甲烷转化率为80.4%，C2烃的总收率和总选择性为14.3%和18.7%。

Afore-mentioned research are high pure to going out from firedamp depart methane gas has very important sense.

上述探究对从沼气分离出高纯甲烷气具有极为重要的意义。

Methane is inflammable and explosion hazard gas as the basis of mash gas, firedamp and rock gas .

甲烷作为瓦斯、天然气、沼气等的主要成分，是易燃易爆气体。

In recent years, application of fishbone horizontal wells in enhancing the recovery of coalbed methane is becoming more and more popular.

羽状水平井技术是近几年兴起的一项新的煤层气增产技术。

A combustion simulation adopting the Reynolds stress model and the Laminar Flamelet model was performed to determine the effect of humidity in the combustion air on temperature, velocity and NO distributions of methane/air diffusion combustion in a swirl combustor.

采用湍流雷诺应力微分模型和层流小火焰模型，对湿空气透平带旋流器的燃烧室内甲烷扩散燃烧过进行了数值模拟。

Used turbulent flows model,methane/air half-particular chemistry mechanism and laminar flamelet model couple to calculate,and work out that excessive air coefficient is 1.2 and 1.4,where velocity in firebox and mixture,temperature and component in radial.The result indicated...

利用湍流流动模型、甲烷/空气半详细化学反应机理和小火焰模型耦合求解，分别计算出过量空气系数为1.2和1.4的速度在燃烧室内的分布状况以及混合分数、温度和组分的径向分布，模拟结果表明小火焰模型能够用来描述燃烧室内燃烧机理。

A two-scale k-ε turbulence model was adopted to calculate turbulent velocity field, and the probability density function method was combined with the Lagrangian flamelet model to predict the turbulent scalar fields.Detailed chemical reaction mechanism GRI-Mech 3.0 was incorporated to describe methane oxidation and nitrogen oxides formation.

采用一个双尺度的 k-ε湍流模型计算速度场，将概率密度函数方法和Lagrangian火焰面模型相结合求解标量场，燃料甲烷的氧化过程和氮氧化物的生成过程采用详细的GRI-Mech 3.0机理描述。

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。