甲烷

甲烷和丙烷是烷烃。

Methane and propane are alkanes .

爆炸是由甲烷气囊被引燃造成的。

The blasts were caused by pockets of methane gas that ignited .

甲烷分子由1个碳原子与4个氢原子构成。

A methane molecule is composed of one carbon atom attached to four hydrogens .

甲烷常被认为是仅次于二氧化碳的重要温室气体。

Methane is often regarded as the second most important greenhouse gas after carbon dioxide .

大多数氯氟甲烷存留在平流层下部。

Most of the chlorofluoromethanes reside in the lower stratosphere .

从苯乙腈制取苯基硝基甲烷就用这个方法。

This is a generally known method for obtaining phenylnitromethane from benzyl cyanide .

一般每头牛每天会排出600升甲烷。

The average cow expels600 liters of methane a day .

西伯利亚的冻土地带之下有大量的甲烷气体。

There is a large amount of methane gas under the Siberian tundra .

因为氧化过程有助于降低大气中一氧化碳和甲烷等化学物质含量。

The oxidation process helps to reduce chemicals like carbon monoxide and methane14 in the atmosphere .

甲烷具有星际意义。

Methane may have extraterrestrial significance .

目前，世界上大部分用于产能的食物残渣都会转化为甲烷。在世界各地被浪费掉的大量食物是促使气候变化的主要因素。

The vast quantities of food that are wasted across the world are a major contributor to climate change .

那些被送往垃圾填埋场的腐烂的食物残渣都会变成甲烷——最强效的温室气体之一。

All those rotting scraps1 that end up in landfill turn into methane2 – one of the most powerful warming gases .

微波诱导甲烷在活性炭/碳化硅上直接转化制C2烃

High power pulsed microwave induced direct conversion of methane to C 2 hydrocarbons over c / sic

OH自由基引发的甲烷光化学氧化体系中有机过氧化物的研究

Studies on the formation of organic peroxides in the oh - initiated oxidation of ch_4

甲烷在Ni表面及La薄膜上激活解离化学吸附

Activated chemisorption of ch_4 on Ni surface and LA Film

Ni/αAl2O3催化剂上甲烷水蒸气重整本征动力学

Intrinsic kinetics of methane steam reforming over a Ni / α Al_2O_3 catalyst

甲烷热氯化原料天然气脱除C2~+的变压吸附工艺条件研究

Study of PSA process conditions for the removal of c_2 ~ + from natural gas producing chlorinated methane by thermal-chlorination method

生物甲烷气的形成途径主要有乙酸发酵和CO2还原2种类型。

Biogenic methane gas mainly results from acetate fermentation and carbon dioxide reduction .

V2O5催化甲烷液相部分氧化工艺过程研究

Study on the Partial Oxidation Process of Methane in Liquid Phase Catalyzed by V_2O_5

W对甲烷氧化偶联反应影响的模糊聚类分析

The Fuzzy Cluster Analysis on the Influence that W Acts on the Methane Oxidative Coupling Action

La－Th－O系催化剂的结构与甲烷氧化偶联催化性能的关系

Relationship Between Structure of La-Th-O Mixed Oxide Catalysts and Catalytic Activity for Methane Oxidative Coupling

加压下La2O3/BaSO4催化剂甲烷氧化偶联反应的研究

Study on the oxidative coupling of methane on la_2o_3 / baso_4 catalyst at elevated pressure

钡改性的Ni/γ-Al2O3催化剂用于甲烷部分氧化的研究

Study on partial oxidation of methane over Ba modified Ni / γ - Al_2O_3 catalyst

着重研究了甲烷浓度、基体温度等工艺参数对热丝CVD法金刚石薄膜显微结构与性能的影响。

The methane concentration and the substrate temperature were studied .

另外应该指出的是，在高功率的多模谐振腔中，甲烷偶联的C2烃产物只有乙炔。

In addition , that should be pointed out is at high power multi-mode resonator , acetylene is the only product of methane coupling in Ci hydrocarbons .

激光频率调制吸收光谱测量钻井气样中甲烷~（13）C/~（12）C同位素比

Measurement of Methane ~ ( 13 ) C / ~ ( 12 ) C Isotope Ratio of Slurry Gas from Oil Wells by Laser Frequency-Modulation Absorption Spectroscopy

六氟化硫（SF6）示踪法测定反刍动物甲烷排放的技术

Measurement of Methane Emissions from Ruminant Livestock Using SF_6 Tracer Technique

甲烷浓度对CVD金刚石薄膜晶体学生长过程的影响

Influence of Methane Concentration on Crystal Growing Process in CVD Free Standing Diamond Films

甲烷部分氧化制合成气Rh／Al2O3催化剂的原位Raman光谱表征

In Situ Raman Characterization of Rh / Al_2O_3 Calcined at Different Temperatures for Methane Partial Oxidation to Syngas

土壤Eh和温度对稻田甲烷排放季节变化的影响

Effect of Soil Eh and Temperature on Seasonal Variation of CH4 Emission from Rice