Methane and propane are alkanes.
甲烷和丙烷是烷烃。
The results show that the combustion duration decreases with the increase of air-fuel ratio and propane proportion;
缸内最高燃烧压力随空燃比的增大而减小，随丙烷比例的增加而增大；
Pyrolysis of ethane and propane will liberate ethylene, a valuable and basic material for the synthesis of organic chemicals.
乙烷、丙烷是裂解制乙烯的原料，后者是有机合成的基本原料。
Moreover, the coatings with comparative lower abrasive wear rate can be deposited in the condition of moderate flows of oxygen and propane.
氧气流量、燃气流量适中的条件下制备的涂层磨损率较低。
This paper investigates the simultaneous pyrolysis (cocracking) and compares it with individual pyrolysis (separate cracking) of ethane and propane.
本文研究了乙烷和丙烷的混合裂解，并与乙烷、丙烷单独裂解进行了比较。
For simple gas hydrate formation, the temperature and pressure of methane hydrate is highest, butane is lowest, and ethane and propane is between them.
对于纯气体形成水合物，甲烷形成的温压条件最高，丁烷最低，乙烷和丙烷介于二者之间。
Thus, the utility model has multiple functions, and the utility model can not only use oxygen and propane gas, but also use oxygen and gasoline to carry out gas cutting.
所以，功能多，既可用氧气和丙烷气，又可用氧气和汽油进行气割。
A cataluminescence(CTL) sensor for quantitative analysis of the explosive gases of propane and iso-butane in a mixture was proposed.
提出了一种用于定量分析混合气中丙烷和异丁烷爆炸性气体的催化发光（CTL）传感器。
Recent estimates suggest the lakes are made of 80 per cent ethane, with slugs of propane, methane and acetylene, which could be a source of food for Titanian life, some researchers suggest.
最近的一些分析表明土卫六的湖泊是由80%的乙烷，以及没有燃烧的丙烷，甲烷和乙炔的小液滴，一些研究者表示这些可能会是维持土卫六上生命的物质。
Firefighters encountered a tangle of rattlesnakes, downed power lines and combustible propane tanks Wednesday as they struggled to get an upper hand on a wildfire that has destroyed dozens of homes.
本周三，这场野火已经烧毁了数十栋房屋，消防队员在于野火的斗争中遇到了一系列的响尾蛇，倒塌的电线和易燃丙烷储罐。
Other components are the homologous alkanes, ethane, propane, and higher hydrocarbons.
其他组分有同系烷、乙烷、丙烷以及高分子碳氢化合物。
Under the terms of this 12-month contract, Protonex will adapt its existing propane-fueled SOFC systems to operate on liquid fuels, such as butanol, gasoline, kerosene, and desulfurized JP-8.
在12个月的合同期限中，质子公司将对其现有的丙烷燃料SOFC系统进行改进，使其可以使用液态燃料，如丁醇、汽油、煤油和去硫JP-8。
Greenhouse gases include carbon dioxide, as well as methane, propane and lesser-known gases that also affect climate change.
温室气体包括二氧化碳、甲烷、丙烷以及其他少为人知却能影响气候变化的气体。
The Dominican Republic has banned cutting down trees for charcoal and subsidized propane as a substitute, and the contrast can be seen in satellite photographs of the border.
多米尼加共和国已经禁止砍伐森林当柴烧，通过补贴让天然气取代木炭，现在两国之间的差异能从卫星拍的国界图片上看得一清二楚。
After her power went out at about 4 p.m. Saturday, she invited neighbors over for an impromptu Halloween party with wine and quesadillas in front of her propane fireplace.
周六下午4点一断电，她就邀请邻居们参加临时准备的万圣节派对，一行人在壁炉前饮酒狂欢。
There are some propane based cars and Go-Karts.
可能还有些烧丙烷的汽车和卡丁车，但一时半会也搞不到。
Propane and butane can be stored and transported as a mixture or separately.
丙烷与丁烷可作为混合物储存和运输，也可分开储存运输。
Cooking, water heating and refrigeration are all powered by propane gas.
做饭、水暖和制冷都是由丙烷气提供能量。
Rising temperature can greatly increase the conversion of propane and then the yield of propene.
升高温度虽然能极大的提高丙烷的转化率从而增加丙烯的收率。
Many families cannot afford heating oil, wood or propane and many residents use ovens to heat their homes. Housing.
许多家庭不能负担供热用的燃油木材或天然气并且很多居民用炉子来暖和他们的屋子。
With the increase in the production of natural gas and ethane, propane recovery rate of increase in the proportion of which are increasing.
随着天然气产量的增加和乙烷、丙烷回收率的提高，所占比例正在逐步增加。
Natural gas is composed of methane ethane propane and butane.
天然气由甲烷、乙烷、丙烷和丁烷组成。
These fuels include methane, propane and gasohol.
这些燃料，包括甲烷，丙烷和乙醇汽油。
Abstract: By theoretical inference and calorific value calculation method, theoretical economic ratio of making use of propane gas is found out.
文摘：采用理论推导和热值计算法，可求出使用丙烷气的理论节约率。
The studio also replaced windows to improve thermal performance and replaced an antiquated oil-fired boiler with an energy-efficient, propane-powered system.
工作室也替换了窗户以改善保温层，将过时的燃油锅炉变成了节能的丙烷动力系统。
The studio also replaced windows to improve thermal performance and replaced an antiquated oil-fired boiler with an energy-efficient, propane-powered system.
工作室也替换了窗户以改善保温层，将过时的燃油锅炉变成了节能的丙烷动力系统。
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