我们能源系统的主要组成部分，如燃料生产、提炼、发电和分配，用的是昂贵的、使用寿命较长的装置。
The major components of our energy systems, such as fuel production, refining, electrical generation and distribution, are costly installation that have lengthy life span.
大气棕色云主要是由人们燃烧生物质和化石燃料产生的炭黑(悬浮的碳颗粒)组成的。
Atmospheric brown clouds are made up mostly of soot - suspended carbon particles - produced by people burning biomass and fossil fuels.
2035年，化石燃料仍然是主要的能源，不过，由于再生能源和核能受到青睐，其在能源组成中的比重将有所下降。
Fossil fuels will still be the dominant source of energy in 2035, though their share in the energy mix will fall in favour of renewable energy sources and nuclear power.
能源对于以科技为基础的社会来说是不可或缺的组成部分，而且由于人们越来越需要用最经济的方法获得电能，因此陶瓷燃料电池的未来必定一片光明。
Energy is a vital component of a technology-based society, and the growing need for electricity generation by the most efficient method will ensure a promising future for ceramic fuel cell technology.
我们的主要矿物燃料包括——煤，石油和汽油——他们的组成成分都包括碳，它已经在我们的地球积压了数百万年，我们现在将它使用和燃烧，让它快速的归还到大气中。
Our main fossil fuels — coal, petroleum and gasoline — are made up of carbon that has been compressed in the Earth for millions of years and we're now burning and rapidly restoring to the atmosphere.
新型运载火箭将由飞船助推火箭、燃料箱、主发动机以及月球火箭发动机组成。
They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines.
一枚火箭可能会由多个部分组成，每一个部分称作一级，每一级又包含各自的引擎。当某一级的燃料耗尽时就回自动脱离火箭。
Rockets can be made up of multiple sections, known as stages, each of which contain an engine and can be jettisoned when their fuel runs out.
如果以这种方式熔化的燃料足够多，或许能够组成一个临界质量，重新引发裂变反应。
If enough molten fuel gathers this way, a critical mass may be assembled, reigniting the fission reaction.
锆锡合金形成第二道防护，把放射燃料跟反应堆其他的组成分隔开。
The Zircaloy casing is the second barrier to release that separates the radioactive fuel from the rest of the reactor.
煤油每个分子约由10到18个碳组成，现主要用于飞机燃料。
Kerosene, with around 10 to 18 carbons per molecule, is now largely used to make jet fuel.
作为阴极氢燃料调查的新型催化剂，它是由碳、铁以及钴三种原料组成。
Researchers at Los Alamos National Laboratory have developed a platinum-free catalyst in the cathode of a hydrogen fuel cell that uses carbon, iron and cobalt.
在印度尼西亚，砍伐雨林是为了种植棕榈树，获取棕榈油，这是生物燃料的组成部分。
In Indonesia, rain forests are felled to plant palms for the palm oil, which is a component of biofuels.
它也是燃料电池的关键组成部分。
第二个中期组成部分将扩大对能源项目的资助，以提高国家承受高涨的和动荡的燃料价格的长期能力。
A second component, for the medium-term, would scale up financing of energy projects to reduce a country's longer-term vulnerability to high and volatile fuel prices.
在我们寻找用以取代化石燃料的可再生，安全并且廉价的能源的诸多努力中，利用阳光来将纯水还原成其组成元素的两种单质形态——氢气和氧气是其中大有希望的一种办法。
Using sunlight to split water into its components — hydrogen and oxygen — is one of the most promising methods for creating a sustainable, safe and cheap alternative to fossil fuels.
乏燃料由完全耗尽铀-235的旧燃料棒组成，核反应堆的链式反应就是由铀-235激发的。
It is made up of old fuel rods that have become sufficiently depleted of uranium-235, the isotope that drives a reactor’s main chain reaction, to be no longer useful.
铝已经成为了许多火箭燃料小却关键的组成部分，包括航天飞机固体燃料推进火箭和国家宇航局下一代的Ares火箭。
Aluminum already represents a small but critical part of many rocket fuels, including the propellants for the space shuttle's solid booster rockets and NASA's next generation Ares rockets.
该项工程属于壳牌和Cosan组成的合资企业；这家合资企业每年生产超20亿升的生物燃料，生物燃料生产运作规模为世界之最，拥有Codexis生物科技公司16.4%的股份。
The project is part of a joint venture by Shell and Cosan; with a capacity of more than 2 billion litres a year, it is the world's largest biofuel operation, and it owns a 16.4% stake in Codexis.
这个办法是将植物的所有废弃物都转化为燃料，尤其是植物细胞壁组成物质，纤维素。
The idea is to take the whole biomass of the plant (particularly the cellulose of which a plant-cell's walls are made) and turn it into fuel.
燃料电池由阳极、阴极、电解质和外部电路等组成。
Fuel cell consists of anode, cathode, electrolyte and external circuit.
含蜡原油管道输送成本主要由动力消耗和燃料消耗两项组成。
The transportation cost of waxy crude oil pipeline consists of power and fuel consumption.
在燃料电池发动机和镍氢电池组组成的混合动力系统中，提出了通过一个双向电源变换器实现双电源输出功率混合的控制方法。
For hybrid power system composed of a fuel cell engine and a group of Ni-H batteries, a new control method with a bi-directional power converter is proposed.
石油主要被用来作为燃油和汽油，燃料油和汽油组成世界上最重要的一次能源之一。
Oil is primarily used as fuel oil and gasoline, which make up one of the world's most important primary energy.
不管是蜡烛的蜡，木头还是煤油，这些燃料一般来说含有碳原子组成的大分子。
This fuel–whether it's candle wax, wood, or gasoline–usually contains big molecules that have carbon atoms inside them.
研究了燃料种类及煅烧温度对合成产物相组成和粉末形貌的影响。
The influences of fuels and various calcinations temperatures on the phase components and microstructure of combustion synthesized products are described.
典型的燃料供给系统由油箱总成、油管、燃油泵和汽油滤清器组成。油箱用于存储汽油。
A typical fuel-supply system consists of a fuel tank assembly, fuel lines, or fuel pump, and outlet filter. The fuel tank stores a supply of fuel.
阿天然气生产商是一个简单的设备组成的圆柱形容器通常为燃料所占的空间，进气口，气口和炉排。
A gas producer is a simple device consisting of usually cylindrical container with space for fuel, air inlet, gas exit and grate.
阿天然气生产商是一个简单的设备组成的圆柱形容器通常为燃料所占的空间，进气口，气口和炉排。
A gas producer is a simple device consisting of usually cylindrical container with space for fuel, air inlet, gas exit and grate.
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