The major difference between these two power generators is that the chemical energy of the fuel cell is converted directly to electrical power without intermediate conversion first to heat.
主要的区别在于，燃料电池的化学能量能直接转化成电能而不需要先转化成热能。
When a fuel unites with oxygen, we say the fuel burns; what is really happening is that chemical energy (fuel and oxygen) is changing to heat energy.
当燃料与氧气结合，我们就说燃料开始燃烧了，实际发生的是化学能(燃料与氧气)转化成热能。
Chemical energy gasoline, fossil fuel can be burned, converted to heat, converted to electricity.
化学能，汽油，矿物燃料能被燃烧，转化成热量，再转化成电。
The amount of energy emitted by the Earth depends significantly on the chemical composition of the atmosphere, particularly the amount of heat-trapping greenhouse gases.
而地球向太空所辐射的能量多少，则在于大气层中空气成分构成，尤其是温室气体的含量大小。
That energy does not exist in the form of a glowing, ghostly ball of electromagnetic energy, but rather in the form of heat and chemical energy.
那些能量根本不存在于所谓的幽灵的闪耀的团块状电磁能量中。
A diesel engine can not utilize all the chemical energy of the fuel nor can any other heat engine.
柴油机不能利用燃料的全部化学能，任何别的热机也做不到这一点。
Energy in the form of heat and electricity, is also reclaimed during the process of chemical recovery.
在化学品回收的过程中，以热和电的形式存在的能量也被回收。
For example, fuel-Burning heat engines convert chemical energy to thermal energy; Batteries convert chemical energy to electrical energy .
如用燃料烧热的引擎把化学能转为热能，电池把化学能转为电能。
A single unit that is capable of changing some form of energy, such as chemical energy, radiant energy, or heat into electricity.
能把某些能量形式，如化学能、辐射能、热能等，转变成电能的单个装置。
A finite volume method was utilized to perform a discrete solution for the equations of mass, chemical components, momentum and heat energy conservation.
利用有限体积方法对质量、化学组分、动量和热量守恒方程进行离散求解。
The flame retardant fundamentals were discussed based on the flame retardant chemical reactions, bond energy, heat transfer and reaction kinetics aspects.
本文从阻燃化学反应、化学键能、热传递和反应动力学角度分析卤素类阻燃剂的阻燃机理。
Any of various substances, usually fluid, which provide heat, chemical, or pressure energy for engine operation. Also known as motor fuel.
为发动机操作提供热能、化学能或压力能的任何一种物质，一般是流体。亦称马达燃料。
A diesel engine can not utilize all the chemical energy of the fuel, nor can any other heat engine.
柴油机不能利用燃料的全部化学能，任何别的热机也做不到这一点。
Heat is only one of several kinds of energy, and among the other kinds are electric energy, light, chemical energy.
热能仅是几种能量中的一种，其他的能有电能、光能、化学能。
Chemical energy may be converted to heat.
化学能可以转变为热能。
Under some conditions chemical energy is liberated during a chemical reaction in forms other than heat.
在某些条件下，在化学反应期间，化学能还能以除了热能以外的其他形式释放出来。
The recovery of chemical reaction heat in its production can save a lot of energy source, decrease the cost of its production and improve production environment.
回收甲醛生产过程中的化学反应热量不但节省大量能源，对于降低甲醛生产成本，改善生产环境都具有现实意义。
Subjects of study include heat and energy in chemical reactions, life in harsh environments, such as the sea floor, and the laboratory analysis of minerals.
课程包括化学反应的热和能量，恶劣环境下的生命，如海底，以及矿物质的实验室分析。
In it often accompany heat transfer, mass transfer, chemical reaction and phase change. Mutual interactions of mass, momentum, energy and heat among different phases are very complicated.
气粒多相流动中往往伴随着传热传质、化学反应、相变等，相与相间的质量、动量、能量和热的相互作用十分复杂。
The chemical heat pumps are an effective technology of using new energy sources and upgrading waste heat.
化学热泵是新能源利用和废热改质的一种有效技术。
The cause, content and effect of energy saving modification of high-pressure wasted-heat boiler in Anqing Petro-Chemical Plant is described in the paper.
简述安庆石化厂合成氨装置中高压废热锅炉系统改造的原因、内容及改造后的节能效果。
The 3. 5 MW chemical heat pipe system designed by Institute of Nuclear Energy Technology of Tsinghua University is reported.
报导了清华大学核能技术设计研究院设计的3.5MW化学热管系统。
Based on some demands in thermal energy engineering and chemical industries, a new type of heat pipe was proposed and studied experimentally.
根据热能工程及化工领域中的某些实际需要，提出了一种新型分离式可变热导热管并进行了实验研究。
In fact fuels we burn and plant foods we eat give off their chemical energy in the form of heat energy.
其实我们烧的煤和吃的植物性食物都是以热能形式放出它们所含有的化学能。
Electrical energy may be converted into heat, light or chemical energy.
热能仅是几种能量中的一种，其他的能有电能、光能、化学能。
The application and their research progress of carbon materials in thermal energy domain such as heat transfer enhancement, chemical heat pump, and latent energy storage, are reviewed.
综述了碳材料在强化传热、化学热泵和潜热蓄能等热能领域中的最新应用与研究进展；
In some chemical industry enterprises, for the low technology level at the time they were built, the heat exchanger network is poorly designed which leads to the waste of energy.
一些早期建成的化工企业，由于当时技术的落后，换热网络设计不合理，造成能源的浪费。
Solar energy can be transformed into heat energy, electricity energy and chemical energy.
太阳能可以转换为热能、电能和化学能。
The forms of energy with which we often meet are heat energy, sound energy, electrical energy, chemical energy.
我们经常遇到热能、声能、电能、化学能多种形式的能。
There are different kinds of energy such as heat energy, electric energy and chemical energy.
有各种各样的能，诸如热能、电能及化学能。
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