第一种是热能煤，一中新兴国家用来发电的最便宜也最受欢迎的煤。
The first is for thermal coal, the cheapest and most popular way for emerging economies to produce electricity.
这些豆壳与木头的热能价值相近，将以1：33的比例与煤混合。
The shells, which have a thermal value similar to that of wood, will be mixed with the coal in a 1-to-33 ratio.
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。
In fact fuels we burn and plant foods we eat give off their chemical energy in the form of heat energy.
直至前不久，它自夸到地热能不同于风能、太阳能等这些可再生能源，地热能是一类跟煤、天然气甚至是核能一样的一种为基本负荷供电的资源，但是它不会产生温室气体也不需要为辐射担心。
Until recently, it has boasted that, unlike other renewables, such as wind or solar, it is a base-load resource similar to coal, gas or even nuclear, but without greenhouse gases or radiation fears.
像天然气、石油和煤这样一些矿物燃料是我们最重要的沉积资源，热能、电能以及金属加工少不了它们。
The mineral fuels, such as natural gas, petroleum and coal, are our most important sedimentary resources. They are essential for eat and power and metal refining.
针对电厂热能动力工程专业的实验教学与科研的需要，设计、建设了一套煤粉燃烧实验装置。
This paper developed a set of experimental apparatus for pulverized-coal combustion in order to meet the experimental teaching and study for the electric power plant heat energy power engineering.
煤所产生的光能和热能间接地来自太阳。
The light and heat energy from coal comes from the sun in a roundabout way.
就煤、石油、天然气、地热能、核能等能源来说，不仅储量、开发量有限，而且是不可再生能源。
On energy and so on coal, petroleum, natural gas, geothermal energy, nuclear power, not only the reserves, the development quantity are limited, moreover is the renewable energy source.
煤制气的用途广泛，可以应用在各个需要热能转换的行业，如：铸造业：精铸模壳加温；
The extensive use of coal gas, can be applied in all need to heat energy conversion sectors, such as: foundry industry: pure mold shell heating;
煤制气的用途广泛，可以应用在各个需要热能转换的行业，如：铸造业：精铸模壳加温；
The extensive use of coal gas, can be applied in all need to heat energy conversion sectors, such as: foundry industry: pure mold shell heating;
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