It removes heat from the air outside or the ground below and uses it to supply heat to a building or its water supply.

它从外面的空气或下方的地面收集热量，并用此来供应建筑物或其供水所需的热量。

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The system USES the heat from waste gases produced in the kiln during the cement-making process both to dry the cement and to heat water in a boiler that drives a turbine to produce electricity.

这套设备利用了水泥窑在生产时排放出的废气中的热量，通过热交换的原理，既晾干了水泥熟料，又加热了锅炉里的水，从而形成水蒸气，最后推动涡轮转动发电。

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One of the group's biggest challenges is finding a metal that conducts heat poorly, so heat is not transferred from one side of the chip to the other.

这个团队最大的挑战之一是寻找一种导热很差的金属，这样的话，热量就不会从一边传到另一边了。

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The C stands for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears.

VOA: special.2009.12.23

Adiabatic meaning there's no heat involved, and we're going to see how that differs from the isothermal expansion and compression.

绝热意味着没有热量的传递，我们将看到它,与等温过程的区别。

麻省理工公开课 - 热力学与动力学课程节选

a You know that what will happen is that heat will flow from a to b from b to c and from a to c. That's common-sense.

你知道会发生的是热量从流向,从流向,以及从流向。

麻省理工公开课 - 热力学与动力学课程节选

Both retired early only to find everything from gas to heat to food costing more than they expected.

NPR: Democrats Make Gains In A GOP Stronghold

Meanwhile, Sweden is soaking up body heat from public places to help heat buildings, China unveiled plans for a futuristic eco city, and several offices in Minnesota flipped on a set of souped-up ceiling lights capable of broadcasting wireless internet.

ENGADGET: Inhabitat's Week in Green: sexy green cars, glass strong as steel, and Tianjin's Eco-City revealed

At Kalunborg waste heat from industry is used to heat nearby homes.

ECONOMIST: Allen Kneese