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Thermal Expansion , The term thermal expansion refers to the increase in size of an object as that object is heated. With relatively few exceptions, all objects expand w… Heat Pump , Background
As a result of society's increasing concern for ecological and environmental issues, the demand for more efficient ways to utilize heat an… Evaporation , Evaporation is the movement of a substance from its liquid to its vapor phase. (Movement directly from solid to vapor phase is called sublimation.) I… Heating , Heating
HEATING. House warming continued to depend on the primitive fireplace, often without a chimney, through the seventeenth century. In the mid-e… Pyrolysis , pyrolysis The heating of organic molecules without oxygen, to produce hydrocarbons (char) which have a high calorific value. Fuel produced by this pr… Latent Heat , latent heat (symbol L) Heat absorbed or given out by a substance as it changes its phase at constant temperature. When ice melts, its temperature rem…
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expansion rings