- 行业: Government
- Number of terms: 22108
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The duct(s) of a forced air heating/cooling system through which heated or cooled air is supplied to rooms by the action of the fan of the central heating or cooling unit.
Industry:Energy
The effect of cooling by the radiation of heat from a building to the night sky.
Industry:Energy
The electrical and magnetic fields created by the presence or flow of electricity in an electrical conductor or electricity consuming appliance or motor.
Industry:Energy
The electrical power that oscillates between the magnetic field of an inductor and the electrical field of a capacitor. Reactive power is never converted to non-electrical power. Calculated as the square root of the difference between the square of the kilovolt-amperes and the square of the kilowatts. Expressed as reactive volt-amperes.
Industry:Energy
The elements and compounds that result from the combustion of a fuel.
Industry:Energy
The energy liberated in a chemical reaction, as in the combustion of fuels.
Industry:Energy
The energy lost from the movement of a fluid in a conduit (pipe) due to the disturbances created by the contact of the moving fluid with the surfaces of the conduit, or the additional pressure that a pump must provide to overcome the resistance to fluid flow created by or in a conduit.
Industry:Energy
