- 行业: Energy
- Number of terms: 9078
- Number of blossaries: 0
- Company Profile:
California’s primary energy policy and planning agency
The use of sunlight to supplement or replace electric lighting.
Industry:Energy
A device with separate air chambers that transfers heat between the conditioned air being exhausted and the outside air being supplied to a building.
Industry:Energy
Propellants used in aerosol products and refrigerants that are believed to be causing depletion of the earth's ozone shield. See CFCs.
Industry:Energy
A control system that varies the light output of an electric lighting system in response to variations in available daylight.
Industry:Energy
A class of liquid chemicals that have certain combinations of hydrogen, carbon and oxygen, and that are capable of being used as fuel.
Industry:Energy
A unit of illuminance on a surface that is one foot from a uniform point source of light of one candle and is equal to one lumen per square foot.
Industry:Energy
Extraction of coal or minerals at depths greater than 1,000 feet. Coal usually is deep-mined at not more than 1,500 feet.
Industry:Energy
A central furnace equipped with a fan or blower that provides the primary means for circulation of air.
Industry:Energy
A unit, based upon temperature difference and time, used in estimating fuel consumption and specifying nominal annual heating load of a building. When the mean temperature is less than 65 degrees Fahrenheit the heating degree days are equal to the total number of hours that temperature is less than 65 degrees Fahrenheit for an entire year.
Industry:Energy
