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“british”
British Standards Institution, BSI
A United Kingdom (British) national standards body.
Although government funded, the institution is independent. The BSI interprets international technical standard for the U.K., and it also sets its own standards.
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Measurements and Mathematics Terms
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British thermal unit, Btu
An imperial unit of heat, now replaced in the SI system by the joule (one British thermal unit is approximately 1,055 joules).
Burning one cubic foot of natural gas releases about 1,000 Btu of heat.
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Measurements and Mathematics Terms
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British Thermal Unit; BTU, Btu
The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit; equal to 252 calories.
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Photovoltaic Conversion Efficiency Terms +
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