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The 15,000 K black-body spectrum (dashed line) matches the visible part of the stellar SPD much better than the black body of 9500 K. All spectra are normalized to intersect at 555 nanometers. In astronomy , the color temperature is defined by the local slope of the SPD at a given wavelength, or, in practice, a wavelength range.
The Btu should not be confused with the Board of Trade Unit (BTU), an obsolete UK synonym for kilowatt hour (1 kW⋅h or 3,412 Btu). The Btu is often used to express the conversion-efficiency of heat into electrical energy in power plants. Figures are quoted in terms of the quantity of heat in Btu required to generate 1 kW⋅h of electrical energy.
The range of isothermal color temperatures for both diagrams is from 1000 K (1000 MK −1) to 10 000 K (100 MK −1). Contracted from the term micro reciprocal degree , the mired ( / ˈ m aɪ r ɛ d / [ 1 ] ) is a unit of measurement used to express color temperature .
Red arrows show that 5780 K black bodies have 501 nm peak wavelength and 63.3 MW/m 2 radiant exitance. Correlated color temperature ( CCT , T cp ) refers to the temperature of a Planckian radiator whose perceived color most closely resembles that of a given stimulus at the same brightness and under specified viewing conditions."
Let K 0 is the normal conductivity at one bar (10 5 N/m 2) pressure, K e is its conductivity at special pressure and/or length scale. Let d is a plate distance in meters, P is an air pressure in Pascals (N/m 2 ), T is temperature Kelvin, C is this Lasance constant 7.6 ⋅ 10 −5 m ⋅ K/N and PP is the product P ⋅ d/T .
Cold vs. heat for pain. With regards to the modalities of heat and cold, each works to modify the blood flow to the muscles and joints in the area applied, says Rahul Shah, ...
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