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  1. thermal resistance 相關
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  1. ... pump work is much smaller than turbine work or heat in) Thermal eff.=(797.4-2.583)/3080.0 = 0.258 Power out (Note 850 kg PER...

  2. Total surface of 4 walls and roof = (144 + 135) m^2 = 279 m^2 Heat loss by conduction = (1/2) x 279 x (25 - 10) watts = 2093 watts Heat loss by ...

  3. ... temperature. Thermistor is a combination of the words thermal and resistor. If we assume that the relationship between resistance and temperature is ...

  4. ...for transition metals) n=2 implies that the resistance is due to electron-electron interaction. As the...not only on the type of metal, but on its ...

  5. 1. Based on the formula : Φ = A × U × (T1 - T2) For the brickwork, Φ = 6m^2 x 0.95w/m^2oC x (T1 - T2) For windows, Φ = 2m^2 x 2.8w/m^2oC x (T1 - T2) So ...

    分類:科學及數學 > 數學 2014年12月02日

  6. ...c2)^2]*(c1 c2) =0.5*[Q^2/(c1 c2)] some energy is lost to dissipation of thermal energy in resistive component of connecting wire and EM wave produced... ...

  7. ... conductance of wall = 0.865/0.23 w/m^2.K = 3.761 w/m^2.K Resistance of composite wall = (0.23/0.865 + 0.23/0.26) K.m^2/w = 1.151 K.m^2...

  8. ...the ion core and other electrons. That why the resistance increase for the conductor. While in semi-conductor, there is another effect, the electron can ...

  9. ... wall) 個題係唔係拆射  之後全內反射 I think you refer to thermal (or infrared) radiation, not light....isn't it?

  10. ...effect. (超凡緩衝能力) » Excellent chemical resistance and weatherability. (極佳防風化能力) » Convenience... 3014-81 Density g/cm3 0.029 T ...