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  1. ... by the body, as a result, the person will feel warmer. the dominant method of heat transfer : radiation I hope this can help your understanding. :)

    分類:科學及數學 > 化學 2007年10月17日

  2. Radiation does not require medium Radiation is transfer of heat through electromagnetic radiation in the heat spectrum...different "colors" of electromagnetic radiation . 2006-10-26 04:18:03 補充: 輻射:是直接...

  3. ...altitude - Over 1000oC at 300km altitude - Due to ultraviolet and radiation , it is rapidly heated - Absorb electric wave, so-called ionosphere

    分類:科學及數學 > 地理學 2009年01月06日

  4. ...deficit: more outgoing > incoming - Through different heat transfer mechanism, transfer heat to regions with energy deficit to maintain balance of heat - net radiation : incoming – outgoing radiation - in long term: net radiation = 0 what is atmospheric...

  5. ... (2)(i) New emissivity (輻射率) = 0.9 x 0.8 = 0.72 hence, intensity of radiation = 0.72 x (5.7x10^-8) x (273+25)^4 W/m^2 = 324 W/m^2 Original...

  6. 1.a. The heat transfer process is called radiation . b. The specific... glass can trap radiation in theheater so that the heat loss to the ...more heat can be transferred to the water. d...

  7. ... C 2. (a) This is to reduce heat loss by radiation . Otherwise the hot air inside the balloon will... a good emitter of heat and a good absorber of heat . If the spacesuits were black...

  8. ...conduction. On the contrary, if the inner surface is also painted black, heat transfer by radiation would become more effective. The temperature of air inside the box should appear to be...

  9. ... to maximize the radiation absorbed to their body to increase heat transfer to the body by radiation . b. This action can greatly reduce the total surface area exposed to the...

  10. ...39;C, heat loss is mainly bu convection. Heat loss by radiation is only important when the excess temperature ...26x10^11 J You can see that the initial heat energy to heat up the water is far more than...