 Wysłany: Wto 2:55, 19 Kwi 2011 Temat postu: all kinds of torture testing the reliability of li |
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(shih figuren 2) eshte shume e pershtatshme per te 50-300 vargw fuqi e energji-efektive zbatimet abstract: the traditional led and the module light, color, electrical parameter detectionmethods are electrical pulse drive,writing board ccd fast spectral measurements, there are certain conditions, thermal equilibrium after themeasurements, but the methods of measurement conditions and results and led lighting into practical work within the conditions are very different. this paper introduces the curve through the vf-tj mark and control the led junction temperature specified in the control measured under the light, color, electrical parameters not only for the use of led . neon signs California |
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