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Thermal simulation and optimization of high-power white LED lamps

• Kun Bai, Li-Gang Wu, +5 authors Fa-wei Zhang
• 2011 International Conference on Electronics…
• 2011

This paper designs a packaging structural of six-chip white LED down light with a total power of 15 W. The highest temperature of LED chip is 110.5°C, and the temperature of heat sink is 71.6… (More)

5-Amino-2-methyl­benzene­sulfonamide

• Xiang-jun Ma, Zheng Fang, Li-li Ren, Ping Wei
• Acta crystallographica. Section E, Structure…
• 2009

In the crystal structure of the title compound, C(7)H(10)N(2)O(2)S, a benzoic acid derivative, inter-molecular N-H⋯O inter-actions link the mol-ecules into a three-dimensional network.

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