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적색스테인
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yUzuCbIGsQ |
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| I was born in Australia but grew up in England http://thumbzilla.fun thumbzilla In previous experiments, however, the 3D structure of the emitter was destroyed at temperatures of around 1800 F (1000 C). To address the problem, Braun and his Illinois colleagues coated tungsten emitters in a nanolayer of a ceramic material called hafnium dioxide. |
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Aidan |
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