Messier 64 (M64) has a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its nicknames of the "Black Eye" or "Evil Eye" galaxy.
Comparing with MWNTs, the maximum absorbing peak of the MWNTs with Ni coating reduce, but the band width has the broad trend.
碳纳米管表面镀镍后吸收峰值虽然变小,但吸收峰有宽化的趋势,这种趋势有利于制造宽频吸波材料。
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However, the infrared light flammable gas detector is very suitable for the hydrocarbon with stronger absorbing ability to some frequency band infrared light.