opaque band 中文意思是什麼
opaque band
解釋
紙質光號帶-
The nano - zno had high transparence property in the band of visible light, while the commercial zno powder was opaque. at the same time, nano - zno had wide absorption frequency as well as good absorption effect within the ultraviolet band. with the decreasing of the diameter of nanometer particle, blue shift of absorbing peak was observed
結果表明：納米氧化鋅在中紅外頻段與普通氧化鋅的吸收能力相當，但由於納米氧化鋅的表面效應，其中紅外吸收峰形狀與普通氧化鋅不同；在可見光區，納米氧化鋅具有普通氧化鋅所不具備的高透光性；而在紫外光區，納米氧化鋅具有很寬的吸收頻段和優異的吸收性能，同時，隨粒徑的減小，吸收峰發生藍移。
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