光学滤光片在连续的光谱中用于透过一定宽度的光谱带或在线状光谱中提取某些辐射。
Filter is used to transmit spectrum of definitive broad band in the continuous spectrum or to extract certain radiation in the line-spectra.
在紫外吸收谱中表现为吸收边明显蓝移，而在光致发光谱中，表现为带边发射的蓝移。
Blue shift appears both on the absorb edges in the absorption spectra and on the band-edge emission in the luminescence spectrum.
变温红外光谱法是研究结晶化合物结晶谱带的一种有效方法。
Variable temperature FTIR spectra method was used to study the crystalline spectra of crystal compounds.
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