FT-IR spectra showed that the carbonyl absorption band of quercetin was shifted.

IR图谱槲皮素羰基吸收峰产生位移；

With the increasing deposition amount of Cu, the absorption band - edge red - shifts.

根据雷利散射引起的消光增强解释了组装体吸收带边红移的原因.

As a single crystal ithas large emission cross, wide absorption band, low threshold, high thermoconductivity.

具有大的受激发射跃迁截面, 宽吸收带, 低激光发射振荡阈值, 高热传导率等特点.

In this paper several kind of ion exchange fiber have be studies by micro infrared spectroscopy and the main absorption band are assigned.

合成了离子交换纤维并研究了它们的红外光谱，得到了一些有价值的结果。