ultraviolet spectra的用法和樣例：
例句
- This paper reports the method of extraction of ricinine.UV and IR spectra of ricinine are studied by UV,IR spectrameter.
本文報導了蓖麻堿的提取方法，研究了它的紫外光譜和紅外光譜。 - It can be confirmed from the UV absorbent spectrum that the product has certain ultraviolet absorption.
通過對改性產物的紫外光譜表征發現產物具有一定的吸收紫外線能力。
