ultraviolet spectrum的用法和樣例：
例句
- 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徵發現產物具有一定的吸收紫外線能力。 - The concentration measurement of novel water-soluble polymers used in EOR by means of ultraviolet spectroscopy is discussed.
通過實驗驗證了紫外光譜法可用於測定提高採收率用新型聚合物濃度。
