The spectral properties of oil skin care products was analyzed by ultraviolet spectrophotometer.

用紫外分光光度法分析化妆品用茶油的光谱特性.

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Use UV 300 ultraviolet spectrophotometer to estimate the purity and concentration of total UNA.

用UV300紫外分光光度计测定总RNA的纯度及浓度.

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The films transmittance and surface structure were investigated by means of Ultraviolet spectrophotometer, AFM and XRD.

借助紫外分光光度计 、 原子力显微镜(AFM)、X射线 衍射(XRD)方法研究了薄膜的透射率、表面结构.

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