Method: Near - infrared diffuse reflectance spectrometry was used.

方法: 应用傅立叶变换近红外光谱仪.

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In the case of primarily in the product's surface increases the specular and diffuse reflectance.

物理变化主要体现在产品表面增加了镜面反射和漫反射能力.

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Diffuse reflectance FT IR was used to determine azithromycin in the azithromycin tablets.

采用红外漫反射定量分析技术,测定了阿奇霉素片剂中阿奇霉素的含量.

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