... 坎德拉每平方米Candela per square meter 光度基准Primary photometric standard 光度副基准Secondary photometric standard ...
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所提取胶原的纯度以羟脯氨酸质量分数为基准，采用分光光度法测定为95 7%。 其结构为红外光谱所确证。
The purity of collagen was 95.7% based on the hydroxyproline content determined by UV. The struture of collagen was identified by FTIR.
全球各地染房和着色剂制造商使用的基准反射分光光度计。
The benchmark reflection Spectrophotometer used by Dye Mills and Colorant Manufacturers all over the globe.
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