The optimized conditions of these two methods were confirmed through investigation and study of the acidity and dosage of color developing reagents.

通过对显色剂剂量和酸度等反应条件的研究和选择，确定了两种方法的最佳实验条件。

youdao

Using carubinose as standard, DNS as color developing reagent, the content of mannan in coconut shell was indirectly determined by spectrophotometry.

以D-甘露糖为标准，DNS作显色剂，用分光光度法间接测定椰子壳中甘露聚糖的含量。

youdao

Using D-xylose as standard and DNS as color developing reagent, the content of xylose in coconut shell was indirectly determined by spectrophotometry.

以d -木糖为标准，DNS为显色剂，采用分光光度法间接测定椰壳中木聚糖的含量。

youdao

These small, color-producing structures formed as the dinosaur was developing.

VOA: special.2010.03.16

"The animals are actually developing color on the skin and they're doing it without pigments, and they potentially have the chance to be picking a certain color, " Wardill said.

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Medical teams planned for the births for months, even designating a special "Code 5" designation, handing out pagers to staff and developing a color-coded system to match each baby with his or her needed supplies.

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The system is modeled after military base security protocols in which a color code signifies the level of precaution and perceived threat, according to two officials involved in developing it.

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