The quantitative chemical analysis of dioxins requires sophisticated methods that are available only in a limited number of laboratories around the world.
对二恶英进行化学量化分析需要非常先进的方法，世界上只有数量有限的几个实验室能够做到。
The quantitative chemical analysis methods of milk protein fiber blended fabrics are introduced.
文章介绍了大豆蛋白纤维混纺产品的定量化学分析方法。
The quantitative chemical analysis methods of soybean protein fiber blended fabrics are introduced.
文章介绍了大豆蛋白纤维混纺产品的定量化学分析方法。
Methed: Qualitative and quantitative chemical analysis methods were used to evaluate the quality of different cutting processed A. sinensis.
方法：采用化学手段，建立多指标定量、定性评价的方法，评价不同方法切制的当归饮片质量。
Methed: Qualitative and quantitative chemical analysis methods were used to evaluate the quality of different cutting processed A. sinensis.
方法：采用化学手段，建立多指标定量、定性评价的方法，评价不同方法切制的当归饮片质量。
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