名词
中文翻译：化学分馏
同义词：
['chemical distillation', 'chemical separation']
例句：
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1. The process of chemical fractionation is crucial in the production of pharmaceuticals.
在制药生产过程中，化学分馏过程至关重要。
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2. During chemical fractionation, the mixture is separated into itsconstituent parts.
在化学分馏过程中，混合物被分离成其组成部分。
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3. Thechemical fractionation technique has been used topurify complex compounds.
化学分馏技术已被用于纯化复杂的化合物。