名词
中文翻译：色谱图
同义词：
['chromatograph', 'chromatography']
例句：
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1.The chemist used a chromatogram to identify the chemical compounds in the sample.
化学家使用色谱图来识别样本中的化学物质。
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2. The chromatogram showed that the sample contained trace amounts of heavy metals.
色谱图显示样本中含有微量的重金属。
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3.The chromatogram was used to determine the purity of the drug.
色谱图被用来确定药物的纯度。