以下为句子列表：
英文: With normal chromatographic column in gas chromatography, the relative retention time between peaks of hydrogen and helium is short, the large peak of hydrogen often covers up the peak of helium.
中文: 摘要使用气相色谱法分析氢中氦时，在常用色谱柱上氦出峰在氢后面，并且位置很近，较大的氢峰会掩盖氦峰。
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