[化] 梯度洗脱

gradient elution的用法和样例：

例句

METHODS Gradient elution HPLC was used to analyze the alcohol extracts of Radix Salviae Miltiorrhizae.方法采用梯度洗脱高效液相色谱法分析丹参乙醇提取物。
In this way, the different grades of acetonitrile and methanol were tested to show the feasibility with which they are applied in gradient elution.按照此法，对国产不同等级的乙腈和甲醇进行了测试，指明这些试剂用于梯度洗脱的可能性。

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US Farmers Work to Curb Lake Erie Pollution

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英语新闻

Pollution-dogged Beijing calls for firework restraint

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学英语单词

a cold coal to blow at

a regulation game

additional duty allowance