retention time
保留时间：在色谱分析中
常用释义
英式发音
美式发音
基本释义
- 保留时间：在色谱分析中，指样品中某个组分从进样口进入柱子到出现峰顶的时间间隔。保留时间是判断化合物在柱子上停留时间的重要参数，可用于分析和鉴定化合物。
例句
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1·The relative deviation of retention time and peak area were less than 1%.色素的柱保留时间和峰面积的相对偏差小于1％。
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2·The relative retention time and relative peak area were obtained with itself peak.结果以黄芩苷作为参照峰，得出各色谱峰的相对保留时间和相对峰面积。
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3·Infants; Intravenous catheter system; Sealing liquid; Sealing effect; Retention time.婴幼儿；静脉留置针；封管液；封管效果；留置时间。
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4·The retention time of a peak in the HPLC of the sample corresponded to that of ferulic acid.高效液相色谱表明样品在与阿魏酸相同保留时间处有吸收峰。
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5·Retention time distribution (RTD) is an important parameter of polymer in the extruding process.停留时间分布(rtd)是表征聚合物挤出过程重要的参数。
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6·The retention time of the quality record is usually twice as much as the guarantee period of the products.质量记录一般保存期限为产品保质期的两倍。
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7·The holding tube is designed to establish a retention time for the product AT the pasteurizATion temperATure.我们设计保温管来确保产品在巴氏杀菌温度时的保留时间。
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8·Melamine peaks meeting the retention time and ion ratio criteria must be compared to the positive tissue control.即使三聚氰胺的保留时间和离子比符合检出标准也必须和阳性对照样品进行比较。
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9·Observe the length of retention time, as well as the occurrence of phlebitis, catheter extrusion, plug and so on.观察留置时间的长短，以及静脉炎的发生、导管脱出、堵塞等情况。
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10·As you perform the method validation for a method, you can confirm that the retention time variation is acceptable.只要你做了方法的验证，就可以保证保留时间变化是可接受的。