initial retention time

基本解释

The gradient elution is reasonable when the retention time is 2.3 times after the appearance of prominent peak with initial mobile phase acetonitrile-water(40:60).
用初始流动相乙腈-水（40：60）洗脱至主峰出峰保留时间的2.3倍时开始进行梯度洗脱比较合理。
The effects of applied voltage, retention time and initial concentration on decomposition efficiency were studied and the decomposition products of ammonia were analyzed.
研究了施加电压、停留时间、初始浓度对臭味气体分解率的影响，并对氨的分解产物进行了初步分析。
Based on the material and process requirements of dynamic water grouting engineering, slurry retention rate with different water velocities and the pumpability after initial setting time are tested.
基于现场动水注浆治理的材料与工艺要求，测定材料在不同水流速中浆体留存率与可泵性；
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