The third phase of sleep, REM sleep, is known to promote memory retention of learning that took place during the day.
第三阶段的睡眠，即动眼睡眠，能够帮助记忆那些白天学到的东西。
By predicting the retention time, peak width and resolution of each solute under different mobile phase conditions, the overlapping separation range map of the solutes in the sample is plotted.
该方法通过预测不同流动相条件下各组分的保留时间、峰宽和分离度，绘制出对于样品中各组分的重叠分离区域图。
The effects of temperature, flow rate and composition of mobile phase on retention, resolution, column efficiency and the pressure of the system were examined.
考察了温度、流速和流动相组成对酚类样品的保留、分辨、柱效和系统压力的影响，探讨了酚类样品在聚合物柱上的热力学行为。
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(40：6 0)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 radial acceleration forces can cause greater retention of the solid phase combustion products near the propellant surface.
径向加速度的力量可以造成更大的保留固相燃烧产物附近的推进剂表面。
The synthesized stationary phase was evaluated in detail to determine its separability, monomer synthetical process, effect of acetonitrile (ACN) and methanol on the retention of solutes.
详细考察了单体的合成过程，分离性能以及乙腈、甲醇对溶质保留行为的影响，并用红外光谱和元素分析对固定相进行了表征。
Objective To study the value of dual-phase ~(18)F -FDG PET imaging, standardized uptake value(SUV) and retention index(RI%) in the diagnosis of malignancy.
目的探讨双时相~（18）F-FDG PET显像图像、标准摄取值（SUV）及储留指数（RI%）在恶性肿瘤诊断中的价值。
When the stationary phase is a liquid or a solution partition mechanism governs the retention of reversed-phase paper chromatography just as in liquid-liquid extraction.
本文认为当固定相为液体或溶液时，反相纸层析与液液萃取一样属于分配机制。
The effects of the types of the mobile phase on the retention behaviour of metronidazole, amoxicillin and the other components in the samples were investigated.
考察了不同流动相下两主药的色谱行为、供试品溶媒对甲硝唑和阿莫西林稳定性的影响情况。
In the reversed-phase system, the influence of residual silanol groups of C18 bonded phase surface on the retention behaviors of heteropoly acid (HPA) anion is studied.
在反相体系中，研究了十八烷基键合相表面残留硅醇基对杂多酸阴离子保留行为的影响。
In the reversed-phase system, the influence of residual silanol groups of C18 bonded phase surface on the retention behaviors of heteropoly acid (HPA) anion is studied.
在反相体系中，研究了十八烷基键合相表面残留硅醇基对杂多酸阴离子保留行为的影响。
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