retention temperature 程序升温气相色谱法中，待测组分从色谱柱洗脱出时的柱温，称为该组分的保留温度。 保留温度相当于恒温色谱的保留值，是定性分析的依据。 同系物的保留温度分别与碳原子数及沸点呈线性关系。
然后进行对噪声污染像素的针对性滤波，实验证明，达到了既能有效滤除噪声，又完整保留温度信息的目的。
Then the pixels polluted by noise were filtered accordingly. Experiment proved that the method can filter out the noise effectively while keeping complete temperature information.
不同于普通的技术，它能够将蒸馏出的物质保持在足够低的温度，将通常会消失的易挥发材料保留下来。
unlike a regular still, it keeps the distillate at a low enough temperature to retain the volatile components that ordinarily disappear.
并从色谱热力学函数分析了保留指数随温度变化规律的主要原因是由于在色谱分离过程中不同的熵变和焓变所造成的。
The changing law of retention index with temperature from chromatographic thermal function resulted from the variation of the different entropy and enthalpy during the chromatographic separation.
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