通过实验制作了表示密度-颜色变换的等色线区图。
The chart of isochromatic region indicating the transformation between density and color is made by experiment.
并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择，以及试样与溶剂的体积比的选择进行了实验。
The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.
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