The proposed method is applied to the visible-light image and IR-illuminated image in the experimental condition, and contrasted with a method based on active contour.

用该方法对实验环境照度下捕捉的图像和红外光源辅助照明的图像进行了分析，并与主动轮廓线方法对比。

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The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.

提出了以高氯酸为催化剂，分析纯乙酸乙酯为介质，乙酰化法测定伯、仲醇的实验条件，实现了对经典方法的改进，简化了操作程。

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The method mentioned in this paper had a further improvement than the universal using method at present, it reduced the experimental condition and enhanced the production rate.

在目前普遍使用的制备方法上做了进一步改进，可以在实验条件降低的情况下，使产品产率得到提高。

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