目前，对染色方法改进主要集中在如何提高蛋白质染色的灵敏度，操作方便与否，费用是否昂贵等方面。

The recent new methods or modification of the existed methods were mainly followed sensitivity of the stain, simpleness of the procedure and the expense.

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结果表明，此法具有设备简单、操作方便、分离快速、灵敏度及分辨率高、显色选择性大和所需费用低等优点，可用于油品的日常分析。

The results show that these methods are simple, rapid, versatile and of low cost and can be successfully used in routine analysis of petroleum products.

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