单词：size separation
size separation的用法和样例：
例句
- Separation and purification of lycopene by column chromatogram were studied.采用柱层析法分离纯化番茄红素。
- Alcohol precipitation is an efficient method for separation and purification of xanthan gum.醇析法是一种有效分离提纯黄原胶的方法。
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