size separation

• 粒析,颗粒离析

size separation的用法和样例：

例句

1. Separation and purification of lycopene by column chromatogram were studied.
   采用柱层析法分离纯化番茄红素。
2. 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。