例句與造句

1. Through the preliminary purification we obtain a pure solution of sam - hso4
   通過初步純化，得到了較純的sam硫酸鹽溶液。
2. Study on the preliminary purification and bioactivity of recombinant human tnf - mutein
   突變體471蛋白的初步純化及生物學(xué)活性
3. High efficiency expression and preliminary purification of recombinant heat shock protein a subunit of helicobacter pylori
   亞單位的高效表達(dá)及其初步純化
4. It's difficult to find preliminary purification in a sentence. 用preliminary purification造句挺難的