preparative scale meaning in English

制备规模的,制备级的

Rapid choosing the proper combination of chiral stationary phases and sfc solvent modifier plays a key role for using sfc successfully in preparative scale
快速筛选手性固定相和调节剂是成功应用超临界流体色谱于制备过程的关键。
The application of sfc has also moved from the analytical scale , simply for identifying enantiomers , towards semipreparative or preparative scale to produce material in amount ranged from a few milligrams to hundreds of grams
超临界流体色谱正在从单纯地对对映体进行鉴定的分析规模，转向能生产几毫克到几百克物质的半制备或制备规模。