preparation of materials

• 材料制备

preparation of materials的用法和样例：

例句

1. The present paper will chiefly review the important role of organic macromolecules in the preparation of ordered porous materials.
   文中主要介绍有机大分子在有序多孔材料制备中的应用。
2. The application and the progress in the preparation of nanometer sized materials by molecular self assembly method are reviewed.
   对分子自组装技术在纳米材料制备方面的应用及其研究进展作了综述报导。