Catalyst activity is known to connect with its composition and preparation method.
催化剂活性的好坏，与其组成、制备方法等密切相关。
参考来源 - 加氢精制催化剂制备方法的研究Nano-materials have a wide application in different fields due to specific physical effect. This paper simply describes application prospect and preparation method of nano-materials.
纳米材料由于其自身特有的物理效应,在不同领域具有广泛的应用性;文章简述了该材料的应用前景,并概述了其基本的制备方法。
参考来源 - 浅谈纳米材料应用前景及制备方法·2,447,543篇论文数据，部分数据来源于NoteExpress
This is a preparation method for an instant sea hedgehog food.
这是一种即食海胆食品的制备方法。
The invention relates to a polyhedral silsesquioxane (POSS)-modified polypropylene melt-blown nonwoven fabric and a preparation method thereof.
本发明涉及一种多面体倍半硅氧烷（POSS）改性聚丙烯熔喷非织造布及其制备方法。
The preparation method comprises rejuvenescence of the strain.
其制备方法包括菌种复壮。
应用推荐