四个制备科学重点项目通过评议材料的制备科学问题是材料科学与工程发展的重要组成部分，特别对于新型材料，如何通过制备过程的基础性研究来获得有害缺陷少、可靠性强、性能好、价格便宜的材料，是当前国际上十分关注的问题．为了引起我国材料研究科学家对材料制备的研究... Four Preparation Science Key Project Approved Preparation of Materials Scientific problems are an important part of material science and engineering development. Especially for new materials, how to get fewer harmful defects, high reliability and good performance through basic research of preparation process, Cheap materials, is the current international concern. In order to arouse our country material research scientist to the material preparation research ...