目的探讨修复楔形缺损较好的材料和方法。方法在同一个体或不同个体上，选择条件相同的楔形缺损患牙，分别应用玻璃离子、单纯复合树脂......

1IntroductionIn recent years, self-assembly of block copolymers leading to micelles in selective solvents, which dissolv......

1IntroductionPolymer electrolyte fuel cells (PEFCs) have been spotlighted because they are clean and highly efficient po......