● Title Title通常为名词性词组、短语。一般可分为以下几类: 一,以研究内容命名 SYSTHESIS OF 2-0-PROTECTED GLYCEROL DERIVATIVES Ring-Opening Polymerization of Cyclic Carbonates by Alcohol-Acid Catalyst 二以研究对象命名 A New, Crystalline High Melting Bis(hydroxymethyl)polycarbonate and Its Acetone Ketal for Biomaterial Applications Microdomain structure in polylactide-block-poly(ethylene oxide) copolymer films 三以研究内容、研究对象综合命名 Poly(ethylene carbonate)s, part I: Syntheses and structural effects in biodegradation Hydrolytic degradation of tyrosine-derived polycarbonates, a class of new biomaterials. Part I: Study of model compounds