直接聚合 meaning in English

direct polymerization

It is mainly synthesized by two chemical ways : ring - opening polymerization and direct polycondensation
合成聚苹果酸的化学方法主要有开环聚合法与直接聚合法。
The preparation methods , reaction mechanism and properties of poly ( malic acid ) synthesized by direct polycondensation are reviewed , and the prospects in this field are also introduced
作者综述了直接聚合法合成聚苹果酸的方法、反应机理及性质，并展望了直接聚合法合成聚苹果酸的前景。