Aquamarine: Remind one of the Ocean of Love and Mercy.绿玉: 唤醒大海般的爱和仁慈之一.Beads made of aquamarine can bring luck in love.海蓝宝石制成的珠子能带来爱情的好运.The smaller room at the rear, is two - tone aquamarine.后方的小会议室则选用了双色调的海蓝宝....
聚羟基乙酸的经典制备方法主要有两种:直接缩合聚合法和乙交酯开环聚合法.There are two means available for the preparation of PGA - synthesis polymerization and ring - opening polymerization....