There are also some differences in color, white, yellow, brown three colors of poly aluminum chloride, here to show the difference between three kinds of different color use.
颜色也有些差别，一般有白色、黄色、黄褐色这三种颜色的聚氯化铝，下面来说明下三种不同颜色用途的区别。
2
As a new type of biopolymers, poly (malic acid) and its derivatives also possess some unique properties.
聚苹果酸及其衍生物作为一类新型的生物高分子同样具有一些独特的性质。
3
Some dozens of high temperature resistant fibers have been applied now, and some new styles such as poly (ether sulfone) (PES) fiber is in testing.