chemical modificatiop

• 化学改性

chemical modificatiop的用法和样例：

例句

1. Presently the chemical modification of chitosan has been discussed extensively.
   目前对壳聚糖进行化学改性已经成为壳聚糖开发研究的热点。
2. The technology of chemical and biological modification about phosphatide were introduced in detail.
   介绍了磷脂化学改性与生物改性技术。