chemically modification的用法和樣例：
例句
- Presently the chemical modification of chitosan has been discussed extensively.
目前對殼聚糖進(jìn)行化學(xué)改性已經(jīng)成為殼聚糖開(kāi)發(fā)研究的熱點(diǎn)。 - The chemical modification techniques of natural phospholipids and characteristics of products were reviewed in this paper.
介紹了天然磷脂的化學(xué)改性方法及其改性物的性能特點(diǎn)。
