Objective To measure the efficacy of boric acidwood preservatives in the prevention of Coptotermes formosanus (Shiraki) and Reticulitermes speratus (Kolbe) in buildings.
目的 研究硼酸木材防护剂对危害建筑物的台湾乳白蚁和栖北散白蚁的预防效果。
2
Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched.
利用固定床反应器，以固体酸为催化剂催化桐油预酯化反应。
3
Wood preservatives. boric acid. specifications and tests.