History of chemical Industry

The construction of " U.S. Nitrate plant No. 2 " is an interesting chapter in the history of the American chemical industry .

第二美国硝酸盐厂的建设，在美国化学工业历史上是有兴趣的一章。

Chinese modern history of the development of chemical industry , in fact , is the " chemical " and the history of struggle .

中国近代化学工业的发展史，其实就是化工人的奋斗史。