《上海化工》自1990年6月改版以来,已经有三年多了。在化工部和市化工局领导的关怀和支持下,得到各企业、研究和设计院所、各局属学校的领导大力协助和广大读者的爱护,使我们在摸索如何让这本刊物更好地为读者服务方面较过去有了进步,获得了“1990～1991年度上海市优秀科技期刊”称号,扩大了影响。编辑部特向各界支持本刊的领导及关心本刊成长的同志们致以诚挚的感谢！ “Shanghai Chemical Industry” has been revised since June 1990, more than three years ago. With the care and support of the leaders of the Chemical Industry Department and the Municipal Bureau of Chemical Industry, all enterprises, research institutes and research institutes, and the leadership of schools in schools are greatly assisted by the readers and the readers, so that we are exploring how to make this publication a better The service of readers has made more progress than in the past and won the title of “Shanghai Excellent Sci-tech Journal from 1990 to 1991”, expanding its influence. The editorial department especially extended sincere thanks to all walks of life for supporting the leadership of this magazine and the comrades concerned about the growth of this magazine.