论文部分内容阅读
环境保护是我国的一项基本国策。化学与环境关系极为密切,化学实验过程中的环境保护问题日益突出。在大中专、职业院校的化验专业中分析化学实验是训练学生动手能力的主要课程之一,每天都有大批学生在做各种化学实验,虽然每次排放污染物的量不大,但由于日复一日、年复一年地进行,累积的污染不
Environmental protection is a basic national policy of our country. The relationship between chemistry and environment is very close, and the problems of environmental protection in chemical experiment are becoming more and more prominent. In colleges and technical secondary schools, professional laboratory chemistry laboratory experiment is to train students ability to practice one of the main courses every day a large number of students in a variety of chemical experiments, although the amount of pollutants emitted each time is not large, but As day after day, year after year, the cumulative pollution does not