环境污染,主要是指由于人类活动造成的环境条件的恶化,是近年来普遍重视的问题。随着地球污染情况日趋严重,人们对污染测量和控制方面的要求愈来愈迫切。污染监控仪器是测量技术中比较新的领域,但其发展却如异军突起,连年不断有新技术、新装置问世。特别是与人们生活密切相关的空气和水质方面的监控技术,其发展更为迅速。传统的技术,如从空气中取样,然后进行污染成份 Environmental pollution, mainly refers to the worsening of environmental conditions caused by human activities, is a problem that has been generally emphasized in recent years. With the worsening of the pollution on the earth, the people’s requirements for pollution measurement and control are more and more urgent. Pollution monitoring equipment is a relatively new field of measurement technology, but its development is like a sudden emergence of the military, year after year with new technologies and new devices come out. Especially the air and water quality monitoring technologies that are closely related to people’s lives are developing rapidly. Traditional techniques, such as sampling from the air, then polluting the ingredients