在环保观念日益深入人心的今天 ,汽车尾气给人类生存环境造成严重的污染 ,已经成为世界各国关心的热点问题。而解决汽车尾气污染的三效催化技术 ,也成为 2 0世纪公认的高新技术之一。昆明贵金属研究所自 70年代以来特别是“九五”期间研究开发成功的“贵金属 -稀土 -过渡金属废 With the concept of environmental protection becoming more and more popular today, automobile exhaust has caused serious pollution to the living environment of human beings, and it has become a hot issue of concern to all countries in the world. The three-way catalytic technology that solves the pollution of automobile exhaust has become one of the recognized high technologies in the 20th century. Kunming Institute of Precious Metals since the 1970s, especially during the “Ninth Five-Year Plan” period, research and development of "precious metals - rare earths - transition metal waste