used catalyst meaning in Chinese

用过的催化剂

4 . flaw becausethe diesel fuel a generator using includes metal substance , its vaporization temparature is what we can not use catalyst to handle the problem . it will need to make a replacement every 5 8years
4 .缺点：发电机因使用中柴油内含金属物质，其汽化温度为触媒无法处理，经常时间约需作更换(约58年) 。
Using catalysts to purify automotive exhaust gas has more and more been regarded by human society . it is generally accepted that the most important factor in the catalyst is the oxygen storage materials , which have a direct relation to the puring performance
采用催化净化技术来治理汽车排放污染正越来越受到人们的广泛关注，而其中储氧材料性能的优劣直接关系到汽车尾气净化催化剂的净化效果。
By using catalyst a , the catalytic splitting decomposition of waste rubber tyre was developed . the splitting gas , gasoline , diesel oil , heavy oil and carbon black were obtained by this process . by inspecting , the qualities of the products all accorded with the using demands
一种先进的废旧橡胶轮胎催化裂解处理技术被开发，通过反应器的废橡胶轮胎颗粒被催化裂解为裂化气、汽油馏分、柴油馏分和重油馏分，残余的固体可加工为炭黑，各种产品经检测，其理化指标及使用性能均达到用户要求。