汽车尾气检测用气体标准物质的研制(上)

摘要

In rencent years,the automobile emission gas had casued serious environmental polltion in China’s cities. This study research gas standard material for automobile emission gas analyzer, insure the accuracy and reliability of the metering performance of such monitoring instruments.%近年来,我国城市环境污染中,汽车排放的尾气给大气造成的污染已经相当严重.本课题研究汽车排放监测用气体标准物质CO-CO2-NO-C3H8-N2用于汽车尾气监测仪校准用,以确保这类监测仪器计量性能的准确可靠.