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根据国标要求的反应原理和检测原理,采用SDCHN435型氮元素分析仪进行柴油车尾气处理液中尿素主含量的检测,通过探讨影响柴油车尾气处理液中尿素主含量检测偏差的因素,查找出有效降低柴油车尾气处理液中尿素主含量检测相对标准偏差的方法。
According to the reaction principle and testing principle required by the national standard, SDHCN435 nitrogen element analyzer was used to detect the main urea content in the exhaust gas of diesel vehicle exhaust. By investigating the factors influencing the deviation detection of main urea content in diesel exhaust gas treatment fluid, Methods to reduce relative standard deviation of main urea content in diesel exhaust fluid.