CAJ | 학술논문

通过对GB 19147-2013《车用柴油（Ⅳ）》标准的解读，分析了新、旧标准在内容、技术要求和试验方法等方面上的差异。新标准增加了酸度检验项目，修改了脂肪酸甲酯（体积分数）和硫含量（质量分数）指标，为满足国家第Ⅳ阶段机动车污染物的排放要求在技术指标要求上提供了保证。
통과대GB 19147-2013《차용시유（Ⅳ）》표준적해독，분석료신、구표준재내용、기술요구화시험방법등방면상적차이。신표준증가료산도검험항목，수개료지방산갑지（체적분수）화류함량（질량분수）지표，위만족국가제Ⅳ계단궤동차오염물적배방요구재기술지표요구상제공료보증。
Through the interpretation of GB19147-2013:Automobile diesel fuels, the paper analyzes the differences of contents, technical requirements and test methods between the new and the old standards . The new inspection item of acidity is added and the fatty acid methyl esters (in terms of volume fraction) and sulfur content (in terms of mass fraction) are revised. All these revisions guarantee the satisfaction of the fourth stage national emission requirements of vehicle pollutants in terms of technical index.