existent gum [油气] 实际胶质
existent gum test 实际胶质测定
astm existent gum test 实际胶质试验
existent gum of petroleum products 石油产品实际胶质
The major influencing factors of blending coker naphtha for 90 RON unleaded gasoline are its distillation range, octane number, existent gum and mercaptan content.
影响焦化汽油调合生产90 号无铅汽油质量的主要因素是焦化汽油的馏程、辛烷值、实际胶质和硫醇硫的含量。
At the same time, it is found that the stored time can hardly effect on the RFCC diesel oil disposed by FS agent in chromaticity, existent gum and oxidized total insolubles.
同时，发现储存时间对FS剂处理后的油品的色度、实际胶质和抗氧化沉渣基本无影响。
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