The influences of different composition of refinedsolvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。
2
The various performances of PCMO formulated from solventrefinedoil, hydrogenated base oil and PAO were compared.
比较了溶剂精制油、加氢油和合成油所调制的轿车用发动机油（PCMO）各项性能。
3
Locks dd 117is a chlorinated viscous fluid containing neutral fats, special oily additive and solventrefined mineral oil.