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
Locks dd 117is a chlorinated viscous fluid containing neutral fats, special oily additive and solventrefined mineral oil.
洛斯dd 117是经氯化了的黏稠溶剂精炼矿物油,并含有中性脂肪和特殊油性添加剂。
3
The total flavones ofHippophae were refined by solvent extracting after refined by macroreticular resins in order to attain more pure product.