·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
youdao
应用推荐
模块上移
模块下移
不移动