英语翻译
quaternary carbon atom
quatenary carbon atom
拓展翻译
假原子
pseudoatom
介原子
mesic atom
介子原子
mesonic atom
季
season
season
qtr
季铵化反应
quaterisation
季铵化合物
quaternary ammonium compound
quaternary ammoniun compounds
季铵化作用
Menschutkin reaction; quaternarization
季铵硷
quaternary ammonium bases
季铵碱
quaternary ammonium base; quaternary ammonium hydrate; quaternary ammonium hydroxide
季铵卤化物
quaternary ammonium halide
季铵氯化物
Aliquat
季铵盐
quaternary ammonium salt
季铵盐类
quaternaries
季铵盐阳离子表面活性剂
quaternary cationics
季胺
quaternary amine
季报
quarterly reports
季的
quaternary
quaternary
季度
quarter; quarter of a year
quarter
季度的第一天
quarter day; quarterage day
季度付出款
quarterly disbursements