季铵化合物 meaning in English

chemene
quaternary ammonium cation
quaternary ammonium compounds
quaternary ammoniun compounds

Method for laboratory evaluation of disinfectant activity of quaternary ammonium compounds by suspension test procedure
季铵化合物消毒作用的悬浮液试验规程的实验室评定方法
Durability of wood and wood - based products - quantitative determination of quaternary ammonium compounds in wood ; english version cen tr 15314 : 2006
木材和木材产品耐久性.木材中季铵化合物的定量测定.英