In order to compare the efficacy of the disinfectant solution containing benzyl-di-( 2-hydroxyethyl) dodecyl ammonium chloride, the germicidal ingredient, in kil-ling microorganisms in suspension and on cloth strip, suspension and carrier quantitative germicidal tests were carried out. 为比较杀菌成分为苄基-双-(2-羟乙基)十二烷基氯化铵消毒液对悬液中与布片上微生物的杀灭效果,进行了悬液与载体定量杀菌试验。