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试验表明，由污染的复合季铵盐消毒液中分离出来的洋葱假单胞菌，原消毒剂对其最低抑菌浓度（＞８０００ｍｇ／Ｌ），高于对枯草杆菌黑色变种芽胞者（８００ｍｇ／Ｌ季铵盐）。在杀菌试验中，该菌的抗力亦远高于大肠杆菌与金黄色葡萄球菌
The results showed that the minimum inhibitory concentrations (> 8000 mg / L) of the Pseudomonas cepacia and the original disinfectant isolated from the contaminated composite quaternary ammonium disinfectant were higher than those of the Bacillus subtilis black mutant spores (800 mg / L quaternary ammonium salt). In the bactericidal test, the resistance of the bacteria is also much higher than that of Escherichia coli and Staphylococcus aureus