A .214nm
B .224nm
C .234nm
D .254nm
E .275nm
[单选题]采用紫外线灭菌时,其杀菌力最强的紫外线波长是()。A.365nmB.265nmC.254nmD.250nmE.286nm
[单选题]采用紫外线灭菌时,其杀菌力最强的紫外线波长是A.365nmB.250nmC.254nmD.265nmE.286nm
[单选题]采用紫外线灭菌时,其杀菌力最强的紫外线波长是A.365nmB.265nmC.254nmD.250nmE.286nm
[单选题]采用紫外线灭菌时。其杀菌力最强的紫外线波长是A.365nmB.265nmC.254nmD.250nmE.286nm
[单选题]采用紫外线灭菌时。其杀菌力最强的紫外线波长是A.365nmB.265nmC.254nmD.250nmE.286nm
[单选题]紫外线灭菌法杀菌力最强的波长为A.220~230nmB.240~250nmC.254~257nmD.258~265nmE.365~370nm
[单选题,A1型题] 紫外线灭菌法杀菌力最强的波长为()A . 220~230nmB . 240~250nmC . 254~257nmD . 258~265nmE . 365~370nm
[单选题]紫外线灭菌法杀菌力最强的波长为A.258~265nmB.365~370nmC.220~230nmD.240~250nmE.254~257nm
[单选题]紫外线灭菌法杀菌力最强的波长为()A.220~230nmB.240~250nmC.254~257nmD.258~265nmE.365~370nm
[单选题]紫外线杀菌作用最强的波长是A.250nmB.260nmC.270nmD.320nmE.350nm