与"negative ion beam"相近的词条

...

• negative intermittent pressure ventilation
• negative intrapleural pressure
• negative ion
• negative ion acceleration
• negative ion accelerator
• negative ion beam
• negative ion cyclotron
• negative-ion densitometer
• negative ion generator
• negative ion laser
• negative-ion mass spectrum
• negative ionic drugs
• negative kappa angle
• negative lens
• negative log of hydrogen ion
• negative log of hydrogen ion concentration

...