photoelectric spectrophotometer photoelectric threshold photoelectric transducer photoelectric tube photo-electric valve photoelectric voltage photoelectrochemical cell photoelectromotive force photoelectron photoelement photoemission photoemissive photoemissive cell photoemissive effect photoemitter photoemulsion photo engraving photofabrication photofission photoflash |
photoelectric spectrophotometer фотоелектричен спектрометър Търсената дума е намерена |