proterozoic protium protogenic protolysis protolytic protolytic acidity proton acceptor proton affinity protonated species proton carrier proton donor proton exchange proton-exchange process proton-exchange reaction proton mass proton microscope proton migration proton-proton chain proton radioactivity proton shell |
proterozoic геол. протерозой протерозойски Търсената дума е намерена |