fluorine-18
plural of Q1
(physics) An artificial radioisotope of fluorine, ¹⁸₉F, having 9 protons and 9 neutrons, that is an important industrial source of positrons
A change ringing method on an odd number of bells.
Act of pulling out or removing the hair; unhairing; hair removal. / Removal of hair, wool or bristles from the body.
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DiQt(ディクト)
無料
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