单词	cyclotron
释义	cyclotron /ˈsʌɪklətrɒn / noun Physics An apparatus in which charged atomic and subatomic particles are accelerated by an alternating electric field while following an outward spiral or circular path in a magnetic field.Perhaps the most important improvement has been the replacement of an electrical magnet with a series of permanent magnets to generate the cyclotron's magnetic field.... Lawrence used his cyclotron to accelerate deuterons that were then crashed into sodium, producing a therapeutically useful radioisotope of sodium. The antiproton was produced when protons from a cyclotron were used to bombard a copper target.
随便看	the man in black the man in (or on) the street the man in the moon the man in white the man on the Clapham omnibus the Mansion House the Maquis the Marches the Marianas the Maritimes the Marshalls the Marshalsea the Mascarenes thematic thematically Thematic Apperception Test thematic catalogue thematic role thematise thematization thematize digitalization digitalize digital locker digital logic

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