| 释义 |
Examples:mega electron volt MeV (unit of energy equal 1.6 x 10-13 Joules)—Planck's constant h, approximately equal 6.626 x 10^-34 Joule.seconds or 4.135 x 10^-15 Electron volt.seconds—electron volt (unit of energy used in particle physics, approximately 10^-19 Joules)—flyback (of electron beam in cathode ray tube)—electron shell (in the atom)—electron (particle physics)—giga electron volt GeV (unit of energy equal 1.6 x 10-10 Joules)—electron shell number (chemistry)—positron (antiparticle of the electron)—beta particle (electron, esp. high speed electron emitted by radioactive nucleus)—beta ray (electron stream from radioactive decay)— |