单词 | atomic beam |
释义 | > as lemmasatomic beam atomic beam n. Physics a beam of individual atoms, esp. one that is collimated. ΘΚΠ the world > matter > physics > atomic physics > [noun] > beam formed by gas atoms atomic beam1922 1922 Proc. Royal Soc. A. 101 119 At still lower pressures the cathode beam faded into invisibility, although the atomic beam could still be traced. 1977 Sci. Amer. Feb. 91/3 The separation is accomplished by passing the atomic beam through an inhomogeneous electric or magnetic field, which deflects those atoms that are more readily polarized. 2003 Philos. Trans. (Royal Soc.) A. 361 1670 An atom laser is to an incoherent atomic beam what an optical laser is to a light bulb. < as lemmas |
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