promethium

听听怎么读
英 [prəˈmi:θiəm]
美 [prə'miθɪrm]
是什么意思
  • n.

    钷(元素符号为:Pm);

  • 英英释义

    promethium[ prəu'mi:θiəm ]

    • n.a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium

      同义词:Pmatomic number 61

    学习怎么用

    权威例句

    Promethium
    Promethium
    Promethium
    Technetium and promethium
    Construction of a promethium-147 atomic battery
    Stellar Neutron Capture on Promethium: Implications for the s-Process Neutron Density
    Nuclear Spins of Neutron-deficient Promethium, Samarium, Europium and Gadolinium Isotopes
    Sparkle/AM1 Parameters for the Modeling of Samarium(III) and Promethium(III) Complexes
    Synergistic extraction of neodymium and carrier-free promethium by the mixture of HDEHP and PC88A
    The response of murine intestinal crypts to short-range promethium-147 beta irradiation: deductions concerning clonogenic cell numbe...
    Radiochemical Separation of Fission Products from Large Volumes of Sea Water. Strontium, Cesium, Cerium, and Promethium
    Atomic energy levels: The rare earth elements (the spectra of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, euro...
    Crystal growth method of oxide, cerium oxide, promethium oxide, multi-layered structure of oxides, manufacturing method of field eff...