ionium

听听怎么读
英 [aɪ'əʊnɪəm]
美 [aɪ'oʊnɪrm]
是什么意思
  • n.

    嗳,钍(一种化学元素);

  • 学习怎么用

    权威例句

    ionium
    Ionium dating of igneous rocks
    Ionium Determination in Deep-Sea Sediments
    Ratio of Ionium to Uranium in Coral Limestone
    Analysis of Ore Residues for Ionium and Protactinium1
    Radiochemical Determination of Ionium in Uranium Fluorination Ash
    Geochronological studies of deep sea sediments by the ionium/thorium method
    The transport and deposition of uranium, ionium and radium in rivers, oceans and ocean sediments ☆
    Comparison of sedimentation rates measured by paleomagnetic and the ionium methods of age determination
    Studies of the Solvent Extraction Behavior of the Transition Elements. II. Isolation of Gram Quantities of Th230 (Ionium) from a Pit...