基本解释

• [化学]稀有碱土金属

英汉例句

双语例句

• Adding some rare-earth metal to the positive material of alkaline Zn-MnO2 batteries was studied.
  研究了在负极中添加氧化镨、氧化铈，对碱性锌锰电池性能的影响。
• However, under the same conditions, other common alkali- alkaline earth-, transition-and rare earth metal ions induced no or very little color change.
  同样条件下加入其他常见碱金属、碱土金属、过渡金属离子，却不能引起该传感器溶液颜色的变化。
• A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator.
  一种光致发光材料，其包含掺杂有至少一种稀土元素活化剂的卤素取 代的碱土金属铝酸盐的组合物。
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专业释义

化学

• 稀有碱土金属