promethium

promethium

美 [prə'mi:θiəm]  英 [prə'mi:θiəm]

  • n.钷(放射性化学元素)
  • 网络鉕;钜;烯土类元素

英汉双解

n.
1.
钷(放射性化学元素)a chemical element. Promethium is a radioactive metal that was first produced artificially in a nuclear reactor and is found in small amounts in nature.

英汉解释

n.
1.
【化】钷

英英解释

n.

例句

Study of Preparation Process for Crystalline Promethium- neodymium Carbonate

碳酸沉淀制备工艺研究

Technetium (atomic 43), promethium (atomic 61), Polonium (atomic 84)and all elements with an atomic number greater than 84;

原子序数43)、原子序数61)、原子序数84)原子序数大于84所有化学元素