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单词 chelation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
che•la•tion  (kē lā′shən),USA pronunciation n. 
  1. Chemistrythe process of chelating.
  2. Medicine, Chemistry
    • a method of removing certain heavy metals from the bloodstream, used esp. in treating lead or mercury poisoning.
    • a controversial treatment for arteriosclerosis that attempts to remove calcium deposits from the inner walls of the coronary arteries.
  • chelate + -ion 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::
chelation /ˈkiːleɪʃən/ n
  1. the process by which a chelate is formed
  2. the process by which trace elements in an animal's feed are bonded to amino acids, ensuring their absorption into the animal's body
  3. the chemical removal of metallic ions in a mineral or rock by weathering
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更新时间：2024/9/21 17:35:14