| 单词 | iodin |
| 释义 | iodin (once / 79861 pages) n WORD FAMILY iodin USAGE EXAMPLESA generation ago applications of iodin to the goiter were reported to have good effects. Walsh, James J. (James Joseph), Psychotherapy(2011) When dry it may be covered with a coating of collodion or tar, each containing 1 per cent of iodin. United States. Bureau of Animal Industry, Special Report on Diseases of Cattl...(2010) A solution of iodin becomes stronger if it is allowed to stand open to the air. Ritchie, John W. (John Woodside), Common Science(2010) n a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks) Syn|Hypo|Hyper I, atomic number 53, iodine iodine-131 heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter iodine-125light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter halogenany of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions |
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