| 单词 | international unit |
| 释义 | > as lemmasinternational unit international unit n. (a) any of various physical or monetary units agreed upon internationally; spec. (in later use) one forming part of the International System; cf. sense A. 6; (b) Biology and Pharmacology a unit of drug, enzyme, or other biologically active substance as defined by an international body and accepted by international agreement; see unit n. 10c. ΘΚΠ the world > life > biology > laboratory analysis > measure > [noun] > unit international unit1857 microunit1900 morgan1919 megaunit1920 S1942 Svedberg unit1942 quantum1952 Somogyi unit1956 cistron1957 1857International unit [see sense A. 6]. 1921 Lancet 24 Dec. 1339/1 Fix for both these sera an antitoxin unit which could be generally accepted and acknowledged as an International Unit. 1934 Brit. Inst. Radiol. Year Bk. 39 The International Unit of X-radiation shall be called the ‘Röntgen’. 1970 Daily Tel. 12 Oct. 3/2 The Medical Research Council now requires that all influenza vaccines should contain 600 of the new international units of virus to each human dose. 2011 W. Lewin For Love of Physics ix. 174 The international unit by which energy is measured, the joule, was named after him. 2013 A. M. Karch 2013 Lippincott's Nursing Drug Guide 334/2 Unstable angina: 120 international units/kg subcutaneously every 12 hr with aspirin therapy for 5-8 days. < as lemmas |
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