| 单词 | attomole |
| 释义 | > as lemmasattomole Prefixed to the name of a unit of measurement to denote a factor of 10−18, as attomole, atto-second, etc. Symbol a. ΚΠ 1961 Symbols, Units & Nomencl. Physics (I.U.P.A.P.) 5 The following prefixes should be used to indicate decimal fractions or multiples of a unit..femto..f..atto..a. 1963 Nature 16 Mar. 1056/1 The International Committee [on Weights and Measures] also adopted two new prefixes for denoting sub-multiples of units. They are: femto, 10−15, symbol ‘f’, and atto, 10−18, symbol ‘a’. 1976 Nucl. Physics A. 259 13 The suitability of this technique for measuring lifetimes of nuclear bound states in the attosecond range is discussed. 1977 Lancet 1 Jan. 40/2 We can detect attomole amounts of antigens. 2001 New Scientist 24 Mar. 14/1 An attonewton is to the weight of a feather as the weight of a feather is to the weight of the Hoover dam. 2002 Nature 19/ 26 Dec. 737/1 An electron orbits a hydrogen atom in just 24 attoseconds. < as lemmas |
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