英语词汇“langley”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

langley

释义

langley Meteorol.|ˈlæŋlɪ|
[f. the name of Samuel P. Langley (1834–1906), U.S. astronomer. Orig. proposed (in G.) by F. Linke 1942, in Handbuch d. Geophysik VIII. 30, as a unit of solar energy flux, equal to one gramme-calorie per sq. cm. per minute.]
A unit of solar energy per unit area, equal to one gramme-calorie per square centimetre (approximately 41,900 joules per square metre).
1947Nature 6 Sept. 327/1 It is herewith proposed that the ‘langley’ be defined as the gm. cal./cm.², where ‘gm. cal.’ denotes the 15°C. gm. cal. It is also proposed that the written abbreviation of ‘langley’ be ‘ly’.1954J. C. Johnson Physical Meteorol. iv. 108 σ = ..8·22 × 10^-11 langley minute^-1. σ is called the Stefan-Boltzmann constant.1970Day & Sternes Climate & Weather v. 145 The solar constant..is alternatively expressed as nearly 2·0 langleys per minute.1974Nature 15 Nov. 217/1 For the point of equilibrium I take 17 langley per day (1 langley = 1 calorie cm^-2) above the 1950 value of 847 langley per day.

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