“barn”的概念、定义、翻译、参考文献-科学参考

单词	barn
释义	barn Physics A unit of area sometimes used to measure cross sections in nuclear interactions involving incident particles. It is equal to 10⁻²⁸ square metre. The name comes from the phrase ‘side of a barn’ (something easy to hit). Chemical Engineering The unit of area defined as 10⁻²⁸ m². It is used to express the effective nuclear cross section of atoms or nuclei in the scattering or absorption of particles.
随便看	Falange, the falcon Falconbridge process Falkirk, Battles of Falklands War (2 April–14 June 1982) fall fallacy fall back fallback fall forward fallibilism falling dune falling film evaporator falling head permeameter falling-rate drying falling stage systems tract falling star fallopian tube fall-out fallout fall over fallowing falls fall-stripes fall time

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