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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Barrer ： ウィキペディア英語版 Barrer Barrer is a non-SI unit of gas permeability (specifically, oxygen permeability) used in the contact lens industry. It is a bulk property. It is named after Richard Barrer. ==Definition== 1 Barrer = 10−11 (cm3 O2 ) cm cm−2 s−1 mmHg−1. or 1 Barrer = 10−10 (cm3 O2 ) cm cm−2 s−1 cmHg−1. Here 'cm3 O2' represents a molar quantity of oxygen rather than a true volume. It represents the quantity of oxygen that ''would'' take up one cubic centimeter at standard temperature and pressure, as calculated via the ideal gas law. The 'cm' represents the thickness of the material whose permeability is being evaluated, and cm−2 is the reciprocal of the surface area of that material. 1 Barrer = 846 millilitre . mm / (cm2 . day. bar(a)) 1 Barrer = 3.348 x 10−19 kmol m / (m2 s Pa) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Barrer」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.