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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 Equivalent air depth ： ウィキペディア英語版 Equivalent air depth The equivalent air depth (EAD) is a way of approximating the decompression requirements of breathing gas mixtures that contain nitrogen and oxygen in different proportions to those in air, known as nitrox. The equivalent air depth, for a given nitrox mix and depth, is the depth of a dive when breathing air that would have the same partial pressure of nitrogen. So, for example, a gas mix containing 36% oxygen (EAN36) being used at has an EAD of . ==Calculations in metres== The equivalent air depth can be calculated for depths in metres as follows: :EAD = (Depth + 10) × Fraction of N2 / 0.79 − 10 Working the earlier example, for a nitrox mix containing 64% nitrogen (EAN36) being used at 27 metres, the EAD is: :EAD = (27 + 10) × 0.64 / 0.79 − 10 :EAD = 37 × 0.81 − 10 :EAD = 30 − 10 :EAD = 20 metres So at 27 metres on this mix, the diver would calculate their decompression requirements as if on air at 20 metres. 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「Equivalent air depth」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.