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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 Beam spoiler ： ウィキペディア英語版 Beam spoiler A beam spoiler is a piece of material, placed into the path of the photon beam in radiotherapy. The purpose of the spoiler is to reduce the depth of the maximum radiation dosage.〔Bentel, G.C. (1996) ''Radiation therapy planning'' (p.103. ) McGraw-Hill Professional ISBN 0-07-005115-1 Retrieved September 2011.〕 == Composition == The beam spoiler is composed of a sheet of material which has a low atomic number,〔Specht, L., Yahalom, J. (2010) ''Radiotherapy for Hodgkin Lymphoma'' (p.125. ) Springer. ISBN 3-540-78455-1 Retrieved September 2011〕 typically lucite, the thickness of which is varied according to the beam energy and the distance by which the radiation dose must be shifted.〔 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「Beam spoiler」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.