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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 Beevers–Lipson strip ： ウィキペディア英語版 Beevers–Lipson strip Beevers–Lipson strips were a computational aid for early crystallographers in calculating Fourier transforms to determine the structure of crystals from crystallographic data, enabling the creation of models for complex molecules. They were used from the 1930s〔 until computers with enough power became generally available in the 1960s. The technique was developed by C. Arnold Beevers (1908–2001), reader in crystallography at the University of Edinburgh, and Henry Lipson CBE FRS (1910–1991), Professor of Physics at the University of Manchester Institute of Science and Technology. The approach converted the sizable calculations of multi-dimensional Fourier summations needed in crystallography analysis into sums of more manageable one-dimensional values.〔 The folded card strips with numbers were typically stored in two wooden boxes, one for sines and one for cosines. Previously it was necessary to consult sine/cosine tables, a time-consuming process. The approach was used by the Nobel Prize winner Dorothy Hodgkin OM FRS (1910–1994).〔 The technique is still used in modern computer programs. ==See also== * X-ray crystallography 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「Beevers–Lipson strip」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.