Oita Prefectural College of Arts and Culture Repository / 大分県立芸術文化短期大学リポジトリ
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THE KEYBOAD INSTRUMENTS OF THE 16TH, 17TH, AND 18TH CENTURIES
Full text linkP(論文)Some knowledge of the keyboad instruments of the 16th, 17th, and 18th centuries would be a help to understanding of the music of that period. The principal facts about technical capabilities, individual colours of tone and their combinations, and, above all, an account of the practical differens between the old instruments and their modern representatives, can be given in a concise form and may prove very useful, considering the scanty amount of reliable information available on these subjects
A Study on the Reversibility existing in the Hydrophobic-Bond of Protein
Full text linkP(論文)Protein has a hydrophobic surface within its molecule, therefor the protein molecule dissolved in water is always being pressed by water; that is the Hydrophobic-Bond of Protein. The molecular structure of native protein naturally unfastens and comes loose in water, physically and chemically, and becomes consequently to an equilibrium with water. And in this degeneration process, there are an irreversible factor that is entropic, and a reversible one that is simply based on the thermal movements both of water and of protein molecule. In this study, by measuring the viscosity of thick gelatin solution, it was proved approximately that the protein molecule, which is nearly become to the state of equilibrium with the free energy of water by its internal thermal movement, can be reversed by means of thermal or electric effect
