Toyohashi University of Technology

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    How to pronounce “ 南無阿弥陀仏”

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    P(論文)departmental bulletin pape

    奥付(雲雀野 第36号)

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    othe

    Synthesis and properties of Al-free Li7-xLa3Zr2-xTaxO12 garnet related oxides

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    We investigated the properties of Al-free garnet related Li7La3Zr2O12 (LLZ) and Li7-xLa3Zr2-xTaxO12 (LLZTa) with Ta content x = 0.25, 0.5 and 1.0 synthesized by a solid state reaction method. It was confirmed that all Al-free LLZTa have the cubic garnet related structure, while Al-free LLZ without Ta substitution has tetragonal one. No other secondary phases were observed in all sintered samples. This indicates that partial substitution of Zr4+ by Ta5+ with higher valence increases Li-ion vacancy concentration in a garnet framework and stabilizes cubic garnet structure. The LLZTa grains are in good contact with each other although a certain amount of pores in the boundary area can be observed. Total (bulk + grain boundary) Li-ion conductivity at 27°C for all Al-free LLZTa were well above 10-4 Scm-1, while Al-free LLZ showed much lower room temperature conductivity of 1 × 10-5 Scm-1. The highest room temperature conductivity of 6.1 × 10-4 Scm-1 was obtained in Al-free LLZTa with x = 0.5, which is approximately 30−40% lower than the value in LLZTa (x = 0.5) with Al inclusion as previously reported.conference pape

    In-situ Measurement and Formability Improvement in Stamping of High Strength Steel and Titanium Alloy Sheets

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    豊橋技術科学大学博士(工学)doctoral thesi

    ブラスト研磨法による超硬合金の研磨機構に関する研究

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    豊橋技術科学大学博士(工学)doctoral thesi

    “ZOKUSETSU-SEIGO SHOKA-HITSUYOUKI” -a Reprint and an explanation 1

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    P(論文)Written by Sadatoshi Tateishi in Horeki 6( 1756), “SHOKA-HITSUYOUKI” is a book about the origin and mental attitude of a carpenter. As can be seen from the “ZOKUSETSU-SEIGO (correction of the popular beliefs)” of the subtitle, part of the contents are concerned with explaining and then refuting what was believed by the public in those days. For example, although everyone believe that Shotoku-taishi is a carpenter’s originator, he is not so, because a temple was built before his birth. Although there are many books by carpenter publisheds from the Edo to Meiji periods, it is one of a few books which deal with more than simply technique.  “SUHARAYA-MOHEE”, the greatest publisher of that time published this book, in the “Sensyobo” style. It is left in every place even now, and it is supposed that it was read by many carpenters.  In this paper, we will reprint a text – commentary on “SHOKA-HITUYOUKI”. Deciphering this book will tell us what, carpenters of the time prized other than skill acquisition.departmental bulletin pape

    Molecular design of chiral polymeric organocatalysts and their applications in asymmetric catalysis

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    豊橋技術科学大学博士(工学)doctoral thesi

    無線秘密鍵生成共有方式の秘匿性を高める可変指向性アンテナの研究

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    豊橋技術科学大学博士(工学)doctoral thesi

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