Search Results 1-20 of 7332

  • Progress in Multidimensional Particle Characterization

    Frank Uwe , Uttinger Maximillian J. , Wawra Simon E. , Lübbert Christian , Peukert Wolfgang

    … <p>The properties of particle ensembles are defined by a complex multidimensional parameter space, namely particle size, shape, surface, structure, composition and their distributions. … A particular focus lies therefore on methods in the gas and the liquid phase, which provide multidimensional particle properties either directly or by a combination of one-dimensional techniques.</p> …

    KONA Powder and Particle Journal, 2022

    J-STAGE 

  • Successive destruction of charge density wave states by pressure in LaAgSb2

    Akiba Kazuto , Nishimori Hiroaki , Umeshita Nobuaki , Kobayashi Tatsuo C.

    … Shubnikov–de Haas (SdH) oscillation measurements under pressure directly showed the changes in the Fermi surface across the CDW phase boundaries. … In the normal metallic phase above P>PCDW1, we observed a single frequency of ∼48 T with a cyclotron effective mass of 0.066m0, whose cross section in the reciprocal space corresponded to only 0.22% of the first Brillouin zone. …

    Physical Review B (103), 085134, 2021-02-22

    IR 

  • Cooperative Research on Rotor Blade Optimization between JAXA-ONERA-DLR: Results of Phase I

    木村 桂大 , 杉浦 正彦 , 菅原 瑛明 , 田辺 安忠 , WILKE Gunther , BAILLY Joelle , 竹川 国之 , KIMURA Keita , SUGIURA Masahiko , SUGAWARA Hideaki , TANABE Yasutada , WILKE Gunther , BAILLY Joelle , TAKEKAWA Kuniyuki

    流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2020オンライン (2020年9月28日-30日. 日本航空宇宙学会 : 宇宙航空研究開発機構(JAXA)オンライン会議)形態: カラー図版あり資料番号: AA2030013009レポート番号: JAXA-SP-20-008

    宇宙航空研究開発機構特別資料: 流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2020オンライン論文集 = JAXA Special Publication: Proceedings of Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2020 Online (JAXA-SP-20-008), 59-67, 2021-02-08

    IR 

  • An End-to-End BLE Indoor Localization Method Using LSTM

    Kenta Urano , Kei Hiroi , Takuro Yonezawa , Nobuo Kawaguchi

    … We focus on a large-scale indoor space where there is a tough environment for wireless indoor localization due to signal instability. … Considering the difficulty of data collection in a short preparation term, the data generated by a simple signal simulation is used in the training phase, before training with a small amount of real data. … We focus on a large-scale indoor space where there is a tough environment for wireless indoor localization due to signal instability. …

    情報処理学会論文誌 62(1), 2021-01-15

    IPSJ 

  • Reduced Dimension Analysis on Combustion Dynamics Using Deep Auto-Encoder  [in Japanese]

    TANABE Mitsuaki

    … Deep auto-encoder (DAE) consist of an encoder and a decoder networks is validated to be the superposition of POD and its variant, variational auto-encoder (VAE), is found to be suited for projecting the dynamics onto a low-order phase space. … The superiority of the DAEs is explained through the flexibility in projection of the dynamic motion on a manifold in high-order space onto a low-dimensional phase space. …

    Journal of the Combustion Society of Japan 63(203), 21-29, 2021

    J-STAGE 

  • ON THE TRANSFORMATION OF TOKYO URBAN SPACE THROUGH THE CONVERSION OF FORMER RETAINER RESIDENCES INTO DAIRY FARMS IN THE EARLY MEIJI PERIOD::A case study of dairy farms in Iidamachi and Bancho  [in Japanese]

    KANAYA Masataka

    … By studying patterns on the acquisition of land and management of dairies, then analyzing the space of dairy farms run in the former samurai district, which was drawn in the copperplat prints, we clarify the transformation of Tokyo urban space in the early Meiji period. … In what concerns the management of the new industry, two phase can be identified.</p><p> First phase, from 1872. …

    Journal of Architecture and Planning (Transactions of AIJ) 86(781), 1189-1196, 2021

    J-STAGE 

  • Nucleation-Controlled Phase Selection in Rapid Solidification from Undercooled Melt of DyMnO<sub>3</sub>  [in Japanese]

    Hayasaka You , Kuribayashi Kazuhiko , Shiratori Suguru , Ozawa Shumpei

    … investigated whether this two-phases structure was the result that the hexagonal phase formed as a metastable phase is frozen to room temperature or the result that the solid state phase transformation of the hexagonal ⇄ orthorhombic occurred at the cooling stage.</p><p>The surface morphology of the samples, the nucleation of which were triggered by contacting with the Mo wire at given temperatures, indicates that hexagonal and orthorhombic phases are stable at high and low temperatures, …

    Journal of the Japan Institute of Metals and Materials 85(4), 155-161, 2021

    J-STAGE 

  • Towards the realization of the Space Solar Power Satellite Systems  [in Japanese]

    SASAKI Kenji , IJICHI Koichi , MACHIDA Hirotaka , KASHIMURA Osamu

    <p> (一財)宇宙システム開発利用推進機構は経済産業省の下で,1993年よりSSPSの実現に向けての活動を開始し,現在2007年度に制定されたロードマップに従い,2050年の実用SSPSの実現を目指しての開発を進めている.現在は2024年からの宇宙実証フェーズ開始に向けて発送電一体パネルの開発,送電部の高効率化並びに長距離送電の実証の作業を実施している.本講演においてはその開発の開始 …

    Space Solar Power Systems 6(0), 22-25, 2021

    J-STAGE 

  • A Study on Satellite Mountability of Multiple Folding Array Antennas and Radiation Characteristics after Deployment  [in Japanese]

    HOSAKA Daiki , TAKANO Tadashi , SAEGUSA Kenji

    <p> 多重折り畳みアレーアンテナは, 多くのパネルを普通のヒンジで収納・展開でき, かつ2次元展開への発展が容易であるという利点がある. 反面, アンテナを展開した場合, パネル間に段差を生じるのでアンテナとしての性能が損なわれる. パネル段差をアンテナ正面方向で位相的に補正するが, 正面方向からずれた方向では補正しきれない. 本論文では, 実際の衛星に搭載することを想定して, 2次 …

    Space Solar Power Systems 6(0), 30-33, 2021

    J-STAGE 

  • Mesoporous Alumina-Titania Composites with Enhanced Molybdenum Adsorption towards Medical Radioisotope Production

    Benu Didi Prasetyo , Ariga Katsuhiko , Kaneti Yusuf Valentino , Yamauchi Yusuke , Earnshaw Jacob , Ashok Aditya , Tsuchiya Kunihiko , Saptiama Indra , Yuliarto Brian , Suendo Veinardi , Mukti Rino Rakhmata , Fukumitsu Nobuyoshi

    … becomes the dominant phase, suggesting the extensive coverage of the Al<sub>2</sub>O<sub>3</sub> …

    Bulletin of the Chemical Society of Japan 94(2), 502-507, 2021

    J-STAGE 

  • Complementary-Integrated Approach to Model-Based and Data-Driven Prognostics and Fault Diagnosis for Reusable Rocket Engine Systems

    HIRABAYASHI Miki , SATOH Daiwa , TSUTSUMI Seiji , KAWATSU Kaname , SATO Masaki , HASHIMOTO Tomoyuki , KIMURA Toshiya

    … Toward reliable operation of a reusable rocket, a novel health monitoring method using the phase plane trajectory of feature extracted sensor data by principal component analysis (PCA) is verified. … Results indicate that presented phase plane trajectory method has good visibility to make the change clear and make it easy to detect and identify failures. …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 19(2), 160-169, 2021

    J-STAGE 

  • Evolving Separation Techniques with Ion-Exchange Membranes

    Igawa Manabu

    … Membrane separation technology is effective for energy saving, space saving, and consecutiveness, and meets the demand of the times. … Amphoteric electrolytes, amino acids, can be also transported selectively by adjusting the pH of the source phase or the receiving phase solution. …

    Salt and Seawater Science & Technology 1(0), 1-9, 2021

    J-STAGE 

  • STUDY ON THE CITY BLOCK CONSTRUCTION OF THE TEXTILE WHOLESALE DISTRICTS IN THE GIFU RAILWAY STATION-FRONT AREA.  [in Japanese]

    ARAKI Namiko , NAKAGAWA Osamu

    … Either in nagaya style, shop space was on the ground floor and residence on the upper floor. … Autonomous cooperation of shop owners formed the textile wholesale district in the next phase. …

    Journal of Architecture and Planning (Transactions of AIJ) 86(780), 675-685, 2021

    J-STAGE 

  • Guidelines for Management of Idiopathic Normal Pressure Hydrocephalus (Third Edition): Endorsed by the Japanese Society of Normal Pressure Hydrocephalus

    NAKAJIMA Madoka , KAMEDA Masahiro , KAJIMOTO Yoshinaga , MASE Mitsuhito , MURAI Hisayuki , KITA Daisuke , KIMURA Teruo , SAMEJIMA Naoyuki , TOKUDA Takahiko , KAIJIMA Mitsunobu , AKIBA Chihiro , YAMADA Shigeki , KAWAMURA Kaito , ATSUCHI Masamichi , HIRATA Yoshihumi , MATSUMAE Mitsunori , SASAKI Makoto , YAMASHITA Fumio , AOKI Shigeki , IRIE Ryusuke , MIYAKE Hiroji , KATO Takeo , MIYAJIMA Masakazu , MORI Etsuro , ISHIKAWA Masatsune , DATE Isao , ARAI Hajime , The research committee of idiopathic normal pressure hydrocephalus , ISHII Kazunari , KURIYAMA Nagato , KAZUI Hiroaki , KANEMOTO Hideki , SUEHIRO Takashi , YOSHIYAMA Kenji

    … Additionally, the essential role of disproportionately enlarged subarachnoid-space hydrocephalus (DESH) in the imaging diagnosis and decision for further management of iNPH is discussed in this edition. … Therefore, diagnosis and treatment of iNPH have entered a new phase. …

    Neurologia medico-chirurgica 61(2), 63-97, 2021

    J-STAGE 

  • Characterization of Cardiac- and Respiratory-driven Cerebrospinal Fluid Motions Using a Correlation Mapping Technique Based on Asynchronous Two-dimensional Phase Contrast MR Imaging

    Yatsushiro Satoshi , Sunohara Saeko , Tokushima Tetsuya , Takizawa Ken , Matsumae Mitsunori , Atsumi Hideki , Horie Tomohiko , Kajihara Nao , Kuroda Kagayaki

    … Therefore, the present study aimed to characterize cardiac- and respiratory-driven CSF motions in the intracranial space using delay time, CSF velocity waveform correlation, and displacement.</p><p>Methods: Asynchronous two-dimensional phase-contrast at 3T was applied to measure the CSF velocity in the inferior–superior direction in a sagittal slice at the midline (N = 12) and an axial slice at the foramen magnum (N = 8). …

    Magnetic Resonance in Medical Sciences, 2021

    J-STAGE 

  • Flight Demonstration for Airframe Noise Reduction Technologies-FQUROH Project "Hisho" Phase  [in Japanese]

    YAMAMOTO Kazuomi , KOHZAI Masataka , HAYAMA Kenji , OCHI Akio , ISOTANI Kazuhide , UENO Yosuke , TSUCHIMOTO Yuta , KUMADA Toshiyuki , SHIMADA Akihisa , HAYASHI Kensuke , SHOJI Hirokazu , TAKAISHI Takehisa , YOKOKAWA Yuzuru , MURAYAMA Mitsuhiro , ITO Yasushi , SAKAI Ryotaro , ARIZONO Hitoshi , URA Hiroki

    Aeronautical and Space Sciences Japan 69(2), 49-51, 2021

    J-STAGE 

  • Progress in Digital Communication Technology:—Outline and Trend for Multi-Antenna Systems—  [in Japanese]

    Morioka Kazuyuki , Hirano Takuichi , Yamazaki Satoshi , Takeda Shigeki

    … Next, we introduce our research results on STBC-CPM (Space Time Block Coded - Continuous Phase Modulation) MIMO system for the sky IoT and OAM (Orbital Angular Momentum) transmission.</p> …

    IEEJ Transactions on Electronics, Information and Systems 141(2), 111-122, 2021

    J-STAGE 

  • Improvement of Mechanical Properties by Microstructural Evolution of Biomedical Co–Cr–W–Ni Alloys with the Addition of Mn and Si

    Ueki Kosuke , Yanagihara Soh , Ueda Kyosuke , Nakai Masaaki , Nakano Takayoshi , Narushima Takayuki

    … The η-phase (M<sub>6</sub>X–M<sub>12</sub>X type cubic structure, M: metallic elements, X: C and/or N, space group: Fd-3m (227)) and CoWSi type Laves phase (C14 MgZn<sub>2</sub> … type hexagonal structure, space group: P63/mmc (194)) were confirmed as precipitates in the as-cast and as-forged alloys. …

    MATERIALS TRANSACTIONS 62(2), 229-238, 2021

    J-STAGE 

  • An End-to-End BLE Indoor Localization Method Using LSTM

    Urano Kenta , Hiroi Kei , Yonezawa Takuro , Kawaguchi Nobuo

    … We focus on a large-scale indoor space where there is a tough environment for wireless indoor localization due to signal instability. … Considering the difficulty of data collection in a short preparation term, the data generated by a simple signal simulation is used in the training phase, before training with a small amount of real data. …

    Journal of Information Processing 29(0), 58-69, 2021

    J-STAGE 

  • Next Generation Multifunctional Nano-Science of Advanced Metal Complexes with Quantum Effect and Nonlinearity

    Yamashita Masahiro

    … My work encompasses four important key areas: (1) inorganic-organic hybrid systems, (2) nano-size and nano-space, (3) bottom-up and self-assembly, and (4) nonlinearity and quantum effect. …

    Bulletin of the Chemical Society of Japan 94(1), 209-264, 2021

    J-STAGE 

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