Search Results:　 1-20 of 2292

  • 1

    Femoral-internal Carotid Extraluminal Shunt for Carotid Surgery(SURGICAL TECHNIQUES and PERIOPERATIVE MANAGEMENT)  [in Japanese]

    Yoshino Masanori , Mizutani Tohru , Yuyama Ryuji , Hara Takayuki , Ota Takahiro , Iijima Akira

    反対側頚動脈強度狭窄・閉塞の症例のうち,術前バルーン閉塞試験で5分以内に脳虚血由来の症状が出現する場合は,通常の内シャント挿入でも虚血性合併症をきたす可能性があると考えている.当科では,このような症例に対して体外循環シャントを使用し,術中の遮断時間をゼロにするような工夫をしてきた.現在は狭窄病変が長く,通常の内シャント挿入までに時間を要するような症例や,頚動脈遮断下に頚動脈剥離を行ったほうが安全な …

    Japanese journal of neurosurgery 20(8), 604-610, 2011-08-20

    CiNii Fulltext PDF - Open Access  Ichushi Web

  • 2

    Effect of emission conditions of ultrasound in aggregation formation of microbubbles with their specifications  [in Japanese]

    KODA Ren , WATARAI Nobuyuki , SHIGEHARA Nobuhiko , ITO Takumi , MASUDA Kohji

    … そしてSecondary Bjerknes forceによる微小気泡の凝集現象に注目し、凝集体を形成することで超音波による制御性が向上することを確認した。 …

    IEICE technical report. Ultrasonics 111(88), 13-18, 2011-06-16

    CiNii Fulltext PDF - Limited  Ichushi Web

  • 3

    Numerical Simulation of Fluid Flow and Heat Transfer of Supercritical Fluids in Fuel Bundles

    ZHANG Yina , ZHANG Chao , JIANG Jin

    … In order to understand the thermal-hydraulic behavior of supercritical fluids in nuclear reactors, the local fluid flow and heat transfer of supercritical water in a 37-element fuel bundle has been studied numerically in this work. … Results show that secondary flow appears and the cladding surface temperature (CST) is very nonuniform in the fuel bundle. …

    Journal of Nuclear Science and Technology 48(6), 929-935, 2011-06-01

    J-STAGE CrossRef References (25)

  • 4

    Research on internal flow and secondary flow loss reduction for high loaded turbine cascade  [in Japanese]

    KAWATA Yutaka , TAMAGAWA Toru , FUJII Kenji

    … Concerning this high loaded turbine cascade of high temperature gas turbine, the large part of loss is generated by the secondary flow loss caused by the horseshoe vortices. … In this research internal flow measurement and flow visualization are carried out to investigate the growth of secondary flow loss. …

    Journal of the Gas Turbine Society of Japan 39(3), 184-190, 2011-05-20

    CiNii Fulltext PDF - Limited 

  • 5

    Diagnostic value of single photon emission computed tomography (SPECT) of the brain of patients with the first-episode schizophrenia(Basic medicine)

    Wake Rei , Miyaoka Tsuyoshi , Kawakami Kazunori , Furuya Motohide , Ieda Masa , Kristian Liaury , Tsuchie Keiko , Nishida Akira , Inagaki Takuji , Horiguchi Jun

    … Objective: We attempted to identify the locus of cerebral blood flow reduction to clarify the functional neuroanatomical basis of the first-episode schizophrenia. … A secondary objective was to evaluate the diagnostic value a new analytical program, easy Z-score Imaging System (eZIS). … Result: In comparison with normal controls, the patients with schizophrenia were found to have reduced blood flow in bilateral frontal and temporal areas. …

    Journal of brain science 36, 4-17, 2011-03-30

    CiNii Fulltext PDF - Subscription 

  • 6

    Employ Present Five Masks Amorphous Silicon Thin-Film Transistor Design and Process Flow to Realize 5-in. InGaZnO Active-Matrix Liquid Crystal Display with Improved Stress Stability

    Hung Ming-Chin , Hsiao Hsia-Tsai , Lin Wei-Ting , Tu Chun-Hao , Chang Jiun-Jye , Chen Po-Lun

    … The present five masks bottom gate and staggered amorphous silicon (a-Si) thin-film transistor (TFT) process flow is not suitable for indium--gallium--zinc-oxide (IGZO) TFT because of its vulnerability to post etching process during the source/drain pattern. … Bottom gate and coplanar IGZO TFTs were made feasible through the reverse of second (channel layer) and third (source/drain electrodes) masks process flow to avoid etching damage problem. …

    Jpn J Appl Phys 50(3), 03CB07-03CB07-4, 2011-03-25

    The Japan Society of Applied Physics

  • 7

    Numerical Investigation of Internal Behavior and Optimal Preparation Condition of Emulsified Fuel Droplets  [in Japanese]

    SUZUKI Yoshiyuki , KAMATA Haruyuki , HARADA Takuji , SHOJI Masakazu , MATSUSHITA Yohsuke , AOKI Hideyuki , MIURA Takatoshi

    現在，窒素酸化物やすすといった環境汚染物質の同時排出削減法として，エマルジョン燃料の研究が行われている．加熱過程におけるエマルジョン燃料液滴では，蒸気吹き出し（puffing）およびミクロ爆発といった2次微粒化現象が発生することが知られている．さらに，液滴内部における油中水滴の凝集および合一の促進に伴い，2次微粒化が促進されることも報告されている．しかしながら，2次微粒化挙動の詳細が解明されている …

    KAGAKU KOGAKU RONBUNSHU 37(1), 167-174, 2011-03-20

    J-STAGE CrossRef References (20)

  • 8

    The Evoking and Resolving of Cognitive Conflict by Using Analogies in Science Learning : Secondary Students' Understanding of the "Direction of Electric Current"  [in Japanese]

    UCHINOKURA Shingo

    中学校における電気単元を事例とし、アナロジーを基盤にして認知的な葛藤を生起・促進し、それを解消することで、科学的な理解が促進されること、およびそのアナロジーの活用方法の有効性を、質問紙調査およびプロトコル分析によって探った。その結果、次のことが明らかとなった。(1)生徒の学習前の科学的に適切とはいえない考えを代表するアナロジーと、それとは明確には異なって、より科学的なモデルに近いアナロジーという、 …

    Journal of research in science education 51(3), 47-58, 2011-03-10

    CiNii Fulltext PDF - Paid 

  • 9

    Basic Study of Three-Dimensional Behavior of Commercial Scale Faraday Type MHD Generator  [in Japanese]

    NAGAKUBO Yutaka , YAMASHITA Tokushi , FUJINO Takayasu , ISHIKAWA Motoo

    電気学会研究会資料. FTE, 新エネルギー・環境研究会 2011(1), 13-18, 2011-03-09

    References (11)

  • 10

    Development of a simplified method for compound graph matching in enzyme reactions  [in Japanese]

    Masaaki Kotera , Toshiaki Tokimatsu , Zen-ichi Nakagawa , Yuki Moriya , Minoru Kanehisa , Susumu Goto

    多様な二次代謝化合物の生合成経路を推定するには,酵素反応式中で変化または保存する化学構造を求める必要がある.これは,反応式の両辺を構成する化合物をそれぞれグラフとして定義しマッチングを求めることに相当するが,酵素反応の性質を考慮することで一般的なグラフマッチングより簡略な解法が可能である.本研究では,与えられた完全または部分反応式から原子の移動を表す化合物ペアを自動抽出する方法を報告する.

    IPSJ SIG technical reports 2011-BIO-24(2), 1-6, 2011-03-03

    CiNii Link1

  • 11

    Electromagnetic Pumps for Main Cooling Systems of Commercialized Sodium-Cooled Fast Reactor

    AIZAWA Kosuke , CHIKAZAWA Yoshitaka , KOTAKE Shoji , ARA Kuniaki , AIZAWA Rie , OTA Hiroyuki

    … A flow rate of over 500 m3/min is required for the main circulating pump of such reactors. … There is concern that such a large EMP will cause flow instability. … A modular-type EMP system can solve this issue since smaller EMPs are arranged in parallel and the flow rate of each EMP is reduced. … Parallel-module EMP systems have been investigated as the primary and secondary circulating pumps. …

    Journal of Nuclear Science and Technology 48(3), 344-352, 2011-03-01

    J-STAGE CrossRef References (13)

  • 12

    Estimation of Heat Transfer Coefficient and Flow Characteristics on Heat Transfer Tube in Sodium-Water Reaction

    MATSUMOTO Toshinori , TAKATA Takashi , YAMAGUCHI Akira , KURIHARA Akikazu , OHSHIMA Hiroyuki

    … It then becomes possible for neighboring tubes to experience a secondary failure due to overheating. … With regard to the secondary failure, an estimate of heat transfer from fluid to the tube is important for safety evaluation. … The heat transfer coefficient is affected by the flow characteristics. … Hence, we characterize the flow pattern near the heat transfer tube at typical periods in the phenomenon progression. …

    Journal of Nuclear Science and Technology 48(3), 315-321, 2011-03-01

    J-STAGE CrossRef References (9)

  • 13

    Evaluation of Bubble Eye Area to Improve Gas/Liquid Reaction Rates at Bath Surfaces

    MARUOKA Nobuhiro , LAZUARDI Felicia , MAEYAMA Toshiaki , KIM Sun-joong , CONEJO Alberto N. , SHIBATA Hiroyuki , KITAMURA Shin-ya

    … It was concluded that the size of the bubble eye is influenced by the gas flow rate through each nozzle, whereas the volumetric mass transfer coefficient at the bubble eye area is influenced by the bubble eye area and the bubble rising velocity. …

    ISIJ International 51(2), 236-241, 2011-02-15

    J-STAGE CrossRef References (17)

  • 14

    Development and Verification of the Control Method Using Surplus Pressure of the Primary Pump in Heating and Cooling Plant System for Building Air-conditioning  [in Japanese]

    MATSUSHITA Naomiki , LEE Je Hyeon , YOSHIDA Kenichi , AKASHI Yasunori , SUMIYOSHI Daisuke , TANAKA Makoto , FUJIMURA Masahiro

    業務用建物で使用されるエネルギー消費の約半分は,空調設備の運転によるものとされる.一般に空調設備は最大負荷に基づいて設計されるため,部分負荷運転の割合が非常に高く,非効率な運転となっているケースが多くみられる.本論文では,部分負荷運転時の効率を上げ,エネルギー削減を低コストで実現できる制御法として,一次ポンプ余剰圧力活用制御法を提示するとともに,実建物へ導入しその有効性を示した.

    Transactions of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan (166), 19-26, 2011-01-05

    CiNii Fulltext PDF - Open Access 

  • 15

    Three Dimensionalization of the Flow Field around a NACA0012 Airfoil at Low Reynolds Numbers

    NAKAE Yusuke , OHTAKE Tomohisa , MURAMATSU Akinori , MOTOHASHI Tatsuo

    … Three-dimensional numerical simulation of the flow field around a NACA0012 airfoil at Reynolds number 10,000 was carried out to clarify three-dimensionalization process of the flow field around the airfoil at 7 degrees of angle of attack. … The secondary instability begins near the end of the separation bubble which induces spanwise deformation of the boundary layer; … thereby three-dimensionalization of the flow field breaks out. …

    JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 59(692), 244-251, 2011

    J-STAGE CrossRef

  • 16

    Vegetation Succession and Land Recovery Process Based on Soil Properties in the Upper Mt. Pinatubo, the Philippines

    WATANABE Makiko , TAKAOKA Sadao , MORISHIMA Wataru , SAKAGAMI Nobuo , COLLADO Mario , OGUCHI Takashi

    … higher terrace of lahars with Ararong of 2–5 m height and herb coverage (Stage III) and ridge area affected by the 1991 pyroclastic flow and/or fall deposits, currently used as fields with shifting cultivation (Stage IV), had an increased T-C content of from 0.37 to 8.9 g kg-1 in response to the increased density of the vegetation canopy and number of vegetation species, which showed an exponential increase towards Stage V (21 g kg-1). The T-N content showed a slight tendency of nitrogen accumulation occupied by Ararong and rhizobial …

    Journal of Geography (Chigaku Zasshi) 120(4), 631-645, 2011

    J-STAGE CrossRef

  • 17

    Hybrid Schemes of Shock Capturing Methods and Secondary Conservative Finite Difference

    MORINISHI Yohei , KOBAYASHI Naoki , KOGA Kazuki

    … For compressible flow simulations, FDS, FVS, and AUSM are popular shock capturing schemes. … However, these schemes do not work well for turbulent flow simulations because of their excessive numerical dissipation. … On the other hand, the secondary conservative finite difference method is useful for unsteady turbulent flow simulations, although it does not work well for flows with discontinuities. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 77(781), 1715-1730, 2011

    J-STAGE CrossRef

  • 18

    Development of Hard Secondary Cooling by High-pressure Water Spray in Continuous Casting

    Ito Yoichi , Murai Takeshi , Miki Yuji , Mitsuzono Masayuki , Goto Takatoshi

    … Cooling intensity in secondary cooling is an important factor for achieving high-speed casting. … In this study, we investigated the effects of the hydraulic pressure and water flow rate of a cooling water spray on cooling intensity, and developed a more efficient secondary cooling system with a high-water pressure spray. …

    ISIJ International 51(9), 1454-1460, 2011

    J-STAGE CrossRef

  • 19

    Onion-like Structure Flow of Viscoelastic Surfactant Solutions Induced by 4-Blade Paddle Impeller in a Vessel

    KOMODA Yoshiyuki , KOBAYASHI Kazuhiro , SUZUKI Hiroshi

    … In this study, we focused on characteristics of fluid flow of viscoelastic surfactant solutions in a mixing vessel. …

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN advpub(0), 1108120240, 2011

    J-STAGE CrossRef

  • 20

    A Novel Flow Sheet for Processing of Used Lithium-ion Batteries for Recycling

    YAMAJI Yuta , DODBIBA Gjergj , MATSUO Seiji , OKAYA Katsunori , SHIBAYAMA Atsushi , FUJITA Toyohisa

    … The positive electrode of the lithium-ion secondary battery is made of lithium oxide with mainly cobalt, nickel and manganese etc.. … In this research, the optimum processing flow sheet is investigated and their efficiency is evaluated. …

    Resources Processing 58(1), 9-13, 2011

    J-STAGE CrossRef

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