Search Results 1-20 of 1156

  • A BASIC METHOD TO EVALUATE MANAGEMENT POLICIES OF VARIABLE MESSAGE SIGNS ON EXPRESSWAYS CONSIDERING USER COSTS  [in Japanese]

    MIZUTANI Daijiro , KAWASAKI Yosuke , SATSUKAWA Koki , NAKAGAWA Takeshi , UMEDA Shogo , IKUSHIMA Rie , KUWAHARA Masao

    <p>本研究では,高速道路情報板の故障による利用者の経済損失を考慮して維持管理施策の評価を行うための簡易的方法論を提案した.情報板のような交通補助施設に対しては,ある程度の件数の故障を許容しながら維持管理を行うことが現実的であり,そのためには故障時の利用者の経済損失を適切に評価する必要がある.本研究では,点検データに基づき情報板の故障過程を推定するとともに,情報板の故障により非効率的な …

    Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management) 76(5), I_127-I_139, 2021

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  • Full-scale Demonstration of Efficient Nitrification Control System with ICT  [in Japanese]

    Nishida Yoshinori , Yamanoi Ichiro , Nakamura Nobuyuki , Katakura Yoichi , Tsujii Yuki , Michinaka Atsuko

    <p> 本研究では,下水処理においてICTを活用し,処理水質の安定化,消費電力量の低減,維持管理業務の軽減を目的に,アンモニアセンサーを用いた新たな硝化運転制御システムを開発した.本制御システムは,フィードフォワード制御とフィードバック制御を併用する風量制御機能,NH<sub>4</sub>-N濃度減少量と処理に要した累積風量の関係(処理特性)の見える化機能,処 …

    Journal of Japan Sewage Works Association 58(702), 78-86, 2021

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  • Effect of traditional Japanese medicine, ninjin'yoeito, on cerebral blood flow in urethane-anesthetized mice  [in Japanese]

    Watanabe Nobuhiro , Iimura Kaori , Hotta Harumi

    … Aim] </b>Maintenance of adequate cerebral blood flow (CBF) is important for preventing cognitive dysfunctions. …

    Proceedings for Annual Meeting of The Japanese Pharmacological Society 94(0), 1-P1-39, 2021

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  • APPLICATION OF AIRBORNE ELECTROMAGNETIC PROSPECTING TO PREVENTIVE MAINTENANCE MANAGEMENT ON EXPRESSWAY SLOPES  [in Japanese]

    MAKIURA Nobukazu , KAMIDE Sadayuki , SAKURADANI Keiji , OKUMURA Minoru , ODA Kazuhiro , MATSUI Tamotsu

    <p> 高速道路斜面の予防保全管理のためには,広範囲に分布する崩壊危険斜面や地すべり・土石流危険渓流などを精度良く,効率的かつ経済的に抽出する技術が不可欠であるので、筆者らは広域地盤の3次元比抵抗分布を短時間に求めうる空中電磁探査を導入した.本論文では,空中電磁探査による比抵抗絶対値と強調値表示法および新たに開発した対数比抵抗強調値表示法について述べるとともに,広域地盤性状の概略的把握 …

    Journal of Japan Society of Civil Engineers, Ser. F4 (Construction and Management) 77(1), 83-95, 2021

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  • RATIONALIZATION OF SEWER PIPE SYSTEM ACCOMPANYING INCREASE IN ACCURACY OF QUANTITATIVE CONTROL FACILITY  [in Japanese]

    ODA Shuhei , ODA Kohei , ARAO Shinji

    <p> 概成した合流改善事業は,下水道管理を司る量的制御施設の管理精度が低く効果的な汚濁負荷や豪雨対策に課題も残る.このため,今後の社会的動向を配慮すれば事業運営や維持管理上での問題を含んでいる.</p><p> 本研究は,高精度の分水制御が可能な水工学理論とその水理実験検証,これ等を下水道基準図書や実務事例の知見延長で実用化を図った既往研究を受け,合流改善事業後 …

    Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 77(1), 39-53, 2021

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  • A Case of Intravenous Sedation in Combination with Nasal High Flow Therapy in an Intellectually Disabled Patient with Tracheal Stenosis  [in Japanese]

    ITO Takaya , WAKITA Ryo , ANDO Shizuka , FUKAYAMA Haruhisa

    … <p>  Nasal high flow therapy (NHFT) is a non-invasive respiratory therapy used to maintain a high fraction of inspired oxygen (F<span style="font-variant: small-caps;">io</span><sub>2</sub>) by delivering a mixture of high-flow oxygen and air. …

    Journal of Japanese Dental Society of Anesthesiology 49(1), 10-12, 2021

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  • Oxidation of Benzaldehyde to Benzoic Acid Using O<sub>2</sub> Fine Bubbles

    FUJITA Harunori , FUKUJU Toya , MATSUDA Taiga , HATA Takashi , NISHIUCHI Yusuke , SAKAMOTO Masaoki

    <p>気-液有機反応に対し,気体反応物をファインバブルとして導入できる新しい旋回液流型のファインバブル有機反応装置を開発した。ベンズアルデヒドの分子状酸素による酸化反応をモデル反応として,酸素ファインバブルによる気-液有機反応の反応促進効果を評価した。その結果,O<sub>2</sub>ファインバブルを用いることで顕著な反応促進効果が得られることが確認された。こ …

    Journal of the Japan Petroleum Institute 64(1), 10-16, 2021

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  • Spatio-Temporal Self-Attention Weighted VLAD Neural Network for Action Recognition

    CHENG Shilei , XIE Mei , MA Zheng , LI Siqi , GU Song , YANG Feng

    … In particular, sequential convolutional feature maps extracted from two modalities <i>i</i>.<i>e</i>., RGB and Flow are receptively fed into the self-attention module to learn soft spatio-temporal assignments parameters, which enabling aggregate not only detailed spatial information but also fine motion information from successive video frames. …

    IEICE Transactions on Information and Systems E104.D(1), 220-224, 2021

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  • Similarities and differences in metabolites of tongue cancer cells among two- and three-dimensional cultures and xenografts.

    MURAKAMI Shoko , TANAKA Hiroyuki , NAKAYAMA Takahisa , TANIURA Naoko , MIYAKE Toru , TANI Masaji , KUSHIMA Ryoji , YAMAMOTO Gaku , SUGIHARA Hiroyuki , MUKAISHO Ken-ichi , 村上 翔子 , 田中 裕之 , 仲山 貴永 , 三宅 亨 , 谷 眞至 , 九嶋 亮治 , 山本 学 , 杉原 洋行 , 向所 賢一

    … Conversely, ATP production, biomass synthesis, and maintenance of redox balance were shown in 3D culture using sufficient nutrients, which closely resembled the metabolic activity in the xenografts. … In vivo, the cancer tissue had blood flow with stromal cells present around the cancer cells. …

    Cancer science, 2020-11-27

    IR 

  • Secondary contact and genomic admixture between rhesus and long‐tailed macaques in the Indochina Peninsula  [in Japanese]

    Ito Tsuyoshi , Kanthaswamy Sreetharan , Bunlungsup Srichan , Oldt F. Robert , Houghton Paul , Hamada Yuzuru , Malaivijitnond Suchinda

    … Interspecific gene flow was estimated to have recently occurred after an isolation period, and the migration rate from rhesus to long‐tailed macaques was slightly greater than in the opposite direction. … Thus, due to geographic separation before secondary contact, reproductive isolation could have evolved, contributing to the maintenance of an interspecific boundary and species‐specific morphological characteristics. …

    Journal of Evolutionary Biology 33(9), 1164-1179, 2020-09

    IR 

  • A STUDY OF THE EFFECT ON THE WETTABILITY OF LASER GENERATED MICROSTRUCTURE OF BUILDING MATERIALS  [in Japanese]

    NAGAI Kaori

    … the above results, the following was found.</p><p> (1) The water contact angle can be changed by finely processing the surface of the substrate.</p><p> (2) When the groove-like surface structures are parallel to the direction of the flow of water, the color difference of rain streaks shows a small value at a water contact angle of 100 °</p><p> (3) It was confirmed that the combination of a substrate/material and a proper suitable surface micro structure to self-cleaning effect leads to a self-cleaning surface …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (774), 1005-1012, 2020-08

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  • High tolerance land use against flood disasters : How paddy fields as previously natural wetland inhibit the occurrence of floods

    Osawa Takeshi , Nishida Takaaki , Oka Takashi

    … There has been an increased interest in taking advantage of ecosystem functions for disaster risk reduction (Eco-DRR) as future infrastructure because of the lower introduction, maintenance costs, and the additional ecosystem services. … We used flow accumulation value (FAV) as an index of intact wetland habitat; …

    (114), 106306, 2020-07

    IR 

  • Sequentially addressable dielectrophoretic array for high-throughput sorting of large-volume biological compartments

    Isozaki A. , Nakagawa Y. , Loo M. H. , Shibata Y. , Tanaka N. , Setyaningrum D. L. , Park J-W , Shirasaki Y. , Mikami H. , Huang D. , Tsoi H. , Riche C. T. , Ota T. , Miwa H. , Kanda Y. , Ito T. , Yamada K. , Iwata O. , Suzuki K. , Ohnuki S. , Ohya Y. , Kato Y. , Hasunuma T. , Matsusaka S. , Yamagishi M. , Yazawa M. , Uemura S. , Nagasawa K. , Watarai H. , Di Carlo D. , Goda K.

    … However, there remains a fundamental trade-off between droplet volume and sorting throughput, limiting the advantages of droplet microfluidics to small droplets (<10 pl) that are incompatible with long-term maintenance and growth of most cells. … The SADA sorter uses an on-chip array of electrodes activated and deactivated in a sequence synchronized to the speed and position of a passing target droplet to deliver an accumulated dielectrophoretic force and gently pull it in the direction of sorting in a high-speed flow. …

    Science Advances 6(22), eaba6712, 2020-05

    IR 

  • Salivary Immunoglobulin A Secretion and Polymeric Ig Receptor Expression in the Submandibular Glands Are Enhanced in Heat-Acclimated Rats

    Matsuzaki kentaro , Sugimoto Naotoshi , Rafiad Islam , Md Emon Hossain , SUMIYOSHI Eri , Katakura Masanori , Shido Osamu

    … Following maintenance at an ambient temperature (Ta) of 24 ± 0.1 °C for 10 days, male Wistar rats were subjected to Ta of 32 ± 0.2 °C for 5 days (HE group) for heat acclimation or maintained at Ta of 24 ± 0.1°C (CN group). … The salivary IgA concentration and IgA flow rate were significantly higher in the HE group than in the CN group. …

    International Journal of Molecular Sciences 21(3), 2020-01-27

    IR 

  • A study on the noise reduction of bi-direction radial fan  [in Japanese]

    WANG Lei , KOYAMA Taihei

    … <p>Recently, totally enclosed fan motor dominates the market due to its low maintenance frequency. … In this study, we carried out numerically fluid flow analysis to speculate the effectiveness of blades number adjustment and blade distribution modification in equal and non-equal interval distance, in order to reduce noise without affecting volumetric flow rate. …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), S11211, 2020

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  • Effect of Stabilized Abrasive Concentration on Suspension Jet Cutting  [in Japanese]

    OKITA Yuji , KASHIWAGI Keita

    … Although ASJs system by bypass system is advantageous in terms of equipment maintenance and cost as the jetting time increases the abrasive concentration in the vessel decreases, since high pressure water directly flows into the vessel and pushes out the suspension. … The stabilization of the abrasive concentration was adjusted by changing the opening of the valve attached in the bypass pipeline and changing the flow rate over time. …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), S05409, 2020

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  • Dam outlet works using a link-sleeve valve with air aspiration  [in Japanese]

    SHIMODA Takafumi , MATSUBARA Keisuke , NAGASE Atsushi , MARUTA Kouhei , SATO Takahiro , YONEZAWA Kouichi , NOGUCHI Takashi , HIRATA Katsuya

    … However, the appropriate rate of air injection is certain only for the jet flow gate valves (JFG) now widely in use. … Present findings could be useful for improving the potential use of LSV as a more low-maintenance alternative to the JFG.</p> …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), J10213, 2020

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  • INFLUENCE OF SEEPAGE AND EXCESS PORE WATER PRESSURE IN GROUND ON SCOUR UNDER HIGH-SPEED FLOW  [in Japanese]

    YASUE Kaiga , MAEDA Kenichi , MATSUDA Tatsuya , SUZUKI Yuma

    <p><tt>洪水等で生じる洗掘は,大きな地形変化をもたらし,深刻な被害に繋がる.洗掘機構は,従来から掃流力を用いて精力的に評価されてきたが,近年では,流体力は地盤内の応力を変動させ,洗掘現象を助長する影響についても議論されている.本研究では,高速流下の地盤内で生じる浸透及び水圧変動が洗掘に及ぼす影響を定量化するため,移動床実験及び既往の解釈と比較した理論的考察を行った.結 …

    Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM)) 76(2), I_301-I_312, 2020

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  • Assessment of Aerodynamic Performance of Ultra-Highly Loaded Axial Turbine by Using Small Sized Wind Tunnel for Annular Cascade:(Effects of Tip Clearance Size)  [in Japanese]

    CHIN Shigou , CHO Kiken , TSUJITA Hoshio

    … As a consequence, the decreases of both the weights and the costs for manufacturing and for maintenance can be realized. …

    Turbomachinery 48(6), 345-351, 2020

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  • Basic Concept and Latest Headbox Design  [in Japanese]

    Sano Hideki

    <p>国際的な競争が益々激化する紙パルプ業界にあって,紙の生産性と品質を併せて向上させ,競争力を強化するためにさまざまな抄紙機が開発されてきた。</p><p>抄紙機におけるヘッドボックスの役割は,JIS規格の用語で「原料を整流して所要の厚さおよび速度でワイヤ上に流す装置」と定義されている。ヘッドボックスに求められる代表的な機能は良好な原料の分散,ストリークや斜流 …

    JAPAN TAPPI JOURNAL 74(10), 969-973, 2020

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