検索結果 1134件中 1-20 を表示

  • A Multipath OpenFlow Controller for Multiple TCP Stream Applications

    Che Huang , Chawanat Nakasan , Kohei Ichikawa , Yasuhiro Watashiba , Hajimu Iida

    … The results demonstrate that our proposed system accelerates the data transfer of GridFTP in both a virtual and a real global-scale environment.------------------------------This is a preprint of an article intended for publication Journal ofInformation Processing(JIP). …

    情報処理学会論文誌コンピューティングシステム(ACS) 10(2), 2017-09-11

    情報処理学会

  • フィリピンからクウェートへの女性看護師の国際労働移動

    宮内 久光 , 稲 綾香 , Miyauchi Hisamitsu , Ina Ayaka

    … The migration of population has been studied in three aspects, a migration stream, exterior environment and individuals of migrants. …

    移民研究 = Immigration Studies (13), 49-84, 2017-08

    機関リポジトリ

  • 治山ダム撤去による渓流環境の回復

    高橋 剛一郎 , 石川 芳治 , 中井 達郎 , 太田 猛彦

    新砂防 = Journal of the Japan Society of Erosion Control Engineering : 砂防学会誌 70(2), 3-10, 2017-07

  • 都心と臨海副都心とを結ぶBRT (特集 クルマ社会を支える交通インフラ技術) -- (進化するITS技術)

    東京都都市整備局

    自動車技術 = Journal of Society of Automotive Engineers of Japan 71(3), 32-36, 2017-03

  • Measurement of nanoparticle exposure in crematoriums and estimation of respiratory deposition of the nanoparticles by number and size distribution

    Kato Nobuhuki , Mastui Yasuto , Takaoka Masaki , Yoneda Minoru

    … health by reaching the alveoli and being carried to the entire body through the blood stream. …

    journal of Occupational Health, 2017

    J-STAGE

  • Benthic effects of artificial structures deployed in a tidal estuary

    MENDOZA MARITZA , HENKEL SARAH K.

    … This study provided additional evidence that artificial structures alter their physical environment, but in our study detected differences were less than those observed between the two different regions of the estuary and any effects on infauna were localized and smaller than differences between different regions of the estuary. …

    Plankton and Benthos Research 12(3), 179-189, 2017

    J-STAGE

  • Experimental Trial of 5G Super Wideband Wireless Systems Using Massive MIMO Beamforming and Beam Tracking Control in 28GHz Band

    OBARA Tatsunori , OKUYAMA Tatsuki , INOUE Yuki , AOKI Yuuichi , SUYAMA Satoshi , LEE Jaekon , OKUMURA Yukihiko

    … In this trial, we first conduct a basic experiment of single-stream transmission by using prototype system with base station (BS) having 96-element antenna and MS having 8-element antenna to evaluate the effectiveness of joint transmitter/receiver BF in 28GHz band in terms of coverage, impact of path loss, shadowing loss and penetration loss under indoor, outdoor and outdoor-to-indoor (O-to-I) environments. …

    IEICE Transactions on Communications E100.B(8), 1256-1268, 2017

    J-STAGE

  • Estimation of Nitrogen Load with Multi-pollution Sources Using the SWAT Model: a Case Study in the Cau River Basin in Northern Vietnam

    Tran Viet-Bach , Ishidaira Hiroshi , Nakamura Takashi , Do Thu-Nga , Nishida Kei

    … The model results showed good performance in stream flow simulations at all four hydrological stations. …

    Journal of Water and Environment Technology 15(3), 106-119, 2017

    J-STAGE

  • Evaluation of River Water Quality with Multivariate Analysis in Clear Stream Watersheds in Agricultural Area

    Yamazaki Yuri , Muneoka Toshimi , Okazawa Hiromu , Kimura Masato , Tsuji Osamu

    … <p>We analysed the river water quality of Rekifune River and Satsunai River watersheds, which are evaluated as a clear stream in Tokachi region, Japan with the principal component analysis (PCA) and the cluster analysis to interpret complex water quality data and to evaluate factors affecting river water quality on the basis of a 2008 investigation. …

    Journal of Water and Environment Technology 15(3), 86-95, 2017

    J-STAGE

  • 東北地方の多元素海域地球化学図に対し太平洋側と日本海側で堆積環境の違いが与える影響

    太田 充恒 , 今井 登 , 立花 好子 , 池原 研 , 片山 肇 , 中嶋 健

    <p>著者らは東北地方の陸海域包括地球化学図を作成し,海域の堆積環境が広域元素濃度分布にどのような影響を与えるかについて調べた.日本海の堆積物はカリウム,バリウム,希土類元素など珪長質火成岩に多く含まれる元素に富み,特に海底地形の高まりで採取された堆積物に著しく濃集する傾向が認められた.この堆積物は,デイサイト質火山灰やバライト団塊などを伴う新第三紀堆積岩の削剥生成物と考えられる.深海 …

    地質調査研究報告 68(3), 87-110, 2017

    J-STAGE

  • Experimental Trial of 5G Super Wideband Wireless Systems Using Massive MIMO Beamforming and Beam Tracking Control in 28 GHz Band

    OBARA Tatsunori , OKUYAMA Tatsuki , INOUE Yuki , AOKI Yuuichi , SUYAMA Satoshi , LEE Jaekon , OKUMURA Yukihiko

    … In this trial, we first conduct a basic experiment of single-stream transmission by using prototype system with base station (BS) having 96-element antenna and MS having 8-element antenna to evaluate the effectiveness of joint transmitter/receiver BF in 28 GHz band in terms of coverage, impact of path loss, shadowing loss and penetration loss under indoor, outdoor and outdoor-to-indoor (O-to-I) environments. …

    IEICE Transactions on Communications, 2017

    J-STAGE

  • 陶芸の里・小石原皿山の景観表象の把捉と評価-実存的景観論の試み-

    山下 三平 , 丸谷 耕太 , 内山 忠 , 栗田 融

     文化的景観は生きた景観であり,伝統的な生業・生活の持続によって様相がきまる.これを真に捉えるには,景観において生きる人々の実存に迫る必要がある.本研究は17世紀に始まり,20世紀中期の民芸運動の影響を受けた陶業の産地である,福岡県朝倉郡東峰村小石原皿山地区を対象とした.ここで写真投影法を適用し,窯元とその家族の目に映った工芸/焼き物の里の景観表象とその価値を追究した.また里への来訪者の見方も併せ …

    土木学会論文集D1(景観・デザイン) 73(1), 1-20, 2017

    J-STAGE

  • 都市キャノピーにおける渦構造・拡散挙動に及ぼす熱的効果のLES

    佐久間 悠人 , 田村 哲郎 , 河合 英徳

    危険物質の大気拡散現象においては瞬間的な高濃度を捉えることが重要である.特に都市における風の流れは建物の力学的粗度効果と熱効果により局所的に複雑化するので,気流の流れを時々刻々解析できる LESが有効な手段として注目されている.従来,都市での大気拡散に関する研究は数多く行われてきたが,建物の粗度効果と熱効果の複合的な作用に関する知見はほとんどなく,特に建物からの排熱による流れ場の局所的変化が指摘さ …

    風工学シンポジウム論文集 24(0), 61-66, 2016

    J-STAGE

  • Preliminary Ecological Risk Assessment of 10 PPCPs and their Contributions to the Toxicity of Concentrated Surface Water on an Algal Species in the Middle Basin of Tama River

    Mano Hiroyuki , Okamoto Seiichiro

    … In the present study, preliminary ecological risk assessments of 10 PPCPs were conducted in the middle stream of Tama River and its tributaries using the hazard quotient. …

    Journal of Water and Environment Technology 14(6), 423-436, 2016

    J-STAGE

  • 回転運動の交差・反発知覚

    郷原 皓彦 , 山田 祐樹

    交差・反発刺激では交差知覚が優位であり,これは同一方向への運動の継続がより予測されやすいためである。では運動刺激の回転情報はこの予測に関与するのだろうか。本研究では円形の運動刺激に順・逆回転を加え,回転方向とその連続性の消失が交差・反発知覚に与える影響を検討した。回転の連続性は運動刺激同士の重畳後に回転方向を反転させるか否かで操作した。円内の直径上のバーの回転で円の回転を表した。実験1の結果,回転 …

    日本認知心理学会発表論文集 2016(0), 45, 2016

    J-STAGE

  • 温度・餌環境が異なる河川に放流されたサケ稚魚の成長比較

    高橋 悟 , 長谷川 功 , 伊藤 洋満 , 伴 真俊 , 宮内 康行

    <p> サケ稚魚の河川内での成長と温度・餌環境との関係を調べるために,これらの環境条件が異なる千歳川本流とその支流ママチ川に放流を行った。その結果,ママチ川に放流した稚魚の方が胃充満度は高く,高成長だった。水温はママチ川の方が高かったため,ママチ川の方が高成長だった理由として,第一に高水温による採餌活性上昇が考えられた。餌料生物密度は千歳川の方が高密度だと推測された。ただし,餌料生物を …

    日本水産学会誌 82(4), 559-568, 2016

    J-STAGE

  • Harmonic-Based Robust Voice Activity Detection for Enhanced Low SNR Noisy Speech Recognition System

    SHIH Po-Yi , LIN Po-Chuan , WANG Jhing-Fa

    … HSLP is extracted by spectral amplitude analysis between the adjacent formants, and such characteristic can be used to identify and verify audio stream containing meaningful human speech accurately in low SNR environment. …

    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E99.A(11), 1928-1936, 2016

    J-STAGE

  • Traffic Characteristics of Mixed Traffic Flows in Urban Arterials

    WONG K. I. , LEE Tzu-Chang , CHEN Yen-Yu

    … With a proposed novel data-collection approach using aerial videography, a detailed and accurate vehicle trajectory dataset for a traffic stream in an urban arterial system was collected. … These characteristics could be useful for the development of microscopic behavioral models and integration with traffic simulation models for the evaluation of a mixed traffic environment. …

    Asian Transport Studies 4(2), 379-391, 2016

    J-STAGE

  • Determination of Iodide, Iodate and Total Iodine in Natural Water Samples by HPLC with Amperometric and Spectrophotometric Detection, and Off-line UV Irradiation

    TAKEDA Akira , TSUKADA Hirofumi , TAKAKU Yuichi , SATTA Naoya , BABA Mitsuhisa , SHIBATA Toshihiro , HASEGAWA Hidenao , UNNO Yusuke , HISAMATSU Shun'ichi

    … We tested the new method with samples of groundwater, spring water, precipitation, soil percolate, stream water, and seawater as well as solutions extracted from soil. … This method is suitable for routine speciation analysis, which is important for studies of I behavior in the environment. …

    Analytical Sciences 32(8), 839-845, 2016

    J-STAGE

  • Evaluation of water resources in mountainous region of Kathmandu Valley using high resolution satellite precipitation product

    THAPA Bhesh Raj , ISHIDAIRA Hiroshi , BUI Thi Hieu , SHAKYA Narendra Man

    … Therefore, satellite-gauge merging precipitation data called bias reduction PERSIANN-CCS (BR-PER) was applied for stream-flow simulation for estimating the freshwater available on mountainous region to identify the possibility of water resources project development because BR-PER exploits the ability to capture the rainfall spatial variation from very high resolution satellite data PERSIANN-CCS and shows comparable rainfall magnitude estimations at the station scale. …

    土木学会論文集G(環境) 72(5), I_27-I_33, 2016

    J-STAGE

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