検索結果 878件中 1-20 を表示

  • Solution plasma applications for the synthesis/modification of inorganic nanostructured materials and the treatment of natural polymers

    Watthanaphanit Anyarat , Saito Nagahiro

    … Reducing the use of toxic chemicals, production steps, and time consumption are important concerns for researchers and process engineers to contribute in the quest for an efficient process in any production. … If an equipment setup is simple, the process additionally becomes more profitable. …

    Jpn. J. Appl. Phys. 57(1), 0102A3, 2017-11-10

    応用物理学会

  • Nanosecond pump-probe device for time-resolved serial femtosecond crystallography developed at SACLA

    Kubo Minoru , Nango Eriko , Tono Kensuke , Kimura Tetsunari , Owada Shigeki , Song Changyong , Mafune Fumitaka , Miyajima Ken , Takeda Yoshihiro , Kohno Jun-ya , Miyauchi Naoya , Nakane Takanori , Tanaka Tomoyuki , Nomura Takashi , Davidsson Jan , Tanaka Rie / Murata Michio / Kameshima Takashi / Hatsui Takaki / Joti Yasumasa / Neutze Richard / Yabashi Makina / Iwata So

    … Here a nanosecond optical-pump XFEL-probe device developed for time-resolved serial femtosecond crystallography (TRSFX) studies of photo-induced reactions in proteins at the SPring-8 Angstrom Compact free-electron LAser (SACLA) is reported. … The optical-fiber-based system is a good choice for a quick setup in a limited beam time and allows pump illumination from two directions to achieve high excitation efficiency of protein microcrystals. …

    Journal of Synchrotron Radiation 24(5), 1086-1091, 2017-09-01

    機関リポジトリ DOI

  • Low pressure micro-Joule picosecond laser-induced breakdown spectroscopy and its prospective applications to minimally destructive and high resolution analysis

    Abdulmadjid Syahrun , Jobiliong Eric , Suliyanti Maria , Pardede Marincan , Suyanto Hery , Kurniawan Koo , Lie Tjung , Hedwig Rinda , Lie Zener , Karnadi Indra , Wihardjo Erning , Tjia May , Kagawa Kiichiro

    … A time-resolved spectroscopic study is performed by using 125–500 micro-Joule (µJ) ps laser focused directly without the aid of microscope on a Cu plate sample in a variety of low-pressure ambient gases including air, helium and argon. … The experimental setup is successfully applied to Cr analysis with low detection limit in steel. …

    Jpn. J. Appl. Phys. 56(9), 096201, 2017-08-02

    応用物理学会

  • 地下水位制御システムを利用した地下灌漑時における湿潤域・地下水位の経時変化と水収支

    坂田 賢 , 大野 智史 , 加藤 仁 , 鈴木 克拓 , 横山 浩

    農業農村工学会論文集 = Kyoai Gakuen University journal 85(1), Ⅰ_129-135, 2017-06

  • Preferential triplet over singlet emission of Zn in laser-induced plasmas

    Pardede Marincan , Hedwig Rinda , Lahna Kurnia , Idris Nasrullah , Abdulmadjid Syahrun , Jobiliong Eric , Suyanto Hery , Tjia May , Lie Tjung , Lie Zener , Kurniawan Koo , Wihardjo Erning , Kagawa Kiichiro

    … An experimental study is performed on the time-dependent intensity variations of Zn emission focusing on the triplet (Zn I 481.0 nm) and singlet (Zn I 636.2 nm) emission lines induced under three experimental conditions. … A single nanosecond (ns) Nd:YAG laser in standard laser-induced breakdown spectroscopy (LIBS) setup is employed for the investigation of direct shock wave-induced emission characteristics with N<inf>2</inf>ambient gas at 0.4 kPa and the different effects of He ambient gas at 2 kPa. …

    Jpn. J. Appl. Phys. 56(6), 066101, 2017-05-10

    応用物理学会

  • Sub-10-ms X-ray tomography using a grating interferometer

    Yashiro Wataru , Noda Daiji , Kajiwara Kentaro

    … An X-ray phase tomogram was successfully obtained with an exposure time of less than 10 ms by X-ray grating interferometry, an X-ray phase imaging technique that enables high-sensitivity X-ray imaging even of materials consisting of light elements. … The setup of the experiment will make it possible to realize three-dimensional observation of unrepeatable high-speed phenomena with a time resolution of less than 10 ms. …

    Appl. Phys. Express 10(5), 052501, 2017-04-04

    応用物理学会

  • External magnetic field distribution mapping using terahertz emission from indium antimonide

    Mag-usara Valynn , Bulgarevich Dmitry , Shiwa Mitsuharu , Watanabe Makoto , Tani Masahiko

    … Using a standard THz time-domain spectroscopy setup, the THz emission of indium antimonide (InSb) was systematically measured at several different points of an external magnetic field. …

    Jpn. J. Appl. Phys. 56(2), 028001, 2017-01-05

    応用物理学会

  • A New Energy Efficient Clustering Algorithm Based on Routing Spanning Tree for Wireless Sensor Network

    GAO Yating , KANG Guixia , CHENG Jianming , ZHANG Ningbo

    … In this study, the proposed scheme consists of three phases: setup phase, cluster head (CH) selection phase and steady phase. … In the setup phase, several clusters are formed by adopting the K-means algorithm to balance network load on the basis of geographic location, which solves the randomness problem in traditional distributed clustering algorithm. …

    IEICE Transactions on Communications E100.B(12), 2110-2120, 2017

    J-STAGE

  • An Online Rolling Model for Plate Mill Using Parallel Computation

    Otsuka Takayuki , Sakamoto Masashi , Takamachi Yasuyuki , Higashida Yasuhiro , Segawa Yuji , Takeshima Shohta

    … <p>A new online rolling model of the draft schedule setup for a plate mill has been developed. … The temperature model and roll separating force model, as well as its inverse calculation (calculate entry thickness from exit thickness and given roll separating force), are involved in the draft schedule setup calculations. …

    ISIJ International 57(11), 2042-2048, 2017

    J-STAGE

  • 2波長観察用レーザーを利用したソーレー強制レイリー散乱法による3成分系のソーレー係数・熱拡散係数測定法の開発

    松浦 弘明 , 長坂 雄次

    <p>著者らの研究室で開発してきた物質輸送センシング技術であるソーレー強制レイリー散乱(SFRS)法を3成分系のソーレー係数・熱拡散係数測定法へと発展させるため,試料の屈折率の波長依存性を利用する2波長検出技術を適用した場合の測定理論と,これに基づく新たな測定装置を提示した.この装置を用いて,ベンチマーク値と呼ばれる参照値が存在する系の測定を行い,測定手法の妥当性を確認した後に,工学的 …

    熱物性 31(2), 89-96, 2017

    J-STAGE

  • 台風による天竜川河口砂州上の越流現象と地形変化

    佐々木 勇弥 , 佐藤 愼司

    … 浪時の河口砂州周辺では,沿岸漂砂,岸沖漂砂,砂州越波・越流に伴う土砂移動,各々による地形変化が混在して生じる.砂州標高の低い領域では,波浪の打ち上げによる越波が岸向きに土砂を輸送し,wave setupに伴う平均水位の上昇がその越波数を増加させるのに対し,標高の高い領域では,波浪のスペクトル特性の影響を強く受けて発達する長周期波が,越波の発生と岸向き土砂輸送に本質的な要因である.長周期 …

    土木学会論文集B2(海岸工学) 73(2), I_655-I_660, 2017

    J-STAGE

  • Endovascular Therapy for Acute Ischemic Stroke: Reducing Door-to-puncture Time

    Morofuji Yoichi , Horie Nobutaka , Tateishi Yohei , Morikawa Minoru , Sadakata Eisaku , Izumo Tsuyoshi , Tsujino Akira , Matsuo Takayuki

    … Reducing the time to recanalization is important for the treatment of acute ischemic stroke. … We changed the treatment protocol to reduce the door-to-puncture time (DTP). … In patients with acute ischemic stroke suspected to have major artery occlusion, DTP could be shortened by 30 minutes by informing neurointerventionalists before MRI and deciding to perform endovascular treatment and starting the setup angiography suite during MRI. …

    脳神経血管内治療, 2017

    J-STAGE

  • Probabilistic neural network applied to eye tracking control to alter the direction of an endoscopic manipulator

    CAO Yang , MIURA Satoshi , LIU Quanquan , KOBAYASHI Yo , KAWAMURA Kazuya , SUGANO Shigeki , FUJIE Masakatsu G.

    … Furthermore, the PNN training duration only took 2% of the entire time of the procedure to handle individual differences. … eyes through machine learning of personal calibration data over a short time frame, which will not take significant extra preoperative setup time.</p> …

    Mechanical Engineering Journal 4(4), 15-00568-15-00568, 2017

    J-STAGE

  • Development of an Attenuated Total Reflection Based Fiber-Optic Sensor for Real-time Sensing of Biofilm Formation

    ORII Tatsuya , OKAZAKI Takuya , HATA Noriko , SUGAWARA Kazuharu , RAHMAN Faidz A. , KURAMITZ Hideki

    … A fiber-optic sensor capable of real-time monitoring of biofilm formation in water was developed. … The proposed setup can be used to analyze the transmittance response over a wide wavelength range using a white-light source and a spectroscopy detector. …

    Analytical Sciences 33(8), 883-887, 2017

    J-STAGE

  • Whistleblowing at work Can ICT encourage whistleblowing? (第25回年次大会予稿)

    Hussien Mostafa , Yamanaka Thshiyuki

    … Reporting a misconduct at work should never be underestimated as a little spark can grow to a flame in a short time. …

    情報知識学会誌 27(2), 150-154, 2017

    J-STAGE

  • Probabilistic neural network applied to eye tracking control to alter the direction of an endoscopic manipulator

    CAO Yang , MIURA Satoshi , LIU Quanquan , KOBAYASHI Yo , KAWAMURA Kazuya , SUGANO Shigeki , FUJIE Masakatsu G.

    … Furthermore, the PNN training duration only took 2% of the entire time of the procedure to handle individual differences. … eyes through machine learning of personal calibration data over a short time frame, which will not take significant extra preoperative setup time.</p> …

    Mechanical Engineering Journal, 2017

    J-STAGE

  • A new Energy Efficient Clustering Algorithm based on Routing Spanning Tree for Wireless Sensor Network

    GAO Yating , KANG Guixia , CHENG Jianming , ZHANG Ningbo

    … In this study, the proposed scheme consists of three phases: setup phase, cluster head (CH) selection phase and steady phase. … In the setup phase, several clusters are formed by adopting the K-means algorithm to balance network load on the basis of geographic location, which solves the randomness problem in traditional distributed clustering algorithm. …

    IEICE Transactions on Communications, 2017

    J-STAGE

  • Deadbeat Feedforward Compensation with Frequency Shaping of Position Feedforward Controller

    Hirose Noriaki , Tajima Ryosuke

    … The author has already proposed a deadbeat feedforward compensation technique under the former category, which can ensure the specified settling time for a step reference and can suppress the vibration mode in a mechanical system. … In the present study, we enhance the previous method in order to consider continuous path control by applying additional cost functions for gain and phase characteristics.</p><p>The effectiveness of the proposed approach is verified using an experimental setup.</p> …

    IEEJ Journal of Industry Applications 6(2), 100-106, 2017

    J-STAGE

  • Advances in Nanoparticle Sizing in Suspensions: Dynamic Light Scattering and Ultrasonic Attenuation Spectroscopy

    Zhou Wu , Su Mingxu , Cai Xiaoshu

    … Methodology principles, models and experimental setup were also reviewed for the latter UAS technology. … The dramatically reduced measurement time in image-based DLS indicates the potential for real-time and in-situ nanoparticle sizing. …

    KONA Powder and Particle Journal 34(0), 168-182, 2017

    J-STAGE

  • Analytical End-to-End PER Performance of Multi-Hop Cooperative Relaying and Its Experimental Verification

    MURATA Hidekazu , MIYAGOSHI Makoto , OISHI Yuji

    … Moreover, to confirm this performance characteristic in an actual setup, an in-lab experiment using a fading emulator was conducted. …

    IEICE Transactions on Communications E100.B(3), 449-455, 2017

    J-STAGE

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