検索結果 876件中 1-20 を表示

  • 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

  • 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

  • マイクロ波放電式イオンスラスタにおける 放電室分割による推進性能への影響

    月崎 竜童 , 山本 雄大 , 細田 聡史 , 西山 和孝 , 國中 均

    … Connection of a high voltage power supply is selectable among each component independently, and maximum beam currents are measured in all six cases in addition to the nominal setup. … At this time, the potential of the isolated magnet spacers is increased from 1500V to 1525V. …

    日本航空宇宙学会論文集 65(1), 17-20, 2017

    J-STAGE

  • Single Camera Vehicle Localization Using Feature Scale Tracklets

    WONG David , DEGUCHI Daisuke , IDE Ichiro , MURASE Hiroshi

    … GPS localization in urban environments may not be reliable enough for automated driving systems, and various combinations of range sensors and inertial navigation systems are often too complex and expensive for a consumer setup. … For image feature-based localization methods, matching of many features against candidate database images is time consuming, and database sizes can become large. …

    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E100.A(2), 702-713, 2017

    J-STAGE

  • Towards Practical Store-Carry-Forward Networking: Examples and Issues

    TSURU Masato , TAKAI Mineo , KANEDA Shigeru , Agussalim , AINA TSIORY Rabenirina

    … Three requisite techniques in this scenario are highlighted - fast link setup, millimeter wave communications, and use of multiple links. …

    IEICE Transactions on Communications E100.B(1), 2-10, 2017

    機関リポジトリ J-STAGE

  • Scattering effect on entanglement propagation in RCFTs

    Numasawa Tokiro

    … In our setup, we consider the time evolution of excited states created by the insertion of many local operators. …

    Journal of High Energy Physics 2016, 2016-12

    機関リポジトリ DOI

  • High-Acquisition-Rate Single-Shot Pump-Probe measurements using Time-Stretching method

    Katayama Ikufumi , Johnson Jeremy A. , Takeda Jun , Ellsworth Nicholas R. , Salmans Parker D. , Johnson Courtney L. , Minami Yasuo , Kobayashi Masataka

    … Recent advances of ultrafast spectroscopy allow the capture of an entire ultrafast signal waveform in asingle probe shot, which greatly reduces the measurement time and opens the door for the spectroscopyof unrepeatable phenomena. … However, most single-shot detection schemes rely on two-dimensionaldetectors, which limit the repetition rate of the measurement and can hinder real-time visualizationand manipulation of signal waveforms. …

    Scientific Reports 6(37614), 2016-11-23

    機関リポジトリ DOI

  • Out-of-time-ordered correlators and purity in rational conformal field theories

    Caputa Paweł , Numasawa Tokiro , Veliz-Osorio Alvaro

    … First, we derive a formula for the late time value of the out-of-time-ordered correlators for this class of theories. … Next, in the explicit setup of an SU(N)kSU(N)k Wess–Zumino–Witten model, we compare the late time behavior of the out-of-time-ordered correlators and the purity. … in contrast, the out-of-time-ordered correlators remain, in general, nonvanishing. …

    Progress of Theoretical and Experimental Physics 2016(11), 2016-11

    機関リポジトリ DOI

ページトップへ