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diabetes, Obesity and Metabolism 2018年第7期20卷 i-i页

作者： Hoe-Yune Jung Phd Bobae Kim MS Hye Guk ryu MS Yosep Ji Phd Soyoung Park Phd Seung Hee Choi Phd dohyun Lee Phd In-Kyu Lee Md Munki Kim Phd You Jeong Lee Md Woojin Song Phd Young Hee Lee BS Hyung Jin Choi Md Chang-Kee Hyun Phd Wilhelm H Holzapfel Phd Kyong-Tai Kim Phd Department of Integrative Biosciences and Biotechnology Pohang University of Science and Technology (POSTECH) Pohang Republic of Korea R&D Center NovMetaPharma Co. Ltd. Pohang Republic of Korea Department of Advanced Green Energy and Environment Handong Global University Pohang Republic of Korea School of Life Science Handong Global University Pohang Republic of Korea Department of Life Sciences Pohang University of Science and Technology (POSTECH) Pohang Republic of Korea Department of Internal Medicine School of Medicine Kyungpook National University Kyungpook National University Hospital Daegu Republic of Korea Department of Internal Medicine Kyungpook National University School of Medicine Daegu Republic of Korea Leading-Edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease Kyungpook National University Hospital Daegu Republic of Korea Bio Convergence Team Advanced Bio Convergence Center Pohang Republic of Korea Academy of Immunology and Microbiology Institute for Basic Science (IBS) Pohang Republic of Korea Functional Neuroanatomy of Metabolism Regulation Laboratory Department of Anatomy Division of Internal Medicine Seoul National University College of Medicine Seoul Republic of Korea

The cover image, by Hoe-Yune Jung, et al., is based on the Original Article Amodiaquine improves insulin resistance and lipid metabolism in diabetic model mice , dOI: 10.1111/dom.13284 .

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Post Cleaning and defect reduction for Tungsten Chemical Mechanical Planarization

Post Cleaning and Defect Reduction for Tungsten Chemical Mec...

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International Conference on Planarization/CMP technology

作者： Wei-Tsu Tseng James Hagan Kaushik Mohan ricky Hull James Macdougall richard Murphy Steven Molis Leo Tai GlobalFoundries Advanced Technology Development Hopewell Junction NY USA Advanced Technology Development GlobalFoundries Hopewell Junction NY 12533 USA Semiconductor R&D Center IBM Hopewell Junction NY USA

Effects of clean chemical pH on Pr/FM and HM defects for W-CMP are examined. Oxalic acid, dIW, and a QAC-based basic chemicals are evaluated for their Pr/FM cleaning performance and hollow metal generation. Basic clean chemistry is demonstrated to be more efficient for Pr/FM removal but more prone to HM defects. AFM and XPS surface analyses conducted on post W-CMP wafers help discern the cleaning mechanism for W-CMP.

关键词： W CMP rMG Post cleaning

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deploying traditional and smartphone app survey methods in measuring door-to-door travel satisfaction in eight European cities

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Transportation research Procedia 2017年 25卷 2257-2275页

作者： Yusak O. Susilo Andree Woodcock Fotis Liotopoulos Andre duarte Jane Osmond roberto F. Abenoza Lucian Emanuel Anghel dolores Herrero Federico Fornari Virginie Tolio Eileen O'Connell Ieva Markucevičiūtė Chrysoula Kritharioti Miriam Pirra KTH Royal Institute of Technology Department of Transport Science Teknikringen 10 Stockholm 10044 Sweden Coventry University School of art and design Priory Street Coventry CV1 5FB United Kingdom SBoing Athanassiou Diakou 8 Diavata - Ionia Thessaloniki 57008 Greece VTM - Consultores em engenharia e planeamento lda Ed. Central Plaza - Av. 25 de Abril de 1974 23 - 2ºA Linda-a-Velha 2795 – 197 Portugal Integral Consulting R&D Popa Soare Nr 16 Sector 2 Bucharest Romania ITENE- Instituto Tecnológico del Embalaje Transporte y Logística C/ Albert Einstein 1 Paterna 46980 Spain Eurokleis S.R.L. Via Romeo Romei 27 Roma 00136 Italy FIA – Federation Internationale de I’Automobile Rue de la Science 41 Brussels 1040 Belgium Interactions Ltd Unit 2 Beach Court Kilcoole Co. Wicklow Ireland Smart Continent Ltd Kareivių g. 19 Vilnius 09133 Lithuania Regional Development Agency of Grevena K. Taliadouri 16 str. GR - 51100 Grevena Greece Politecnico di Torino DIATI -Dipartimento di Ingegneria dell’Ambiente del Territorio e delle Infrastrutture Turin Italy

This study describes the lessons learned from designing, deploying and analysing the results from different travel satisfaction survey tools which measures the travellers’ door-to-door travel satisfaction. The travel satisfaction measurement survey tools tested consisted of two types of smartphone applications (a satellite navigation app and a game app), an on-line survey, a paper-based semi-structured questionnaire and a focus group questionnaire. Each of the measurement tools comprised the same set of basic questions, but in different formats, aimed at exploring the pros and cons of each tool among different groups of travellers. The data collection was carried out at eight different European cities and five FIA motorist networks. 5,275 valid responses were gathered from the survey. Further analysis results show that different survey methods performed better in different sites. The satisfaction that was gathered via main trip leg does not necessarily correspond with overall satisfaction of the door-to-door journey. The results of this study highlight the need for more inclusive, complete, door-to-door, travel survey measurements.

关键词： door-to-door journey travel satisfaction multimodal measurement smartphone app survey on-line survey paper-based survey

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design of an inverse metal only reflectarray antenna for millimeter wave application

Design of an inverse metal only reflectarray antenna for mil...

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International Workshop on Antenna technology: Small Antennas and Novel Metamaterials, iWAT

作者： Woosang Lee Minwoo Yi Jong Won Yang Joonho So Young Joong Yoon Institute of Advanced R&D Technology Agency for Defense Development Daejeon Korea School of Electrical and Electronic Engineering Yonsei University Seoul Korea

An inverse metal only reflectarray antenna consisting of multiple variable height conducting cells is designed at millimeter wave frequency. All reflecting elements are only made up of metal so that there is no dielectric loss in the antenna. Simulation result shows that the radiation efficiency of designed antenna is comparable with conventional parabolic reflector.

关键词： reflector antennas Metals Millimeter wave technology Antenna radiation patterns Conductors dielectric losses

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Study about Si wafer (mother) material for high speed LPT-CSTBT™ based on electrical and physical analysis

Study about Si wafer (mother) material for high speed LPT-CS...

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International Symposium on Power Semiconductor devices and Ics (ISPSd)

作者： Kazutoyo Takano Akira Kiyoi Tadaharu Minato Power Device Design & Development Department MELCO Semiconductor Engineering Corporation Fukuoka Japan Eco-materials and Material Analysis Department Advances Technology R&D Center Amagasaki Hyogo Japan Power Device Development Department Mitsubishi Electric Corporation Power Device Works Fukuoka Japan

In the IGBT as bipolar silicon power device, it is widely used a carrier lifetime control technique, i.e. an inducing a carrier trap level within the silicon band gap by an electron beam irradiation with a post thermal annealing. Sometimes, the electrical characteristics tend to change after the long term usage at high current density, because dC current stress of the high current density affects as if annealing out process at the high temperature. Hence it is necessary to eliminate several unstable shallow trap levels by thermal annealing in wafer process for maintaining the electrical characteristics stabilities. On the other hand, the trap levels originated in a very small amount of residual carbon (C) and/or oxygen (O) sometimes make the stabilities of electrical characteristics complicated. When we analyze this phenomenon, Photo-Luminescence (PL) is easy to grasp tendencies and is better than Cathode-Luminescence (CL). In this paper, through PL, we investigated silicon wafers of Floating Zone (FZ) and Magnetic Czochralski (MCZ) and studied the relationship between electrical characteristics and residual C &/or O in silicon mother materials which are the different of the diameter and/or the manufacturing methods.

关键词： Annealing Electric variables Carbon Insulated gate bipolar transistors Silicon radiation effects Stress

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A new testing method for investigating the shear-mode fatigue crack growth behavior in hydrogen environment

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Journal of Physics: Conference Series 2017年第1期842卷 012065-012065页

作者： Akaki, Y Matsuo, T Endo, M Nishimura, Y Miyakawa, S Graduate School of Engineering Fukuoka University 8-19-1 Nanakuma Jonan-ku Fukuoka 814-0180 Japan Development of Mechanical Engineering Fukuoka University 8-19-1 Nanakuma Jonan-ku Fukuoka 814-0180 Japan Institute of Materials Science and Technology Fukuoka University 8-19-1 Nanakuma Jonan-ku Fukuoka 814-0180 Japan Materials Engineering R&D Division DENSO CORPORATION Japan 1-1 Syowa-cho Kariya Aichi 448-8661 Japan

Ball bearing is widely used in a variety of machines including the transportation equipments of the automobiles and airplanes. Flaking failure is a common problem for ball bearing and it is caused by shear-mode fatigue crack growth under cyclic shear stress. Further, it is known that the premature flaking is attributed to the combined effect of hydrogen penetration into the material and cyclic shear stress during the operation. Therefore, in order to ensure the integrity of ball bearing, it is necessary to clarify the effect of hydrogen on shear-mode fatigue crack growth behavior, in particular, the threshold behavior. The evaluation of the shear-mode crack growth behavior is not easy because mode I crack branching occurs easily. Our previous studies revealed that it is required to apply static compression in the direction of specimen axis to attain a stable shear-mode fatigue crack growth. In addition, successive hydrogen supply to the specimen is essential for the evaluation of hydrogen effect on the fatigue threshold because hydrogen emits from the specimen during the fatigue test. In other words, the hydrogen-precharging method, commonly used for the research on hydrogen embrittlement, is not appropriate for the evaluation of fatigue threshold. In this study, to solve these problems, we have developed a novel, easy-to-use experimental method to evaluate the threshold behavior of shear-mode fatigue crack in the presence of hydrogen. The fundamental principle of the method is introduced in this paper.

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Microscopic observation of shear-mode fatigue crack growth behavior under the condition of continuous hydrogen-charging

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Journal of Physics: Conference Series 2017年第1期843卷

作者： Y Akaki T Matsuo Y Nishimura S Miyakawa M Endo Graduate School of Engineering Fukuoka University 8-19-1 Nanakuma Jonan-ku Fukuoka 814-0180 Japan Development of Mechanical Engineering Fukuoka University 8-19-1 Nanakuma Jonan-ku Fukuoka 814-0180 Japan Institute of Materials Science and Technology Fukuoka University 8-19-1 Nanakuma Jonan-ku Fukuoka 814-0180 Japan Materials Engineering R&D Division DENSO CORPORATION Japan 1-1 Syowa-cho Kariya Aichi 448-8661 Japan

rolling bearings facilitate the smooth motion of moving mechanical transmission devices substantially reducing the energy loss. However, flaking failure caused in bearings by rolling contact fatigue can crucially deteriorate the integrity of an overall mechanical system composed using bearings. It is understood nowadays that this phenomenon is intimately associated with shear-mode (Mode II and III) fatigue crack growth caused by cyclic shear stress in the presence of large compression. Further, a problem has become of importance that the premature flaking in ball bearings could be caused by the assistance of the penetration of hydrogen into material during the operation. In this study, torsional fatigue test of a bearing steel (JIS SUJ2) was performed by using a newly-developed method of continuous hydrogen-charging. Based on the microscopic observation, it was found that continuous hydrogen-charging had an influence on the shear-mode fatigue crack growth behavior in the high-cycle fatigue regime and reduced the threshold level.

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dengue epidemiology and pathogenesis:images of the future viewed through a mirror of the past

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Virologica Sinica 2015年第5期30卷 326-343页

作者： rashedul Islam Mohammed Salahuddin Md.Salahuddin Ayubi Tahmina Hossain Apurba Majumder Andrew W.Taylor-robinson Abdullah Mahmud-Al-rafat Bio-Resources Technology and Industrial Biotechnology Laboratory Department of Biotechnology and Genetic EngineeringJahangirnagar University Biotechnology and Genetic Engineering Discipline Khulna University School of Medical & Applied Sciences Central Queensland University Research and Development (R&D) Department Incepta Vaccine Limited

Every year, millions of individuals throughout the world are seriously affected by dengue virus. The unavailability of a vaccine and of anti-viral drugs has made this mosquito-borne disease a serious health concern. Not only does dengue cause fatalities but it also has a profoundly negative economic impact. In recent decades, extensive research has been performed on epidemiology, vector biology, life cycle, pathogenesis, vaccine development and prevention. Although dengue research is still not at a stage to suggest definite hopes of a cure, encouraging significant advances have provided remarkable progress in the fight against infection. recent developments indicate that both anti-viral drug and vaccine research should be pursued, in parallel with vector control programs.

关键词： dengue epidemiology pathogenesis dengue vaccine ve

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Capabilities of a New Sample Preparation Method for Probing Polymer Penetration and Localization into Wood Without Embedding

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Microscopy and Microanalysis 2015年第S3期21卷 727-728页

作者： Brian dorvel Praveenkumar Boopalachandran Andrew Bowling Xue Chen Steve King Dow Chemical Company Core R&D- Division of Analytical Sciences Freeport TX U.S.A 77541 Dow Agrosciences Advanced Technology Development Indianapolis IN U.S.A 46268 Dow Chemical Company Industrial Solutions R&D Freeport TX U.S.A 77541

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UV exposure in artificial and natural weathering: A comparative study

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AIP Conference Proceedings 2017年第1期1810卷

作者： A. Heikkilä S. Kazadzis O. Meinander A. Vaskuri P. Kärhä V. Mylläri S. Syrjälä T. Koskela 1Finnish Meteorological Institute R&D / Climate Research P.O. Box 503 FI-00101 Helsinki Finland 2Physicalisch-Meteorologisches Observatorium World Radiation Center Dorfstrasse 33 CH-7260 Davos Dorf Switzerland 3Metrology Research Institute Aalto University P.O. Box 13000 FI-00076 Aalto Finland 4Tampere University of Technology Department of Material Science P.O. Box 589 FI-33101 Tampere Finland 5Independent researcher Helsinki Finland

We report on a study focusing on UV exposure conditions in three different types of chambers used for accelerated ageing of materials. The first chamber is equipped with four 300-W UVA/UVB mercury vapour lamps (Ultra-Vitalux/Osram). The second chamber uses four 40-W UVA fluorescent lamps (QUV-340/Q-Lab). The third chamber is Weather-Ometer Ci3000+ from Atlas with a 4500-W xenon arc lamp. UV irradiance prevailing in each chamber was measured using Bentham dM150 double monochromator spectroradiometer. The results were compared to measurements of solar spectral UV irradiance at Jokioinen, Finland, with a Brewer MkIII double monochromator spectrophotometer. The spectral shapes of the exposing UV radiation in the different chambers were found to notably differ from each other and from the solar UV spectrum. Both spatial inhomogeneities and temporal variability caused by various factors, like the ageing of the lamps, were detected. The effects were found to strongly depend on wavelength of the exposing UV radiation. The findings of this study underline the necessity of careful characterization of the UV exposure conditions provided by the facilities used in accelerated testing of materials.

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