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Potassium Phosphate Recovery from Incinerated Ash of Sewage Sludge

材料科学与工程（中英文B版） 2017年第4期7卷 149-154页

作者： Masaaki takahashi yukimasa Takemoto Eiji yuki Koichi Seno Faculty of Environmental and Information Science Yokkaichi University Yokkaichi 512-8512 Japan Mie Chuo Kaihatsu Co. Ltd Hachiya 4713 Iga Mie 518-1152 Japan

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Preface of the Special Issue: Queueing Systems and Engineering Applications

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Journal of Systems Science and Systems Engineering 2019年第2期28卷 129-131页

作者： Wuyi Yue Yutaka takahashi Department of Intelligence and Informatics Konan University Kobe 658-8501 Japan Graduate School of Informatics Kyoto University Kyoto 606-8501 Japan

This volume of the Journal of Systems Science and Systems Engineering is devoted to the extended versions of papers selected and presented at the 12th International Conference on Queueing Theory and Network Applicatio... 详细信息

关键词： Systems 12th Applications

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Chrono-exercise: Time-of-day-dependent physiological responses to exercise

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运动医学与健康科学(英文) 2023年第1期5卷 50-58页

作者： Hyeon-Ki Kim Zsolt Radak Masaki takahashi Takayuki Inami Shigenobu Shibata Research Center for Molecular Exercise Science University of Physical EducationBudapestHungary Institute of Physical Education Keio UniversityYokohamaJapan Chrono-nutrition Research Center Waseda UniversityTokyoJapan Institute for Liberal Arts Tokyo Institute of TechnologyTokyoJapan Faculty of Science and Engineering Waseda UniversityJapan

Exercise is an effective strategy to prevent and improve obesity and related metabolic *** increases the metabolic demand in the *** many of the metabolic health benefits of exercise depend on skeletal muscle adaptations,exercise exerts many of its metabolic effects through the liver,adipose tissue,and ***,exercise is the physiological state in which inter-organ signaling is most *** contrast,circadian rhythms in mammals are associated with the regulation of several physiological and biological functions,including body temperature,sleep-wake cycle,physical activity,hormone secretion,and metabolism,which are controlled by clock *** and lipid tolerance reportedly exhibit diurnal variations,being lower in the evening than in the ***,the effects of exercise on substrate metabolism at different times of the day may *** this review,the importance of exercise timing considerations will be outlined,incorporating a chrono-exercise perspective.

关键词： Chrono-exercise Exercise timing Inter-organ communication Circadian rhythm Energy metabolism

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Challenges for beyond 5G:ultra-densification of radio access network

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通信学报 2020年第11期41卷 1-11页

作者： Fumiyuki Adachi Ryo takahashi Hidenori Matsuo Research Organization of Electrical Communication Tohoku UniversitySendai 980-8577Japan

Ultra-densification of radio access network(RAN)is a key to efficiently support the exponentially growing mobile data traffic in 5 G ***,extremely high frequency band like mm Wave band was utilized to solve the bandwidth shortage ***,untra-dense reusing the same radio resource produced severe *** the mm Wave link was very harsh due to frequent blockage by *** a new RAN architecture needed to be introduced to realize ultra-reliable communications in such a severe radio propagation *** architecture of distributed MIMO based RAN was ***,enhanced interference coordination(e IC)was ***,the effectiveness of distributed MIMO based RAN with e IC by computer simulation was showed.

关键词： 5G advanced systems distributed MIMO radio access network interference coordination cooperative signal transmission

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Progress of ulcerative colitis patients during the COVID-19 pandemic

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世界临床病例杂志 2023年第23期11卷 5462-5467页

作者： Toshikuni Suda Morio takahashi Yasumi Katayama Koichi Soga Ikuhiro Kobori Yumi Kusano Masaya Tamano Division of Gastroenterology Dokkyo Medical University Saitama Medical CenterSaitama 343-8555Japan Division of Gastroenterology Morio ClinicSaitama 343-0808Japan

BACKGROUND We have previously demonstrated that the first wave of the coronavirus disease 2019(COVID-19)pandemic caused exacerbations in ulcerative colitis(UC)patients,probably through psychological and physical ***,successive waves of the COVID-19 pandemic continuously followed the *** effects of this chronic stress on the disease condition in UC patients are of *** To clarify the effect of chronic stress from COVID-19 on disease condition in patients aggravated after the first *** Our previous study investigated 289 consecutive UC outpatients treated in one center during March and April 2020,the period of the first wave of the COVID-19 *** this study,an identical group of 289 UC patients was evaluated using UC-disease activity index(UC-DAI),endoscopic mucosal appearance score,and Matts pathological grade *** Of the 289 UC patients included in the study in 2020,10 patients dropped out as of 2021 and another 11 patients dropped out as of 2022,making three groups for 2020,2021 and *** significant differences in characteristics were found among the three ***-DAI scores had aggravated during the period of the first wave of the COVID-19 pandemic,but significantly recovered in 2021 and remained stable in *** grade scores significantly recovered in 2021 from those in 2020 and remained stable in *** Disease activity of UC patients recovered in 2021 and remained stable in 2022,aggravated by the stress of the first wave of COVID-19 in 2020 despite persistence of the pandemic.

关键词： Ulcerative colitis COVID-19 Exacerbation Stress Ulcerative colitis disease activity index Matts grade

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Effect of Thermal Shrinkage of Extruded Sheet on Mouthguard Thickness: Influence of Model Undercut

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Materials Sciences and Applications 2022年第1期13卷 54-62页

作者： Mutsumi takahashi Yogetsu Bando Department of Physiology The Nippon Dental University School of Life Dentistry at Niigata Niigata Japan BANDO Dental Clinic Ishikawa Japan

The effectiveness and safety of the mouthguard are greatly affected by its thickness. The aim of this study was to investigate the effect of thermal shrinkage of the extruded sheet on the mouthguard thickness depending on the amount of undercut of the model. Mouthguard sheet was used a 4.0 mm thick ethylene-vinyl acetate resin manufactured by extrusion molding. The sheets were placed in the vacuum forming machine with the sheet extrusion direction either vertical (condition V) or parallel (condition P) to the model’s centerline. The working models were three hard plaster models trimmed so that the angles of the anterior teeth to the model base were 90?, 100?, and 110? (Models A, B, and C). The sheet was softened until it sagged 15 mm, and then suction was continued for 30 s. Measurement points of the mouthguard were the incisal portion (incisal edge and labial surface) and molar portion (cusp and buccal surface). The differences in the reduction rate of the thickness due to model form and extrusion direction were analyzed using two-way ANOVA and Bonferroni’s multiple comparison tests. Differences in thickness depending on the extrusion direction of the sheet were observed in Models B and C on the labial surface and in all models on the buccal surface, and the thicknesses obtained under condition P were significantly thinner than those obtained under condition V. The thicknesses of the incisal edge and the cusp were not affected by the extrusion direction. The result of this study was suggested that the labial and buccal thickness of the mouthguard was secured by placing the sheet in the extrusion direction vertical to the model’s centerline. Furthermore, it was clarified that the presence of the undercut of the model tends to increase the influence of the extrusion direction of the sheet on the thickness of the mouthguard.

关键词： Mouthguard Extrusion Molding Thickness Model Angle Undercut

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Dependence of Thermoformed Mouthguard Thickness on Model Height in Single-Layer and Laminated Mouthguards

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Materials Sciences and Applications 2022年第8期13卷 469-478页

作者： Mutsumi takahashi Yogetsu Bando Department of Physiology The Nippon Dental University School of Life Dentistry at Niigata Niigata Japan BANDO Dental Clinic Ishikawa Japan

The height of the working model affects the mouthguard thickness. The aim of this study was to clarify the difference in the effect of model height on the thickness between single- and double-layered mouthguards. Mouthguards were thermoformed using ethylene-vinyl-acetate sheets and a pressure molding machine. Working models were three hard gypsum models with the height of the anterior part trimmed to 25 mm (model A), 30 mm (model B), and 35 mm (model C). Three molding conditions were compared: a single-layered mouthguard using a 4.0-mm thick-sheet (S4);a double-layered mouthguard using a 3.0-mm-thick sheet on the first-layer and a 2.0-mm-thick sheet on the second-layer (L32);and a double-layered mouthguard using 3.0-mm-thick sheets on first- and second-layers (L33). Analysis was performed by two-way ANOVA and a simple main effect test for the differences in the mouthguard thickness depending on the model height and the molding condition. Under all molding conditions, the labial and buccal thicknesses tended to become thinner as the model height increased, and models B and C were thinner by about 6% - 7% and about 14% - 16% than model A, respectively. The cusp thickness was not affected by the model height in L32 and L33, but in S4, models B and C were thinner about 14% or more than model A. Significant differences were observed among molding conditions, and S4 P < 0.01). This study suggested that the degree of the decrease in mouthguard thickness due to the increase the model height was similar for the single- and double-layered mouthguards on the labial and buccal sides, and increasing the model height by 5 mm and 10 mm decreased the thickness by about 6% - 7% and about 14% - 16%, respectively. At the cusp, only the single-layered mouthguard was affected by the model height.

关键词： Mouthguard Thermoforming Thickness Working Model

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Fragmented QRS complex with an additional R-wave attenuated by short RR interval in a patient with acute pulmonary embolism and cardiogenic shock

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Journal of Geriatric Cardiology 2022年第12期19卷 995-1000页

作者： Koji takahashi Hiromasa Nakahara Eiji Arimitsu Satoshi Imamine Yoshiyasu Obata Kimio Nakanishi Yoshiyasu Taniguchi Maiko Amano Chika Omori Takafumi Okura Department of Community Emergency Medicine Ehime University Graduate School of MedicineEhimeJapan Department of Cardiology Yawatahama City General HospitalEhimeJapan Department of Internal Medicine Oozu City HospitalEhimeJapan Department of Clinical Laboratory Oozu City HospitalEhimeJapan

Registries and hospital discharge datasets of unselected patients with pulmonary embolism show 30-day all-cause mortality rates of approximately 10%.[1]Clinical findings from histories and physical examinations,such as age,systemic blood pressure,and respiratory rate at presentation,classify patients into risk classes of increasing risk of death and other adverse medical outcomes.

关键词： mortality patients Clinical

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Numerical analysis of interaction between solute atom and extended dislocation using force multipoles

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Journal of Central South University 2014年第8期21卷 3000-3006页

作者： Hiroaki Morita Akiyuki takahashi Department of Mechanical Engineering Faculty of Science and TechnologyTokyo University of Science

The interaction between a solute atom and an extended dislocation was investigated using a continuum approximation method with force *** dislocation core structure of extended dislocation was modeled with the Peierls-Nabarro model discretized with a number of infinitesimal Volterra *** interaction energy and force between a nickel solute atom and perfect and extended dislocation in copper were successfully calculated using the force *** results clearly show that the core structure of extended dislocation weakens the interaction with solute *** interaction energy and force for extended dislocations are almost the half of those for perfect dislocations.

关键词：溶质原子数值分析多极相互作用能 Volterra 扩展位错错位近似方法

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Zircon within chromitite requires revision of the tectonic history of the Eoarchean Itsaq Gneiss complex,Greenland

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Geoscience Frontiers 2023年第6期14卷 273-285页

作者： Hikaru Sawada Tomoaki Morishita Adrien Vezinet Richard Stern Kenichiro Tani Ikuya Nishio Kanta takahashi D.Graham Pearson Kristoffer Szilas Department of Earth System Science University of ToyamaToyamaJapan X-Star Japan Agency for Marine-Earth Science and Technology(JAMSTEC)KanagawaJapan Faculty of Geosciences and Civil Engineering Kanazawa UniversityKanazawaJapan Lamont-Doherty Earth Observatory Columbia UniversityPalisadesUSA Volcanoes and Earth’s Interior Research Center JAMSTECKanagawaJapan Department of Earth and Atmospheric Sciences University of AlbertaEdmontonCanada Canadian Centre for Isotopic Microanalysis University of AlbertaEdmontonCanada National Museum of Nature and Science TsukubaJapan Department of Geosciences and Natural Resource Management University of CopenhagenCopenhagenDenmark

The Ujaragssuit Nunat layered(UNL)unit in the Itsaq Gneiss Complex,west Greenland,has been consid-ered to contain one of the oldest chromitites on Earth based on~ca.4.1 Ga Hadean whole rock Pt-Os model ages and ca.3.81 Ga zircon U-Pb age of the surrounding *** study obtained zircon from the chromitite within this unit as well as granitoid sheets that intruded into the UNL ***-situ U-Pb-Hf-O isotope measurements were made on the *** from both the chromitite and the intrusive granitoids show concordant U-Pb ages of ca.2.97-2.95 *** contrast,Hf and 0 isotopic anal-yses indicate that zircons in the chromitites have a different origin from those in the intrusive *** from granitoids yielded Th/U ratios higher than 0.2,initial Hf isotope ratios of 0.2805-0.2807(i.e,initial:Hf value of-11 to-5),andδ^(18)O values of mostly 6.0‰-7.0‰,which are typical for felsic igneous rocks in Archean continental *** least altered zircons from a chromitite exhibited initial Hf isotope ratios of 0.28078-0.28084(i.e.,initial:Hf value of-1.1 to-0.4),close the chondritic value at ca.3.0 Ga and the depleted mantle at ca.3.2 *** zircons also haveδ^(18)O values of 4.2‰6.1‰which correspond to typical mantle *** other chromitite zircons yielded Th/U ratios lower than 0.1,and Hf and 0 isotopic compositions ranging between the least altered zircons and the intrusive granitoid *** results indicate that the zircons in the chromitites crystallized before or during the 2.97-2.95 Ga granitoid intrusion and most of the zircons were altered by subsequent ***,the present results suggest that zircons in the chromitites originally had depleted Hf iso-topic compositions at ca.3.2-3.0 *** can be explained by two different models of the evolution of the UNL *** is that if the UNL unit was formed at>3.81 Ga as previously thought,with the zircons in the chromitites subsequently being precipitated by ca.3.2-2.95 G

关键词： Archean Itsaq gneiss complex Ultramafic rock Metasomatism

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