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Electrical demand aggregation effects on the performance of deep learning-based short-term load forecasting of a residential building

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能源与人工智能(英文) 2022年第2期8卷 30-49页

作者： Ayas Shaqour tetsushi ono Aya Hagishima Hooman Farzaneh Interdisciplinary Graduate School of Engineering Sciences Kyushu University6 Chome-1 KasugakoenKasugaFukuoka 816-8580Japan Hitachi Ltd.Research&Development GroupTokyoJapan

Modern power grids face the challenge of increasing renewable energy penetration that is stochastic in nature and calls for accurate demand predictions to provide the optimized power ***,increasing the self-consumption of renewable energy through demand response in households,local communities,and micro-grids is essential and calls for high demand prediction performance at lower levels of demand aggregations to achieve optimal *** many of the recent studies have investigated both macro and micro scale short-term load forecasting(STLF),a comprehensive investigation on the effects of electrical demand aggregation size on STLF is minimal,especially with large sample sizes,where it is essential for optimal sizing of residential micro-grids,demand response markets,and virtual power ***,this study comprehensively investigates STLF of five aggregation levels(3,10,30,100,and 479)based on a dataset of 479 residential dwellings in Osaka,Japan,with a sample size of(159,47,15,4,and 1)per level,respectively,and investigates the underlying challenges in lower aggregation *** deep learning(DL)methods are utilized for STLF and fine-tuned with extensive methodological sensitivity analysis and a variation of early stopping,where a detailed comparative analysis is *** test results reveal that a MAPE of(2.47-3.31%)close to country levels can be achieved on the highest aggregation,and below 10%can be sustained at 30 aggregated ***,the deep neural network(DNN)achieved the highest performance,followed by the Bi-directional Gated recurrent unit with fully connected layers(Bi-GRU-FCL),which had close to 15%faster training time and 40%fewer learnable parameters.

关键词： Bidirectional gated recurrent units Convolutional neural network Deep Neural Networks Recurrent neural network Residential load aggregation Short-term load forecasting

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Importance of early detection of esophageal cancer before the tumor progresses too much for effective treatment

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World Journal of Gastrointestinal Oncology 2024年第8期16卷 3382-3385页

作者： Takashi ono Radiation Oncology Faculty of MedicineYamagata UniversityYamagata 990-9585Japan

This editorial comments on an article by Qu et al published in the World Journal of Gastrointestinal *** focuses on the importance of early detection of esophageal cancer,including recurrence or secondary malignancy after chemoradiotherapy(CRT).Endoscopic resection is the first choice for treatment for esophageal cancer remaining within the mucous membrane,while surgery or radical CRT are treatment options for advanced stages depending on the patient’s general condition and *** these treatments are potentially curative,they are more invasive than endoscopic ***-stage esophageal cancer is often asymptomatic and difficult to *** periodic endoscopy is *** less burdensome tests exist,including liquid biopsy and urinary biomarkers,these have not yet been widely used in clinical *** detection is important after radical CRT because the local recurrence rate is higher than that after ***,endoscopic resection or photodynamic therapy is indicated if detected in the early stages,and positive results have been *** detection of esophageal cancer is *** is the main diagnostic method;however,new and less burdensome methods should be established to ensure early treatment for patients with esophageal cancer.

关键词： Esophageal neoplasms Screening Endoscopy Prognosis Endoscopic mucosal resection Endoscopic submucosal dissection Photodynamic therapy

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Benefits of endoscopic gallbladder stenting following percutaneous transhepatic gallbladder drainage

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World Journal of Gastrointestinal Surgery 2024年第9期16卷 2902-2909页

作者： Fumitaka Niiya Naoki Tamai Masataka Yamawaki Jun Noda tetsushi Azami Yuichi Takano Fumiya Nishimoto Masatsugu Nagahama Division of Gastroenterology Department of Internal MedicineShowa University Fujigaoka HospitalYokohama 227-8501KanagawaJapan

BACKGROUND Endoscopic transpapillary gallbladder drainage is challenging because of the complexity of the procedure and high incidence of adverse events(AEs).To overcome these problems,endoscopic gallbladder stenting(EGBS)after percutaneous transhepatic gallbladder drainage(PTGBD)can be effective,as it mitigates inflammation and *** To examine the benefits of EGBS after PTGBD to assess its efficacy and impact on *** We retrospectively analyzed data from 35 patients who underwent EGBS after PTGBD at a single center between January 2016 and December *** primary outcomes were technical success and AEs,and the rate of recurrent cholecystitis was *** addition,the reasons for the failure of the procedure were *** Among the 35 patients,the technical success rate was 77.1%and the final contrast of the cystic duct was successful in 97.1%of *** incidence of early AEs was relatively low(11.4%),with no instances of cystic duct *** rate of recurrent cholecystitis was 3.7%,and no other biliary events were *** EGBS after PTGBD may be significantly beneficial,with a substantial success rate and minimal AEs in both short-and long-term follow-ups.

关键词： Endoscopy Gallbladder Stents Drainage Adverse events Cholecystitis Follow-up Cystic duct

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Correlation between dose-volume parameters and rectal bleeding after 12 fractions of carbon ion radiotherapy for prostate cancer

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World Journal of Radiology 2024年第7期16卷 256-264页

作者： Takashi ono Hiraku Sato Yuya Miyasaka Yasuhito Hagiwara Natsuko Yano Hiroko Akamatsu Mayumi Harada Mayumi Ichikawa Department of Radiation Oncology Faculty of MedicineYamagata UniversityYamagata 990-9585Japan Department of Heavy Particle Medical Science Yamagata University Graduate School of Medical ScienceYamagata 990-9585Japan

BACKGROUND Carbon ion radiotherapy(CIRT)is currently used to treat prostate *** bleeding is a major cause of toxicity even with ***,to date,a correlation between the dose and volume parameters of the 12 fractions of CIRT for prostate cancer and rectal bleeding has not been ***,the clinical risk factors for rectal bleeding were absent after 12 fractions of *** To identify the risk factors for rectal bleeding in 12 fractions of CIRT for prostate *** Among 259 patients who received 51.6 Gy[relative biological effectiveness(RBE)],in 12 fractions of CIRT,15 had grade 1(5.8%)and nine had grade 2 rectal bleeding(3.5%).The dose-volume parameters included the volume(cc)of the rectum irradiated with at least x Gy(RBE)(Vx)and the minimum dose in the most irradiated x cc normal rectal volume(Dx).RESULTS The mean values of D6cc,D2cc,V10 Gy(RBE),V20 Gy(RBE),V30 Gy(RBE),and V40 Gy(RBE)were significantly higher in the patients with rectal bleeding than in those *** cutoff values were D6cc=34.34 Gy(RBE),D2cc=46.46 Gy(RBE),V10 Gy(RBE)=9.85 cc,V20 Gy(RBE)=7.00 cc,V30 Gy(RBE)=6.91 cc,and V40 Gy(RBE)=4.26 *** D2cc,V10 Gy(RBE),and V20 Gy(RBE)cutoff values were significant predictors of grade 2 rectal *** The above dose-volume parameters may serve as guidelines for preventing rectal bleeding after 12 fractions of CIRT for prostate cancer.

关键词： Carbon ion radiotherapy Prostate cancer Rectal bleeding Dose volume parameters Prevention

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Current perspectives of viral

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World Journal of Gastroenterology 2024年第18期30卷 2402-2417页

作者： Daisuke Usuda Yuki Kaneoka Rikuo ono Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Eri Nakajima Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa Yuta Hotchi Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Tomohisa Nomura Manabu Sugita Department of Emergency and Critical Care Medicine Juntendo University Nerima HospitalNerima 177-8521TokyoJapan Department of Sports Medicine Faculty of MedicineJuntendo UniversityBunkyo 113-8421TokyoJapan

Viral hepatitis represents a major danger to public health,and is a globally leading cause of *** five liver-specific viruses:Hepatitis A virus,hepatitis B virus,hepatitis C virus,hepatitis D virus,and hepatitis E virus,each have their own unique epidemiology,structural biology,transmission,endemic patterns,risk of liver complications,and response to antiviral *** remain few options for treatment,in spite of the increasing prevalence of viral-hepatitiscaused liver ***,chronic viral hepatitis is a leading worldwide cause of both liver-related morbidity and mortality,even though effective treatments are available that could reduce or prevent most patients’*** 2016,the World Health Organization released its plan to eliminate viral hepatitis as a public health threat by the year 2030,along with a discussion of current gaps and prospects for both regional and global eradication of viral ***,treatment is sufficiently able to prevent the disease from reaching advanced ***,future therapies must be extremely safe,and should ideally limit the period of treatment necessary.A better understanding of pathogenesis will prove beneficial in the development of potential treatment strategies targeting infections by viral *** review aims to summarize the current state of knowledge on each type of viral hepatitis,together with major innovations.

关键词： Hepatitis A virus Hepatitis B virus Hepatitis C virus Hepatitis D virus Hepatitis E virus Current perspectives

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Concept Study of a Self-localization System for Snow-covered Roads Using a Four-layer Laser Scanner

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Automotive Innovation 2019年第2期2卷 110-120页

作者： tetsushi Mimuro Naoya Taniguchi Hiroyuki Takanashi Faculty of Systems Science and Technology Akita Prefectural University84-4 EbinokuchiYurihonjoAkita 015-0055Japan Graduate School of Systems Science and Technology Akita Prefectural University84-4 EbinokuchiYurihonjoAkita 015-0055Japan College of Engineering Nihon University1 NakagawaraTokusadaTamuramachiKoriyamaFukushima 963-8642Japan

Many advanced driver assistance systems have entered the market,and automated driving technologies have been *** of them may not work in adverse weather conditions.A forward-looking camera,for example,is the most popular system used for lane detection but does not work for a snow-covered *** present paper proposes a self-localization system for snowy roads when the roadsides are covered with *** system employs a four-layer laser scanner and onboard sensors and uses only pre-existing roadside snow poles provided for drivers in a snowy region without any other road *** the landscape greatly changes in a short time during a snowstorm and snow removal works,it is necessary to restrict the landmarks used for self-localization to tall objects,like snow poles.A system incorporating this technology will support a driver’s efforts to keep to a lane even in a heavy snowstorm.

关键词： Advanced driver assistance systems Adverse weather Laser scanner Self-localization system

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Evaluation of the Effectiveness of Awareness Messages for Road Traffic Hazards in Experimental Tests

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Automotive Innovation 2018年第1期1卷 76-84页

作者： Ai Takeda Makoto Kondo tetsushi Mimuro Graduate School of Systems Science and Technology Akita Prefectural University84-4 EbinokuchiYurihonjoAkita 015-0055Japan Akita Prefectural University 84-4 EbinokuchiYurihonjoAkita 015-0055Japan

Advanced driver assistance systems, especially autonomous emergency braking and forward collision warnings, have becomepopular in Japan. To reduce the number of road traffic accidents, safety information should be provided to a driver earlier thanavoidance or warning messages so as to avoid a risky situation. A series of actual running tests was conducted to evaluate theactivation timing and effectiveness of awareness messages. Objective analysis showed that the drivers could avoid an obstaclewith a sufficient safety margin thanks to any of the awareness messages. Subjective ratings showed that the best timing is 10 sbefore encountering the obstacle. The results of objective analysis are limited in the present paper, and further analyses arerequired.

关键词： Active safety Advanced driver assistance systems Awareness message Onboard information system Traffic hazard

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Ultrafast reorientation of the Néel vector in antiferromagnetic Dirac semimetals

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npj Computational Materials 2021年第1期7卷 1562-1568页

作者： Atsushi ono Sumio Ishihara Department of Physics Tohoku UniversitySendai 980-8578Japan

Antiferromagnets exhibit distinctive characteristics such as ultrafast dynamics and robustness against perturbative fields,thereby attracting considerable interest in fundamental physics and technological ***,it was revealed that the Néel vector can be switched by a current-induced staggered(Néel)spin-orbit torque in antiferromagnets with the parity-time symmetry,and furthermore,a nonsymmorphic symmetry enables the control of Dirac ***,the real-time dynamics of the magnetic and electronic structures remain largely ***,we propose a theory of the ultrafast dynamics in antiferromagnetic Dirac semimetals and show that the Néel vector is rotated in the picosecond timescale by the terahertz-pulse-induced Néel spin-orbit torque and other torques originating from magnetic *** reorientation accompanies the modulation of the mass of Dirac fermions and can be observed in real time by the magneto-optical *** results provide a theoretical basis for emerging ultrafast antiferromagnetic spintronics combined with the topological aspects of materials.

关键词： materials Dirac metals

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On large scale CFD-DEM simulation for gas-liquid-solid,three-phase flows

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Particuology 2021年第6期19卷 2-15页

作者： Kimiaki Washino Ei L.Chan tetsushi Kaji Yoshiaki Matsuno Toshitsugu Tanaka Department of Mechanical Engineering Osaka UniversitySuitaOsaka 565-0871Japan

Particulate flows in a mixture of gas and liquid,***-liquid-solid three-phase flows,are frequently encountered both in nature and *** such flows,complex interactions between multiple phases,***-particle interactions,fluid-particle interactions and interfacial interactions(such as surface tension and particle wetting),play a crucial *** literature,simulations of three-phase flows are sometimes performed by incorporating interface capturing methods(*** method)into the CFD-DEM coupling ***,it is practically impossible to perform large(industrial)scale simulation because of the high computational *** of the strategies often employed to reduce the computational cost in CFD-DEM is to upscale particle size,which is applied mainly to particle single-phase and fluid-solid two-phase *** present work is focused on the scaled-up particle model for gas-liquid-solid three-phase *** interaction forces between multiple phases are scaled using the general criteria derived from the continuum assumption of particulate flow.A colour function based interface-capturing method with improved interface smoothness is developed,and the diffusion based coarse graining is employed to ensure sufficient space resolution in CFD even when particle size is *** is shown that the model developed is capable of predicting the both particles and fluid behaviour in the original system.

关键词： CFD-DEM Three-phase flow Scaled-up particle Surface tension and wetting

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Influence of oxygen flow rate and compost addition on reduction of organic matter in aerated waste layer containing mainly incineration residue

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Journal of Environmental Sciences 2013年第1期25卷 53-58页

作者： Hiroshi Asakura Kei Nakagawa Kazuto Endo Masato Yamada Yusaku ono Yoshiro ono Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521Japan National Institute for Environmental Studies Onogawa 16-2TsukubaIbaraki 305-8506Japan Nippon Institute of Technology 4-1 GakuendaiMiyashiro-machiMinamisaitama-gunSaitama 345-8501Japan Kyoto Institute of Technology MatsugasakiSakyo-kuKyoto 606-8585Japan

Landfilling municipal solid waste incineration （MSWI） residue alkalizes the waste layer, causing a subsequent decrease in microbial activity and a delay in the decomposition of organic matter. In this study, efficiencies of neutralization of the leachate and organic matter decomposition in the waste layer in a column filled with MSWI residue using aeration and compost addition were evaluated. Total organic carbon （TOC） reduction in the waste layer is large at high oxygen flow rate （OFR）. To effectively accelerate TOC reduction in the waste layer to which compost was added, a high OFR exceeding that by natural ventilation was required. At day 65, the pH of the leachate when OFR was above 102 mol-O2/（day.m3） was lower than that when OFR was below 101 mol-Oz/（day.m3）. At the same OFR, the pH of waste sample was lower than that of waste sample with compost. Although leachate neutralization could be affected by compost addition, TOC reduction in the waste layer became rather small. It is possible that humic substances in compost prevent the decomposition of TOC in MSWI residue.

关键词： waste landfill aeration neutralization acceleration of stabilization

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