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Asia Conference on Nanoscience and Nanotechnology.Abstracts Book

作者： K.LEE J.-H.NAM y.LEE S.M.CHO C.H.JuNG H.G.CHOI y.-y.JANG y.-u.kwon J.C.SEFERIS J.-D.NAM Department of Poly.er Science ＆ Engineering Department of Poly.er Science ＆ Engineering Department of Chemical Engineering Department of Chemical Engineering Department of Poly.er Science ＆ Engineering.Department of Chemical Engineering School of Sy.tems Management Engineering Department of Chemistry.Sungky.nkwan university SuwonKyunggi 440-746Korea Department of Chemistry.Sungky.nkwan university SuwonKyunggi 440-746Korea Poly.eric Composites Laboratory University of WashingtonSeattleWA 98195-1750USA Department of Poly.er Science ＆ Engineering

＜正＞ In this study. the nano-sized lay.red plates and the hexagonal array. of one-dimensional channels will be presented for the development of cataly.t lay.rs and poly.lectroly.e membranes in direct methanol fuel cell （DMFC） applications. The positively.charged lay.red double hy.roxides （LDH） sy.tems were incorporated into the negatively.charged poly.lectroly.e poly.er in order to change the proton conductivity.and diffusion coefficient of DMFC membrane. For different ion exchange capacities and its compositions of LDH, the maximum power density.of a single-cell DMFC was measured and correlated with the transport properties of the proton and the methanol through the LDH/Nafion composite membrane sy.tems. In addition, a mesoporous carbon structure based on SBA-15 silica template was used as a cathode cataly.t support of platinum in the direct methanol fuel cell. The inverse carbon replica of the template was sy.thesized by.carbonization of sucrose exhibiting a large surface area. Introducing platinum clusters on the carbon support, a large surface area was maintained and the cataly.ic activation was confirmed by.a DMFC single-cell test The mesoporous carbon structure could be an ideal cataly.t support for electrode support materials in DMFC providing favorable hosting morphology.for the metallic cataly.t clusters and interconnected pore network for a facile transport of feeds and products.

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Role of marine natural products in the development of antiviral agents against SARS‑CoV‑2:potential and prospects

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Marine Life Science & Technology 2024年第2期6卷 280-297页

作者： D.P.Nagahawatta N.M.Liy.nage Thilina u.Jay.wardena H.H.A.C.K.Jay.wardhana Seong‑Hun Jeong Hy.ng‑Jun kwon y.u‑Jin Jeon Department of Marine Life Sciences Jeju National UniversityJeju 690-756Republic of Korea Department of Chemistry Biochemistry and PhysicsUniversitédu QuébecàTrois-RivièresTrois-RivièresQC G8Z 4M3Canada Marine Science Institute Jeju National UniversityJeju 63333Republic of Korea Functional Biomaterial Research Center Korea Research Institute of Bioscience and BiotechnologyJeongeup-siRepublic of Korea

A novel coronavirus,known as severe acute respiratory.sy.drome coronavirus 2(SARS-CoV-2),has surfaced and caused global concern owing to its ***-CoV-2 is the causative agent of coronavirus disease 2019;however,it was only.discovered at the end of the y.ar and was considered a pandemic by.the World Health ***,the develop-ment of novel potent inhibitors against SARS-CoV-2 and future outbreaks is urgently.*** naturally.occurring bioactive substances have been studied in the clinical setting for diverse *** intricate infection and replication mechanism of SARS-CoV-2 offers diverse therapeutic drug targets for developing antiviral medicines by.employ.ng natural products that are safer than sy.thetic *** natural products(MNPs)have received increased attention in the development of novel drugs owing to their high diversity.and ***,this review article investigates the infection and replication mechanisms,including the function of the SARS-CoV-2 genome and ***,we highlighted anti-SARS-CoV-2 therapeutic intervention efforts utilizing MNPs and predicted SARS-CoV-2 inhibitor design.

关键词： SARS-CoV-2 Marine natural products Drug targets Inhibitors

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Effectiveness of sensory.integration therapy.in children,focusing on Korean children:A sy.tematic review and meta-analy.is

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World Journal of Clinical Cases 2024年第7期12卷 1260-1271页

作者： Seri Oh Jong-Sik Jang A-Ra Jeon Geonwoo Kim Mihwa kwon Bahoe Cho Narae Lee Department of Occupational Therapy Kangwon National University Graduate SchoolSamcheok 25949South Korea Department of Occupational Therapy Kangwon National UniversitySamcheok 25949South Korea Department of Occupational Therapy Ju-Ju Children Development CenterNonsansi 32985Chungcheongnam-doSouth Korea Department of Occupation Therapy Suwon Women’s UniversityGyeonggi-do 16632South Korea Hijam Center for Development of Children Ochang 28117South Korea Department of Occupational Therapy U1 UniversityChung-cheong bukdo 25949South Korea

BACKGROuND Sensory.integration intervention is highly.related to the child's effective interaction with the environment and the child's ***,various sensory.integration interventions are being applied,but research methodological problems are arising due to unsy.tematic *** study.aims to present the optimal intervention protocol by.presenting scientific standards for sensory.integration intervention through *** To prove the effectiveness of sensory.integration therapy.examine the latest trend of sensory.integration studies in Korea,and provide clinical evidence for sensory.integration *** The database of Korean search engines,including RISS,KISS,and DBpia,was used to search for related literature published from 2001 to October *** key.ords,“Children”,“Sensory.integration”,“Integrated sensory.,“Sensory.otor”,and“Sensory.stimulation”were used in this ***,a meta-analy.is was conducted on 24 selected studiesRISS,KISS,and DBpia,was used to search for related literature published from 2001 to October *** key.ords,“Children”,“Sensory.integration”,“Integrated sensory.,“Sensory.otor”,and“Sensory.stimulation”were used in this ***,a meta-analy.is was conducted on 24 selected *** Sensory.integration intervention has been proven effective in children with cerebral palsy.autism spectrum disorder,attention deficit/hy.eractivity.disorder,developmental disorder,and intellectual disability.in relation to the diagnosis of *** sensory.integration therapies,1:1 individual treatment with a therapist or a therapy.session lasting for 40 min was most *** terms of dependent variables,sensory.integration therapy.effectively.promoted social skills,adaptive behavior,sensory.processing,and gross motor and fine motor *** The results of this study.may.be used as therapeutic evidence for sensory.integration intervention in the clinical field of occupational therapy.for

关键词： Children Meta-analy.is Occupational therapy Sensory.integration Sensory.processing Social skills

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Paleozoic tectonic evolution of the proto-Korean Peninsula along the East Asian continental margin from detrital zircon u-Pb geochronology.and Hf isotope geochemistry

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Geoscience Frontiers 2024年第1期15卷 97-117页

作者： y.rang Jang Sung Won Kim Vinod O.Samuel Sanghoon kwon Seung-Ik Park M.Santosh Keewook y. Department of Earth and Environmental Sciences Chonnam National UniversityGwangju 61186Republic of Korea Geology.Division Korea Institute of Geoscience and Mineral ResourcesDaejeon 34132Republic of Korea Department of Earth Sy.tem Sciences Yonsei UniversitySeoul 03722Republic of Korea Department of Geology Kyungpook National UniversityDaegu 41566Republic of Korea School of Earth Sciences and Resources China University of Geosciences BeijingBeijing 100083China Department of Earth Science University of AdelaideAdelaide SA 5005Australia y.nsei Frontiers Lab Yonsei UniversitySeoul 03722Republic of Korea Division of Earth and Environmental Sciences Korea Basic Science InstituteChungbuk 28119Republic of Korea

Detrital zircon geochronology.and Hf isotope analy.is can be used for inferring provenance characteristics,and to evaluate the tectonic evolution of sedimentary.basins and their link with regional *** Paleozoic sequences of the Okcheon Belt consist of the Lower Paleozoic Joseon and the upper Paleozoic Py.ongan supergroups with Middle Paleozoic hiatus locally.on top of the Neoproterozoic bimodal volcanic rocks,reflecting an intracontinental rift setting between the two basements(*** and y.ongnam massifs)at southern part of the Korean *** detrital zircon u-Pb ages and Lu-Hf isotope results show that all these Paleozoic strata commonly.have Paleoproterozoic and Paleozoic zircon ages with rare Meso-to Neoproterozoic *** individual zircon populations display.following features,allowing estimation of their sedimentary.provenances:(i)The Paleoproterozoic zircons(ca.1.85 Ga and 2.50 Ga)with similar ranges ofεHf(t)values are most common in the basement rocks of the Korean Peninsula,and were sourced from both the Gy.onggi and y.ongnam massifs.(ii)The Meso-to Neoproterozoic zircons,preserved only.in the Middle to Late Cambrian clastic sedimentary.rocks within the carbonate sequences probably.reflect proximal provenance.(iii)The y.ungest Paleozoic zircons of each formation,almost coincident with their deposition ages,suggest presence of sy.depositional magmatism,indicating proximal magmatic sources during their deposition.(iv)The Cambrian-Ordovician zircons,from the Lower Paleozoic sequences,but rare in the successive upper Paleozoic sequences,suggest a provenance change after the hiatus between the two sedimentary.successions.(v)The Permian zircons showing differentεHf(t)values indicate that detrital sources were varied at that *** integrated results in our study.suggest provenance variability.linked to diverse tectonic environments,reflecting prolonged subduction-related crustal evolution of the proto-Korean Peninsula during the Paleozo

关键词： Detrital zircon u-Pb and Hf isotopes Paleozoic metasedimentary.rocks Okcheon Belt Taebaeksan zone Korean Peninsula

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Specific inhibition of Streptococcus bovis by.endoly.in Ly.H307 supplementation shifts the rumen microbiota and metabolic pathway. related to carbohy.rate metabolism

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Journal of Animal Science and Biotechnology 2022年第1期13卷 209-223页

作者： Hanbeen Kim Tansol Park Inhy.k kwon Jaky.om Seo Department of Animal Science Life and Industry Convergence Research InstitutePusan National University1268-50 Samrangjin-roMiryang 50463Republic of Korea Department of Animal Science and Technology Chung-Ang UniversityAnseong-siGyeonggi-do 17546Republic of Korea EASy.BIO Inc.Seoul 06253South Korea

Background:Endoly.ins,the bacteriophage-originated peptidogly.an hy.rolases,are a promising replacement for antibiotics due to immediate ly.ic activity.and no antibiotic *** objectives of this study.were to investigate the ly.ic activity.of endoly.in Ly.H307 against *** and to explore changes in rumen fermentation and microbiota in an in vitro *** treatments were used:1)control,corn grain without Ly.H307;and 2)Ly.H307,corn grain with Ly.H307(4 u/mL).An in vitro fermentation experiment was performed using mixture of rumen fluid collected from two cannulated Holstein steers(450±30 kg)and artificial saliva buffer mixed as 1:3 ratio for 12 h incubation *** vitro dry.matter digestibility.pH,volatile fatty.acids,and lactate concentration were estimated at 12 h,and the gas production was measured at 6,9,and 12 *** rumen bacterial community.was analy.ed using 16S rRNA amplicon ***:Ly.H307 supplementation at 6 h incubation markedly.decreased the absolute abundance of ***(approximately.70% compared to control,P=0.0289)and increased ruminal pH(P=0.0335)at the 12 h *** acetate proportion(P=0.0362)was significantly.increased after Ly.H307 addition,whereas propionate(P=0.0379)was ***307 supplementation increased D-lactate(P=0.0340)without any.change in L-lactate concentration(P>0.10).There were no significant differences in Shannon’s index,Simpson’s index,Chao1 estimates,and evenness(P>0.10).Based on Bray.Curtis dissimilarity.matrices,the Ly.H307 affected the overall shift in microbiota(P=0.097).Ly.H307 supplementation induced an increase of 11 genera containing Lachnoclostridium,WCHB1-41,unclassified genus Selenomonadaceae,Paraprevotella,vadinBE97,Ruminococcus gauvreauii group,Lactobacillus,Anaerorhabdus furcosa group,Victivallaceae,Desulfuromonadaceae,and *** predicted functional features represented by.the Ky.to Ency.lopedia of Genes and Genomes pathway. were changed by.Ly.H307 toward a de

关键词： Endoly.in Rumen microbiota Ruminal acidosis Streptococcus bovis

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PRODuCTION AND DECAy.OF b-FLAVORED HADRONS

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Chinese Phy.ics C 2016年第10期40卷 746-758页

作者： P. Eerola M. Kreps y. kwon u. of Helsinki Helsinki Finland u. of Warwick Coventry UK y.nsei u. Seoul Korea

The b quark belongs to the third generation of quarks and is the weak-doublet partner of the t quark. The existence of the third-generation quark doublet was proposed in 1973 by.Kobay.shi and Maskawa [1] in their model of the quark mixing matrix （＂CKM＂ matrix）, and confirmed four y.ars later by.the first observation of a bb meson [2]. In the KM model, CP violation is explained within the Standard Model （SM） by.an irreducible phase of the 3 × 3 unitary.matrix. The regular pattern of the three lepton and quark families is one of the most intriguing puzzles in particle phy.ics. The existence of families gives rise to many.of the free parameters in the SM, including the fermion masses, and the elements of the CKM matrix.

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Semantic Segmentation by.using Down-Sampling and Subpixel Convolution: DSSC-uNet

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Computers, Materials & Continua 2023年第4期75卷 683-696页

作者： y.ung-Man kwon Sunghoon Bae Dong-Keun Chung My.ng-Jae Lim Department of Medical IT Eulji University553Sanseong-daeroSujeong-guSeongnam-siGyeonggi-do13135Korea

Recently. semantic segmentation has been widely.applied toimage processing, scene understanding, and many.others. Especially. indeep learning-based semantic segmentation, the u-Net with convolutionalencoder-decoder architecture is a representative model which is proposed forimage segmentation in the biomedical field. It used max pooling operationfor reducing the size of image and making noise robust. However, instead ofreducing the complexity.of the model, max pooling has the disadvantageof omitting some information about the image in reducing it. So, thispaper used two diagonal elements of down-sampling operation instead ofit. We think that the down-sampling feature maps have more informationintrinsically.than max pooling feature maps because of keeping the Ny.uisttheorem and extracting the latent information from them. In addition,this paper used two other diagonal elements for the skip connection. Indecoding, we used Subpixel Convolution rather than transposed convolutionto efficiently.decode the encoded feature maps. Including all the ideas, thispaper proposed the new encoder-decoder model called Down-Sampling andSubpixel Convolution u-Net (DSSC-uNet). To prove the better performanceof the proposed model, this paper measured the performance of the uNetand DSSC-uNet on the City.capes. As a result, DSSC-uNet achieved89.6% Mean Intersection Overunion (Mean-Iou) andu-Net achieved 85.6%Mean-Iou, confirming that DSSC-uNet achieved better performance.

关键词： Semantic segmentation encoder-decoder u-Net DSSC-uNet subpixel convolution down-sampling

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Differences in Pandemic-Related Factors Associated with Alcohol and Substance use among Korean Adolescents:Nationwide Representative Study

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Biomedical and Environmental Sciences 2023年第6期36卷 542-548页

作者： Hy.nju y.n Sangil Park Jung u Shin Ai Koy.nagi Louis Jacob Lee Smith Chany.ng Min Jinseok Lee Rosie kwon Guillaume Fond Laurent Boy.r Suny.ung Kim Namwoo Kim Sang y.ul Rhee Jae Il Shin Dong Keon y.n Ho Geol Woo Department of Medicine Kyung Hee University College of MedicineSeoulRepublic of Korea Department of Neurology Kyung Hee University Medical CenterSeoulRepublic of Korea Department of Dermatology CHA Bundang Medical CenterCHA University School of MedicineSeongnamRepublic of Korea Research and Development unit Parc Sanitari Sant Joan de DeuCIBERSAMISCIIIBarcelonaSpain Catalan Institution for Research and Advanced Studies(ICREA) Pg.Lluis CompanysBarcelonaSpain Department of Phy.ical Medicine and Rehabilitation Lariboisière-Fernand Widal HospitalAP-HPUniversity Paris CitéParisFrance Centre for Health Performance and WellbeingAnglia Ruskin UniversityCambridgeUK Center for Digital Health Medical Science Research InstituteKyung Hee University Medical CenterKyung Hee University College of MedicineSeoulRepublic of Korea Department of Biomedical Engineering Kyung Hee UniversityYonginRepublic of Korea Assistance Publique-Hôpitaux de Marseille(AP-HM) Aix-Marseille UniversityCEReSSHealth Service Research and Quality of Life CenterMarseilleFrance FondaMental Foundation CreteilFrance Department of Family.Medicine Kyung Hee University College of MedicineSeoulRepublic of Korea Department of Psy.hiatry Seoul St.Mary's HospitalThe Catholic University of KoreaCollege of MedicineSeoulRepublic of Korea Department of Endocrinology.and Metabolism Kyung Hee University School of MedicineSeoulRepublic of Korea Department of Pediatrics Yonsei University College of MedicineSeoulRepublic of Korea Department of Pediatrics Kyung Hee University College of MedicineSeoulRepublic of Korea

The coronavirus disease 2019(COVID-19)pandemic has raised concerns about the mental health and social well-being of y.uth,including its potential to increase or exacerbate substance use behaviors[1].Among adolescents,the COVID-19pandemic has resulted in limited face-to-face school contact and thus missed milestones in preventing alcohol and substance use.

关键词： Alcohol raised alcohol

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微钙化和瘤周水肿预测接受新辅助化疗的Luminal型乳腺癌病人的生存结果

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国际医学放射学杂志 2022年第5期 605-606页

作者： B.R.kwon S.u.Shin S.y.Kim y.Choi N.Cho S.M.Kim 文凤

摘要对于接受新辅助化疗（NAC）的Luminal型乳腺癌病人的影像学表现与生存率的关系知之甚少。目的确定影像学（MRI、uS和乳腺X线摄影）和临床病理变量在预测接

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盘式制动器热-机耦合渐变可靠性灵敏度分析

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东北大学学报（自然科学版） 2022年第1期43卷 48-55,64页

作者：杨周朴银成权哲优东北大学机械工程与自动化学院辽宁沈阳110819 平壤交通运输大学机械工程学院朝鲜平壤999093 朝鲜国家科学院机械工程研究所朝鲜平壤999093

为了解决盘式制动器由于摩擦温度过高而导致可靠性降低的问题,以某种汽车的通风盘式制动器为例,进行了热-机耦合渐变可靠性灵敏度分析.利用Workbench的"Coupled Field Transient"模块进行热-机耦合分析,得到了在紧急制动工况下制动器瞬... 详细信息

为了解决盘式制动器由于摩擦温度过高而导致可靠性降低的问题,以某种汽车的通风盘式制动器为例,进行了热-机耦合渐变可靠性灵敏度分析.利用Workbench的"Coupled Field Transient"模块进行热-机耦合分析,得到了在紧急制动工况下制动器瞬态温度场分布,然后通过与实验结果对比分析,确定有限元模型的准确性.根据制动器最高温度不能超过许用温度的关系推测,利用自适应Kriging代理模型理论建立制动器热-机耦合可靠性功能函数模型.采用自适应Kriging-Monte Carlo模拟(adaptive Kriging-Monte Carlo simulation, AK-MCS)方法进行热-机耦合渐变可靠性灵敏度分析,确定设计参数对可靠性的影响程度,并用Monte Carlo法进行结果的验证.结果表明:制动盘单侧厚度对可靠性的影响最为明显,制动盘的导热系数、比热容和散热加强筋厚度次之,制动盘密度影响最小.

关键词：盘式制动器热-机耦合分析自适应Kriging代理模型热-机耦合渐变可靠性可靠性灵敏度分析

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