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Journal of Materials Science & Technology 2020年第14期47卷 15-24页

作者： Wonjoo Lee Yuhyeong Jeong jae-Wook Lee Howon Lee Seong-hoon Kang Young-min Kim Jonghun Yoon Department of Mechanical Design Engineering Hanyang University222Wangsimni-roSeongdong-guSeoul 04763Republic of Korea Materials Deformation Department Korea Institute of Materials Science797 ChangwondaeroSeongsan-guChangwon-siGyeongnam-do 51508Republic of Korea Department of Mechanical Engineering Hanyang University55 Hanyangdaehak-roSangnok-guAnsan-siGyeonggi-do 15588Republic of Korea

To predict the dendrite morphology and microstructure evolution in the solidification of molten metal,numerically,lattice Boltzmann method(LBM)-cellular automata(CA)model has been developed by integrating the LBM to solve the mass transport by diffusion and convection during solidification and the CA to determine the phase transformation with respect to the solid fraction based on the local equilibrium *** is successfully validated with analytic solutions such as Lipton-Glicksman-Kurz(LGK)model in static melt,and Oseen-Ivantsov solution under the fluid flow conditions in terms of tip radius and velocity of the dendrite *** proposed LBM-CA model does not only describe different types of dendrite formations with respect to various solidification conditions such as temperature gradient and growth rate,but also predict the primary dendrite arm spacing(PDAS)and the secondary dendrite arm spacing(SDAS),quantitatively,in directional solidification(DS)experiment with Ni-based superalloy.

关键词： Cellular automata(CA) Lattice Boltzmann method(LBM) Dendritic growth Directional solidification

Meta-analysis on randomized controlled trials for scalp acupuncture treatment of stroke：A systematic review

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Journal of Traditional Chinese Medicine 2018年第4期38卷 465-479页

作者： Young-Nim You min-Yeong Song Gwang-Cheon Park Chang-Su Na jae-Young Han Myung-Rae Cho jae-Hong Kim Clinical Research Center Dong-Shin University Gwangju Oriental Hospital Gwangju City 61619 Republic of Korea Department of Acupuncture and Moxibustion Medicine College of Korean Medicine Dong-Shin University Naju City 58245 Republic of Korea Department of Korean Rehabilitation Therapy College of Korean Medicine Dong-Shin University Naju City 58245 Republic of Korea Department of Meridians and Acupoints College of Korean Medicine Dong-Shin University Naju City 58245 Republic of Korea Department of Physical & Rehabilitation Therapy Chonnam National University Medical School & Hospital Gwangju City 61619 Republic of Korea

OBJECTIVE:To conduct a systematic review to assess the clinical effectiveness of scalp acupuncture(SA) for ***:Literature searches were performed in7 databases up to 16 August 2014,and all the randomized controlled trials(RCTs) in which SA therapy was administered to stroke patients were *** quality was assessed using the Jadad score,the Cochrane risk of bias assessment,and the Standards for Reporting Interventions in Clinical Trials of ***:Of a total of 2086 papers,21 RCTs were ***-analysis revealed significant differences in the total efficacy rates of the SA group and the body acupuncture(BA) group vs the medication group(P < 0.002,P < 0.000 001,respectively),the SA plus BA group vs the BA group(P < 0.001);in the motor function of the SA plus BA group vs the BA group(P = 0.077);and in the nerve function of the SA group vs the SA plus BA group(P < 0.0001).CONCLUSION:The results of our systematic review showed that SA therapy may exhibit effects in treatment efficacy and in the recovery of motor and nervous functions in patients with acute to chronic ***,because of the lack of methodological quality,the thoroughly planned clinical studies are still required.

关键词：随机化试用控制针灸头皮评论系统数据库

Emerging Technologies of Liquid Crystal Displays

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光学学报 2003年第S1期23卷 797-798页

作者： Sin-Doo Lee Chang-jae Yu jae-Hong Park min-Sik Jung School of Electrical Engineering #032 Seoul National University Kwanak P.O. Box 34 Seoul 151-742 KoreaSchool of Electrical Engineering #032 Seoul National University Kwanak P.O. Box 34 Seoul 151-742 KoreaSchool of Electrical Engineering #032 Seoul National University Kwanak P.O. Box 34 Seoul 151-742 KoreaSchool of Electrical Engineering #032 Seoul National University Kwanak P.O. Box 34 Seoul 151-742 Korea

The general features and the emerging technologies of liquid crystal displays are described from the viewpoints of wide viewing and fast response technologies. The device applications of liquid crystals for optical co... 详细信息

关键词： of in on it as LCD Emerging Technologies of Liquid Crystal Displays been mode DSG

Fabrication of Near Net Shape Metallic Foam via Plaster Mould

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Journal of Materials Science & Technology 2008年第3期24卷 335-339页

作者： Young-Hwan Song Hwan-Goo Seon Soo-Han Parka min-jae Jeong Bo-Young Hur i-Cube Center School of Nano and Advanced Materials EngineeringGyeongsang National University ERIC School of Nano and Advanced Materials EngineeringGyeongsang National University

Fabrication characteristics are unstable in direct foaming method. Therefore, most of near net-shape metallic foams are produced, and investigated by powder metallurgy. Direct foaming method, however, has many benefits （i.e. reduce the unit cost of goods and fabrication process etc.） to fabrication of metallic foams. In this article, the fabrication characteristic of near net-shape metallic foams by direct foaming method was evaluated. Al and Plaster was used for base material and mould material respectively. Ca and TiH2 were added to molten Al as thickening and blowing agent for stable condition of bubbles. Thickening time was about 10 min with a stirring speed of 600 r/min. Foaming time was 30-120 s for evaluation of the optimum foaming condition. Amount of agent was selected by pre-experimental data. Porosity of near net-shape goods was measured by Archimedes method. On the other hand, it seems that increasing poring time and thickening agent make the poor porosity

关键词： Metal foam Near net shape foam Porosity

Role of Jun amino-terminal kinase （JNK） in apoptosis of cavernosal tissue during acute phase after cavernosal nerve injury

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Asian Journal of Andrology 2018年第1期20卷 50-55页

作者： Won Hoon Song Hwancheol Son Soo Woong Kim jae-Seung Paick min Chul Cho Department of Urology Seoul National University College of Medicine Seou103080 Korea Department of Urology Seoul National University Boramae Medical Center Seeu107061 Korea

The present study aimed to identify which mitogen-activated protein kinase （p38 or Jun amino-terminal kinase [JNK]） was involved in cavernosal apoptosis during the acute phase after cavernosal nerve crush injury （CNCI） in rats to ameliorate apoptosis of cavernosal tissue, such as smooth muscle （SM）. A total of twenty 10-week-old male Sprague-Dawley rats were divided equally into two groups： sham surgery （S） and CNCI （I）. The I group approximated the clinical situation of men undergoing radical prostatectomy using two 60-second compressions of both CNs with a microsurgical vascular clamp. At 2-week postinjury, erectile response was assessed using electrostimulation. Penile tissues were harvested for immunohistochemistry analysis of alpha-SM actin （（x-SMA）, western blot analysis, and double immunofluorescence analysis of （x-SMA and phosphorylated p38 or JNK, as well as double immunofluorescent of TUNEL and phosphorylated p38 or JNK. At 2-week postinjury, the I group had a significantly lower intracavernous pressure （ICP）/mean arterial pressure （MAP） and a lower area under the curve （AUC）/MAP than the S group. The I group also exhibited decreased immunohistochemical staining of α-SMA, an increase in the number of SM cells positive for phosphorylated JNK, an increased number of apoptotic cells positive for phosphorylated JNK, and increased JNK phosphorylation compared with the S group. However, there was no significant difference in p38 phosphorylation expression or the number of SM cells positive for phosphorylated p38 between the two groups. In conclusion, our data suggest that JNK, not p38, is involved in cavernosal apoptosis during the acute phase after partial CN damage.

关键词： apoptosis erectile dysfunction Jun amino-terminal kinase mitogen-activated protein kinases p38 penis prostatectomy

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： Hyunju Yon Sangil Park Jung U Shin Ai Koyanagi Louis Jacob Lee Smith Chanyang min Jinseok Lee Rosie Kwon Guillaume Fond Laurent Boyer Sunyoung Kim Namwoo Kim Sang Youl Rhee jae Il Shin Dong Keon Yon 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 Physical 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 Psychiatry 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 youth,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

How to reduce and manage the hepatic arterial complications in living and deceased donor liver transplantation?

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Hepatobiliary Surgery and Nutrition 2021年第2期10卷 284-287页

作者： Deok-Bog Moon min-jae Kim Gil-Chun Park Division of Hepatobiliary Surgery and Liver Transplantation Department of SurgeryAsan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea

Hepatic artery(HA)reconstruction in liver transplantation(LT),particularly in living donor liver transplantation(LDLT)is nerve-wracking job due to the smallest and shortest vascular *** diameter of donor HA in Asian people is less than 3 mm in more than three quarters of the donors(1).After introduction of microvascular techniques for HA reconstruction in LDLT,the incidence of arterial complications has decreased significantly(2).

关键词： arterial donor liver

Function-regeneration of non-porous hydrolyzed-MOF-derived materials

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Nano Research 2019年第8期12卷 1921-1930页

作者： Yo Chan Jeong Jin Weon Seo jae Ho Kim Seunghoon Nam min Chang Shin Young Shik Cho Jin Syul Byeon Chong Rae Park Seung jae Yang Carbon Nanomaterials Design Laboratory Research Institute of Advanced Materials and Department of Materials Science and Engineering Seoul National UniversitySeoul 08826Republic of Korea Advanced Nanohybrids Lab. Department of Chemical Engineering Inha UniversityIncheon 22212Republic of Korea School of Advanced Materials Engineering College of Engineering Andong National University Andong Gyeongsangbuk-do 36729Republic of Korea

A facile synthetic strategy based on a water-based process is developed for the preparation of metal-organic framework (MOF)-derived materials by revisiting the hydrolyzed non-porous metal-organic frameworks (h-MOF). The poor water stability of MOF has been recognized as key limitations for its commercialization and large-scale applications because the hydrolysis resulted in the complete loss of their functionalities. However, we found that the negative effect of hydrolysis on MOF can be nullified during the heat treatment. As similar to the intact MOF, h-MOF can be used as a precursor for the preparation of MOF-derived materials from porous MOF-derived carbons (MDCs) to MDC@ZnO composites. The property of h-MOF-derived materials is almost equivalent to that of MOF-derived materials. In addition, h-MOF turned the weakness of water instability to the strength of facile water-based process for hybridization. With the demonstration of the hybrid composite between h-MDC@ZnO and reduced graphene oxide (rGO) as a prototype example, it exhibited superior electrochemical performance when evaluated as an electrode material for lithium-ion batteries.

关键词： nanomaterials metal-organic framework (MOF) porous materials MOF-derived carbon hydrolyzed MOF

Functional photonic structures for external interaction with flexible/ wearable devices

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Nano Research 2021年第9期14卷 2904-2918页

作者： Young Jin Yoo Se-Yeon Heo Yeong jae Kim Joo Hwan Ko Zafrin Ferdous Mira Young min Song School of Electrical Engineering and Computer Science Gwangju Institute of Science and Technology(GIST)123 Cheomdangwagi-roBukguGwangju 61005Republic of Korea Korea Institute of Ceramic Engineering&Technology Ceramics Test-Bed Center3321 Gyeongchung-daeroSindun-myeonIcheon-si Gyeonggi-do 17303Republic of Korea Anti-Viral Research Center Gwangju Institute of Science and Technology(GIST)123 Cheomdangwagi-roBukguGwangju 61005Republic of Korea AI Graduate School Gwangju Institute of Science and Technology(GIST)123 Cheomdangwagi-roBukguGwangju 61005Republic of Korea

In addition to vital functions,more subsidiary functions are being expected from wearable *** wearable technology thus far has achieved the ability to maintain homeostasis by continuously monitoring physiological *** quality of life improves if,through further developments of wearable devices to detect,announce,and even control unperceptive or noxious signals from the *** materials based on photonic engineering can fulfil the abovementioned *** to the flexibility and zero-power operation of such materials,they can be applied to conventional wearables without affecting existing *** achievements to freely tailoring a broad range of electromagnetic waves have encouraged the development of wearable systems for independent recognition/manipulation of light,pollution,chemicals,viruses and ***,the role that photonic engineering on a flexible platform plays in detecting or reacting to environmental changes is reviewed in terms of material selection,structural design,and regulation mechanisms from the ultraviolet to infrared spectral ***,issues emerging with the evolution of the wearable technology,such as Joule heating,battery durability,and user privacy,and the potential solution strategies are *** article provides a systematic review of current progress in wearable devices based on photonic structures as well as an overview of possible ubiquitous advances and their applications,providing diachronic perspectives and future outlook on the rapidly growing research field of wearable technology.

关键词： photonic structure wearable device health care device colorimetric sensor radiative cooling infrared camouflage

Power interconnected system clustering with advanced fuzzy C-mean algorithm

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Journal of Central South University 2011年第1期18卷 190-195页

作者：王洪梅 KIM jae-Hyung JUNG Dong-Yean LEE Sang-min LEE Sang-Hyuk School of Mechatronics Changwon National University Daeho Tech Co.Ltd. Changwon 641-465Korea Department of Electronics Engineering Inha University

An advanced fuzzy C-mean(FCM) algorithm was proposed for the efficient regional clustering of multi-nodes interconnected *** to various locational prices and regional coherencies for each node and point,modified similarity measure was considered to gather nodes having similar *** similarity measure was needed to contain locational prices as well as regional *** order to consider the two properties simultaneously,distance measure of fuzzy C-mean algorithm had to be *** clustering algorithm for interconnected power systems was designed based on the modified fuzzy C-mean *** proposed algorithm produces proper classification for the interconnected power system and the results are demonstrated in the example of IEEE 39-bus interconnected electricity system.

关键词：模糊C均值算法互联电力系统聚类算法相似性度量互联系统距离测度 IEEE 系统总线