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김경수,김상혁,이갑수,유정희,황민우,이준희,고병희,김효정,이시우,김종열,문영식,이의주,Kim, Kyung-Su,Kim, Sang-Hyuk,Lee, Gab-Su,Yoo, Jung-Hee,Hwang, Min-Woo,Lee, Jun-Hee,Koh, Byung-Hee,Kim, Hyo-Jung,Lee, Si-Woo,Kim, Jong-Yoel,Moon, Young-S 사상체질의학회 2007 사상체질의학회지 Vol.19 No.3
1. Objectives This study focuses on the Revision and Translation of the Mongolian's Sasang constitution Diagnosis Questionnaire (SDQ-M) 2. Methods 03'SDQ's questionnaire analysis study have been performed based on the absolutely diagnosed group of 423 cases who have respond to the Sasang constitution Diagnosis Questionnaire (SDQ) from June to November, 2003. 3. Results and Conclusions Revised 05'SDQ-M's traits, which result from on the basis of 03'SDQ's questionnaire analysis study results and socio-cultural understanding via Mongolian physical constitution diagnosis as well as Mongolian translators' interchange, are as follows. (1) 05'SDQ-M is mainly adjusted in terms of external appearances and the nature of illness symptoms. (2) 05'SDQ-M's physical constitution questionnaires are equally adjusted. (3) 05'SDQ-M is re-used, deleted, or created on the basis of 03'SDQ's questionnaire analysis results. (4) 05'SDQ-M is translated to be easy for Mongolians.
김경수,김우철,김경옥,Kim, Kyung-Soo,Kim, Woo-Chul,Kim, Kyeong-Ok 대한한의학방제학회 2012 大韓韓醫學方劑學會誌 Vol.20 No.1
Objectives : This study was carried out to investigate trends of using Shihogayonggolmoryo-tang granule on neuropsychiatry fields. And suggest that using herbal extracts change non-prescription medicine to prescription medicine. Methods : I researched 86 outpatients who treated with Shihogayonggolmoryo-tang granule at oriental medicine hospital. And I analyzed their medical records of chart review study. Results : 1. Average medication time in this research was 14.9 days and the main usage was supplementary to herbal medicine, such cases amounted to 62%. 2. There are 52 patients out of 86 who are much better, such cases amounted to 55%. 3. The improved diagnosis is Syndrome of heart-fire flaring up, Syndrome of upper energizer dryness-heat, headache, and tinnitus. The improved symptom is anxiety, headache, dizziness, tic disorders, and chest discomfort. Conclusions : I expect to using herbal extracts change non-prescription medicine to prescription medicine based on this study.
5G 모바일 네트워크의 Industrial IoT 표준기술 동향
김경수,강유화,김창기,Kim, K.S.,Kang, Y.H.,Kim, C.K. 한국전자통신연구원 2021 전자통신동향분석 Vol.36 No.6
Industrial networks has been developing various technologies from fieldbus technology to industrial Ethernet and time-sensitive networking. The industry expects that the 5G mobile network will solve the diverse and highly specific industrial site requirements. Accordingly, 3GPP has been developing standard functions to provide ultra-high reliability, ultra-high speed, ultra-connection, and ultra-low latency services, and 3GPP Rel-16 began developing ultra-low latency and ultra-high reliability communication functions for 5G mobile networks to support vertical industries. In this paper, we show the related standardization trends and requirements to apply industrial IoT service scenarios to 5G mobile networks, and in particular, we introduce 5G system features and extended 5G system architecture to provide time sensitive communication and time synchronization services.
Solder Paste로 접합된 비아볼의 Ball-off에 관한 연구
김경수,김진영,Kim, Kyoung-Su,Kim, Jin-Young 한국전기전자재료학회 2004 전기전자재료학회논문지 Vol.17 No.6
Package reliability test was conducted to investigate the effect of solder paste composition at BGA Package. It was found that the shape and size of the phase form are affected by the processing parameters. The material have used to fill in the via was Sn/36Pb/2Ag and Sn/0.75Cu type solder paste. Sn/36Pb/2Ag and Sn/0.75Cu paste were fabricated on Tape-BGA substrates by screen printing process, and via ball mount data were characterized with variations of dwell time of 85 seconds at reflow peak temperature at 22$0^{\circ}C$ or 24$0^{\circ}C$. The test condition was MRT 30 $^{\circ}C$/60 %RH/96 HR. Failures formed of a ball-off in solder paste process were observed by using a Optical Microscope and SEM(Scanning Electron Microscope). It was concluded that intermetallic layer growth played important roles in increasing solder fatigue strength for addition of Ag composition. The degradation of shear strength of solder composition is discussed.
분할형 극세사를 이용한 습식인공피혁의 제조와 물리적 특성에 관한 연구
김경수,이명수,심현주,Kim Kyung Su,Lee Myong Soo,Shim Hyun Joo 한국섬유공학회 2005 한국섬유공학회지 Vol.42 No.1
An isotropic fiber web was manufactured with a sheet forming machine using split type micro-fibers. This fiber web was interlaced through a water jet process to bind the constituent fibers. The process variables that affect the physical properties of this nonwoven fabrics were controlled. The optimal processing conditions for the wet-laid, spun-laced suede were as follows: fiber length be 5 mm, type of dispersing agent be nonionic surfactant, and concentration of the dispersing agent be 0.3 g/l. The fiber damages, surface characteristics, and the mechanical properties measured by KES-F system were compared with exiting suede fabrics made by carding and needle punching. The results showed that the surface properties and the directional properties of these new type suedes are superior to those made by conventional methods.
레일리분포를 이용한 유한고장과 무한고장 소프트웨어 신뢰성 모형에 대한 비교연구
김경수,김희철,Kim, Kyung-Soo,Kim, Hee-Cheul 한국디지털정책학회 2014 디지털융복합연구 Vol.12 No.12
소프트웨어 고장분석을 위한 비동질적인 포아송과정에서 결함당 고장발생률이 상수이거나, 단조 증가 또는 단조 감소하는 패턴을 가질 수 있다. 본 논문에서는 결함의 기대값을 가정하는 유한고장소프트웨어 NHPP모형과 수리시점에서도 고장이 발생할 상황을 반영하는 무한고장 NHPP모형들을 비교 제시하였다. 소프트웨어 신뢰성분야에서 많이 인용되는 레일리분포를 이용한 유한고장과 무한고장 소프트웨어 신뢰성모형에 대한 비교문제를 탐색한 결과 무한고장모형이 유한고장모형보다 효율적으로 나타났다. 이러한 비교문제를 위하여 모수추정은 최우추정법을 이용하였다. 이 연구를 통하여 소프트웨어 개발자에게 소프트웨어 고장현상을 파악하는데 어느 정도 도움을 줄 수 있을 것으로 사료 된다. The NHPP software reliability models for failure analysis can have, in the literature, exhibit either constant, monotonic increasing or monotonic decreasing failure occurrence rates per fault. In this paper, finite failure NHPP models that assuming the expected value of the defect and infinite failures NHPP models that repairing software failure point in time reflects the situation, were presented for comparing property. Commonly used in the field of software reliability based on Rayleigh distribution software reliability model finite failures and infinite failures were presented for comparison problem. As a result, infinite fault model is effectively finite fault models, respectively. The parameters estimation using maximum likelihood estimation was conducted. In this research, can be able to help software developers for considering software failure property some extent.
갈근, 갈화, 갈근과죽력의 추출물이 알코올을 투여한 생쥐에 미치는 영향
김경수,정종길,나창수,김정상,Kim Kyung-Soo,Jung Jong-Kil,Na Chang-Su,Kim Jeong-Sang 대한한의학방제학회 2002 大韓韓醫學方劑學會誌 Vol.10 No.1
This study was performed to investigate the effects of Radix Puerariae (RP), Flos Puerariae (FP) and Caules in Liquamen Phyllostachyos+Radix Puerariae water extracts on the alcohol dehydrogenase (ADH). transaminase (GOT, GPT) activities, and two hepatic antioxidant enzyme (SOD, catalase) activities in acute ethanol administered mice, and we have investigated the morphological changes that occur in hepatocytes of the experimental mice. The activities of ADH decreased compared with control group in the A1(66%), C1(57%), C2(54%) groups. The transaminase activites increased in the control groups compared with experimental groups. Ethanol treatment group without the RP or FP administration significantly lowered the activities of hepatic SOD and catalase, whereas MnSOD increased in the A1(27%) and B2(43%)groups, CuZnSOD increased in the B2(25%) and C2 groups. The catalase activites were increased in the A1(270%), A2(478%), B2(487%) and B1(770%) compared with control group, A lot of PAS-positive granules were observed in the A1, A2, C1 and C2 groups compared with the other groups. These results suggested that RP, FP and RP+Bamboo extracts administration may be prevent from liver damage in the alcohol treatment mice.
김경수,강희인,길용갑,김재성,이영,서현수,홍순민,박준우,Kim, Kyoung-Soo,Kang, Hee-In,Kil, Yong-Kab,Kim, Jae-Seong,Lee, Young,Seo, Hyun-Soo,Hong, Soon-Min,Park, Jun-Woo 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.6
The population were increased by industrialization and urbanization of the modern society and social activities of the person were rapid increased too. Subsequently the number of motor vehicle accident, sports accident and industrial accident were increased, resulting in the number of oral and maxillofacial trauma were increased. Because of the mandible relatively protruded among the facial bone, the most frequent associated oral and maxillofacial injuries was mandible fracture in the trauma center setting. A clinical study on 411 patients with mandibular fracture who visited in Department of Oral and Maxillofacial Surgery, Chun-chon Sacred Heart Hospital during 10 years(1997-2006) was done by analysing sex, age, mode, fracture site and treatment method