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채명훈,김강식,정인범 江原大學校 産業技術硏究所 2010 産業技術硏究 Vol.30 No.A
In legacy e-learning web service, as deployed contents are changed, web services should be changed together. In addition, it can not coordinate and manage the various e-learning services recently emerged. In this paper, an e-learning platform based on Service-Oriented Architecture (SOA) is proposed to solve these problems. We design and implement an e-learning system based on Service abstraction layer concepts. The implemented system can provide the new e-learning services within short development periods.
철근 이음형 PC 보-기둥 내부 접합부의 구조적 거동에 관한 실험적 연구
김승훈,하상수,문정호,이리형,이강철,전병갑 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
In this study, new moment-resisting precast concrete beam-column joint is proposed for moderate seismic regions. It has the connection reinforcing bars, penetrated the joint and lap-spliced with the bottom bars of precast U-beam. An experimental study was carried out to investigate the joint behavior subjected to reverse cyclic loading and constant axial compressive load. Three precast beam-column interior were tested. The variables examined were the type of connection reinforcing bars and presence of transverse reinforcement in joint. Joint performance is evaluated on the basis of connection .strength, stiffness, energy dissipation, and drift capacity. Based on the test results, the precast connection is capable of matching or exceeding the performance of the monolithic connection and thereby provides the sufficient moment-resisting behavior to be applicable for moderate seismic regions.
신영태,신승훈,이순구,이정호,이강욱 충남대학교 의과대학 지역사회의학연구소 1990 충남의대잡지 Vol.17 No.2
A clinical retrospective study was undertaken in 81 patients with acute pyelonephritis admitted to the Department of Internal Medicine, Chungnam National University Hospital from January 1983 to December 1989. The results were as follows : 1. Total number of patients studied was 81(M/F ratio, 1 : 4.4). The M/F ratio of 22 complicated patients (27.2%) was 1 : 2.7 2. The predisposing factors associated with complicated patients were as follows : 7 cases of urinary tract stone, 7 cases of pregnancy, 4 cases of neurogenic bladder and each one case of prostatic hypertrophy, ureter cancer, bladder diverticulum and polycystic kidney disease. 3. The common subjective symptoms on admission were fever and chills, frank pain, nausea and vomiting. High body temperature and CVA tenderness were noted in 61% and 95% of patients respectively. And 50.6% of patients revealed right CVA tenderness and 28.4% in left, 16% in both respectively. There was no difference in symptoms and signs between complicated and uncomplicated groups 4. In 50 patients(61.7%) microorganisms were isolated on the urine culture specimens. The most common organism was E. coli(80%), and followed by Staphylococcus aureus and Serratia odorifera. E coli was the most frequent pathogen in both female and male patients, and in complicated and uncomplicated groups. (In sensitivity test of complicated and uncomplicated groups). In sensitivity test of causative pathogens to antibiotics, E coli was sensitive to amikacin(93%), tobramycin(83.3%) and gentamycin(79.4%) and 88.9 percent of E coli were ressistant to ampicillin 5. In urinary examination on admission, pyuria was noted in 81% of patients, and proteinuria and microscopic hematuria were noted in 68% and 44% of patients respectively. 6. Within 3 days after antibiotics treatment deference was occured in 73.5% of total patients, and complicated patients revealed delayed defeverence compared to uncomplicated ones.
신영태,이정호,신승훈,이강욱 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.2
To elucidate the clinical feature and clinicopathologic correlation of systemic lupus erythematosus(SLE), the authors analized symptoms and signs, laboratory findings and kidney pathology in 25 patients with SLE who were admitted to the Department of Internal Medicine, Chungnam National University Hospital from My 1985 to October 1989. Kidny biopsy was performed in 15 patients out of 19 patients who showed lupus nephritis. The results were as follows: 1. The ratio of male of females was 1:11.5. They were 14 to 53 years old and mean age was 30.2 years old. The peak age incidence was 3rd and 4th decades. 2. The most frequent chief complaint on admission was fever and chills. Most patients had two or more symptoms such as arthralgia, malar rash, generalized edema or weakness. 3. In 84% of the patients, duration from onset of the disease to diagnosis of SLE was longer than 1 month, which suggested that diagnosis of SLE is not easy in early stage of SLE. 4. The positive anti -DNA was the most frequently observed ARA criteria of SLE. And positive ANA, malar rash, persistent proteinuria, leukopenia, positive LE cell preparation, arthritis and oral ulcer were observed in order of frequency. 5. The frequent and pertinent general symptoms, not included in ARA criteria were fever and chills, arthralgia and abdominal pain which were observed in more than half of the patients. 6. On immunologic test, serum concentrations of C3 and C4 were decreased in 96% of the patients, serum concentration of Ig G, Ig A were increased in 65%, 36.8% and 26.3% of the patients respectively. The RA test was positive in 25% of the patients. 7. Lupus nephritis represented 76% of all SLE patients and pathological classification on 15 patients with lupus nephritis revealed class IV lupus nephritis in 9 patients(60%), class II n 3 patients (21%), class V in 2 patients(13.3%) and class III in 1 patient. 8. 7 out of 9 patients with class IV lupus nephritis and 1 out of 2 patients with class V lupus nephritis showed nephrotic syndrome. Progressive azotemia were observed in 3 out of 9 patient with class IV lupus nephritis and in 1 out of 2 patients with class V lupus nephritis. There were no nephrotic syndroms or azotemia in class II and class III lupus nephritis. 9. Of 17 patients who can be followed up, 9 patients were improved, 5 patients became progressive azotemia and 3 patients resulted in death. The causes of death were myocarditis with pericarditis in 1 patients, pneumonia with acute respiratory failure in 1 patient and CNS involvement of SLE in 1 patient.
청소년 휴대전화 사용 시 소셜네트워크서비스(SNS)와 게임그룹 간 자율규제 동기의 차이
서강훈(Gang Hun Seo) 한국컴퓨터정보학회 2020 韓國컴퓨터情報學會論文誌 Vol.25 No.3
본 연구의 목적은 청소년 모바일 폰 이용의 심리적 특성 중 내적요인과 이용 동기를 알아보고자 이 연구를 실시하였다. 내적요인에서는 자기조절력, 이용 동기에서는 대인관계, 즐거움, 현실회피 성취 욕구를 알아보고자 함이다. 이 연구를 위해 한국정보화진흥원은 2018년 인터넷과 모바일폰 중독의 장기 추적 자료 중 자기제어 및 이용자 동기대책에 근거한 568건의 자료를 활용하였다. 데이터 분석을 위해 SPSS 윈도우 23 버전을 사용했고, 수집된 데이터는 피험자의 인구학적 특성을 파악하기 위한 분석이었다, 또한 인체모형 변수를 분석하여 그룹 간 변수의 상관관계를 조사하였으며, 연구 결과는 다음과 같다. 첫째, 중독성은 소셜 네트워크서비스 (SNS) 집단보다 모바일 폰 게임 집단이 약간 높게 나타났으나, 이용 동기에서는 소셜 네트워크서비스 (SNS) 집단이 대인관계 욕구가 높게 나타났고. 현실회피 욕구에서는 모바일 폰 게임집단이 소셜 네트워크서비스 (SNS) 집단보다 높은 차이를 나타냈다. 그러나 즐거움 및 성취욕구 에서는 집단 간 차이가 없었다. 본 연구의 결과 모바일 폰 사용의 컨텐츠에 따라 모바일 폰 과다 사용에 영향을 미치는 요인에 차이가 있음을 시사 하였으며, 후속 연구에 대한 제안이 논의되었다. In this paper we propose a The purpose of this study was to examine the psychological characteristics of youth mobile phone use. Internally, we want to find out about self-regulation, interpersonal relationship, pleasure, and desire to achieve reality. For the research, the Korea Information Society Agency utilized 568 data based on self-control and user motivation among long-term tracking data of Internet and mobile phone addiction in 2018. The SPSS window 23 version was used for data analysis, and the data collected were analyses to identify the subject"s demographic characteristics. In addition, the correlation of variables between groups was investigated by analyzing dummy variables, and the results of the study were as follows. First, the addiction was slightly higher in mobile phone game groups than in social network service (SNS) groups, but in the same period of use, social network service (SNS) groups showed a higher desire for interpersonal relationships. In the desire to avoid reality, mobile phone game groups showed a higher gap than social network service (SNS) However, there was no difference between groups in terms of pleasure and desire to achieve. The results of this study indicated that the content of mobile phone use differed in factors affecting mobile phone overuse, and suggestions for follow-up research were discussed.
청소년의 인터넷 미디어 음란물 노출이 성의식에 미치는 영향에 관한 연구
서강훈(Gang-Hun Seo) 한국컴퓨터정보학회 2017 韓國컴퓨터情報學會論文誌 Vol.22 No.3
This study intends examine the relevance of factors with negative influences on anti-social sexual awareness formation in adolescents as per the concern of the parents of families with adolescents, as internet pornography exposure in adolescents lead to excessive indulgence in pornographic photographs, cartoons, videos, or fictions, or in video chatting with exposure of one"s own body parts. For this, the factors of internet pornography exposure in the study subjects of adolescents were constructed into a multilateral model, and the structural equation model was analyzed. As the result of the study, the following conclusion were drawn. First, the most powerful factor influencing the anti-social sexual awareness in adolescents was, contrary to the concern of many, not the exposure to pornography through internet media, but personal characteristics such as sensation-seeking tendency and socio-environmental characteristic of differential association. Second, it is worth noting that the most major factor influencing intentional internet pornography exposure by adolescents is another form of pornography exposure. Third, whether intentional or unintentional, the internet-related variable influencing the internet pornography exposure was found to be the amount of internet usage. Fourth, the unintended internet pornography exposure was found to have no direct influence on the sexual awareness of adolescents, but it did have an indirect influence on sexual awareness mediated by intentional internet pornography exposure and existing-media pornography exposure. Based on these study results, the conclusion was drawn regarding the influence of internet pornography on sexual awareness in adolescents.
서강훈 ( Gang-hun Soe ),조병효 ( Byeong-hyo Cho ),홍영기 ( Young-ki Hong ),권경도 ( Kyung-do Kwon ),김경철 ( Kyoung Chul Kim ) 한국농업기계학회 2021 한국농업기계학회 학술발표논문집 Vol.26 No.2
본 연구에서는 토마토의 숙성도를 비파괴적으로 평가하기 위하여 색도계의 적용 가능성을 검토하고자 하였다. 토마토는 전라북도 전주시의 온실에서 수경방식으로 재배하였으며, 품종은 대프니스이었다. 본 연구에서는 착색 전인 녹숙기의 토마토 3개를 샘플로 선정하였으며, 각 샘플의 색도는 휴대용 색도계(CR-20, Konica Minolta, Tokyo, Japan)를 이용하여 측정 및 비교하였다. 토마토의 색도 측정은 2021년 8월23일부터 9월17일 까지 주말을 제외하고 총 18회 실시하였다. 그 결과, L* 값은 숙성이 진행됨에 따라 감소하는 경향을 보였으며, 이는 carotenoid 합성으로 토마토가 어두워지고 녹색이 손실되었기 때문으로 판단된다. a* 값은 숙성이 진행됨에 따라 점차 증가하는 경향을 나타내었으며, 이것은 토마토가 녹색에서 적색으로 변하기 때문으로 사료된다. 한편, b* 값의 경우에는 조금씩 증가하다가 완숙에 가까워지면서 급격히 감소하였으며, 노화가 진행됨에 따라 다시 급격히 증가하는 경향을 나타내었다. 따라서 본 연구에서는 온실에서 토마토의 숙성도를 비파괴적으로 평가하기 위해 색도계가 사용될 수 있음을 확인하였으며, 특히, L* 및 a* 값의 경우 숙성도와 높은 상관관계를 갖는 것으로 나타났다.
A Study on the Effects of Mobile Messenger on the Effect of Youth on Teenagers
Seo, Gang-Hun 한국컴퓨터정보학회 2017 韓國컴퓨터情報學會論文誌 Vol.22 No.4
In this paper, we propose a Recently, the use of Smart phones surge in youth the youth are becoming a big addiction social problems Mobile Messenger. The prevalence of Smart phones is Mobile Messenger, access time, spatial constraints for assured. As a result, pc room, with a focus on traditional Internet addiction is to be reduced, whereas with a focus on Mobile Messenger Smartphone addiction level is rapidly on the rise. Korea information agency of Internet addiction and mobile addiction risk appeared to be well over 10 percent of the rate of 35% is gaming and mobile addiction unfolds exemplifies the seriousness of Messenger. Addiction is the individual's psychosocial problems such as negative consequences can result, causing the addiction, because it is necessary for an understanding of the mechanism. In this study, Mobile Messenger, the leading factors affecting the addiction said. Mobile Messenger is a major factor causing the addiction habit and consider the user's satisfaction. And social relations and the formation of plougastel Wu Mobile Messenger and its impact on the cause of addiction.
청소년의 인터넷 미디어 음란물 노출이 성의식에 미치는 영향에 관한 연구
서강훈(Gang Hun Seo) 한국컴퓨터정보학회 2020 韓國컴퓨터情報學會論文誌 Vol.25 No.3
본 연구에서는 인터넷 음란물 경험이 있는 전국 시도에 재학 중인 고등학생 대상으로 인터넷 음란물 경험과 자기조절력이 성범죄 유해행동에 미치는 영향을 알아보고자 한다. 이 연구를 위해 목적적 유의할당 추론 방법을 사용하여 인터넷 패널 설문조사를 하였다. 기간은 2018년 5월부터 6월까지 약 한달 간 온라인 설문지를 배포하여 246부의 설문지를 얻을 수 있었고 그 중 음란물 경험이 없는 36부를 제외하고 총 210부를 자료 분석 하였고, 성폭력 유해행동 경험이 있는 응답자(85명)를 대상으로 추가적인 분석도 시행하였다. 이를 위하여 분석도구는 SPSS WIN 20.0 프로그램 버젼을 사용하였다. 연구결과는 다음과 같다. 첫째, 인터넷 음란물이 청소년에게 있어 부정적 영향이 있음을 발견 할 수 있었다. 이는 청소년들의 생활에 있어 인터넷을 많이 접함으로 인하여 본인의 의지와 상관없이 음란물을 접촉할 수 있어 성폭력 문제 행동으로 발전할 수 있는 개연성이 나타나고 있다. 둘째, 성폭력 가해행동에 대한 자기 조절력은 본 연구 결과 직접적인 영향은 없는 것으로 밝혀졌다. 이는 청소년 본인 의지만으로 가해행동을 이루어 지는게 아니라 즉 외부환경에 영향을 받고 있다고 할 수 있다. 셋째, 자기 조절력은 인터넷 음란물에 대한 부정적 인식을 완화시켜주는 조절변인으로써의 역할이 있음을 검증하였다. 이를 바탕으로 하여 시사점과 제한점 제언에 대하여 논의 하였다. In this paper we propose a for high school students who are attending a nationwide city with experience in Internet pornography, we would like to find out the impact of Internet pornography experience and self-regulation on sex crime harmful behavior. For this study, an Internet panel survey was conducted using a purposeful method of significant allocation inference. During the period, 246 copies of the questionnaire were distributed for about a month from May to June 2018 and 210 parts were analyzed except for 36 parts with no experience of pornographic material, and further analysis was conducted on 85 respondents with experience in harmful behavior of sexual violence. To this end, analysis tools used the SPS WIN 20.0 program version. The research results are as follows. First, we could find that Internet pornography has a negative effect on teenagers. This shows the probability of developing sexual violence into behavior as people can experience pornographic material regardless of their will due to the high Internet access. Second, the self-regulation of sexual violence behavior is found to have no direct impact. This is not just the adolescent"s will to do so, but it is affected by the external environment. Third, self-regulation has proven its role as a modulator to mitigate negative perceptions of Internet pornography. Based on this, the proposal for limiting current prices was discussed.
노지 생육 모니터링을 위한 이동형 영상 취득 시스템 제작
서강훈 ( Gang-hun Seo ),이철우 ( Chul Woo Lee ),강예지 ( Yeji Kang ),이상호 ( Sangho Lee ),김국환 ( Gookhwan Kim ),홍영기 ( Youngki Hong ) 한국농업기계학회 2023 한국농업기계학회 학술발표논문집 Vol.28 No.2
국내 노지 재배 면적은 최근 3년 기준 약 74,565 ha로 전체 재배면적의 약 93%를 차지하고 있다(KOSIS, 2023). 또한, 최근 인구의 고령화와 농업인구 감소로 인한 노동력 부족의 해결책으로 노지 자동화 연구가 주목되고 있다. 특히 제초, 방제, 관수, 수확 등의 생육 모니터링 모델 개발 연구가 수행되고 있으며, 이를 위해 먼저 다양한 작물의 생육 데이터를 취득하는 기술이 필요하다. 그러나 다양한 작물과 생육 및 비표준화 된 고랑 등의 다양한 환경조건으로 인해 데이터 취득이 어려운 실정이다. 따라서 본 연구에서는 노지에서 안정적으로 작물을 모니터링하기 위한 영상 취득 시스템을 제작하였다. 이 시스템은 영상 시스템, 가변형 시스템 그리고 이동 시스템으로 구성되었다. 첫번째로 영상 시스템은 안정적으로 영상을 취득하기 위해 카메라의 흔들림을 방지하는 짐벌을 설치하였다. 또한 두 번째 가변형 시스템은 알루미늄 프로파일로 제작된 직육면체 형태의 프레임을 사용하였으며, 가로, 세로 그리고 높이의 폭을 조절할 수 있도록 구성하였다. 이 프레임의 가로, 세로, 높이는 각각 1000mm, 1100mm, 1800mm이고, 세로 길이를 제외한 가로, 높이는 각각 400mm, 600mm로 가변 될 수 있도록 제작되었다. 세 번째 이동 시스템은 노지에서 이동하기 위해 고무바퀴를 설치하였다. 이 시스템의 기초 실험을 위해 다중분광 카메라를 설치하여 고추, 콩 등의 영상을 취득하였으며 노지에서 영상 취득 시스템 활용 가능성을 확인하였다. 향후 이 시스템을 사용하여 노지에서 추가적으로 실험을 수행할 계획이다.