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용접방향에 따른 듀플렉스계 스테인리스강용접접합부의 최대내력
김정연 ( Kim Jung Yean ),황보경 ( Hwang Bo Kyung ),홍종화 ( Hong Jong Hwa ),김태수 ( Kim Tae Soo ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
In this study, structural behaviors such as ultimate strength and fracture shape of duplex stainless steel (STS329FLD) fillet-welded connections according to welding direction were investigated through monotonic tensile test. Main variables are weld length and welding direction against the loading direction. Specimens of SDTFW series (transverse to the loading direction) and SDLFW series (longitudinal to the loading direction) failed by tensile fracture and shear fracture, respectively. Ultimate strengths got higher with the increase of weld length and SDTFW series showed higher ultimate strengths than SDLFW series.
곽보경(Bo-Kyeong Kwak),김은지(Eun Ji Kim),박혜연(Hae Yean Park) 대한작업치료학회 2023 대한작업치료학회지 Vol.31 No.4
목적: 본 연구는 작업치료사가 시행한 시간 관련 중재의 효과와 임상 적용에 관하여 체계적으로 분석하였다. 연구방법: 2000년 1월부터 2022년 12월까지 학술연구정보서비스(Research Information Sharing Service), DBpia, PubMed, EMBASE, Web of Science 및 CINAHL을 통해서 ‘장애’, ‘시간관리’, ‘시간보조도구’, ‘중재’, ‘프로그램’, ‘작업치료’를 검색하였다. 해당 문헌들은 PRISMA-2020에 따라 체계적인 검토를 수행하였고, PEDro를 통하여 연구의 질적 평가를 실시하였다. 최종 선정 기준에 부합한 연구는 총 9편이었다. 결과: 선정된 9편의 시간 관련 중재 중 시간기술훈련과 시간보조도구를 혼합하여 사용한 논문은 4편(44.5%), 시간보조도구는 3편(33.3%), 시간기술훈련은 2편(22.2%)이었다. 시간 관련 중재를 적용한 결과 시간기술에서 유의미한 효과를 보였다. 또한 인지 및 일상생활 기능, 작업 수행도 및 만족도, 심리 사회적 요인의 향상이 나타났다. 결론: 본 연구는 시간 관련 중재가 클라이언트의 시간 처리 능력 및 일상생활 수행 및 삶의 질 영역에 긍정적인 효과를 확인하였다. 추후 국내 작업치료 분야에서도 다양한 시간 관련 중재가 활용되기를 기대한다. Objective: This study aimed to systematically review and analyze the effects of time-related interventions. Methods: Using the Research Information Sharing Service, DBpia, PubMed, EMBASE, Web of Science and CINAHL databases, we searched for “Disability”, “Time Management”, “Time Assistive Device”, and “Intervention”, and “Program” in Journals from 2000 to 2020. A systematic review was conducted using PRISMA 2020 and the quality of the study was evaluated through PEDro. A total of nine studies were collected. Results: For all nine studies, time-related interventions provided by occupational therapists significantly improved time skills. Additionally, improvements were observed in cognition/daily life functions, occupational performance, and psychosocial factors. These interventions included time-skill training and time-assistive devices for people with disabilities. Conclusion: Rehabilitation treatment using time-related interventions can be a useful tool with positive effects on time-processing ability and time management. This is expected to be used as clinical evidence in the domestic occupational therapy field.
청소년 문화체험 활동 지원을 위한 상업지역 공개공지 특화 방안
최보연(Choi, Bo-Yean),나수정(Na, Soo-Jeong),우지혜(Woo, Ji-Hye),유형경(Yu, Hyeong-Kyeong),최누리(Choi, Nu-Ri),박수민(Park, Su-min),장혜지(Jang, Hye-ji),김기수(Kim, Gi-Soo) 대한건축학회 2017 대한건축학회 학술발표대회 논문집 Vol.37 No.2
The purpose of this study was to suggest the plan for specialization of open space for public purposes in commercial area to support youth culture experience activities. We selected and analyzed Seongan-gil market in Cheongju as study area. Open spaces for public purpose in the area are classified into five types (for commerce, for parking, for arrangement of obstacles, for relaxation, and the others) depending on the purposes of use. To support youth culture experience activities, commercial activities in the open space should be regulated to a certain extent or cultural experience programs linked to sale items in shop should be developed. Besides, the space should be able to accommodate various youth activities through promotion of public transportation convenience, expansion of parking lots, and vehicle traffic restrictions.
시판 세탁 후처리제의 반복사용이 직물의 쾌적감과 방염성에 미치는 영향
권순아,김남현,이정은,이지연,진병호,황보승 연세대학교 생활과학대학 1988 婦學 Vol.21 No.-
The purpose of this study was to investigate the effects of laundering with fabric softener on fabric comfort properties and flame retardancy. Cotton, P/C and polyester were laundered with 2 kinds of fabric softeners: One was acid type the other was neutral type. The fabrics were then tested in its liquid state for their stiffness, anti-static property, moisture absorption, wicking and flame retardancy. The result of this study were as follows: 1. Stiffness between fabrics treated those with softeners and without softeners indicated no significant difference. 2. Anti-static property of most fabrics was improved, except cotton. 3. Except polyester, rate of moisture absorption was faster by treating with softeners. 4. Rate of wicking was significantly slower for fabrics laundered with fabric softeners. 5. The use of fabric softeners reduced flame retardancy of fabrics This study indicated that repeated laundering with fabric softeners gave little or no measurable improvement in the comfort related properties and flame retardancy.
발달지연 아동의 학교준비도 향상을 위한 작업치료 프로그램 효과에 대한 사례 연구: 적응기술, 일상생활기술 영역을 중심으로
김은지(Eun Ji Kim),곽보경(Bo-Kyeong Kwak),박혜연(Hae Yean Park) 대한신경계작업치료학회 2024 재활치료과학 Vol.13 No.1
목적 : 본 연구는 발달지연 아동을 대상으로 작업치료 프로그램이 학교준비도의 적응기술 영역과 일상생활기술 영역에 미치는 영향을 알아보고자 하였다. 연구방법 : 본 연구는 발달 지연의 만 5세 8개월 남아 1명을 대상으로 하였다. 프로그램은 1주일에 2번, 4주 동안 총 8회기 진행되었다. Canadian Occupational Performance Measure (COPM)를 실시하였으며 목표 활동은 수업 준비하기와 화장실 이용하기였다. 사전-사후 검사와 후속 평가를 통하여 대상자의 변화를 비교하였다. 자료 분석은 대상자의 수행을 비디오로 녹화하여 실시하였다. 결과 : COPM의 결과는 수업 준비하기와 화장실 이용하기에서 수행도와 만족도 모두 향상을 보였다. 처리기술은 수업 준비하기에서 7개, 화장실 이용하기에서 8개의 향상을 나타냈다. 작업 수행 관찰결과 수업 준비하기와 화장실 이용하기에서 사후 검사와 후속 평가에서 향상된 결과를 나타냈다. 결론 : 작업치료는 발달지연 아동의 학교준비도 적응기술과 일상생활기술을 향상시키며 학교준비에 긍정적인 영향을 미친다. Objective : The purpose of this study was to examine the effects of an occupational therapy program on the school readiness, focusing on adaptation skills and daily life skills, in children with developmental delays. Methods : The study involved a boy with developmental delay, aged 5 years and 8 months. The program was conducted twice a week, with a total of 8 sessions spread over 4 weeks. The Canadian Occupational Performance Measure (COPM) was employed, targeting class preparation and use of the toilet. Pre-post tests and follow-up evaluations were carried out to compare changes. Data analysis involved video recordings of the subject's performance. Results : The COPM results indicated improvements in both the performance and satisfaction levels for class preparation and toilet use. Processing skills showed seven improvements in class preparation and eight improvements in toilet use during post-testing. Activity performance observations further confirmed improvements in both class preparation and toilet use during post-test and follow-up evaluations. Conclusion : Occupational therapy improves school readiness (adaptation skill, daily living activity skill) for children with developmental delays, and has a positive effect on overall school readiness.
N-glycan maturation and plant development
Wahyu Indra Fanata,Kyoung Hwan Lee,Bo Hwa Son,Jae Yong Yoo,Rikno Harmoko,Ki Seong Ko,Nirmal Kumar Ramasamy,Kyung Hwa Kim,Hyun Suk Jung,Jae-Yean Kim,Sang Yeol Lee,Kyun Oh Lee 한국당과학회 2012 한국당과학회 학술대회 Vol.2012 No.1
Plant produce complex N-glycans with ß1,2-xylose and core α1,3-fucose residues linked to the conserved core oligosaccharide. Production of heterologous glycoprotein in plants for therapeutic purposes is limited by the presence of plant specific oligosaccharide residues that are considered to arouse immunogenic response in the recipient body. Therefore, efforts for developing humanized N-glycosylation system in plants are required for the large scale production of safe therapeutic glycoproteins. In this regard, we isolated a rice mutant lacking complex N-glycans. However, the mutant showed severe developmental defects such as retarded shoot and root development, failure in tiller formation, and finally resulted in early developmental lethality. It is also shown that the mutant contains low amount of cellulose and high content of lignin. Interestingly, callus induced from the mutant seeds was maintainable and proliferate similarly compared with that of WT despite the size were relatively smaller.