• 한국의상디자인학회지
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• 제16권4호
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• pp.229-235
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• 2014

This study conducted a research on burn-out printing convergence technology for cellulose blend knit fabrics. Printing technology, which forms color pattern on the fabric, can be generally classified into four according to printer or printing method, e.g. screen printing, roller printing, rotary printing, digital printing. However, these printing methods are flat in design or pattern, which have limitation to overcome monotonousness of fabric, so that recently burn-out process method, which expresses three-dimensional pattern effect by treating chemical on the surface of fabric as the method to appeal its esthetics to the customers. Particularly, in case of cellulose/polyester composite material, first, it is proceeded in 2 processes, by dyeing cellulose or polyester fabric and burning out cellulose fabric, in this process, due to pollution caused by disperse dye migration, color of polyester fabric part could be discolored, which has high falt risk. This research considered coloring burn-out technique, which simultaneously proceed dyeing and burn-out by reducing dyeing and burn-out process to 1 stage, which were proceeded in 2 stages previously. As the research result, it was confirmed that reasonable depth of roller was 0.04~0.06mm in roller printing process, heat treatment condition of burn-out far-infrared radiation was $185^{\circ}C{\times}30m/min$. Color fastness to washing was confirmed to be 4-5 grade, color fastness to rubbing, 3-4 grade, color fastness to light, 4 grade. Also, it was confirmed that energy reduction effect appeared 38.19%, in case of energy cost per yard compared to the existing production, also, 19.74%, in case of production cost.

• 한국가스학회지
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• 제8권1호
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• pp.30-36
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• 2004

최근 들어 가장 경제적인 에너지원 중의 하나인 가스의 사용이 확대되고 있으나 안전관리 미숙으로 수많은 가스사고가 발생하고 있다. 가스사고의 중요한 원인은 현행 가스안전제어시스템이 수동제어 매카니즘에 크게 의존하는데 있다 본 논문에서는 현장의 가스농도감지에서부터 차단밸브 제어까지 일련의 핵심적인 기능을 컴퓨터에 의해 자동화하고, 통합적으로 관리하기 위한 프로토 타입을 설계하고 구현하였다. 이러한 자동화 시스템은 디지털 네트워크로 연결되기 때문에 원격 제어가 가능하다는 특징이 있다. 특히, 본 논문에서 제안한 자동화 안전 시스템은 가스누출에 대한 상황파악 및 이에 대한 대처가 실시간대에 이루어지기 때문에 사고의 위험성과 피해를 대폭적으로 경감할 수 있다.

• 한국농림기상학회지
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• 제4권3호
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• pp.133-140
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• 2002

Site-specific minimum temperature forecasts are critical in a short-term decision making procedure for preventive measures as well as a long-term strategy such as site selection in fruits industry. Nocturnal cold air pools frequently termed in mountainous areas under anticyclonic systems are very dangerous to the flowering buds in spring over Korea, but the spatial resolution to detect them exceeds the current weather forecast scale. To supplement the insufficient spatial resolution of official forecasts, we developed a GIS - assisted frost risk assesment scheme for using in mountainous areas. Daily minimum temperature data were obtained from 6 sites located in a 2.1 by 2.1 km area with complex topography near the southern edge of Sobaek mountains during radiative cooling nights in spring 2001. A digital elevation model with a 10 m spatial resolution was prepared for the entire study area and the cold air inflow was simulated for each grid cell by counting the number of surrounding cells coming into the processing cell. Primitive temperature surfaces were prepared for the corresponding dates by interpolating the Korea Meteorological Administration's automated observational data with the lapse rate correction. The cell temperature values corresponding to the 6 observation sites were extracted from the primitive temperature surface, and subtracted from the observed values to obtain the estimation error. The errors were regressed to the flow accumulation at the corresponding cells, delineating a statistically significant relationship. When we applied this relationship to the primitive temperature surfaces of frost nights during April 2002, there was a good agreement with the observations, showing a feasibility of site-specific frost warning system development in mountainous areas.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2017년도 추계학술대회
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• pp.197-198
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• 2017

본 연구는 최근 4차 산업혁명으로 대변되는 VR 시뮬레이터 산업의 문제점을 파악하고 산업촉진을 위한 방안을 고찰하는 것을 목적으로 한다. 이를 위하여 VR 시뮬레이터 관현 법령을 고찰하고 그 문제점이 무엇인지 살펴본다. VR 시뮬레이터는 기존의 아케이드 게임물과 유원시설물의 특징을 동시에 갖고 있기 때문에 보는 입장에 따라 게임물로 등급분류를 받거나 유원시설물로 검사를 받아야 한다. 이는 2중 규제가 될 수 있으며 VR 시뮬레이터 산업이 태동도 하기 전에 기존의 법적인 한계에 의해 산업자체가 고사할 수 있는 위험이 도사리고 있다. 이를 위해 VR 시뮬레이터 고유의 법 제도가 마련될 필요가 있으며 그러한 법과 제도에 담아야 할 내용에 대한 고찰이 필요한 것이다. VR 시뮬레이터의 법 제도 마련은 새로운 산업의 촉진으로 이어 질 것으로 기대 된다.

• Archives of Plastic Surgery
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• 제38권4호
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• pp.508-511
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• 2011

Purpose: Blue toe syndrome consists of blue or purplish toes in the absence of a history of obvious trauma, serious cold exposure, or disorders producing generalized cyanosis. It is a life-threatening and still underrecognized disease. It can be commonly occurred by vascular surgery, invasive cutaneous procedures or anticoagulant therapy. Our case is presented of blue toe syndrome related to atheromatous embolization that was presumably triggered by angio CT. Methods: A 69-year-old man presented with the suddenly developed pain, cyanosis and livedo reticularis of the toes in right foot. Dorsalis pedis pulses were palpable. He had been performed a diagnostic angio CT 1 month earlier. Angio CT revealed diffuse aortic atheromatous plaque in lower abdominal aorta and both common iliac artery. One month after angio CT, he visited our clinic. There was no visible distal first dorsal metatarsal artery and digital artery of right first toe in lower extremity arteriography. A diagnosis was established of blue toe syndrome. Because his symptom was aggravated, we performed the exploration of the right foot. After exposure of first dorsal metatarsal artery, microsurgical atheroembolectomy was done. Results: There were no postoperative complications. After three months the patient had no clinically demonstrable problems. Conclusion: Patient with blue toe syndrome is at high risk of limb loss and mortality despite treatment. Blue toe syndrome produces painful, cyanosed toes with preserved pedal pulses. It needs to be aware of blue toe syndrome. Careful history should reveal the diagnosis. Treatment is controversial, however, most believe that anticoagulation therapy should be avoided.

• 한국문헌정보학회지
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• 제43권3호
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• pp.31-58
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• 2009

디지털지식정보 환경에서 기록은 업무처리와 더욱 밀접한 관계를 가지면서 조직의 경영활동에 핵심적 요소로 부각되고 있다. 실제, 경영은 업무 성과물의 집합체로 표현되며, 조직의 컴플라이언스, 지식경영, 리스크 관리 측면에서 기록관리의 중요성은 날로 증대하고 있다. 하지만 이러한 경영 및 기록 환경의 변화에도 불구하고, 기록관리와 경영활동 간의 실제적 상관성을 밝히는 학술적 논의는 부재한 것이 현실이다. 이에 본 연구는 공공기관의 기록관리 발전을 위해, 양자간의 상관성에 대한 규명과 인지가 선행되어야 한다는 인식 아래, 현 공공기관 경영평가모델의 토대가 된 말콤 볼드리지 모델과 기록관리표준을 중심으로 기록관리와 경영품질 및 성과 간의 밀접한 상관성을 제시한다. 구체적으로는, 경영평가모델 평가지표 속의 기록관리 요소와 기록관리표준에서의 경영품질 요소를 추출 비교분석하며, 이를 통해 상호 공통된 요소와 사각지대로 남아있는 요소들을 기록관리 측면에서 고찰한다.

• 스마트미디어저널
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• 제7권3호
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• pp.51-56
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• 2018

바나나는 유엔식량농업기구가 지정한 세계에서 여덟 번째로 중요한 작물이며, 주요 식량인 밀, 쌀, 옥수수 다음으로 지구상에서 생산량이 네 번째로 많다. 맛뿐만 아니라 영양분도 풍부하며 미래의 주요 식량자원으로도 주목받는 과일이다. 하지만 바나나는 인류의 이기심에서 비롯된 비정상적인 재배방법 때문에 오늘날 멸종위기에 처해 있다. 본 연구의 목적은 교과과정을 통해 농업혁명에 대한 배경 지식이 있는 중 고등학생들에게 바나나 멸종에 관한 정보를 쉽고 흥미롭게 전달할 수 있는 디지털 정보 콘텐츠를 개발하는 것이다. 바나나가 멸종위기에 처하게 된 원인과 과정을 스토리텔링 기법을 활용하여 선형적 구조로 보여줌으로써 사용자들이 흥미를 갖도록 하였다. 또한 여러 단계로 구성된 스토리와 각각의 스토리를 뒷받침하는 정보 그래픽의 관계를 상하로 움직이는 병렬구조를 활용하여 시각화시킴으로써 본 콘텐츠와 사용자 사이의 자연스러운 상호작용이 일어나도록 하였다. 본 연구를 통해 멸종위기 종에 대한 인류의 관심이 증대되기를 기대한다.

• Earthquakes and Structures
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• 제10권1호
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• pp.53-71
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• 2016

Unconventional computer vision and image processing techniques offer significant advantages for experimental applications to shaking table testing, as they allow the overcoming of most typical problems of traditional sensors, such as encumbrance, limitations in the number of devices, range restrictions and risk of damage of the instruments in case of specimen failure. In this study, a 3D motion optical system was applied to analyze shake table tests carried out, up to failure, on a natural-scale masonry structure retrofitted with steel reinforced grout (SRG). The system makes use of wireless passive spherical retro-reflecting markers positioned on several points of the specimen, whose spatial displacements are recorded by near-infrared digital cameras. Analyses in the time domain allowed the monitoring of the deformations of the wall and of crack development through a displacement data processing (DDP) procedure implemented ad hoc. Fundamental frequencies and modal shapes were calculated in the frequency domain through an integrated methodology of experimental/operational modal analysis (EMA/OMA) techniques with 3D finite element analysis (FEA). Meaningful information on the structural response (e.g., displacements, damage development, and dynamic properties) were obtained, profitably integrating the results from conventional measurements. Furthermore, the comparison between 3D motion system and traditional instruments (i.e., displacement transducers and accelerometers) permitted a mutual validation of both experimental data and measurement methods.

• 한방재활의학과학회지
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• 제31권4호
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• pp.25-34
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• 2021

Objectives This study was conducted to evaluate the therapeutic effect of acupuncture after rotator cuff surgery. Methods Key words such as rotator cuff surgery and acupuncture were searched in 10 databases (Ovid-Medline, Ovid-EMBASE, Ovid-AMED, Cochrane Library, China National Knowledge Infrastructure [CNKI], National Digital Science Library [NDSL], Koreanstudies Information Service System [KISS], Oriental medicine Advanced Searching Integrated System [OASIS], KoreaMed, KMBASE), and only suitable randomized controlled trials (RCTs) were selected. Results 6 RCTs were finally selected, and acupuncture showed positive results for pain relief and functional recovery after rotator cuff surgery. However, the analyzed 6 RCTs showed a high overall risk of bias. Conclusions In the future, RCTs with a higher level of evidence on the effect of acupuncture after rotator cuff surgery need to be continuously conducted.

• 한방재활의학과학회지
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• 제31권4호
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• pp.35-47
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• 2021

Objectives This study was conducted to evaluate the therapeutic effect of herbal medicine after total knee arthroplasty. Methods Key words such as total knee arthroplasty and herbal medicine were searched in 10 databases (Ovid-Medline, Ovid-EMBASE, Ovid-AMED, Cochrane Library, China National Knowledge Infrastructure [CNKI], National Digital Science Library [NDSL], Koreanstudies Information Service System [KISS], Oriental medicine Advanced Searching Integrated System [OASIS], KoreaMed, KMBASE), and only suitable randomized controlled trials (RCTs) were selected. Results 8 RCTs were finally selected, and herbal medicine showed positive results for pain relief and functional recovery after total knee arthroplasty. However, the analyzed 8 RCTs showed a high overall risk of bias. Conclusions In the future, RCTs with a higher level of evidence on the effect of herbal medicine after total knee arthroplasty need to be continuously conducted.