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휴대전화기 평가 사례를 통한 유니버설디자인 평가 도구 개발 프로세스
김미연,정의승,박성준,Kim, Mi-Yeon,Jung, Eui-S.,Park, Sung-Joon 대한인간공학회 2006 大韓人間工學會誌 Vol.25 No.4
The concept of universal design has recently emerged as an important aspect of product design. Universal design is considerably analogous to ergonomic design in a way that it takes the capabilities and limitations of users into consideration during the product development process. However, relatively few studies have been devoted to reflect the practical use of ergonomic principles on universal design. This research attempts to develop a universal design index for mobile phone design to quantify how well a product complies with principles of universal design. The research also emphasizes on ergonomic principles as a basis of evaluation. A generation of the evaluation items was done by cross-checking among the personal, activity and product components. Personal components consist of human characteristics including age, physique, perceptual capacity, life-style, etc. Activity components were derived from those scenarios of mobile phone use while product components were composed of the parts to which a user interacts. Further analysis systematically generated a universal index from relationship matrices among the three components. The index was then used to test its suitability by applying to the evaluation of mobile phones currently on the market. This study demonstrates a development process through which evaluations can be made possible for universal design. The research suggests an improved approach to the appraisal of how well mobile phones are universally designed based on ergonomic principles.
김미연,김민아,황지홍,김선화,정용진,Kim, Mi-Yeon,Kim, Mina,Hwang, Ji Hong,Kim, SunHwa,Jeong, Yong-Jin 한국식품저장유통학회 2017 한국식품저장유통학회지 Vol.24 No.6
된장은 대두를 주원료로 하는 한국의 대표적인 전통발효 식품임이나, 국민건강영양조사에서 고나트륨을 가지는 식품군에 분류되었다. 각종 질병의 원인이 될 수 있는 나트륨 과다섭취에 대한 저나트륨 된장의 개발이 필요한 실정으로, 품질에 크게 영향이 없이도 나트륨 함량이 적은 장류의 개발은 지속적으로 연구되어야 하는 과제이다. 따라서 본 연구에서는 나트륨 함량을 12.5%-45%까지 저감하도록 실험을 설계하여 적용하여 된장 담금을 진행하였으며, 그 품질적 특성을 분석하고자 하였다. 나트륨의 저감화가 된장의 관능적 품질에 영향을 미치는지 pH, 염도 및 수분, 나트륨함량, 색도, 아미노산성 질소함량, 유리아미노산, 구성아미노산조성을 평가하여, 그 특성을 비교 분석하였다. 나트륨의 저감화는 pH와 수분, 염도에 크게 영향을 미치지 않았으며, 대조구와 같은 범위에서의 품질을 유지하였다. 나트륨함량은 실제로 비례적으로 감소되었으며, 아미노산성 질소는 500 mg%수준이었다. 대량으로 된장업체에서 제조한 25% 저염된 된장의 대체소재를 사용하는 것은 최종 된장의 나트륨함량을 줄이면서도 된장의 품질에 큰 영향을 미치지 않을 것으로 사료된다. Although Doenjang is a representative traditional fermented food in Korea, made mainly from soybeans, it has been classified into a food group identified as having high sodium in the National Health and Nutrition Examination. It is necessary to develop a low sodium Doenjang to prevent the excessive sodium intake which may cause various diseases. However, the development of Doenjang with low sodium, without significant changes on quality, is an ongoing challenge. Therefore, the experiment was designed to reduce the salt content of the soaking water to 12.5-45%. The pH, saltiness. moisture, sodium, color, amino-type nitrogen, free amino acids and constituent amino acids composition of Doenjang were investigated to determine the effect of this salt reduction on the sensory quality of Doenjang. The reduction of sodium did not affect the pH, moisture and saltiness, and this changed maintained the same range as the control. The sodium content was reduced proportionally, and the amino acid nitrogen level was 500 mg%. Therefore, this study considered that a reduction of 25% of salt in the soaking water does not affect the quality of the Doenjang while reducing the sodium content of the final Doenjang.
김미연,이철민,이동훈,문창주,Kim, Mi-Yeon,Lee, Cheol-Min,Lee, Dong-Hoon,Moon, Chang-Joo 한국데이터전략학회 2007 Journal of information technology applications & m Vol.14 No.3
Role-based access control (RBAC) models are recently receiving considerable attention as a generalized approach to access control. In line with the increase in applications that deal with spatial data. an advanced RBAC model whose entities and constraints depend on the characteristics of spatial data is required. Even if some approaches have been proposed for geographic information systems. most studies focus on the location of users instead of the characteristics of spatial data. In this paper. we extend the traditional RBAC model in order to deal with the characteristics of spatial data and propose new spatial constraints. We use the object-oriented modeling based on open GIS consortium geometric model to formalize spatial objects and spatial relations such as hierarchy relation and topology relation. As a result of the formalization for spatial relations. we present spatial constraints classified according to the characteristics of each relation. We demonstrate our extended-RBAC model called OOGIS-RBAC and spatial constraints through case studies. Finally. we compare our OOGIS-RBAC model and the DAC model in the management of access control to prove the efficiency of our model.
항혈소판제를 복용한 환자에서 내치핵에 의한 생명을 위협하는 다량의 하부위장관 출혈
김미연 ( Mi Yeon Kim ),송현주 ( Hyun Joo Song ),김성현 ( Sung Hyun Kim ),조유경 ( Yoo Kyung Cho ),김흥업 ( Heung Up Kim ),송병철 ( Byung Cheol Song ),장원영 ( Weon Young Chang ),김승형 ( Seung Hyoung Kim ) 대한소화기학회 2012 대한소화기학회지 Vol.60 No.4
A Dieulafoy lesion in the rectum is a very rare and it can cause massive lower gastrointestinal bleeding. An 83-year-old man visited our hospital. He had chronic constipation and had taken aspirin for about 10 years because of a previous brain infarction. He was admitted because of a recent brain stroke. On the third hospital day, he had massive hematochezia and suddenly developed hypovolemic shock. Abdominal computed tomography showed active arterial bleeding on the left side of the mid-rectum. Emergency sigmoidoscopy showed an exposed vessel with blood spurting from the rectal wall. The active bleeding was controlled successfully by an injection of epinephrine and two hemoclippings. On the fourth day after the procedure, he had massive recurrent hematochezia, and his vital signs were unstable. Doppler-guided hemorrhoidal artery band ligation was performed urgently at two sites. However, he rebled on the third postoperative day. Selective inferior mesenteric angiography revealed an arterial pseudoaneurysm in a branch of the superior rectal artery, as the cause of rectal bleeding, and this was embolized successfully. We report a rare case of life-threatening rectal bleeding caused by a Dieulafoy lesion combined with pseudoaneurysm of the superior rectal artery which was treated successfully with embolization.