• Macromolecular Research
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• 제9권1호
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• pp.20-29
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• 2001

Interfacial adhesion and nondestructive behavior of electrodeposited (ED) carbon fiber rein-forced composites were evaluated using electro-micromechanical techniques and acoustic emission (AE). The interfacial shear strength (IFSS) of the ED carbon fiber/epoxy composites was higher than that of the untreated fiber. This might be expected because of the possibility of chemical or hydrogen bonding in an electrically adsorbed polymeric interlayer. The logarithmic electrical resistivity of the untreated single-carbon fiber composite increased suddenly to infinity when fiber fracture occurred, whereas that of the ED composite increased relatively gradually to infinity. This behavior may arise from the retarded fracture time due to enhanced IFSS. In single- and ten-carbon fiber composites, the number of AE signals coming from interlayer failure of the ED carbon fiber composite was much larger than that of the untreated composite. As the number of the each first fiber fractures increased in the ten-carbon fiber composite, the electrical resistivity increased stepwise, and the slope of the logarithmic electrical resistance increased.

• 한국항행학회논문지
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• 제13권1호
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• pp.74-78
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• 2009

본 논문은 IP-USN 기반의 FDA(Fault Detection Agent)의 설계와 구축을 설명한다. FDA는 IP-USN 기반의 홈 네트워크 환경에서 멀티미디어 원격 교육을 위한 소프트웨어 오류를 감지하기에 적합한 에이전트이다. 이 시스템은 ED, ES로 구성되어 있다. ED는 IP-USN 기반 환경에서 멀티미디어 원격 교육을 위하여 훅킹 기법으로 오류를 감지하는 에이전트이다. ES는 IP-USN 기반 환경에서 멀티미디어 원격 교육을 위하여 오류를 공유하는 에이전트이다.

• BMB Reports
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• 제37권5호
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• pp.515-521
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• 2004

The tricarboxylate (or citrate) carrier was purified from eel liver mitochondria and functionally reconstituted into liposomes. Incubation of the proteoliposomes with various sulfhydryl reagents led to inhibition of the reconstituted citrate transport activity. Preincubation of the proteoliposomes with reversible SH reagents, such as mercurials and methanethiosulfonates, protected the eel liver tricarboxylate carrier against inactivation by the irreversible reagent N-(1-pyrenyl)maleimide (PM). Citrate and L-malate, two substrates of the tricarboxylate carrier, protected the protein against inactivation by sulfhydryl reagents and decreased the fluorescent PM bound to the purified protein. These results suggest that the eel liver tricarboxylate carrier requires a single population of free cysteine(s) in order to manifest catalytic activity. The reactive cysteine(s) is most probably located at or near the substrate binding site of the carrier protein.

• 한국정보전자통신기술학회논문지
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• 제1권3호
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• pp.49-52
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• 2008

본 논문은 홈 네트워크 환경에서 멀티미디어 원격 교육을 위한 소프트웨어 오류를 감지하기에 적합한 에이전트이다. 이 시스템은 ED, ES로 구성되어 있다. ED는 홈 네트워크 환경에서 멀티미디어 원격 교육을 위하여 훅 킹 기법으로 오류를 감지하는 에이전트이다. ES는 홈 네트워크 환경에서 멀티미디어 원격 교육을 위하여 오류를 공유하는 에이전트이다. 멀티미디어 공동 작업 환경의 관점에서 오류 공유는 협동 작업에 참가하는 참가자에게 상호작용적으로 오류를 공유한다.

• 멤브레인
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• 제1권1호
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• pp.5-12
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• 1991

Since the discovery of the Loeb-Sourirajan reverse osmosis membrane, thirty years have passed and many membrane technologies and new membranes for applications have been developed in the world. In the early stage of these developments Japan has not contributed much, but from the middle of 70ties Japan has started its own R&D projects starting from the desalination technology, and now various private industries and government ministries are actively engaging in R & D of membrane technologies in Japan. In Table 1 the chronological developments of important events of developments and projects relating membrane technologies inside and outside of Japan are introduced and their details will be explained. The first membrane technology applied in the Japanese industry was a electrodialysis(ED) process using ion-exchange membranes. These membranes were first developed in early 50ties and the Japanese government decided to use this method for concentration of sea-water to produce salt, which was then produced by solar evaporation. This development program started from 1960 by the Japan Monopoly Corp.(at that time). To apply ED process for sea-water concentration it was necessary to develop ion-exchange membranes having very low electric resistance to avoid energy loss due to Joule heat, and those having selectivity to permeate single valent ions only to avoid scale formation in the ED stacks. Three Japanese companies, Asahi Glass, Asahi Chemical and Tokuyama Soda, have succeeded to develop such membranes, and until 1971 all of the seven salt manufacturing companies had adopted ED for production of food salt.

• 한국도서관정보학회지
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• 제34권1호
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• pp.287-311
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• 2003

본 연구는 KDC 4판, DDC 21판, LCC 3판의 종교류의 강목, 종교공통구분, 표준구분 및 기독교에 관한 전개항목을 KDC 4판의 요목 순에 의하여 비교 고찰하였다. 따라서 기독교 분야는 \circled1 기독교신학, 교의학(조직신학), \circled2 예수 그리스도, \circled3 성서, \circled4 신앙록, 명상록, 신앙생활, \circled5 전도, 교육, 교화활동, 목회학, \circled6 교회론, \circled7 예배, 전례, 성례, \circled8 교파에 관한 전개항목을 학문연구과정, 세 분류표의 전개항목 및 특성 둥을 비교 고찰하여 보다 나은 기독교 분야의 분류표 작성에 이론적 근거를 제시하기 한 것이다.

• 재활치료과학
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• 제9권1호
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• pp.56-68
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• 2020

목적 : 본 연구는 치매로 인한 이상행동으로 인하여 음식물의 섭취에 영향을 보이는 환자들을 대상으로 행동관찰에 기반하여 식이 문제를 파악할 수 있는 국외의 체계화된 평가 도구들을 소개하고, 전문가 집단에 의한 내용타당도 검증을 통하여 한국화 하는 데 있다. 연구 방법 : 폭넓은 관련 문헌 검색에 기초한 수차례의 회의를 통하여 최종으로 한국판으로 개발할 평가도구 3종(Eating Behavior Scale; EBS, Edinburgh Feeding Evaluation in Dementia Scale; EdFED, Feeding Difficulty Index; FDI)을 선택하였다. 수정된 평가 도구 3종은 연구진들에 의하여 1차 번역되었으며, 9인으로 구성된 전문가팀을 대상으로 내용타당도지수(Content Validity Index; CVI)를 검증 하였다. 결과 : EBS 내용타당도 산출 결과 6개의 질문 항목 및 1개의 응답 항목 모두에서 CVI가 0.9 이상인 것으로 나타나 항목의 수정 없이 모든 항목을 한국판 EBS에 수록하였다. EdFED 내용타당도 산출 결과 11개의 질문 항목 모두에서 CVI값 0.9 이상인 것으로 나타나 항목의 수정 없이 모든 항목을 한국판 EdFED에 수록하였다. FDI의 내용타당도 산출 결과 19개의 질문 항목 모두에서 CVI값 0.8 이상인 것으로 나타나 항목의 수정 없이 모든 항목을 한국판 FDI에 수록하였다. 결론 : 국외에서 많이 활용되고 있는 치매 환자 대상의 행동 관찰기반 식이 평가도구 인 EBS, EdFED, FDI의 한국판을 개발하였다. 관찰기반의 한국판 평가 도구를 통하여 치매 환자들의 식이 관련 문제점들을 조기에 판단하고, 적절한 중재를 제공하는 것은 환자의 영양섭취 강화와 보호자의 부담 저하 측면에서 매우 중요하게 활용될 수 있을 것이다.

• 한국막학회:학술대회논문집
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• 한국막학회 2004년도 Proceedings of the second conference of aseanian membrane society
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• pp.19-24
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• 2004

ED method is employed to effectively remove the organic acid salts in actual PDO fermentation broth. The lower electrical potential is selected to avoid the serious membrane fouling so as to ensure a stable and durative desalination process. Under the selected operation conditions, about 90% of organic acids salts are removed from PDO fermentation broth successfully by ED process. To reduce the loss of PDO product due to the diffusion, the operation time should be considered carefully. And based on mass balance equation and irreversible thermodynamics approach, a mathematical model is developed to describe the desalination process of an aqueous solution containing neutral solute by ED method. While the influence of concentration polarization is reflected by decreasing the conductivity of membrane, the model is verified well to describe the ED processes under varied operation conditions. Through the model, ED process of actual PDO fermentation broth is simulated to get a suitable scope of initial concentration in concentrated compartment.

• 한국임상약학회지
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• 제32권2호
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• pp.67-73
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• 2022

Objectives: Hyponatremia is prevalent electrolyte disorder and can be fatal in older adults. Evaluative studies on hyponatremia among older adults are scarce, especially targeting for those who visited emergency department (ED). We aimed to estimate the prevalence and to identify risk factors of hyponatremia among elderly patients visiting the ED. Methods: A retrospective chart review was completed including 65 or older patients who visited ED at Seoul National University Bundang Hospital from September to December 2019. Patients with the serum sodium concentration of less than 130mEq/L was defined as a hyponatremia group. Logistic regression analysis was conducted to assess predictive factors for hyponatremia. Results: Of the total 2,445 patients, 155 (6.3%) were confirmed to have hyponatremia at the time of ED visits. Risk factors for hyponatremia identified in logistic regression analysis were thiazides (aOR=2.64, 95% CI 1.66-4.21), opioids (exclude tramadol) (aOR=3.45, 95% CI 1.72-6.94), and desmopressin (aOR=6.98, 95% CI 2.45-19.84). Compared to the use of thiazides alone, it was confirmed that the possibility of hyponatremia was more than quadrupled when proton pump inhibitor (PPI) was used together (aOR=4.08, 95% CI 1.74-9.55). Conclusions: About 6.3% of older adults visiting the ED had hyponatremia. Age, number of medications taken, previous history of hyponatremia, heart failure, cirrhosis, pneumonia, sepsis, prescribed drugs including thiazides, opioids (exclude tramadol), or desmopressin or taking PPI together with thiazides was confirmed to correlate with the risk of hyponatremia.

• 산업공학
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• 제1권1호
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• pp.85-99
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• 1988

High Touch product is characterized by shorter life cycle together with specification/integration of existing function in order to capitalize the rapidly emerging high technology. R & D strategy for a development of High Touch product generally emphasizes two aspects ; Industrial Design (ID) and Ergonomic Design (ED). However, working knowledge on ED of a systematic identification of potential High Touch products is not readily available. The purpose of this study was three-folded : (1) To emphasize the fact that greater efforts should be geared to ED in High Touch design ; (2) To develop an ergonomic approach based on analysis of implicit human needs that identifies potential area of High Touch ; (3) To bubble with new and probable High Touch products in home electronics that actually demonstrate the validity of this study.