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김이영(Lee Young Kim),박민여(Park Meeg nee) 한국복식학회 2005 服飾 Vol.55 No.3
Distance Learning Education has been adopted as an alternative educational method to actively face the changing educational field. Fashion design education essentially requires not only a theoretical but also a practical process in which feedback comes through personal interactions between an instructor and a student. Hence, the existing WBI system exemplifies its limitations by applying only a one-way methodology that limit interactions based only on the theoretical texts. The objective of this study was to reveal the effects of an originally designed Distance Education program factoring in a teaching-learning methodology that addresses the practical demands of a fashion design program. So It analyzed the pre-existing conditions through a questionnaire survey of 472 students and 60 fashion design instructors to determine how the traditional fashion design education is different from other programs and which method is being applied. then. It designed and applied an original web-based distance educational system specifically incorporating the needs of the fashion design curriculum based on the data collected from the survey questionnaire.
활동성 결핵의 중증도 및 병변 부위에 따른 전혈 인터페론 감마 분비능 측정의 민감도
김이영 ( Yi Young Kim ),이재희 ( Jae Hee Lee ),이윤지 ( Yoon Jee Lee ),이소연 ( So Yeon Lee ),이용훈 ( Yong Hun Lee ),최금주 ( Keum Ju Choi ),황보엽 ( Bo Yup Hwang ),차승익 ( Seung Ick Cha ),박재용 ( Jae Yong Park ),정태훈 ( Tae H 대한결핵 및 호흡기학회 2011 Tuberculosis and Respiratory Diseases Vol.70 No.2
Background: The clinical manifestation of M. tuberculosis infection ranges from asymptomatic latent infection, to focal forms with minimal symptoms and low bacterial burdens, and finally to advanced tuberculosis (TB) with severe symptoms and high bacillary loads. We investigated the diagnostic sensitivity of the whole-blood interferon-y release assay according to the wide spectrum of clinical phenotypes. Methods: In patients diagnosed with active TB that underwent QuantiFERON(R) (QFT) testing, the QFT results were compared with patients known to be infected with pulmonary tuberculosis (P-TB) and extra-pulmonary TB (EP-TB). In addition, the results of the QFT test were further analyzed according to the radiographic extent of disease in patients with P-TB and the location of disease in patients with EP-TB. Results: There were no statistical differences in the overall distribution of QFT results between 177 patients with P-TB and 84 patients with EP-TB; the positive results of QFT test in patients with P-TB and EP-TB were 70.1% and 64.3%, respectively. Among patients with P-TB, patients with mild extents of disease showed higher frequency of positive results of QFT test than that of patients with severe form (75.2% vs. 57.1%, respectively; p=0.043) mainly due to an increase of indeterminate results in severe P-TB. Patients with TB pleurisy showed lower sensitivity by the QFT test than those with tuberculous lymphadenitis (48.8% vs. 78.8%, respectively; p=0.019). Conclusion: Although QFT test showed similar results between overall patients with P-TB and EP-TB, individual sensitivity was different according to the radiographic extent of disease in P-TB and the location of disease in EP-TB.
정신장애인의 직업동기에 영향을 미치는 변인에 관한 연구
김이영(Kim Yi Young),이용표(Lee Yong Pyo) 한국직업재활학회 2008 職業再活硏究 Vol.18 No.1
본 연구의 목적은 사회복귀시설을 이용하고 있는 정신장애인을 대상으로 그들의 작업동기에 영향을 미치는 요인들을 규명하기 위하여 다양한 독립변인(이용기간, 이용정도, 병식, 사회지지, 사회편견, 기능 및 증상)들을 선정하여 그 영향력을 분석하였다. 연구에 참여한 정신장애인은 대구지역 사회복귀시설을 이용하고 있는 209명이었다. 본 연구결과는 첫째, 구직준비, 자기탐색, 구직활동에 긍정적인 영향을 주는 가장 중요한 요인은 기능과 병식인 것으로 나타났다. 둘째, 직업동기의 하위요인인 구직준비태도에는 병식과 기능 외에 증상이 영향을 주는 것으로 나타났다. 본 연구결과가 주는 함의는 정신장애에 관한 전통적인 질병패러다임을 지지하는 증상 변인보다 정신재활 및 회복패러다임에 의한 기능과 병식과 같은 변인이 직업동기에 중요한 영향을 미친다는 것이다. 따라서 사회복귀시설에서 정신장애인의 직업에 대한 동기를 높이기 위한 프로그램을 구성할 때는 그들의 병식과 기능을 높일 수 있는 내용들이 포함되어야 한다는 것을 시사하고 있는 결과라고 할 수 있다. The purpose of this study is to analyze the determinants of the vocational motives of the person with mental disorder. The subjects of study were 209 persons with mental disorder who were participated in social rehabilitation program at Daegu. Participants were interviewed with the structured questionnaire. The major finding are summarized as follows. First, the important determinants on vocational motive were social functioning and insight on illness. Second, determinants on vocational preparation attitudes as sub-factor of the vocational motives was symptom besides social functioning and insight on illness. Major implications of this study is that social rehabilitation programs have to improve the social functioning and insight on illness for the success of vocational rehabilitation.
위절제술 환자가 한 번에 식사할 양은 어떻게 결정하는가?
양애리,김이영,조춘자,석미희,김영순,박정윤,Yang, Ae Ri,Kim, Lee Young,Cho, Choon Ja,Seok, Mi Hee,Kim, Yeong Soon,Park, Jeong Yun 한국의료질향상학회 2012 한국의료질향상학회지 Vol.18 No.1
Background : Many gastrectomy patients have experienced poor intake and it was cause of the decreasing nutritional status. The purpose of this study was to identify the amount of the intake food and the influencing factors among gastrectomy patients. Methods : A cross-sectional study was conducted with 163 patients who underwent gastrectomy. Data were collected through self-report questionnaires and chart review about demographic, clinical, nutritional status and dietary information and were analyzed with the SPSS 20.0 WIN program. Result : Among 163 patients, the group with over 3/4 intake food was 115(70.5%). The group with 1/2 intatke was 30(18.4%) and the group with the lowest intake of 1/4 was 18(11.1%). There were significant differences in single amount of intake food by patient's subjective feeling(P<.001). Single amount of intake food among three groups were no significant difference in type of gastrectomy, hospital length, body mass index and albumin level. Conclusion : The findings of the study showed that single amount of the intake food was correlated with subjective feeling of patients. Therefore, subjective feelings should be considered important factors in developing diet program for patients with gastrectomy.
직접 메탄올 연료전지용 대면적 막-전극 접합체 공기극의 위치별 열화 현상
김수길,이은숙,김이영,김장미,조한익,하흥용,Kim, Soo-Kil,Lee, Eun-Sook,Kim, Yi-Young,Kim, Jang-Mi,Joh, Han-Ik,Ha, Heung-Yong 한국전기화학회 2009 한국전기화학회지 Vol.12 No.2
대면적 ($150cm^2$) 막전극 접합체(MEA)를 사용하는 직접메탄올연료전지(DMFC)의 내구성과 관련하여, 장시간 운전에 따른 공기극의 열화 현상을 공기극면의 위치별로 고찰하였다. 500시간 동안 정전류 조건으로 운전한 대면적 MEA를 공기극 입구, 중간, 출구의 세 부분으로 분할 하여 각각의 MEA에 대한 성능을 관찰한 결과, 대면적 MEA 운전시 홍수 (flooding) 현상이 심했던 공기극 출구 쪽 MEA의 성능 저하가 두드러졌다. 이는 홍수 현상에 의한 촉매의 열화 및 GDL의 박리에 의한 것으로 판단된다. 이 중 특히 촉매의 열화 현상과 관련하여, 출구 방향으로 갈수록 촉매의 전기화학적 활성 면적의 감소가 관찰되나 이는 촉매 입자의 뭉침 (agglomeration) 현상에 의한 것이라기 보다는 촉매 입자의 용해 (dissolution)와 이동 (migration)으로 인한 촉매의 유실 때문인 것으로 판단된다. 전체적인 성능 감소 및 촉매의 열화 정도는 공기극의 홍수와 직접적인 비례관계가 있으며, 이를 해소하기 위한 물관리 기법 및 분리판 디자인의 개선이 요구된다. With respect to the durability of large scale ($150cm^2$) membrane electrode assembly (MEA) of direct methanol fuel cell (DMFC), degradation phenomena at cathode is monitored and analyzed according to the position on the cathode surface. After constant current mode operation of large scale MEA for 500 hr, the MEA is divided into three parts along the cathode channel; (close to) inlet, middle, and (close to) outlet. The performance of each MEA is tested and it is revealed that the MEA from the cathode outlet of large MEA shows the worst performance. This is due to the catalyst degradation and GDL delamination caused by flooding at cathode outlet of large MEA during the 500 hr operation. Particularly on the catalyst degradation, the loss of electrochemically active surface area (ECSA) of catalyst gets worse along the cathode channel from inlet to outlet, of which the reason is believed to be loss of catalysts by dissolution and migration rather than their agglomeration. The extent of loss in the performance and catalyst degradation has strong relation to the cathode flooding and it is required to develop proper water management techniques and separator channel design to control the flooding.
공기에 포함된 불순물에 의한 PEMFC 운전 성능 변화
장종현(Jang, Jong-Hyun),김이영(Kim, Yi-Young),한종희(Han, Jong-Hee),이상엽(Lee, Sang-Yeop),조은애(Cho, Eun-Ae),김형준(Kim, Hyoung-Juhn),임태훈(Lim, Tae-Hoon) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.05
The effect of air impurities on PEMFC performances were studied using electrochemical analysis, such as OCV monitoring, polarization, constant current operation, and electrochemical impedance spectroscopy. The nitrogen dioxide in air lowered the operation voltage at 1 A/cm² by 160 mV (10 ppm) and 227 mV (100 ppm), while the carbon monoxide effect was relatively not significant (30 mV at 100 ppm). For both nitrogen dioxide and carbon monoxide, the performances were largely recovered when pure air was provided again. Further study for additional air impurities and simulated air are under progress to provide fundamental data for the design of fuel cell vehicles.
호흡기 ; 의료시설폐렴의 임상적 및 세균학적 특성 의료시설폐렴의 임상적 및 세균학적 특성
윤원경 ( Won Kyung Yoon ),김민 ( Min Kim ),김이영 ( Yi Young Kim ),이윤지 ( Yun Ji Lee ),황보엽 ( Yup Hwang Bo ),최금주 ( Keum Ju Choi ),황준현 ( Jun Hyun Hwang ),정승욱 ( Seung Wook Jung ),유승수 ( Seung Soo Yoo ),이신엽 ( Shin 대한내과학회 2010 대한내과학회지 Vol.78 No.6
Background/Aims: Healthcare-associated pneumonia (HCAP) occurs outside hospitals, but its characteristics are similar to those of hospital-acquired pneumonia (HAP). We evaluated the clinical and microbial characteristics of HCAP in Korea. Methods: Of 130 subjects with suspected pneumonia, 49 were classified as HCAP and 81 as HAP. We retrospectively examined the clinical presentations, outcomes, pathogens, and drug resistance rates of Pseudomonas aeruginosae in both groups. Results: The clinical presentations, including the symptoms and laboratory findings, at the time of hospitalization were comparable in both groups. The hospital mortalities of HCAP (28.6%) and HAP (34.6%) did not differ significantly; the length of the hospital stay was similar for all of the survivors (14 vs. 17 days, respectively). Of the identified pathogens, methicillin-resistant Staphylococcus aureus was significantly less common in HCAP than in HAP (two vs. 18 cases, respectively, p<0.01), whereas Klebsiella pneumoniae was more common in HCAP (five vs. zero cases, respectively, p<0.01). The frequency of other Gram-negative rods was similar in both groups. The rate of resistance to antibiotics in P. aeruginosae in both groups was substantial, with the highest resistant rate to ciprofloxacin (50% and 61.5% in HCAP and HAP, respectively). Conclusions: Although the clinical features and outcomes of HCAP were comparable to those of HAP in the study population, the frequency of methicillin-resistant S. aureus was significantly lower in HCAP compared to HAP. (Korean J Med 78:709-716, 2010)
만성폐쇄성폐질환에 폐렴과 급성악화로 입원한 환자의 임상적 특성 및 예후 비교
정승욱 ( Seung Wook Jeong ),이재희 ( Jae Hee Lee ),최금주 ( Keum Ju Choi ),황보엽 ( Bo Yup Hwang ),김이영 ( Yi Young Kim ),이윤지 ( Yun Ji Lee ),윤원경 ( Won Kyung Yoon ),김민 ( Min Kim ),차승익 ( Sung Ick Cha ),박재용 ( Jae Yong 대한결핵 및 호흡기학회 2010 Tuberculosis and Respiratory Diseases Vol.69 No.1
Background: Data comparing the clinical characteristics and outcomes in chronic obstructive pulmonary disease (COPD) patients hospitalized with community-acquired pneumonia (CAP-COPD) and acute exacerbation (AE-COPD) are very limited. Methods: Eighty episodes of hospitalization in 65 CAP-COPD patients, and 111 episodes of hospitalization in 82 AE-COPD patients were included in this study. The baseline characteristics, clinical presentations, potential bacterial pathogens and clinical outcomes in these patients were retrospectively reviewed and compared. Results: No significant differences were found between the two groups in parameters related to COPD and co-morbidities, except a higher rate of male among CAP-COPD patients. Clinical presentations by symptoms and laboratory findings on admission were significantly more severe in CAP-COPD patients, who showed higher rates of fever and crepitation, but less wheezing than AE-COPD patients. S. pneumoniae and P. aeruginosae were the most common bacterial pathogens in both groups. With no difference in the overall hospital mortality between both groups, the mean length of hospital stay was significantly longer in the CAP-COPD patients than in AE-COPD patients (15.3 vs. 9.8 days, respectively, p<0.01). Additional analysis on CAP-COPD patients showed that systemic steroid use did not influence the length of hospital stay. Conclusion: Although there was no significant difference in bacterial pathogens and overall hospital mortality between the two groups, CAP-COPD patients had more severe clinical symptoms and laboratory findings at presentation, and longer hospital stay than AE-COPD patients.