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이재도 ( Jae-do Lee ),박명환 ( Myeong-hwan Park ) 한국고등직업교육학회 2009 한국고등직업교육학회논문집 Vol.10 No.1
This research targeted 940 students of the D-College as of 2008 to analyze individuals’ confidence in the selection of their major, question of career decision making as of the present, and obstacles for the career decision making by different variables. College students’ confidence on the selection of their major manifested significant difference depending on the gender, experience of whether they took additional year to take the College entrance exam again, question of career decision making and type of major. As for the verification on the level of confidence in career decision making, difference exists depending on the gender, question of career decision making, grade, age, hometown and type of major. When the College students’ confidence on the selection of their major increases, level of non-decision on their career decreases, and when the total level of obstacles for career decision makings high, perception of the non-decision on their career increases as well. Among the sub variables of the obstacles for career decision making, factors such as ‘lack of self assurance’, ‘sense of physical inferiority’, ‘difficulty in interpersonal relations’, ‘relationship with other important people’, ‘lack of information on occupation’ and ‘lack of interest’ affect non-decision on the career. Among the variables that influence, obstacles for career decision making that correspond to the ‘lack of self assurance’ is the highest in terms of influence, followed by the ‘lack of interest’ and ‘lack of information on occupation’.
알코올성 간질환 변증 설문, DSOM, SF-36을 이용한 알코올성 간질환 환자의 금주 효과 연구
이재왕,홍상훈,박상은,손호영,김도경,이승연,이수영,김보경,강창완,이인선,Lee, Jae-Wang,Hong, Sang-Hoon,Park, Sang-Eun,Son, Ho-Young,Kim, Do-Gyoung,Lee, Seung-Yeon,Lee, Su-Young,Kim, Bo-Kyoung,Kang, Chang-Wan,Lee, In-Sun 대한한방내과학회 2010 大韓韓方內科學會誌 Vol.31 No.2
Objectives : This study was done to evaluate the effect of stopping drinking, using alcoholic liver disease questionnaire, Diagnosis System of Oriental Medicine (DSOM) and Health Related Quality of Life (HRQOL). Methods : 49 men who satisfied the requirement participated in this trial. They stopped drinking for 6 weeks. They were analyzed using DSOM, alcoholic liver disease questionnaire and SF-36. The data were classified by age (<47,$\geq$48) and alcoholic intake per day (<100g,$\geq$100g). For HRQOL, the SF-36v2 Health Survey was used and Quality Metric Health Outcomes Scoring Software 2.0 (QualityMetric, Lincoln, RI, USA) was applied for the analysis. Results : The alcoholic liver disease questionnaire had a partial correlation with DSOM. Generally stopping drinking decreased Heat (熱). Especially in the group drinking over 100g per day, the correlation was high. In the group over 48 years old, spleen (脾) was improved comparatively. In the group with low HRQOL (PCS<31.43, MCS<23.33) deficiency (虛) was improved. Conclusions : We found that stopping drinking can improve pathogenic factors of alcoholic liver disease and the alcoholic liver disease questionnaire be a useful diagnostic method on alcoholic liver disease by comparison with DSOM.
이재도 ( Jae-do Lee ) 한국고등직업교육학회 2010 한국고등직업교육학회논문집 Vol.11 No.4
This research was conducted targeting 606 D College students to identify whether they have experience writing reply on the Internet to examine the types of Internet reply drafted motivation for drafting the reply, and whether they have experience drafting negative (malicious) reply. Moreover, this research examines the correlation between offensiveness and impulsiveness of the students who have or do not experience drafting malicious reply. As for the motivation for drafting the reply, male College students cited ‘no need to disclose the real name’ and 'drafting mitigates stress' while female College students cited ‘it is fun’ and ‘due to the personal emotion.’ reply of the students who have experience drafting reply, number of viable reply outweighed malicious reply. Male College students tended to draft more malicious repls compared to the female College students. There were more students who had experience drafting malicious reply at PC cafes or other places compared to their homes or public places. The students who cited ‘no need to disclose the real name’, ‘it is fun\ ‘due to the personal emotion’,‘due to the sense of heroism’ and ‘drafting mitigates stress” tended to have experienced drafting malicious reply more than other students. Offensiveness and impulsiveness of the students who had experience drafting malicious reply tended to be severe compared to the students who do not have such experience.
Simulink를 이용한 공간전압벡터 PWM 인버터 모델링 및 시뮬레이션
이재도(Lee. Jae Do),황재호(Hwang. Jae Ho),이학주(Lee.Hak Ju),김영록(Kim.Young Nok),이기홍(Lee.Ki Hong),성세진(Seong. Se Jin) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
본 논문에서는 유도전동기 속도 및 토크 제어시 고조파의 왜형률을 감소시키고, 다지털 구현이 용이하며 선형제어 영역을 증가시킬 수 있는 스위칭 방식으로 Space voltage Vector PWM(Pulse Width Modulation) 설명하였으며, 시뮬레이션하기 위한 user_tool로써 Matiabl Simulink 를 이용하여 SVPWM 을 구현하는 방법을 성명하였다. 결과적으로 개루프 운전 시 유도기에 인가되는 기준전압을 각각 비과변조와 과변조 시 전압비율 변경방식을 사용하여 나타나는 응답으로 가상스위칭 시간 T1,T2,T0 와 속도, 상전류, 토크응답을 알아보았다.
이재임(Jae Im Lee),이인규(In Kyu Lee),이윤석(Yoon Suk Lee),이도상(Do Sang Lee),장석균(Suk Kyun Chang),원종만(Jong Man Won) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.72 No.4
Acute necrotizing pancreatitis is a disease with high morbidity and mortality despite the progress made in intensive care. Gas gangrene of the pancreas, usually caused by anaerobe infection, is an extremely rare, but severe form of acute necrotizing pancreatitis. Several severity-of-illness classifications for acute pancreatitis are used to identify patients at risk for complications. Pancreatic necrosis is diagnosed radiographically by dynamic intravenous contrast-enhanced computed tomography (CT) of the abdomen. Early CT in patients with suspected necrotizing pancreatitis contributes to early intervention and many advantageously enhance survival. We report here on two cases of necrotizing pancreatitis with gas gangrene in 49-year-old male patient and 86-year-old female patient.
이재도(Jae-Do Lee) 한국컴퓨터정보학회 2007 韓國컴퓨터情報學會論文誌 Vol.12 No.4
본 연구는 D 대학 재학생 482명으로부터 설문조사하여 대학생의 휴대폰을 통해서 수신되는 스팸문자메시지의 정도 그리고 휴대폰 중독정도를 살펴보았다. 대학생들은 하루에 평균 스팸 문자메시지를 1번에서 2번 정도 수신하는 것으로 나타났다. 수신 스팸 메세지 중에서 상품광고에 대한 내용이 가장 많았고, 스팸 메세지는 거의 확인하지 않는 것으로 조사되었다. 휴대폰의 중독에 대해서는 응답자의 평균 중독점수는 100점 만점에 38.73점으로 나타났으며 60점 이상자 수는 47명으로 9.75%에 해당되며, 70점 이상자는 13명으로 2.70%에 해당되는 것으로 나타났다. 또한 학생들은 나이가 적을수록 그리고 기타지역 출신 학생이 중독적 집단에 많이 포함되어 있었고, 2년제 학생이 3년제 학생 보다 더 많은 학생이 중독적 집단에 많이 포함되어 있었다. This study executed questionnaire surveys on 482 undergraduates of D-college to review the extents of spam letter messages received through the mobile phones of college students and the extents of their addiction to mobile phones. It was revealed that each college student received one or two spam letter messages on average a day. Among the received spam messages were the messages containing the contents of commodity advertisements most frequent and the surveys indicated that spam messages are hardly read. As for the addiction to mobile phones, the average score of addiction of the respondents was indicated to be 38.73 based on the full score of 100 and the number of the ones with the scores of 60 or more was 47 which is 9.75% and the ones with the scores of 70 or more was 13 which is 2.70%. Also the younger the students were, the higher were the numbers of the students included in the addictive group and the number of students from other areas included in the addictive group was high and the number of the students in 2years system included in the addictive group was higher than the number of the students in 3years system included in the addictive group.
이재도(Jae Do Lee),박준호(Joon Ho Park),전대성(Dae Seong Jeoune),윤영우(Young Woo Yoon),김상곤(Sang Gon Kim) 한국정보처리학회 2000 정보처리학회논문지 Vol.7 No.5
For the object-based video compression at very low bit rate, video segmentation is an essential part. In this paper, we propose a temporal video segmentation algorithm for motion pictures which is based on blocks. The algorithm is composed of three steps(1) the change-detection, (2) the block merging, and (3) the block segmentation. The first step separates the change-detected region from background. Here, a new method for removing the uncovered region without motion estimation is presented. The second step, which is further divided into three substeps, estimates motions for the change-detected region and merges blocks with similar motions. The merging conditions for each substep as criteria are also given. The final step, the block segmentation, segments the boundary block that is excluded from the second step on a pixel basis. After describing our algorithm in detail, several experimental results along the processing order are shown step by step. The results demonstrate that the proposed algorithm removes the uncovered region effectively and produces objects that are segmented well.