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이재원,김진순,류창렬,노태천,최완식,최유현,송일민 충남대학교 공업교육연구소 1995 論文集 Vol.18 No.1
The purposes of this study were: (a) to analyze the papers presented at the ICTES according to the papers' representing countries and their main subjects, (b) to analyze the educational systems of the countries in technology education, and (c) to review the international trends of technology education through the papers presented at the conference. The papers(64 total) presented at the ICTES could be classified into eight countries of papers representing Japan(37), Taiwan(8), Korea(6), U. S. A.(3), India(3), Philippines(3), China(2), Singapore(2). The main subjects the papers dealt with could also be classified into educational system/history(9). curriculum/objectives and contents(9), international activities(9), methods/teaching-learning process and teaching materials and new media(40). Followings were the major and new issues presented at the ICTES: (a) Introduction of each country's technology education system. (b) Proposition of a new framework for technology education and a world core curriculum in technology education. (c) Creativity and problem-solving for the instructional method of technology education. (d) Methods and utilization of high technology media in technology education. (e) Necessity of engineering concept in technology education in technology oriented society. (f) Proposition of philosophical direction of technology education based on famous Asian philosophers.
김웅철,이원철,손영석,오세윤,김부섭,유진호,김지환 한국보건의료인국가시험원 2005 보건의료교육평가 Vol.2 No.1
This study prepared a basic framework for the development and improvement of Korean Dental Technicians' Licensing Examination, based on actual test questions. A peer review was conducted to ensure relevance to current practices in dental technology. For the statistical analysis, 1000 dental laboratory technicians were selected; specialists in dental laboratory technology (laboratory owners, educators, etc.) were involved in creating valid and reliable questions. Results indicated that examination subjects should be divided into three categories: basic dental laboratory theory, dental laboratory specialties, and a practical examination. To ensure relevance to current practice, there should be less emphasis on basic dental laboratory theory, including health-related laws, and more emphasis on dental laboratory specialties. Introduction to dental anatomy should be separated from oral anatomy and tooth morphology; and fixed prosthodontics should be separated from crown and bridge technology and dental ceramics technology. Removable orthodontic appliance technology should be renamed 'orthodontic laboratory technology'. There should be less questions related to health related law, oral anatomy, dental hygiene, dental materials science and inlay, while the distribution ratio of questions related to tooth morphology should be maintained. There should be a decrease in the distribution ratio of questions related to crown and bridge technology, dental ceramics technology, complete dentures and removable partial dentures technology, and orthodontic laboratory technology. In the practical examination, the current multiple choice test should be replaced with tooth carving using wax or plaster. In dental laboratory specialties, subjects related to contemporary dental laboratory technology should be included in the test items.
김지환,오세윤,김웅철,유진호,김태석,이준석,이원철 高麗大學校 倂設 保健大學 保健科學硏究所 2001 保健科學論集 Vol.27 No.2
This study was carried out to investigate psychiatric stress symptoms and stress- inducing factors, such as role overload, work demand, work procedure and so forth in korean dental laboratory technicians. Questionnaires were mailed to randomly selected 1000 dental technicians who were systematically selected. Among them, 786 dental technicians completed the questionnaires and returned them. Validity test and reliability test on the questionnaires were done prior to the main survey, using the SCL-90-R as a standard. Stress-inducing factors were identified with a multiple regression analysis on the continuous variables. To investigate stress-inducing factors on stress symptoms, analysis on distribution of characteristics was performed, and then correlation analysis and multiple regression analysis was carried out. The results of the study were as follows: According to multiple regression analysis, there was a statistical correlation between stress symptoms and role overload, work procedure, occupation conflict, interpersonal relationship, social support, personality traits in stress symptom(GSID). The stress symptoms in korean dental laboratory technicians seemed to be mostly job related ones, and considering the results obtained from the study, it is suggested that reducing work load and proper health promotion programs for dental technicians be necessary.
오세윤,김웅철,김지환,이병기,유진호,김태석,이준석,이주호 高麗大學校 倂設 保健大學 保健科學硏究所 2002 保健科學論集 Vol.28 No.2
Conflicts between individuals are quite natural and they can act as an positive contributing factor not only to the development of an individual but also to the organization to which one belongs. But too much conflicts will always induce dissatisfaction and stresses, which will be destructive and harmful to all of them, and that is why we are always tying to seek(find) out the causes for the origination of conflicts and remedies to cope with them effectively. The present study, as the first one in a series of studies which our researchers contemplate executing, was designed to develop a measure of job satisfaction for dental laboratory technicians. One job satisfaction measure and two job satisfaction related measures, one for faithfulness for the job and the other for environmental characteristics of dental laboratory were newly developed. The newly developed measures were comprised of a total of 38 items, which were each 12 items for job satisfaction and faithfulness for the job and 14 items for environmental characteristics of dental laboratory With the aid of factor analysis for principal components and categorization of items by panel of professionals, items of each measure were grouped into 2-4 subscales. Contribution to internal consistency was the fina) criterion for an item's inclusion in a subscale. Internal consistency reliability of each item was attested through the statistical analysis on the data obtained from 55 structured questionnaires. Reliability of internal consistency of subscales in each measure of job satisfaction and faithfulness for the job ranged from 0.74 to 0.79 and 0.90-0.91 respectively. The result from this research came to draw the following conclusions. 1. Validity and internal consistency reliability of all the items of each measure was attested. 2. The newly developed measure of job satisfaction was found to be appropriate for (measuring the degree of job satisfaction of) dental technicians, as well as for (other) dental office personnels.
치과 기공사들에게서 나타나는 호흡기 증상과 이의 관련 요인
김웅철,오세윤,김지환,김진완,이준석,이가영,이세훈,유진호,김태석 高麗大學校 倂設 保健大學 保健科學硏究所 2001 保健科學論集 Vol.27 No.1
This study was carried out to investigate subjective respiratory symptoms and their attributable factors in Korean dental laboratory technicians. A questionnaire was mailed to randomly selected 1,900 dental laboratory technicians. Among them, 1,344 dental technicians completed the questionnaires and returmned them. Validity and reliability tests on the questionnaires were carried out before the main survey. To investigate risk factors on respiratory subjective symptoms, we performed analysis on distribution of characteristics, and then investigated univariate analysis and multiple logistic regression analysis. The prevalence rate of wheezing, cough and phlegm, and dyspnea was 4.8%, 33.9%, 54.9%, respectively. Statistically significant factors inducing subjective respiratory symptoms by multiple logistic regression analysis were sex, smoking, exercise, health examination, work hours a day, investment gas, investment dust, metal fume, resin vapor, and asbestos dust. Considering the results above, it seems that most subjective respiratory symptoms are related with health habits and occupational environmental-related factors. The result, consideration in mind, suggest that health promotion programs for smoking cessation, regular health examination, and physical exercise in health habit, and improvement on casting and resin work in dental technological environment be necessary.
Behaviour alteration of Topoisomerase IIIβ knockout mice
Yu Rim Kim,Eun Kyoung Kim,Young Sub Byun,Hae Rim Kim,Ju Sung Kang,Ju Young Lee,Min Young Lee,Sang Mi Cho,Ki Hoon Lee,Hoyoung Ghang,Won Kee Yoon,Young Suk Won,Hyoung Chin Kim,Young Hee Lee,Ki Hoan Nam 한국실험동물학회 2015 한국실험동물학회 학술발표대회 논문집 Vol.2015 No.8
이진옥(Chin Ok Lee),이학은(Hak Eun Lee),유철수(Chul Soo Yu) 한국강구조학회 1993 韓國鋼構造學會誌 Vol.5 No.2
An elasto-plastic response was studied for economical and rational seismic design of arch bridge. Only elastic design for earthquake of small probability could cause noneconomical results. Considering the fact that basic concept of seismic design permits damages of bridge and requires sustaining of essential function after earthquake, the elasto-plastic seismic analysis of arch bridge contributes to the more economical seismic design and examination of stability for seismic loading. In the case of the steel deck type arch bridge subjected to strong earthquake, columns are first yielded into plastic deformation and showed fragility for the seismic loading and the generation of plastic hinge was found each time step. The present study enables to estimate of failure mode of bridge structure subjected to strong earthquake.