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구자길,이재직 한국진로교육학회 2010 진로교육연구 Vol.23 No.2
The purpose of this study was to develop the model of developing National Occupational Standards. This study was carried out the theoretical review, developing method, a panel of expert committee. From this study, NOS(National Occupational Standards) was required to improve and develop the vocational skills in industry fields and to connect the relation between vocational education training and qualification system. Therefore, the objective and verified model of developing NOS was needed and the possibility of applying ISD was verified. The model was consisted of five steps which was analysis(plan for development, analysis of field characteristics, analysis of skill level and type, job analysis), design(NOS format design, competency unit design),, development(standardization, measurement of key competencies, establishment of skill level, coding), implementation(practical application, spread) and evaluation(verification, and efficiency analysis). This model was applied to develop Metal Making Process. and the guide for development and application of the NOS based on the model was presented. 이 연구의 목적은 국가직업능력표준개발을 통한 경력개발모형을 제시하고, 금속재료제조분야의 표준개발시 적용하여 타당성을 검증하는데 있었다. 이 연구의 목적을 달성하기 위하여 문헌연구, 개발연구 및 전문가협의회를 실시하였다. 이를 통해, 국가직업능력표준 개발모형은 ISD(Instructional Systems Development)에 따라 크게 분석, 설계, 개발, 실행, 평가 단계로 이루어진다. 구체적으로 1단계 분석단계는 국가직업능력표준 개발 계획을 수립하고, 개발분야의 특성을 분석하며, 직종구조 및 직무분석을 실시한다. 2단계 설계단계는 표준의 형식을 결정한 후 능력단위를 설계하며, 3단계 개발단계는 표준화작업을 하고, 기초직업능력을 평정하며, 직업능력수준을 설정한 후 경력개발모형을 제시하고 코드를 부여한다. 4단계 실행단계는 국가직업능력표준을 현장적용 및 보급하고, 5단계 평가단계는 검증 및 효용성을 평가한다. 하지만, 국가직업능력표준의 개발단계에서는 4단계는 생략하고, 5단계의 검증단계, 특히 개발과정의 검증단계만을 실시한다. 또한, 국가직업능력표준의 개발모형에 따라 ‘금속재료제조’ 분야의 표준을 개발하여 타당성이 검증되었다. 이 연구에서 제시한 국가직업능력표준을 통한 경력개발 모형은 다양한 공공·민간 직업교육훈련기관과 개별 기업체 및 산업별인적자원개발협의체는 물론 자격기관에서 적극적으로 활용할 수 있도록 홍보해야 할 것이고, 개발과정 및 개발된 경력경로모형은 지속적인 피드백을 통하여 질관리를 하여야 할 것이다.
구자길,장동호 한국섬유공학회 1995 한국섬유공학회지 Vol.32 No.1
The purpose of the study was to determine the effect of mixing rate of PET materials with SiO2 on the particle distribution state, to determine the effect of the treatments on the crystalline structures, thermal and mechanical properties of the mixed materials, and to determine the effect of surface treatments of SiO2 with the silane coupling agents on the surface properties of mixed materials. Measurements were carried out with Image analyzer for particle distribution state, X-ray diffractometer for the crystallinity, DSC for thermal properties and Instron for mechanical properties, respectively. According to results the following conclusions could be made : 1) Relatively uniform panicle distribution of the mixed materials was obtained by melt blending after the fillers were mixed with the PET powder sufficiently. 2) Using the particle size of the fillers which was remarkably greater than that of the crystallite, the crytallization of the polymer was hindered by the excess content of the fillers 3) Tm of the mixed materials was lowered with increasing of SiO2 content, and their tendency was more notable when mixed materials were treated with silane. 4) The initial modulus of mixed materials was increased with SiO2 contents, and the mixed materials became brittle and so tensile strength of them was decreased with increasing SiO2 contents.