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장윤정,이경환 중앙대학교정보통신연구소 2001 정보통신연구소논문집 Vol.3 No.2
본 논문에서는 컴포넌트 개발 산출물의 품질 지침을 제시한다. 컴포넌트 품질 지침은 컴포넌트 품질 참조 모델과 품질 평가 모델로 구성된다. 참조 모델은 컴포넌트 개발자를 위한 품질 지침을 포함하며, 평가 모델은 컴포넌트 유통 및 평가기관을 위한 평가 지침을 포함하고 있다. 본 논문의 타당성을 검증하기 위해, 컴포넌트 개발 기업을 대상으로 품질평가 모델을 적용하였다. 또한, 컴포넌트 산출물의 품질 개선 방법 및 개선 효과에 대한 분석 내용을 제시하였다. 본 논문에서 제시한 컴포넌트 개발 산출물의 품질평가 모델은 품질이 우수한 컴포넌트 개발 산출물의 생산을 유도하며, 합리적인 품질 평가 방안을 제공한다. In this paper, we propose a quality guidelines of component development artifacts. It consists of component quality reference model and quality evaluation model. CQRM contains quality guidelines for component producer. CQEM contains evaluation guidelines for component consumer and distributor. We perform case study to verify this paper. Also, we present quality improvement methods and improvement effects of component development artifacts. The quality evaluation model of component development artifacts proposed in this paper leads component development artifacts with high quality, and provides a rational quality evaluation model.
Differences Between Social Classes in Terms of the Subjective Level of Oral Health of the Elderly*
장윤정,김민영 융합연구학회 2022 융합연구학회지 Vol.6 No.2
The subjective level of oral health may be affected by a number of individual socio-economic factors, and the problem of oral health related inequality due to social polarization has also been highlighted continuously. Hence, this study attempted to examine and understand the differences between the social classes in the terms of the subjective level of oral health of the elderly’s oral health related inequality by using the secondary data of the 2020 Community Health Survey. A final analysis was performed for the 72,812 people aged 65 and older who responded to the questionnaire on their subjective perception of oral health. As a result of the study, it turned out that the probability that managers perceived subjective level of oral health as healthy was higher among women, the younger the age, the higher the education level, and for the elderly with spouses, in terms of occupational classification. As a result of the results in the above, the differences in terms of the subjective level of oral health of the elderly were confirmed by the social class, and it may be claimed that a comprehensive project implementation would be needed for the selective management of social determinants of oral health for the extension of healthy life expectancy and improvement of health equity and consideration of oral health across all policies.
Ionized Calcium 과 Chitosan 정제의 안정성에 관한 연구
장윤정,김현주,김영일,양재헌 又石大學校 1998 論文集 Vol.20 No.-
Recently, chitosan has being fiocused on not only the role of a potential and natural resource with antibacterial or antifungal effect but also the natural controller of releasing of drugs or principle actives. Calcium is one of the most important minerals of human that concerned with the intra-or inter-cellular function. But ionized calcium, prepared from shell through the condition of high temperature, own the antibacterial effects. We prepared the mixed tablet of chitosan and ionized calcium with several additives such as starch paste, ethylcellulose(EC), hydroxypropylmethylcelullose(HPMC) or hydroxyprophylcellulose(HPC). Each formulation with a additive was adopted as a challenger to modify of release profiles of calcium. Finally following both cationic properties, chitosan & ionized calcium, the mucoadhesive effects in the oral cavity are favorable to introduce for chewable tablet. The similar patterns of contents of calcium, disintegration time, hardness, weigth variation were showed following the preparation with each additive. The dissolution profiles of starch paste preparation was more slower than other preparations. It was as the order as HPMC, HPC, EC. The stabilities of tablet of each formulation was creditable in the period of 4 weeks under the condition of 50℃ and 75% of humidity. The contents of calcium, disintegration time, hardness were not changed significantly. Ionized calcium and chitosan mixed tablet may increase the antibacterial effects and the release patterns of calcium could changed successfully by several addives.