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기업의 퇴직연금제도 선택에 영향을 미치는 요인에 관한 연구
신민성 ( Min Sung Shin ),이동명 ( Dong Myung Lee ),엄기수 ( Kee Soo Eum ),서철승 ( Cheol Seung Seo ) 한국경영공학회 2014 한국경영공학회지 Vol.19 No.1
Since the introduction of a pension plan on December, 2005, retirement pension plan has positioned as 3 pillars for retirement plan with National Pension Service and individual pension. Recently, retirement pension market has been strengthened the foundation for the growth through implementation of IFRS, the revision of the Employee Retirement Benefit Securities Act and tax reform. Pension sponsor face the problem of selection on Defined Benefit(DB) and Defined Contribution(DC) when introducing retirement pension plan. This report studies impact on retirement pension plan choice through analyzing financial factors of pension plan sponsor adapted retirement pension plan. Multinomial logit model be used to analyze the influence on retirement pension plan choice utilizing the financial data of 1,102 plan sponsors ,listed on Korea Stock Exchange and KOSDAQ Stock Exchange, derived by KIS-Library and KIS-Value. The empirical analysis show that some factors, such as business period, debt ratio, asset total and liquidities, have significant influence on the selection of retirement pension plan type. But, number of employees, cash dividend rate and sales statistically show no effects at all unlike the existing research from this empirical study.
일본 중국 유학생의 한식당의 서비스 품질 요인에 관한 중요도 및 만족도
서경화,신민자,Seo, Kyung-Hwa,Shin, Min-Ja 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.6
The purpose of this research is to analyze the importance and satisfaction level with the service of Korean restaurants for Japanese and Chinese students in Korea. Self adminstered guestionnaires were collected from 204 Japanese and Chinese students in Korea. The data was statistically analysed using t-tests, one-way ANOVA, reliability test, factor analysis and regression test. The average values of importance-factor and satisfaction-factor were significantly different. Based on analyses of the 20 service level factors, satisfaction level was significantly lower than importance level. Satisfaction-factors such as quality of food, hygiene of restaurant and employees, service level, and atmospheres, significantly influenced the overall satisfaction level of Korean food and restaurants.
김인수,서진종,김광곤,하동룡,신민구,김의수,전상윤,Kim, In-Soo,Seo, Jin-Jong,Kim, Kwang-Gon,Ha, Dong-Ryong,Shin, Min-Koo,Kim, Eui-Su,Jeon, Sang-Yun 대한한방내과학회 2014 大韓韓方內科學會誌 Vol.35 No.3
Objectives: The goal of this project was to measure the antibacterial effectiveness of Hwangryunhaedok-tang (barberry root decoction for detoxification) and its constituents. All of the active ingredients including the final product were prepared using high-pressure sterilization for use as medicinal eye drops. The varying forms of Hwangryunhaedok-tang (barberry root decoction for detoxification) were used to treat Staphylococcus epidermidis and Enterococcus faecalis which are found in keratitis. Methods: The antibacterial effect was measured by observing the presence or absence of antimicrobial activity when treated with varying concentrations of Hwangryunhaedok-tang extract. The tests were performed using a dosage of $70{\mu}l$ dosages of 100%, 50%, 10% and 1% the extracted solution by the minimum growth inhibitory concentration measurement. Antimicrobial activity was measured by examining the correlation between dosage strength and bacterial activity from $70{\mu}l$ to $10{\mu}l$ at the same concentration. Results: 1. Hwangryunhaedok-tang (barberry root decoction for detoxification), Phellodendri Cortex, and gardenia didn't show any antimicrobial effects against S. aureus, S. epidermidis, or E. faecalis. 2. Barberry root showed antimicrobial effects against S. aureus and S. epidermidis depending on the levels of concentration but didn't show any antimicrobial effects against E. faecalis. 3. Skullcap showed antimicrobial effects against S. aureus and S. epidermidis when a dosage of 100% extract $70{\mu}l$ was used. However, did not show any antimicrobial effects at all against E. faecalis. Conclusions: Hwangryunhaedok-tang (barberry root decoction for detoxification) and its constituents such as barberry root, phellodendri cortex, skullcap, and gardenia, can be used as an alternative to antibiotic medicinal eye drops to treat keratitis. However, further research on effective uses of and efficient extraction methods are needed.
김지원 ( Ji-won Kim ),박재영 ( Jae-young Park ),신민서 ( Min-seo Shin ),이진규 ( Jin-kyu Lee ),전지연 ( Ji-yeon Jeon ),김현 ( Hyun Kim ) 한국정보처리학회 2021 한국정보처리학회 학술대회논문집 Vol.28 No.2
본 연구는 ‘AI를 활용한 스마트 홈 서비스’ 개발에 관한 것이다. 기존의 다양한 정보를 수집하고 제어하는 홈 IoT서비스에서 본 논문은 더 나아가, AI 기술을 바탕으로 사용자가 자신에게 맞는 형태로 스마트 디바이스들을 제어하여 홈 (Home)을 편리하게 제어할 수 있게 함과 동시에 사용자의 관여 없이도 AI를 활용해 자동으로 홈의 상황을 인지하고 동작할 수 있는 P2M + M2M 기술 기반 홈 IoT 서비스를 구현하고자 하였다. 특히 사용자의 동작을 인식해 IoT 기반 기기들을 통합적으로 제어할 수 있도록 모션인식, 영상인식 기술 등 사용자를 인식하고 주변 환경 상태를 실시간으로 측정해 최적의 제어 서비스를 제공하는 것을 목적으로 하였다.
건물 저층과 고층에서 환기와 공기정화 식물을 통한 라돈 농도의 비교
공유진(Yu-jin Gong),남소영(So-Yeong Nam),신민서(Min-Seo Shin),장혜림(Hey-Rim Jang),전민철(Min-Cheol Jeon),유세종(Se-Jong Yoo),김성호(Seong-Ho Kim) 한국방사선학회 2020 한국방사선학회 논문지 Vol.14 No.7
본 연구는 건물의 저층과 고층에서 환기와 공기정화 식물을 통한 라돈의 농도 변화를 정량적으로 측정하고자 하였다. 건물의 저층과 고층에서 라돈 농도 측정을 위해 시간을 설정하고 라돈 측정기를 이용하여 실내를 폐쇄 했을 때와 환기, 공기정화식물을 배치했을 때의 라돈 농도를 각각 측정하여 비교하였다. 폐쇄, 환기, 공기정화식물 배치에 따라 라돈 농도 변화에 유의한 차이를 보이는지 검증하고자 일원배치 분산분석(One-way ANOVA)를 시행하였다. 실험 결과 건물의 저층과 고층에서 환기와 공기정화식물 배치를 통한 라돈 농도의 감소는 통계적으로 유의한 차이를 보였으며, 환기와 공기정화식물을 배치 했을 때에는 통계적으로 유의한 차이점을 나타내지 않았다. 따라서 건물내 환기 뿐만 아니라 공기정화식물을 적절히 활용하면 라돈 농도를 효과적으로 감소시킬 수 있을 것으로 사료된다. The objective of this study was to quantitatively measure the changes in radon concentration due to ventilation and air purification plants in the lower and upper floors of a building. This study measured and compared radon concentration in the lower and upper floors of the building by using a radon meter when the room was closed, it was ventilated, and air purification plants were installed at a specific time. One-way ANOVA was conducted to evaluate the effect of treatment (i.e., closure, ventilation, and air purification plants) on radon concentration. The results of this study showed that ventilation and air purification plants significantly decreased radon concentration in the lower and upper floors of the building, but the effect of ventilation and that of air purification plants were not significantly different. Therefore, it will be possible to reduce radon concentration effectively when ventilation and air purification plants are used appropriately.
일부 성인의 치과진료비 부담에 따른 치과 건강보험 확대 및 민영치과보험 가입 의사
김윤경 ( Youn Gyung Kim ),김은지 ( Eun Ji Kim ),노수현 ( Su Hyun Nho ),백은진 ( Eun Jin Baek ),신민서 ( Min Seo Shin ),황수정 ( Soo Jeong Hwang ) 한국치위생과학회 2015 치위생과학회지 Vol.15 No.6
The high dental treatment cost has been considered as one of the major reasons for inappropriate dental treatment in Korea. The aim of this study was to investigate the opinions of expansion of National Health Insurance (NHI) in dental treatment fields not covered with NHI and buying private dental insurance. This survey was carried out targeting 266 adults from their 30s to 50s with convenience sampling. The higher orders in stress of dental treatment cost were orthodontic treatment, dental implant, prosthodontic treatment, and caries treatment not covered with NHI. The higher orders in needs of expansion of NHI were caries treatment not covered with NHI, prosthodontic treatment, and orthodontic treatment. The agreement percentages with age restriction in NHI were scaling 57.1%, denture 23.3%, implant 14.3%, respectively. The subjective oral health had impact on the stress of dental treamtent cost and expansion on NHI. Although only 8.3% subjects had private dental insurance, 68.4% of the subjects had positive opinions buying private dental insurance. The correlation coefficients between stress of dental treatment cost and buying private dental insurance were implant 0.408, caries treatment not covered with NHI 0.404, denture 0.394, crown and bridge 0.375, and orthodontic treatment 0.313. Expansion of NHI in dental treatment and development of private dental insurance was suggested to treat dental disease in appropriate time.