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朴在元,朴宰用 대한보건협회 1987 대한보건연구 Vol.13 No.2
The condition of benefits to contributions on 635 establishments(1985) and 715 ones(l986) that belonged to the medical insurance society in the first area of Taegu was grasped and the results that analyzed factors that were able to have influences on the condition of benefits to contributions by establishment are summarized as follows. The number of the insured by establishment(1985) was 63, but 59 people(l986). The average standard monthly wage of the medical insurance societies studied was 283,600won (1985), and 296,400won(1986), The average dependancy ratio was 2.51(1985) and 2.45(1986). The frequency of utilization was 3.41(1985) and 2.95(1986). The rate of benefits to contributions was 96.9%(1985) and 74.3%(1986). The industry that was the lowest in the rate of benefits to contributions was manufacture of chemicals, petroleum, coal, rubber and plastic products in 1985 and 1986. The industry that was the highest in the rate of benefits to contribuitons was sanitary and similar services(1985) and landscape gardening(1986). But in all types of industry, the frequency of utilization in 1986 was lower than that in 1985, so the rate of benefits to contributions in 1986 was lower than that in 1985. The establishment that exceeded 100% of the rate of benefits to contributions was 46.0% (1985), but decresed to 20.5%(1986). The proportion of the establishments that had a deficit of benefits to contributions in all types of industry decreased. The smaller the scale of establishments was, the higher was the average rate of benefits to contributions, and the specific gravity of establishments that had a deficit of benefits to contributions showed a tendency that was growing higher. The smaller the standard monthly wage was, the higher the frequency of utilization and the dependancy ratio were and the larger the legal benefits per case was, the higher was the rate of benefits to contributions and the number of the establishments that had a deficit of benefits to contritutions showed a tendency that was growing more. In the result of logarithmetic regression analysis about the rate of benefits to contributions, the legal benefits per case(1985) was 1.0032 and 0.9498(1986). They both showed the highest elasticity. The frequency of utilization, which showed the lowest elasticity, was 0.3009(1985) and 0.5852(1986). The standard monthly wage and the number of the insured to the rate of benefits to contributions showed minus effect. And in the establishments that had a larger scale and gave the better wage to the workers, it showed that the condition of benefits to contributions was growing better.
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트레드밀 운동과 양파섭취가 흰쥐의 혈중지질 및 지질과 산화에 미치는 영향
박재원,성기동,백영호 釜山大學校 附設 體育科學硏究所 2011 體育科學硏究所 論文集 Vol.27 No.-
본 연구는 유산소 운동과 양파 섭취가 흰쥐의 혈중지질 및 지질과산화에 미치는 영향과 양파 섭취가 산화적 스트레스에 미치는 영향을 구명하기 위하여 생후 4주령 Sprague Dawley계 수컷 흰쥐 운동양파군 8마리, 운동군 8마리, 양파군 8마리, 대조군 8마리 총 32마리를 대상으로 실시하였다. 4주간 운동 빈도는 주 5회, 운동 강도는 경사도 0%, 16m/min 으로 하여, 1회 운동지속시간은 1주차 25분으로 시작하여, 매주 5분씩 증가시켜 4주차 40분이 되도록 실시하였다. 5%양파첨가식이를 1일 20g 기준으로 섭취시킨 결과 다음과 같은 결론을 얻었다. 흰쥐에서 high-density lipoprotein cholesterol은 운동군이 대조군 보다 유의하게 증가하였고, total cholesterol, triglyceride, low-density lipoprotein cholesterol은 운동양파군, 운동군, 양파군 및 대조군 등 모든 집단에서 유의한 차이가 나타나지 않았다. Malondiadehyde는 양파운동군이 양파군과 대조군 보다 유의하게 낮게 나타났다.
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그룹형 간섭제거기의 정렬기법 개선을 통한 성능 향상에 관한 연구
박재원,염순진,박용완 한국통신학회 2002 韓國通信學會論文誌 Vol.27 No.7B
본 논문에서는 DS-CDMA 환경 하에서 일반적인 그룹형 간섭제거기(Groupwise Canceller) 중 초기단을 개선시킨 그룹형 간섭제거기(Improved initial-stage Grouping Interference Canceller)의 개선된 정렬기법을 소개한다. 비선형 간섭제거기 중 초기단을 개선시킨 그룹형 간섭제거기(IGIC)는 입력된 신호를 그룹으로 나누어 정렬기법을 통해 초기단 성능을 개선시킨 간섭제거기이다. 그러나, 이 시스템은 정렬기법에 의해서 각 그룹에 할당되는 사용자수가 항상 동일하기 때문에 동일 그룹내에서 신호세력의 차이가 생길 수 있다. 이 경우, 동일 그룹내에 작은 신호들은 큰 신호들로부터 많은 다중접속간섭의 영향을 받는다. 이와 같은 다중접속간섭의 영향을 줄이기 위해 본 논문에서는 개선된 정렬기법을 사용하여 각 그룹에 할당되는 신호들이 비슷한 신호전력분포를 가지도록 하였다. 따라서, 그룹내의 신호세력 차이를 줄여 다중접속간섭의 영향이 감소되었다. 성능 분석은 전력제어를 하였을 때와 하지 않았을 때를 다른 비선형 간섭제거기와 비교하여 분석하였다. In this paper, we introduce an improved sorting method of the IGIC(Improved initial stage Grouping Interference Canceller) system for advanced BER(Bit Error Rate) performance in DS-CDMA. Among non liner Interference Cancellers, the PIC(Parallel IC) with advanced initial stage by sorting method has the name of the IGIC(Improved initial stage Grouping Interference Canceller) system. In this system, All group are shared with the same number of users. But, if each group are divided the same users, so that difference of the signals strength appeared greatly in the same group. Up to this time, the weak signals have more effect of the MAI (Multiple Access Interference) from the strong signals in the same group. The proposed IC (Interference Canceller) to solve those problems has a better performance by using improved sorting method from IGIC system. A new sorting method is the technique that the strength of signals would be liked in the same group. So, the MAI is reduced as difference of signal strength minimize. Analysis of performance assayed to make comparison with other non liner interference canceller when power controlled and not one.
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Time trend of malaria in relation to climate variability in Papua New Guinea
박재원,정해관,Yasushi Honda,하미나,김호,Joel Kolam,Kasis Inape,Ivo Mueller 환경독성보건학회 2016 환경독성보건학회지 Vol.31 No.-
Objectives: This study was conducted to describe the regional malaria incidence in rela¬tion to the geographic and climatic conditions and describe the effect of altitude on the expansion of malaria over the last decade in Papua New Guinea. Methods Malaria incidence was estimated in five provinces from 1996 to 2008 using na¬tional health surveillance data. Time trend of malaria incidence was compared with rain¬fall and minimum/maximum temperature. In the Eastern Highland Province, time trend of malaria incidence over the study period was stratified by altitude. Spatio-temporal pat¬tern of malaria was analyzed. Results: Nationwide, malaria incidence was stationary. Regionally, the incidence increased markedly in the highland region (292.0/100000/yr, p =0.021), and remained stationary in the other regions. Seasonality of the malaria incidence was related with rainfall. Decreas¬ing incidence of malaria was associated with decreasing rainfall in the southern coastal region, whereas it was not evident in the northern coastal region. In the Eastern Highland Province, malaria incidence increased in areas below 1700 m, with the rate of increase be¬ing steeper at higher altitudes. Conclusions: Increasing trend of malaria incidence was prominent in the highland region of Papua New Guinea, while long-term trend was dependent upon baseline level of rain¬fall in coastal regions.
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