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박진식,유왕근,정현숙,한종만,양경한,Park, Jin-Sik,Yoo, Wang-Keun,Jung, Hyun-Suk,Han, Jong-Man,Yang, Kyung-Han 대한예방한의학회 2008 대한예방한의학회지 Vol.12 No.3
The purpose of this study was to investigate the effect of aqua exercise on women 50 years of age or older with knee degenerative arthritis, and then examining the therapeutic value of aqua exercise in degenerative arthritis of the knee. The subjects of the study were 115 residents 50 years of age or older who had been diagnosed as degenerative arthritis of the knee by doctors from medical institutions and applied for the aqua exercise program in the Public Health Care Center in Suseong-gu in 2006 and 2007. Experiments were conducted to all the subjects with the application of the 8-week aqua exercise program (2 times a week, 50 minutes a time), designed in the study, and the differences before and after the aqua exercise were compared through questionnaires for measuring the state of the body such as the knee extension angles, weight, body fat, and abdominal obesity. The data was analyzed by t-test and the Wilcoxon method through SPSS 14.0 and the statistical significance level ${\alpha}$ was set at 0.05 and 0.01. The results of the study are as the following. First, In comparison of before and after the aqua exercise, there was improvement in the extension angle of the right knee(p<0.01), while there was some improvement in the extension angle of the left knee, it was not significant. Second, In comparison of before and after the aqua exercise there were statistically significant differences in weight(p<0.05), body fat ratio, and abdominal obesity(p<0.01). The results of this study showed that the aqua exercise program to female patients with knee degenerative arthritis significantly increased the extension angle of the knee. Therefore it is thought that aqua exercise is an effective meditating method to improve their symptoms of female patients 50 years of age or older
인터랙티브 시청자 참여 방송프로그램 포맷 제작과 수익성 관계에 대한 연구
박진식(Jin-Sik PARK) 동국대학교 영상문화콘텐츠연구원 2016 영상문화콘텐츠연구 Vol.11 No.-
최근 10년간 독일 ‘콜 티브이(Call TV: 인터랙티브 형태의 시청자 참여 방송 프로그램 포맷 형태) 산업은 연간 5조 규모의 시장을 형성하고 있다. 특히, 시청자들이 방송 프로그램에 유료로 참여함으로써 방송 프로그램을 통한 수익을 새로운 방송 프로그램 비즈니스로 활발하게 활성화되고 있다. 이러한 시점에서 국내에서 유일하게 엔데몰(Endemol)의 시청자 참여 방송 프로그램 포맷의 비즈니스 구성과 실질적인 국내사례를 통해서 시청자들의 참여가 제작영역과 그 외 방송제작 외 부분의 관계를 살펴보고자 한다. 다만, 특정 장르(상담 쇼)프로그램에 국한되어 있지만, 이러한 사례를 통해서 향후 다양한 장르로 인터랙티브 방송 프로그램의 수익성과 시청률을 담보할 수 있는 콘텐츠 개발을 위해서 유의미한 연구라 할 수 있겠다. There has been an increase in the format industry of Call TV (a format of interactive TV show) over the last decade with a scale of 5 trillion annual market. Especially, broadcasters are looking for new broadcasting program business through the audience participate in the pay-TV. This study must look at the relationship between production field (Front-end) and the part out of production (Back-end) through case study of the audience participation format business composition and the effective domestic case study of Endemol. It is relevant that Korean broadcasters will be obtainable profitability and viewer ratings through the program of a specific genre (consulting show as Call TV).
인버터 폴트 (B4) 환경 하에 토크리플 절감을 위한 개선된 변조방식
박진식(Jin-Sik Park),정신명(Sin-Myung Jung),윤명중(Myung-Joong Youn) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
This paper presents a study on the use of improved space-vector modulation of VSI employing only four switches, four body diodes. Different switching sequence strategy for vector control for inverter fault mode are described. The influence of different switching patterns at same modulation index and improved PWM method is proposed. The proposed PWM is compared with conventional PWM. Simulation and experimental results are presented.
Speed Control of PMSM with Current Controller in Overmodulation Region
박진식(Jin-Sik Park),김학원(Hag-Wone Kim),윤명중(Myung-Joong Youn) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
This paper presents a study on a current control of a PM synchronous motor which is fed by two-level voltage source inverter in the high modulation index area. In order to increase dynamic response and extend speed limit caused by voltage limit, overmodulation method is generally used. The current control in overmodulation have voltage limit. So larger voltage command than voltage limit should be diminished. In this paper, the problem conventional normalization method is analyzed and New normalization method in overmodulation region is proposed.
건강한 한국 성인에서 lipoprotein lipase 유전자의 유전적 다형성이 혈중 지질농도와 체질량 지수에 미치는 영향
박진식(Jin Sik Park),성지동(Ji Dong Sung),채인호(In Ho Chae),김효수(Hyo Soo Kim),주재란(Jae Ran Ju),손대원(Dae Won Son),오병희(Byung Hee Oh),이명묵(Myoung Mook Lee),박영배(Young Bae Park),최윤식(Yun Shick Choi),이영우(Young Woo Lee) 대한내과학회 2000 대한내과학회지 Vol.58 No.1
N/A Background : Lipoprotein lipase(LPL) plays a pivotal role in triglyceride-rich lipoprotein metabolism. It removes TG-rich lipoprotein from circulation by hydrolysing TG and produces active form of HDL. It also affects the development and maintenance of obesity by regulating the fatty acid metabolism of the adipose tissue. Many studies about the association of the genetic variation of LPL and dyslipidemia have been performed, but the results were not consistent. We tried to characterize the phenotypes of the LPL genetic variation in Korean. Methods : Healthy Korean adults (n=110) were genotyped for Hind III/Pvu II RFLP and Ser447Ter mutation of the LPL gene by PCR-digestion method. We investigated the association of the genetic variations with the lipids, the lipoprotein concentrations and the body mass index(BMI). Results : The allele frequencies of Hind III RFLP, Pvu II RFLP and Ser447Ter mutation were H1:H2=33%:67%, P1:P2=40%:60% and Ser447:Ter447=90%:10%. Ser447Ter mutation carriers had higher HDL cholesterol level than non-carriers (59±10mg/dl versus 53±11mg/dl, p=0.049) and the Pvu II RFLP is associated with increased body mass index.(P1P1:P1P2:P2P2 = 22.1±2.0 kg/m2: 23.5±2.7 kg/m2: 24.5±2.6 kg/m2, p=0.003) Conclusion : The genetic variations of the LPL gene in healthy Korean adult resulted in increased HDL cholesterol and increased BMI. These results were different from previous studies. This difference may reflect the racial difference from the diet and the linkage disequilibrium (Korean J Med 58:57-66, 2000)
박진식(Jin-Sik Park),노희영(Hi-Young Roh) 한국정보과학회 강원지부 2007 한국정보과학회 강원지부 학술대회 논문집 Vol.1 No.1
MPEG 표준화 그룹에서는 서로 다른 여러 기존의 규격을 특정 응용 서비스의 목적으로 조합하여 프로파일 개념을 확장한 하나의 독립 규격으로 새롭게 제정해 나가는 추세로 나아가고 있으며 이러한 움직임의 하나가 MPEG-A(MPEG-Application) 멀티미디어 응용 표준화 활동이다. 이에 본 논문에서는 MPEG-A에서 제안하는 MAF 및 사용자 정의 MAF를 쉽게 저작할 수 있는 도구를 구현하였다. 설계 부분은 Formatter, MPEG-7 Authoring Tool, 메타 데이터 Encoding Tool, XMT-A를 통한 MP4 Encode로 구성하였고, 저작자는 사용자 요구에 따른 MAF를 저작하여 제공할 수 있도록 한다.