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진지한 여가특성이 여가중독에 미치는 영향: 승마활동을 중심으로
박용순,강덕제 경기대학교 관광종합연구소 2022 여가관광연구 Vol.36 No.-
This study explores the effect of serious leisure characteristics on leisure addiction in horseback riding for the general public who leisure activities Data collection of this study, a survey was conducted targeting registered members of the equestrian association, members of the horseback riding course, and members of the horse riding club, and a total of 302 copies, 274 copies were used for analysis. As a result of the analysis, 2 factors (patience, identification) out of 6 factors of serious leisure are statistically significant to 3 factors (tolerance, obsession, withdrawal) of leisure addiction, and showed good explanatory power. On the other hand, 1 factor of serious leisure (inherent emotion) was analyzed to be insignificant to all six factors of leisure addiction. As a result of this study, it was confirmed that there are also differences in the constituent factors of serious leisure characteristics that have a significant effect depending on the factors constituting leisure addiction. The major contribution of of this study is confirming that there is a difference in the influence relationship between each factor constituting serious leisure and leisure addiction, in addition, serious leisure activity does not necessarily lead to leisure addiction.
박용순,정태윤,박성욱,Park, Yong-Soon,Chung, Tae-Yun,Park, Sung-Wook 대한임베디드공학회 2015 대한임베디드공학회논문지 Vol.10 No.4
Real-time energy monitoring systems is a demand-response system which is reported to be effective in saving energy up to 12%. Real-time energy monitoring system is commonly composed of smart-plugs which sense how much electrical power is consumed and IHD(In-Home Display device) which displays power consumption patterns. Even though the monitoring system is effective, users should themselves match which smart plus is connected to which appliance. In order to make the matching work to be automatic, the monitoring system need to have appliance identification algorithm, and some works have made under the name of NILM(Non-Intrusive Load Monitoring). This paper proposed an algorithm which utilizes multiple classifiers to improve accuracy of appliance identification. The algorithm proposes to understand each classifiers performance, that is, when a classifier make a result how much the result is reliable, and utilize it in choosing the final result among result candidates from many classifiers. By using the proposed algorithm this paper make 4.5% of improved accuracy with respect to using single best classifier, and 2.9% of improved accuracy with respect to other method using multiple classifiers, so called CDM(Commitee Decision Mechanism) method.
Dietary Reference Intake of n-3 polyunsaturated fatty acids for Koreans
박용순 한국영양학회 2022 Nutrition Research and Practice Vol.16 No.3
This paper examines the process and evidence used to create the Dietary Reference Intake (DRI) of alpha-linolenic acid (ALA) and eicosapentaenoic acid (EPA) + docosahexaenoic acid (DHA) for Koreans. ALA (18:3n3) is an essential fatty acid, and EPA and DHA are known to have beneficial effects on cardiovascular disease risk and reduction of triglyceride levels. Various international organizations have suggested dietary recommendations for n-3 polyunsaturated fatty acids (PUFAs), including ALA, EPA, and DHA. A DRI for Koreans was established for the first time in 2020, specifically for the adequate intake (AI) of ALA and EPA + DHA. This recommendation was based on the average intake of ALA and EPA + DHA from the Korea National Health and Nutrition Examination Survey 2013–2017. For Korean infants, the AI of ALA and DHA was based on the fatty acid composition of maternal milk. Estimated average requirement and a tolerable upper intake level have not been set for n-3 PUFA due to insufficient evidence. In addition, the intake level of n-3 PUFA for prevention of chronic disease has also not been determined. Future studies and randomized controlled trials are required to establish the UL and to define the level for disease prevention.
Obesity Phenotype and Coronary Heart Disease Risk as Estimated by the Framingham Risk Score
박용순,김준수 대한의학회 2012 Journal of Korean medical science Vol.27 No.3
There are conflicting data as to whether general or abdominal obesity is a better predictor of cardiovascular risk. This cross-sectional study involved 4,573 subjects aged 30 to 74 yr who participated in the Fourth Korea National Health and Nutrition Examination Survey conducted in 2008. Obesity phenotype was classified by means of body mass index (BMI) and waist circumference (WC), and participants were categorized into 4 groups. Individuals’ 10-yr risk of coronary heart diseases (CHD) was determined from the Framingham risk score. Subjects with obese WC had a higher proportion of high risk for CHD compared to the normal WC group, irrespective of BMI level. Relative to subjects with normal BMI/normal WC, the adjusted odds ratios (ORs) of normal BMI/obese WC group (OR 2.93 [1.70, 5.04] and OR 3.10 [1.49, 6.46]) for CHD risk in male were higher than obese BMI/obese WC group (OR 1.91 [1.40, 2.61] and OR 1.70 [1.16, 2.47]), whereas the adjusted ORs of obese BMI/obese WC group (OR 1.94 [1.24, 3.04] and OR 3.92 [1.75, 8.78]) were higher than the others in female. Subjects with obese BMI/normal WC were not significantly associated with 10-yr CHD risk in men (P = 0.449 and P = 0.067) and women (P = 0.702 and P = 0.658). WC is associated with increased CHD risk regardless of the level of BMI. Men with normal BMI and obese WC tend to be associated with CHD risk than those with obese BMI and obese WC.
박용순,최계광,Park, Yong-Sun,Choi, Kye-Kwang 한국금형공학회 2021 한국금형공학회지 Vol.15 No.3
The bending process of a press die is to bend a flat blank to the required angle. There are V-bending, U-bending, Z-bending, O-bending etc. for bending processing, and the basic principle of calculating the unfolding length of die processing is used as the neutral plane length. Since the constant of the length value of the neutral surface is different depending on the type of bending, it is impossible to accurately calculate it. In particular, Z-bending processing is performed twice, and it is set on the upper and lower surfaces of the blank, and bending processing occurs at the same time as the upward and downward bending, and the elongation of the material occurs and the material increases. It is not possible to check with the calculated value, and it occurs in many cases where the mold is modified after start-up. This study aims to minimize die modification by developing a formula to calculate the development length of Z-bend.