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홍성찬,김영빈,박병근,정동혁,이정윤,김유성 圓光大學校 附設 體力科學硏究所 2005 體力科學硏究 Vol.28 No.-
The Purpose of this research is to examine the effect of the aerobic exercise duration on cardiorespiratory function and body fat. Total 14 divided into two groups 7, for the control group and the other for the experimental group 7. The subjects of experimental group had 8 weeks aerobic program in the given intensity, during which the changes in cardorespiratory function and body fat were measured three times, at each end of 0th, 8th week. The research is comcluded as follows. 1. After 8 Weeks, aerobic exercise brought the decrease of maximum HR and the increase of VE with statistically significant(p<.05). 2. Aerobic exercise brought along the change of fat, especially the decline of the rate of fat and the amount of fat. In conclusion, aerobic exercise helps overweight women to reduce their weights and the amount of fat and to get rid of elements that cause various geriatric diseases. Therefore, overweight women as well as common adults are advised to take aerobic exercises
홍성찬,김영빈,윤영복,박병근,김유성 圓光大學校 附設 體力科學硏究所 2007 體力科學硏究 Vol.29 No.-
This study is aimed at investigating the effects of aerobic exercise of female college students on blood lipids and body fat percentage. Twelve female students were selected for this study and each 6 of them were alloted into the control group and experiment group. The experiment group underwent jogging for 12 weeks and its effects on blood lipids and body fat percentage were measured at the 4th, 8th and final week of the jogging program. The outcomes of the experiment could be summarized as follows: 1. As for HDL-C due to jogging, the experiment group showed an eminent increase with statistical significance(p<.05). 2. In case of LDL-C following jogging, there was a great amount of decrease in the experiment group after the exercise with statistical significance(p<.05). In sum, it is revealed from the present study that the prescribed magnitude and length of exercise can be of help for HDL-C and LDL-C that have been recognized as indicators for diseases of adult people.
스페로이드 조합자극치료 적용 후 만성요통의 통증 감소 효과
홍성찬,김영빈,박병근,김유성,이성진,정동혁 원광대학교 체력과학연구소 2008 體力科學硏究 Vol.30 No.1
The aim of the present study is to evaluate effects of Spheroid 9000NS applied to 10 elderly patients with Chronic Low Back Pain. The effects were measured and analyzed by means of MPQWL, VRS, VAS-I and VAS-U after 4, 8 and 12 weeks, respectively, during the 12-week application of the Spheroid 9000NS. From the findings of the measurement and analysis, following conclusion could be drawn: 1. Significant reductions in MPQWL were confirmed at each period of measurement since the use of Spheroid 9000NS(p<.001). 2. Significant reductions were also revealed in VRS at each period of the measurement(p<.001). 3. Significant reductions were also revealed in VAS-I at each period of the measurement(p<.001). 4. The same reductions were found as well in VAS-U 4, 8 and 12 weeks after the application of the Spheroid 9000NS(p<.001). In sum, it may be concluded from the outcomes that the use of Spheroid 9000NS may help reduce drastically Chronic Low Back Pain, mostly effective to remove them speedily and safely. Patients, rehabilitation therapists and health experts are, therefore, recommended to employ the products as safe and effective means to control pains. Continued researches and experiments should further be conducted to collect more data from the larger population of patients with particular diseases in clinical situation, though.
A Study on Large-scale Nudging Effects in Regional Climate Model Simulation
Yoo-Bin Yhang,홍성유 한국기상학회 2011 Asia-Pacific Journal of Atmospheric Sciences Vol.47 No.3
The large-scale nudging effects on the East Asian summer monsoon (EASM) are examined using the National Centers for Environmental Prediction (NCEP) Regional Spectral Model (RSM). The NCEP/DOE reanalysis data is used to provide large-scale forcings for RSM simulations, configured with an approximately 50-km grid over East Asia, centered on the Korean peninsula. The RSM with a variant of spectral nudging, that is, the scale selective bias correction (SSBC), is forced by perfect boundary conditions during the summers (June-July-August) from 1979 to 2004. The two summers of 2000and 2004 are investigated to demonstrate the impact of SSBC on precipitation in detail. It is found that the effect of SSBC on the simulated seasonal precipitation is in general neutral without a discernible advantage. Although errors in large-scale circulation for both 2000and 2004 are reduced by using the SSBC method, the impact on simulated precipitation is found to be negative in 2000 and positive in 2004 summers. One possible reason for a different effect is that precipitation in the summer of 2004 is characterized by a strong baroclinicity, while precipitation in 2000 is caused by thermodynamic instability. The reduction of convective rainfall over the oceans by the application of the SSBC method seems to play an important role in modeled atmosphere.
Yoo, Dong-Hwi,Park, Han-Bin,Jang, Won-Suk,Kwon, Oh-Bin,Choi, Ki-Won,Lee, Yu-Jin,Lee, Sang-Gun,Choi, Jae-Yong,Kim, Ho,Jang, Seon-Woo Korean AcupunctureMoxibustion Medicine Society 2021 대한침구의학회지 Vol.38 No.3
Background: Korean medicine treatment was assessed in patients with knee osteoarthritis (OA) according to subgroups of: sex, age, cause of knee OA, body mass index, hospitalization period, history, OA compartment, phenotype, and comorbidity. Methods: A retrospective review was performed of 122 inpatients who were admitted to the Hospital of Korean Medicine for Korean medicine treatment of knee pain, and were diagnosed with knee OA based on magnetic resonance imaging findings. Analysis of patient subgroups (sex, age, cause of knee OA, body mass index, hospitalization period, history, OA compartment, phenotype, and comorbidity) was carried out and treatments including acupuncture, cupping, pharmacopuncture, herbal medicine, chuna therapy, medicinal steaming therapy, manual therapy, and extracorporeal shock wave therapy were listed. The numeric rating scale (NRS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and 5-level EuroQol- 5 Dimension (EQ-5D-5L) scores were measured before and after treatment to assess the effects of treatment on pain and quality of life. Results: Seventeen males and 105 females were included in this study. Most patients were in their 60s. In the total study population, NRS, WOMAC, and EQ-5D-5L scores were improved statistically significant when comparing before and after treatment. The NRS and WOMAC scores improved statistically significant in the medial, patellofemoral, medial + patellofemoral, medial + lateral + patellofemoral compartment. Conclusion: Korean medicine treatment significantly reduced pain, stiffness, and physical dysfunction, and improved the quality of life of patients with knee OA, suggesting that it may be an effective alternative to the current conservative treatments.
Silane-based wet and plasma coating on SrAl2O4:Eu2+, Dy3+ phosphor for surface modification
Yoo Jung Hyeon,Kim Bo Young,Jeong Seong Guk,Kwon Seok Bin,Yoo Ho Chan,Choi Seung Hee,Song Young Hyun,Kang Bong Kyun,Yoon Dae Ho 한국물리학회 2022 Current Applied Physics Vol.38 No.-
To date, organizations in many countries have tried persistent phosphors to apply in the field of safety facilities such as road striping and signs to improve visibility. However, the road facilities were usually exposed to harsh conditions such as pouring and wearing. Therefore, the surface coating and modifications of the phosphor are researched to improve the stability and adhesivity for binder material. Herein, we report the comparison of wet and plasma coating method for surface modification. Three kinds of silane functional materials for coating agent with different characteristic was chosen. From the results, we could confirm that the uniformity of the coating is better in the case of the plasma process. And the plasma-coated phosphor with the coating agent which has long carbon chain maintains the luminescence intensity over 50% after soaking in water for 48h, despite the pristine phosphor almost loses the luminescence characteristics occurring the phase transition.
Yoo Bin Shin,Yun Hee Ju,In-Seok Seo,Cheul-Ro Lee,Yong-nam Kim,Kyeong jun Kong,Jong-Woong Kim 대한금속·재료학회 2020 ELECTRONIC MATERIALS LETTERS Vol.16 No.3
Although previous studies have shown that Ag nanowire (AgNW) is among the most powerful means to replace the brittleindium tin oxide, physically fexible devices using AgNWs are not yet available on the market mainly because of the insuffcientmechanical robustness of the AgNW-based electrodes. Here we propose a modifed inverted layer processing (ILP) tofabricate mechanically robust, near-foldable transparent conductors by totally impregnating AgNWs just under the surfaceof cured polyvinyl butyral (PVB). A single demerit of the original ILP, low surface coverage of conductive pathways, wasresolved by photo-induced heating of the AgNWs to settle them on a temporary substrate before coating and curing of thePVB. This resulted in wide coverage of conducting pathways on the surface of the AgNWs/PVB without compromisingthe ultralow surface roughness. Furthermore, the high strength and excellent compatibility of the PVB with the AgNWsfacilitated the preparation of near-foldable touch sensors.