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윤영복,박병근,정동혁 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 blood lipids. 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 to body fat and blood lipids were measured three times, at each end of 8th, 8th week. The research is concluded as follows. 1. After 8 Weeks, aerobic exercise brought the decrease of maximum HR with statistically significant(p<.05). 2. After 8 Weeks, aerobic exercise brought the increase of VE with statistically significant(p<.05). 3. After 8 weeks, aerobic exercise reduced TG, LDL-C and T-C with statistically significant(p<.05). 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.
김윤신,윤병준,이준협,윤치근 한국보건통계학회 2003 보건정보통계학회지 Vol.28 No.1
Health indicator system and measurement of health status are an important fields in national health fields. In order to promote the national health level and measure health status, the national heath authority must rebuild the present health data and indicator production system. This study reviewed the overall concepts of health and health indicator, health indicator system. The scope of this study ; - Review of the conceptual health framework, health indicators, and health indicator system - Comparative analysis on the present health indicator system of developed countres and international organizations. This study suggested the new health indicator system corresponding the health state situation and national health components. The results of this study are appiled to the conceptual framework establishment of national health components, the development of national health policy a health status measurement tools. And the national health authority will apply the results of this study to the promotion of health indicator system and the demand of international organizations. Finally, although this study suggest the desirable health indicator system will be reduced in the functions and characteristics of health indicator and health indicator system.
Yoon, Keun-byoung,Jeong, Seonju,Kwak, Giseop Hu@thig & Wepf 2007 Macromolecular Rapid Communications Vol.28 No.11
<P>This paper describes that three-dimensional (3-D) fluorescence image patterning of a network aliphatic polyester was successfully conducted by microtransfer molding (µTM) of the prepolymer and subsequent thermal treatment. A highly sticky, aliphatic ester prepolymer, containing a malonate moiety in the main chain, was obtained by a two-step reaction, quantitatively. The 3-D micropattern of the prepolymer was fabricated by µTM using polydimethylsiloxane (PDMS) as elastomeric mold. The patterns showed a clear shape without any residual layer. When the molded prepolymer was thermally treated, the patterns exhibited very distinct fluorescence images in a full color range of sky-blue, yellowish green and red regions when excited at wavelengths of 325, 488, and 580 nm, respectively.</P><P> <img src='wiley_img/10221336-2007-28-11-MARC200700134-gra001.gif' alt='wiley_img/10221336-2007-28-11-MARC200700134-gra001'> </P>
Yoon, Keun Byoung The Polymer Society of Korea 2004 Macromolecular Research Vol.12 No.5
We present simple, low-cost methods for the fabrication of polymeric waveguides that have large core sizes for use as optical interconnects. We have used both hot embossing and micro-contact printing techniques for the fabrication of multimode waveguides using the same materials. Rectangular and large-core (60${\times}$60 $\mu\textrm{m}$$^2$) channels were readily prepared when using these methods. The dimensions of the embossed and printed channels were the same as those of the pattern on the original master. The polymeric waveguides that we fabricated with large core sizes exhibited a low propagation loss of 0.1 dB/cm at 850 nm, which indicates that hot embossing and micro-contact printing are suitable techniques for the fabrication of optical waveguides having large-core.
Yoon, Keun Byoung The Polymer Society of Korea 2004 Macromolecular Research Vol.12 No.5
We have fabricated a polymeric waveguide by using a hot embossing technique and have investigated its propagation loss. The replication of waveguide channels through the use of a hot embossing technique is of interest as a single-step process that could deliver surface roughnesses far smaller than the wavelength. We have evaluated experimentally that the sidewall roughness has a dominant effect on insertion losses of the multimode polymeric waveguide. The propagation loss of the waveguide decreased dramatically upon decreasing the sidewall roughness of the channel. We have confirmed that the preparation of waveguides having nanometer-scale sidewall roughness and 0.1 dB/cm propagation loss is possible when using the hot embossing technique.