209 research outputs found

    ์กฐ์„  ์™•๋ฆ‰์— ๋Œ€ํ•œ ์—ญ์‚ฌ์ง€๋ฆฌ์  ๊ณ ์ฐฐโ€•ํ’์ˆ˜์  ๊ด€๋ จ ์‚ฌ์‹ค์„ ์ค‘์‹ฌ์œผ๋กœโ€•

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    ใ€€์ด ๊ธ€์€ ์กฐ์„  ์™•๋ฆ‰์˜ ๋ถ„ํฌ. ์ž…์ง€. ๋ฐฐ์น˜ ํŠน์ง•๊ณผ ๊ฒฝ๊ด€์˜ ์กฐ์„ฑ ๋ฐ ๊ด€๋ฆฌ์— ๋Œ€ํ•œ ํ’์ˆ˜์  ๊ด€๋ จใ€€ ์‚ฌ์‹ค์„ ์—ญ์‚ฌ์ง€๋ฆฌ์ ์œผ๋กœ ๊ฒ€ํ† ํ•œ ๊ฒƒ์ด๋‹ค. ๋˜ ๊ฒฝ๊ด€์ƒ์— ๋“œ๋Ÿฌ๋‚˜๋Š” ๊ฐ€์‹œ์  ํ˜•ํƒœ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์ž…์ง€ ๋ฐ ํ˜•์„ฑ ๊ณผ์ •์„ ๋‘˜๋Ÿฌ์‹ธ๊ณ  ์ „๊ฐœ๋œ ์ •์น˜๊ถŒ๋ ฅ์ง‘๋‹จ ๊ฐ„์˜ ๊ณต๊ฐ„์ •์น˜์  ์–‘์ƒ์„ ์ฃผ๋ชฉํ•˜์˜€๋‹ค. ์ด๋“ค์€ ์กฐ์„  ์™•๋ฆ‰์ด ํ†ต์‹œ์ ์ธ ์—ญ์‚ฌ์  ๊ณผ์ •์˜ ์‚ฐ๋ฌผ์ด๋ฉด์„œ, ๊ณต์‹œ์ ์œผ๋กœ ์ค‘๊ตญ ๋ช…. ์ฒญ๋Œ€ ๋Šฅ๊ณผ ๋น„๊ต๋˜๋Š” ๋ฌธํ™”์  ์š”์†Œ์ž„์„ ๋งํ•ด์ฃผ๊ณ  ์žˆ๋‹ค.ใ€€์กฐ์„  ์™•๋ฆ‰์€ ๋„์„ฑ์„ ์ค‘์‹ฌ์œผ๋กœ ๊ณผ๋ฐ˜์ˆ˜ ์ด์ƒ์ด 20-40๋ฆฌ ๋ฒ”์œ„์˜ ์™ธ๊ณฝ์— ์‚ฐํฌ๋˜์–ด ์žˆ๊ณ  ๋ถ๋™์ชฝ๊ณผ ๋ถ์„œ์ชฝ ๊ถŒ์—ญ์— ์ง‘์ค‘ํ•˜์˜€๋‹ค. ์ด๋Š” ์‹ ๋ผ์™€ ๊ณ ๋ ค ์™•๋ฆ‰๋ณด๋‹ค ๊ด‘์—ญ์ ์ด๋‹ค. ์™•๋ฆ‰์˜ ์ž…์ง€ ๊ฒฝํ–ฅ์€ ๅฐ็›†ๅœฐ์˜ ์‚ฐ๊ธฐ์Šญ์— ์žˆ์–ด, ์‹ ๋ผ ์™•๋ฆ‰์ด ํ‰์ง€๋‚˜ ๊ตฌ๋ฆ‰์ง€, ๊ณ ๋ ค ์™•๋ฆ‰์ด ์‚ฐ์ง€์˜ ๅฑฑ่…น์— ์œ„์น˜ํ•˜๋Š” ๊ฒƒ๊ณผ ๋‹ค๋ฅด๋‹ค. ์ด๋Š” ํ’์ˆ˜์  ์š”์ธ์ด ๋ฐ˜์˜๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์œผ๋กœ์ƒ๊ฐ๋œ๋‹ค. ๅŒๅŸŸ ๋‚ด ็•ฐ้™ต ๊ฐ„์˜ ๊ฑฐ๋ฆฌ๋Š” 300m ๋‚ด์™ธ๊ฐ€ ๋งŽ์œผ๋ฉฐ, ํ™์‚ด๋ฌธ๋ถ€ํ„ฐ ๋Šฅ๊นŒ์ง€์˜ ๊ฑฐ๋ฆฌ๋Š” ๋Œ€์ฒด๋กœ 150-200m ๋‚ด์™ธ์ด๋‹ค. ์กฐ์„  ์™•๋ฆ‰์˜ ๋ฐฐ์น˜๋Š” ๋‚จํ–ฅ ๋ฒ”์œ„๊ฐ€ ์ ˆ๋Œ€์ ์ด์—ˆ๋‹ค. ๋Šฅ์นจ์€ ็ทฉๆ–œ้ข์˜ ์ž์—ฐ์ง€ํ˜•์„ ่ฃœๅœŸํ•ด ๋งŒ๋“ค์—ˆ๊ณ , ๋ช…๋‹น์ˆ˜ ์—ญ์‹œ ์ž์—ฐ์ง€ํ˜•์˜ ๋ฌผ๊ธธ์— ์ˆœ์‘ํ•˜์—ฌ ์กฐ์„ฑํ•˜์˜€๋‹ค.ใ€€์กฐ์„  ์™•๋ฆ‰์€ ์กฐ์„  ์™•์กฐ์˜ ๊ถŒ์œ„์ ์ด๊ณ  ์ƒ์ง•์ ์ธ ๊ฒฝ๊ด€์ด์—ˆ๋‹ค. ์กฐ์„  ์™•๋ฆ‰์˜ ์ž…์ง€ ์„ ์ • ๋ฐ ้ท้™ต ๊ณผ์ •์€ ์™•์‹ค ํ˜น์€ ์™•์กฑ, ์™•๊ณผ ์‹ ํ•˜, ์‹ ํ•˜ ๊ฐ„์˜ ์ •์น˜์  ์„ธ๋ ฅ ๊ด€๊ณ„๊ฐ€ ํ’์ˆ˜์„ค์„ ๆ”ฟ็•ฅ็š„ ์ˆ˜๋‹จ๊ณผ ๅค–็šฎ๋กœ ํ•˜์—ฌ ๋‚˜ํƒ€๋‚œ ์ •์น˜์‚ฌ์  ๊ฒฐ๊ณผ๋ฌผ์ด์—ˆ๋‹ค.ใ€€ํ’์ˆ˜๋Š” ์กฐ์„  ์™•๋ฆ‰์˜ ์กฐ์„ฑ ๊ณผ์ • ๋ฐ ๊ฒฝ๊ด€ ์ถ•์กฐ์— ํฐ ์˜ํ–ฅ์„ ์ฃผ์—ˆ๋‹ค. ์กฐ์„  ์™•๋ฆ‰์€ ํ’์ˆ˜์ง€๋ฆฌ์  ์›๋ฆฌ์— ๋”ฐ๋ผ ๋Šฅ์˜ ์œ„์น˜์™€ ๋ฐฐ์น˜, ๋Šฅ์—ญ ๊ฒฝ๊ด€์˜ ์กฐ์˜์ด ์ด๋ฃจ์–ด์กŒ๊ธฐ์— ํ’์ˆ˜์ ์ž…์ง€๊ฒฝ๊ด€์„ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. ์กฐ์„  ์™•๋ฆ‰์˜ ๊ด€๋ฆฌ ์ƒํƒœ๋Š” ํ•ด๋งˆ๋‹ค ์ •๊ธฐ์ ์œผ๋กœ ์™•์—๊ฒŒ ๋ณด๊ณ ๋˜์—ˆ์œผ๋ฉฐ ๊ตญ๊ฐ€์˜ ๋ฒ•์ „์—์„œ ๊ด€๋ฆฌ ๋‚ด์šฉ ๋ฐ ๋‹ด๋‹น ์—ญํ• ์ด ๊ทœ์ •๋˜์—ˆ๋‹ค. ์กฐ์ •์—์„œ๋Š” ์™•๋ฆ‰์˜๊ด€๋ฆฌ๋ฅผ ๋‘๊ณ  ํ’์ˆ˜๊ด€๋ฃŒ์˜ ํ’์ˆ˜์  ์›๋ฆฌ๊ณ ์ˆ˜์˜ ์ž…์žฅ๊ณผ ๅ„’่‡ฃ์˜ ็ถ“ไธ–็š„ ์‹ค์šฉ ๋…ผ๋ฆฌ๊ฐ€ ๋Œ€๋ฆฝํ•˜๋ฉด์„œ ์กฐ์ •๋˜๋Š” ์–‘์ƒ์ด ๋นš์–ด์ง€๊ธฐ๋„ ํ•˜์˜€๋‹ค. ํ•œ๊ตญ ้ขจๆฐดๅฒ์—์„œ ๋ณผ ๋•Œ ์™•๋ฆ‰ ํ’์ˆ˜๋Š”์กฐ์„ ์‹œ๋Œ€์ ์ธ ์™•์กฐ ์ •์น˜์ง‘๋‹จ์˜ ์‚ฌํšŒ์  ์†์„ฑ์„ ๊ฐ–๋Š” ํ’์ˆ˜ ๋‹ด๋ก ์˜ ํŠน์ง•์ด๋ผ๊ณ  ๋ณผ ์ˆ˜์žˆ๋‹ค.ใ€€ํ•œํŽธ ์กฐ์„  ์™•๋ฆ‰๊ณผ ๊ด€๋ จํ•œ ์—ญ์‚ฌ์  ์œ ์‚ฐ ์ค‘์—์„œ, ์กฐ์„  ์™•๋ฆ‰์˜ ํ’์ˆ˜์  ์žฌํ˜„๋ฌผ์ด์ž ํŠน์ˆ˜์ง€๋„๋กœ์„œ ์‚ฐ๋ฆ‰๋„๊ฐ€ ์ฃผ๋ชฉ๋˜์—ˆ๋‹ค. ์‚ฐ๋ฆ‰๋„์—๋Š” ๋Šฅ์—ญ์„ ๊ตฌ์„ฑํ•˜๊ณ  ์žˆ๋Š” ๊ฒฝ๊ด€ ์š”์†Œ๋“ค์ดํšŒํ™”์‹์œผ๋กœ ์‚ฌ์‹ค์ ์œผ๋กœ ํ‘œํ˜„๋˜์—ˆ์„ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ํ’์ˆ˜์  ๅฑฑๆฐด ๋ฌ˜์‚ฌ ๋ฐฉ์‹์„ ๋ณด์ด๋ฉฐ์ž์„ธํ•œ ํ’์ˆ˜ ์ •๋ณด๊ฐ€ ํ‘œ๊ธฐ๋˜์—ˆ๋‹ค

    ํ•œ๊ตญ์˜ ์ Š์€ ์„ฑ์ธ ๋‚จ์„ฑ์—์„œ ์„ฑ๊ธฐ๋Šฅ ํ–ฅ์ƒ์„ ์œ„ํ•œ ๋Œ€์ฒด๋ณด์™„์š”๋ฒ• ์‚ฌ์šฉ์— ๋Œ€ํ•œ ์—ญํ•™ ์—ฐ๊ตฌ

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    ํ•™์œ„๋…ผ๋ฌธ (์„์‚ฌ)-- ์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› : ์˜ํ•™๊ณผ, 2012. 8. ๊น€์ˆ˜์›….Introduction: Few studies have been conducted on complementary and alternative medicine (CAM) for improving sexual function. We investigate CAM use for improving sexual function and propose a model explaining what leads to CAM use. Methods: Participants between 20 and 59 years old were recruited from an Internet research panel representing young Korean males. Participants were asked to complete questionnaires on demographic details, attitude toward sexual activity, sexual function, CAM use and desire to use CAM. Subjects were classified into 3 subgroups. Men who use CAM, men who desire but do not actually use CAM and men who neither use nor desire to use CAM were allocated to groups A (actual user), P (potential user) and N (non-user), respectively. Results: Among 443 subjects with a mean age of 39.2ยฑ10.2 years, 49 (11.1%) used CAM for improving sexual function (Group A). Dietary supplements were most commonly used. Overall mean satisfaction for the used CAM was 55.5ยฑ24.2%. There were 192 (43.3%) men who desired but did not use CAM (Group P). According to multivariate analysis, risk factors for desiring CAM included drinking (OR=2.24, 95%CI=1.28-3.91), regarding sex a very important part of life (OR=2.1695%CI=1.41-4.09), self-reported erectile dysfunction (ED) (OR=5.0895%CI=1.60-16.1), and self-reported premature ejaculation (PE) (OR=3.3495%CI=1.65-6.76). Risk factors for actual CAM use included smoking (OR=2.4995%CI=1.11-5.61), a strongly positive attitude toward sexual activity (OR=3.7795%CI=1.42-9.99), low RE (role emotion) points on the SF-36 (OR=0.9895%CI=0.97-0.99) and self-reported non-PE (OR=0.2295%CI=0.06-0.73). Conclusions: Smoking, drinking, self-reported ED, self-reported PE, attitude toward sexual activity, and emotional problems play roles in making decisions concerning CAM use. * This work is published in the Journal of Sexual Medicine (Choi WS, Song SH, Son H. Epidemiological Study of Complementary and Alternative Medicine (CAM) Use for the Improvement of Sexual Function in Young Korean Men: The Korean Internet Sexuality Survey (KISS), Part II. J Sex Med. 2012 May 22DOI: 10.1111/j.1743-6109.2012.02790.x.). ---------------------------------------------------------------------------------------------- Keywords: Alternative Medicine, Complementary Medicine, Male Sexuality, EpidemiologyAbstract i Contents iii List of tables and figures iv Introduction 1 Material and Methods 3 Results 7 Discussion 20 References 26 Abstract in Korean 31Maste

    Influence of Temperature Change on the Fate of Chlorinated Persistent Organic Pollutants (POPs): A Preliminary Study

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    In this study, the influence of climate change on the fate of chlorinated Persistent Organic Pollutants (POPs) in Ulsan, South Korea was evaluated using a multimedia environmental fate model (CoZMo-POP 2). PCB-28 and PCB-153, representative POPs, were selected for the modeling with the temperature changes (??5.0oC and ??2.5oC). Results indicate that the long-term trends of PCB concentrations reflect an emission scenario, with the exception of PCB-153 in soil and sediment. In particular, when the temperature increased, the concentrations of PCBs in the atmosphere also increased; however, those of PCBs in other media (canopy, soil, water, and sediment) decreased. In contrast, the concentration of PCB-153 in a deciduous canopy increased with an increase in temperature due to the high deposition velocity. Due to the temperature changes, the accumulation amounts of PCB-153 showed larger variations from the current levels in the atmosphere, whereas PCB-28 showed larger variations in other media. More specifically, high-chlorinated PCBs mainly accumulated in forest soil, but their levels in the atmosphere demonstrated the high impact caused by the temperature changes. Low-chlorinated PCB levels in the canopy and atmosphere were also highly impacted by the temperature changes. The results of this study can be applied to establish long-term monitoring plans and regulatory policies of POPs according to climate changes such as increases in temperatures

    Analysis and Comparison of the Kernel Based Non-linear Classifiers for RTR

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    Maste

    Optimal Commodity Taxation in Theory and Practice (I) (Written in Korean)

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    Lifetime Incidence of the Social Security System : An Applied General Equilibrium Approach (Written in Korean)

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    ์ง€๊ธˆ๊นŒ์ง€ ์‚ฌํšŒ๋ณด์žฅ์ œ๋„์˜ ๊ฒฝ์ œ์  ํšจ์œจ์„ฑ์— ๋Œ€ํ•œ ๋งŽ์€ ๋…ผ์˜๊ฐ€ ์žˆ์–ด ์™”๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๊ทธ์ค‘ ์ƒ์• ์ฃผ๊ธฐ(life-cycle)์— ๋ฐ”ํƒ•์„ ๋‘” ์ผ๋ฐ˜๊ท ํ˜•์—ฐ์‚ฐ๋ชจํ˜•(AGE : Applied General Equilibrium)์— ์˜ํ•œ ๊ฒฝํ—˜์  ๋ถ„์„์€ ๋ฏธ์ง„ํ•˜์˜€๋‹ค. ๋ณธ ์—ฐ๊ตฌ์˜ ๋ชฉ์ ์€ ์‚ฌํšŒ๋ณด์žฅ์ œ๋„์˜ ์„ธ๋Œ€๋‚ด ์ƒ์• ์†Œ๋“๋ถ„์œ„๊ฐ„ ์žฌ๋ถ„๋ฐฐํšจ๊ณผ์™€ ๊ฒฝ์ œ์  ํšจ์œจ์„ฑ์„ ๋ถ„์„ํ•˜๋Š” ๋ฐ ์žˆ๋‹ค. ์—ฐ๊ตฌ๋ฐฉ๋ฒ•์œผ๋กœ์„œ Fullerton and Rogers(1933) ๋ชจํ˜•์„ ์ˆ˜์ •ํ•œ ์ผ๋ถ€๋ฌธ, ๋‹ค์†Œ๋น„์ž ์ƒ์• ์ฃผ๊ธฐ ์ผ๋ฐ˜๊ท ํ˜•์—ฐ์‚ฐ๋ชจํ˜•์„ ์ด์šฉํ•˜์˜€๋‹ค. ๋ณธ ์—ฐ๊ตฌ๋Š” ๋ฏธ๊ตญ์„ ๋Œ€์ƒ์œผ๋กœ ํ•œ ์ •์ƒ์ƒํƒœ(steady state)์˜ ๋ถ„์„์ด๋ฉฐ, ์†Œ๋น„์ž๋ฅผ ์ƒ์• ์†Œ๋“๋ณ„๋กœ 5๋ถ„์œ„๋กœ ๋‚˜๋ˆ„์–ด ๊ธฐ์กด ์‚ฌํšŒ๋ณด์žฅ์„ธ ๋ฐ ๊ธ‰์—ฌ๊ฐ€ ๊ฒฝ์ œ์  ํšจ์œจ์„ฑ ๋ฟ ๋งŒ ์•„๋‹ˆ๋ผ ๊ณ„์ธต๊ฐ„์˜ ๋ถ„๋ฐฐ์— ์–ด๋– ํ•œ ์˜ํ–ฅ์„ ์ฃผ๋Š”์ง€๋ฅผ ๋ถ„์„ํ•˜์˜€๋‹ค. ๋ณธ ์—ฐ๊ตฌ์˜ ์ฃผ์š”ํ•œ ๊ธฐ์—ฌ์‚ฌํ•ญ์€, ์ฒซ์งธ ์‚ฌํšŒ๋ณด์žฅ์ œ๋„์˜ ๋ถ€๋‹ด๊ท€์ฐฉ๋ถ„์„์— ์ƒˆ๋กœ์šด ์—ฐ๊ตฌ๋ฐฉ๋ฒ•์„ ์‹œ๋„ํ•˜์˜€๋‹ค๋Š” ์ , ๋‘˜์งธ ์žฌ์ •์ •์ฑ…์˜ ํ•˜๋‚˜์ธ ์‚ฌํšŒ๋ณด์žฅ์ œ๋„์˜ ์‹ค์งˆ์  ๋ถ€๋‹ด์˜ ๊ท€์ฐฉ๋ฌธ์ œ๋ฅผ ์ƒ์• ์ฃผ๊ธฐ๋ชจํ˜•์œผ๋กœ ๋ถ„์„ํ•˜์˜€๋‹ค๋Š” ์ , ์…‹์งธ ๋ถ€๋‹ด์˜ ๊ท€์ฐฉ์€ ์‚ฌํšŒ๋ณด์žฅ์„ธ์™€ ์•„์šธ๋Ÿฌ ์‚ฌํšŒ๋ณด์žฅ๊ธ‰์—ฌ๋ฅผ ๊ณ ๋ คํ•˜์—ฌ ๋ถ„์„ํ•˜์ง€ ์•Š์œผ๋ฉด ํŽธํ–ฅ(biased)๋  ์ˆ˜ ์žˆ๋‹ค๋Š” ์ ์„ ์ง€์ ํ•œ ์ , ๋„ท์งธ ๋ถ„์„๊ฒฐ๊ณผ ๊ธฐ์กด ์‚ฌํšŒ๋ณด์žฅ์ œ๋„๋Š” ์ƒ์• ์ฃผ๊ธฐ์  ์†Œ๋“๋ถ„๋ฐฐ์˜ ๊ด€์ ์—์„œ ๋ˆ„์ง„์ (progressive)์ธ ์ œ๋„์ด์ง€๋งŒ ๊ฒฝ์ œ์  ๋น„ํšจ์œจ์„ฑ(efficiency cost)์„ ๋‚ด์žฌํ•˜๊ณ  ์žˆ๋‹ค๋Š” ์  ๋“ฑ์„ ๋ฐํžŒ ๊ฒƒ์ด๋‹ค
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