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중,장년층의 부부갈등과 성적 친밀감이 결혼만족도에 미치는 영향
이상열 ( Sang Yul Lee ) 한국노인의료복지학회 2013 노인의료복지연구 Vol.5 No.1
The result of this study is as follows. First, regarding marital satisfaction according to the general characteristics, income and marital satisfaction have correlation. In men, the group of which income was 5 to 5.99 million won showed the greatest marital satisfaction while in women, the group whose income was over 6 million won indicated the highest marital satisfaction. Second, regarding marital conflict according to the general characteristics, in men, the group whose income was the highest as over 6 million won showed the lowest marital conflict whereas in women, the group whose income was less than 5 to 6 million won indicated the lowest marital conflict. Third, regarding sexual intimacy according to the general characteristics, both in men and women, the group whose income was high, it showed high sexual intimacy while the group’s income was low, it indicated low sexual intimacy. Therefore, we can see that income influences sexual intimacy. Fourth, according to the result of comparative analysis between the group whose income was less than 4 million won and the group whose income was over 4 million won, the effect of the marital conflict factor on sexual intimacy in the group whose income was low was higher than the effect of the marital conflict factor in the group with high income. Regarding the factors affecting marital satisfaction, both the sexual intimacy factor and the marital conflict factor had higher effects on marital satisfaction in the group whose income was high. Fifth, marital conflict and sexual intimacy are affected by income and companion’s health, and as income increases, marital conflict becomes lower and sexual intimacy grows higher.
광산란방식을 이용한 미세먼지 실시간 모니터링 장치 개발 및 성능평가
강두수,오정은,이상열,신희준,봉하경,김대성,Kang, Doo Soo,Oh, Jung Eun,Lee, Sang Yul,Shin, Hee Joon,Bong, Ha Kyung,Kim, Dae Seong 한국입자에어로졸학회 2018 Particle and Aerosol Research Vol.14 No.4
In this study, we have developed a real-time monitoring device for measuring PM10 and PM2.5 of ambient aerosol particles. The real-time PM monitor (SENTRY Dust Monitor) uses the optical scattering method and has 16 channels in particle size. The laboratory and field tests were carried out to evaluate the developed SENTRY Dust Monitor. Arizona Test Dust particles were used as test particles in the laboratory test and the field test was carried out at the Jongno-gu Observatory in Seoul. The measurements of PM10 and PM2.5 concentrations obtained by SENTTRY Dust Monitor were compared with Grimm Dust Monitor (Model 1.108) and a beta ray gauge. It was shown that the PM10 and PM2.5 concentrations obtained by SENTRY Dust Monitor agree well with that of the reference devices. Based on the results obtained in this study, it could be concluded that the SENTRY Dust Monitor can be used as a PM monitoring device for real-time monitoring of the ambient aerosols.
광산란 계측기의 미세먼지 측정 정확도 향상을 위한 수분제거 전처리 기술 개발
강두수,오정은,이상열,신희준,봉하경,최주현,김대성,Kang, Doo Soo,Oh, Jung Eun,Lee, Sang Yul,Shin, Hee Joon,Bong, Ha Kyung,Choi, Joohyun,Kim, Dae Seong 한국입자에어로졸학회 2018 Particle and Aerosol Research Vol.14 No.4
IIn this study, we have developed drying systems for reducing the error by humidity on measuring particulate matter (PM) in the ambient air with optical particle measuring instruments. Two types of drying systems were designed: drying systems using heating and dilution methods. In addition, 3 types of drying systems using a heating method were designed: Type A (1 hole), B (3 holes) and C (7 holes). After making them, the laboratory and field tests were carried out to evaluate the developed drying systems. As a result, it was shown that the PM concentrations obtained by PM monitoring devices with drying systems agree well with that of the reference devices. Therefore, it could be concluded that the drying systems can be applied to PM monitoring devices for real-time monitoring of the ambient aerosols.
액체상흡착제(HMDS) 주입조건에 따른 응축성 가스상 물질의 거동특성 비교
김용구(Yong Gu Kim),이상열(Sang Yul Lee),봉춘근(Choon Keun Bong),김현상(Hyun Sang Kim) 大韓環境工學會 2015 대한환경공학회지 Vol.37 No.5
본 연구에서는 바이오매스의 탄화공정 시 발생되는 목초액을 응축성 가스물질의 전구물질로 이용하여 발생되는 응축성 가스상 오염물질을 제거하기 위하여 액체상 흡착제중 실리카 전구물질인 HMDS의 주입조건에 따른 응축성물질의 입경분포 변화특성을 명확히 파악하고자 하였다. 응축성 가스상 물질을 입자화시켜 제거하기 위하여 액체상 흡착제인 HMDS를 이용할 경우, 흡착제의 주입량, 체류시간 및 가열온도, MFC 유량 등의 적절한 조절로써 입자화 크기를 조절할 수 있었다. 특히 실리카 전구물질을 도입시 끓는점, 밀도(비중), 분자량 등의 물리화학적 특성을 고려하면, 발생되는 응축성 물질을 효과적으로 입자화시켜 제어 가능할 것으로 판단된다. In this study, we were clearly identify the behaviour characteristics on particle size distribution of a condensing species by injection condition of HMDS (Hexa Methyl Di-Silazane, silica precursor that is one of liquid adsorbents) to remove condensing gaseous species as using pyroligneous liquor generated during carbonization process of biomass as precursor of condensing gaseous species. When using HMDS to remove the condensing gaseous species by growth machanism of particles, we could be controlled properly particles size such as amount of adsorbent injection, residence time, heating temperature and MFC flux. Especially, in case of using the silica precursor, in consideration of the physical and chemical properties of the boiling point, the specific gravity and the molecular weight, we found that the condensing species could be effectively controlled by particles granulation.
단일모터 및 구면좌표계를 이용한 2차원 운동 3D 스캐닝 장치
조영호(Yeong Ho Jo),김광훈(Gwang Hun Kim),김무경(Moo Kyung Kim),이상열(Sang Yul Lee) 대한기계학회 2024 大韓機械學會論文集A Vol.48 No.3
본 연구에서는 제작 비용을 낮추기 위해 하나의 모터와 카메라만을 사용하여 구면좌표계 중 2개의 차원을 운동시킬 수 있는 3D 스캐너를 개발했다. 또한, 기존 상용 제품에서 스캔이 어려운 대상의 아랫부분 스캔을 가능하게 했다. 모터의 360° 회전 각도에서 일정한 각도마다 3D 스캐너에 장착된 카메라로 2D 이미지를 촬영했고, 획득한 2D 이미지로 시점합성 기술을 진행하여 스캔 대상 물체의 3D 모델을 생성했다. 이후, 후처리를 통해 최종적으로 3D 모델을 획득하였다. 평가를 위해 상용 스캐너와 비교하여 정밀도를 측정했다. 개발된 3D 스캐너는 스캔이 어려운 지점에서 상용제품보다 높은 정밀도를 보여주어 원본과 근접한 성능을 보여주었다. In this study, we developed a 3D scanner capable of controlling two degrees-of-freedom in spherical coordinates using only one motor and camera to reduce production costs. Additionally, the developed device managed to scan the undersides of objects that are difficult to scan with existing commercial products. The camera mounted on the 3D scanner captured 2D images at regular intervals during the motors 360° rotation. Subsequently, we performed viewpoint synthesis using the acquired 2D images to generate a 3D model of the scanned object. Finally, post-processing was applied to obtain the final 3D model. Precision was measured by comparing the final model with that constructed using a commercial scanner for evaluation. The developed 3D scanner demonstrated higher precision compared with that of commercial products in challenging scan areas, yielding models closer to the original object. The developed 3D scanner exhibited superior precision compared with the commercially available scanners, making it a cost-effective solution that can scan difficult-to-reach areas, particularly the undersides of objects. This study highlights the potential of the proposed approach for achieving accurate 3D scanning while minimizing production costs.
황지훈(Ji-Hoon Hwang),김용구(Yong-Gu Kim),이상열(Sang-Yul Lee),김한나(Han-Nah Kim),김세진(Se-Jin Kim),봉하경(Ha-Kyung Bong),봉춘근(Choon-Keun Bong) 한국산학기술학회 2015 한국산학기술학회 학술대회 Vol.2015 No.1
본 연구에서는 악취센서의 출력값이 불안정한 온습도 조건을 가진 악취가스를 적정한 온습도로 전처리한 후, 센서출력값의 성능성능에 대한 평가를 파악하고자 수행하였다. 실험결과 전처리 전에는 불안정하던 악취센서의 출력값이 전처리 후에는 안정적인 것을 확인할 수 있었다. 따라서, 악취가스 센서로 측정시 저온 및 고습환경을 고려하여 보다 정확한 전처리 시스템을 개발한다면, 보다 정확한 악취 측정이 가능할 것으로 판단된다.
기능적 체중지지훈련이 뇌졸중 환자의 균형 및 보행에 미치는 영향
구봉오 ( Bong Oh Goo ),심제명 ( Je Myung Shim ),이상열 ( Sang Yul Lee ),김형수 ( Hyoung Su Kim ),이명희 ( Myung Hee Lee ),박민철 ( Min Chull Park ) 대한물리의학회 2010 대한물리의학회지 Vol.5 No.1
Purpose:This study investigated to find the therapeutical effects of functional weight bearing exercise on the balance and gait in stroke. Methods:The subjects of this study were 13 hemiplegia was exercised using functional weight support exercise for 5 weeks, all of whom agreed to participate in the study. All subjects were measured to see their balance and gait with a Pro-3 balance system and Gait analysis. In order to assure the statistical significance of the results, we used for SPSS 12.0 for windows. Results:The results of this study were as follows : 1) There were statistically significant difference in medial-lateral stability and overall stability index. 2) There were statistically significant in distance and gait velocity index. Conclusion:According the results of this study, functional weight bearing exercise is effect on the balance and gait for hemiplegia