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서원명 ( Won Myung Suh ),임재운 ( Jae Woon Leem ),김영주 ( Young Ju Kim ),민영봉 ( Young Bong Min ),김현태 ( Hyeon Tae Kim ),허무룡 ( Moo Ryong Huh ),윤용철 ( Yong Cheol Yoon ) 경상대학교 농업생명과학연구원(구 경상대학교 농업자원이용연구소) 2010 농업생명과학연구 Vol.44 No.4
경상대학교 교내에 설치되어 있는 1-2W형 온실을 대상으로 전기 방열기를 이용하여 국화 재배온실의 난방효과를 검토한 결과는 다음과 같다. 실험기간동안 최고, 평균 및 최저 외기온은 각각 -3.8~21.3℃, -5.2~16.1℃ 및 -12.5~14.4℃ 정도의 범위로 나타났으며, 온실 내외의 평균상대습도 각각 43.5~98.6% 및 35.2~100%로 나타났다. 12월 중순부터 2월 상순까지 최저 외기온은 대략 -5.0~-10.0℃ 전후로 나타나 진주기상대의 최근 자료와 비교하면 상대적으로 최저기온이 낮게 나타나는 경향이 있었다. 야간의 경우, 방열기 직하부의 엽온이 방열기 중간 지점에서 측정한 엽온 보다 크게 2~3℃정도 높게 나타나거나 또는 미미하지만 약간 높게 나타나는 경향이 있었다. 근권부의 경우, 직하부나 중간 지점에서의 온도 차이는 거의 없는 것으로 나타났고, 근권부의 최고온도와 기타 최고 온도의 발생 시점을 보면, 약 2시간정도의 지체현상이 있음을 알 수 있었다. 그리고 실험기간동안 난방에 소요된 총 소비전력량, 공급에너지 및 총 난방비는 각각 2,800kWh, 2,408,000kcal 및 112,000won 정도였다. 화석연료인 경유로 난방할 경우, 총 난방비는 224,500won 정도였다. 방열기를 이용하여 난방할 경우, 난방비를 약 50% 정도 줄일 수 있을 것으로 판단되었다. An analysis in heating effects of an electric radiator located in a 1-2W type chrysanthemum (3 cultivars) cultivation greenhouse installed in Gyeongsang National University drew the following conclusions. During the experiment period, the highest, average, and the lowest outside temperatures were in the ranges of -3.8~21.3℃, -5.2~16.1℃ and -12.5~14.4℃, respectively, and the average relative humidity inside and outside the greenhouses were in the ranges of 43.5~98.6% and 35.2~100%, respectively. From mid-December to early February, the lowest outside temperature was recorded as approximately -5.0~-10.0℃, which showed that it tended to be relatively lower than the temperatures recorded at the Jinju Meteorological Observatory. During the night, the leaf temperature measured directly under the radiator tended to be higher by 2~3℃ than that those at the middle point of the radiator, or higher by anegligible amount. In the case of root zone temperature, it was found that there was almost no difference between temperatures of the part directly under and the middle point, and the time when the highest temperature of root zone and other highest temperatures took place showed that there was about a 2-hour delay phenomenon. The total electricity consumption, energy supply and total heating cost during the experiment period were 2,800 kWh, 2,408,000 kcal and 112,000 won, respectively. When diesel, a kind of fossil fuel, was used as heating oil, the total heating cost was around 224,500 won. It was estimated that the total heating cost could be reduced by around 50% if a radiator was used.
Tissue distribution of LOM strain viral antigens using immunohistochemistry in weaned pigs in Jeju
Jae-Sung Heo(Jae-Sung Heo),Jae-Beum Kim(Jae-Beum Kim),Yun-Ho Kim(Yun-Ho Kim),Hyoung-Nam Jo(Hyoung-Nam Jo),Won-Gyu Cho(Won-Gyu Cho),Myeong-Won Suh(Myeong-Won Suh),Hyoung-Seok Yang(Hyoung-Seok Yang),Wan 한국예방수의학회 2019 한국예방수의학회 학술대회자료집 Vol.2018 No.-
Immunohistochemical detection of LOM strain viral antigens in suckling piglets in Jeju
Jae-Beum Kim(Jae-Beum Kim),Won-Gyu Cho(Won-Gyu Cho),Yun-Ho Kim(Yun-Ho Kim),Hyoung-Nam Jo(Hyoung-Nam Jo),Jae-Sung Heo(Jae-Sung Heo),Myeong-Won Suh(Myeong-Won Suh),Hyoung-Seok Yang(Hyoung-Seok Yang),Wan 한국예방수의학회 2019 한국예방수의학회 학술대회자료집 Vol.2018 No.-
The work–life balance and psychosocial well-being of South Korean workers
Jae Won Yang,Chunhui Suh,Chae Kwan Lee,Byung Chul Son 대한직업환경의학회 2018 대한직업환경의학회지 Vol.30 No.-
Background: It is challenging to balance work and life, and little attention has been paid to the work.life balance and psychosocial well-being of South Koreans. We assessed the association between work.life balance and psychosocial well-being among paid Korean workers. Methods: This study was based on data from the fourth Korean Working Conditions Survey. We evaluated only paid workers, which constituted 30,649 of the total of 50,007 subjects surveyed. Poor work.life balance was defined based on the goodness of fit between working hours and social commitments. Well-being was measured using the World Health Organization WHO-5 index. Poisson regression with robust variances was used to calculate the estimated prevalence ratios (PRs) with confidence intervals. Results: Poor work.life balance was associated with poor psychosocial well-being (PR = 1.25; 95% CI 1.21 to 1.28) even after adjusting for work-related and individual characteristics. Poor well-being was associated with low-level job autonomy (PR = 1.06; 95% CI 1.03 to 1.09), working for ≥53 h per week (PR = 1.10; 95% CI 1.06 to 1.14), bluecollar status (PR = 1.16; 95% CI 1.11 to 1.21), low-level support at work (PR = 1.32; 95% CI 1.29 to 1.36), age ≥50 years (PR = 1.21; 95% CI 1.15 to 1.26), the female gender (95% CI PR = 1.04; 95% CI 1.01 to 1.07), and cohabitation (living with somebody) (PR = 1.08; 95% CI 1.04 to 1.12). Good well-being was associated with high-intensity work (PR = 0.96; 95% CI 0.94 to 0.99), being the secondary earner in a household (PR = 0.82; 95% CI 0.79 to 0.85), and higher income (PR = 0.75; 95% CI 0.71 to 0.79). Conclusion: Work.life balance was associated with psychosocial well-being after adjusting for both work-related and individual characteristics.
Molecular Diagnosis of <i>Taenia saginata</i> Tapeworm Infection in 2 Schoolchildren, Myanmar
Won, Eun Jeong,Jung, Bong-Kwang,Song, Hyemi,Kim, Mi-Seon,Kim, Hyun-Seung,Lee, Keon Hoon,Kim, Min-Jae,Shin, Myung Geun,Shin, Jong Hee,Suh, Soon-Pal,Hong, Sung-Jong,Sohn, Woon-Mok,Htoon, Thi Thi,Tin, Ht Centers for Disease Control and Prevention 2018 Emerging infectious diseases Vol.24 No.6
<P><I>Taenia saginata</I> is the most common human tapeworm worldwide but has been unknown in Myanmar. In 2017, fecal examination in Yangon, Myanmar, revealed eggs of <I>Taenia</I> species in 2 children from a monastic school. Several proglottids expelled after medication with praziquantel were morphologically and molecularly confirmed to be <I>T. saginata</I> tapeworms.</P>
( Jae Myeong Lee ),( Jung Kook Suh ),( Ji Seon Jeong ),( Sang Yun Cho ),( Dong Won Kim ) 대한마취과학회 2010 Korean Journal of Anesthesiology Vol.59 No.2
Background: Reactive oxygen species (ROS) induce lipid peroxidation and tissue damage in the endothelium. We tested the antioxidant effect of lidocaine and procaine on ROS-induced endothelial damage in the rabbit aorta. Methods: Aortic rings isolated from rabbits were suspended in an organ bath filled with Krebs-Henseleit (KH) solution bubbled with 5% CO2 and 95% O2 at 37.5oC. After precontraction with phenylephrine (PE, 10-6 M), changes in tension were recorded following a cumulative administration of acetylcholine (ACh 3×10-8 to 10-6 M). Differences were measured as percentages of ACh-induced relaxation of aortic rings before and after exposure to ROS as generated by electrolysis of the K-H solution. The aortic rings were pretreated with lidocaine or procaine (10-5 M to 3×10-3 M) to compare their effects, as well as ROS scavengers, catalase, mannitol, sodium salicylate, and deferoxamine, and a catalase inhibitor, 3-amino-1,2,4-triazole (3AT). Results: Lidocaine and procaine dose-dependently maintained endothelium-dependent relaxation induced by ACh despite ROS activity (P<0.05 vs control value). The 3AT pretreated procaine (3×10-3 M) group decreased more significantly than the un-pretreated procaine group (P<0.05). Conclusions: These findings suggest that lidocaine and procaine dose-dependently preserve endotheliumdependent vasorelaxation against ROS attack, potentially via hydrogen peroxide scavenging. (Korean J Anesthesiol 2010; 59: 104-110)