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고랭지 농업 용수확보를 위한 소규모 빗물 이용시설 적용방안
전계원(Kye Won Jun)(全桂元),장창덕(Chang Deok Jang)(張昌德),정승권(Seung Kwon Jung)(鄭承權),전병희(Byong Hee Jun)(田炳熙) 위기관리 이론과 실천 2013 Crisisonomy Vol.9 No.8
최근 기후변화로 지난 2009년과 2012년에 강원도 태백시에서는 가뭄으로 인하여 엄청난 피해를 경험한 적이 있다. 또한 가뭄과 장마의 예측은 점점 더 어려워져 가는 실정이다. 특히 태백시의 87일간의 가뭄과 제한급수에 따른 피해액은 일상생활 134억원, 산업부문 338억원, 공공부문 47억원, 정신적ㆍ사회적 피해 1, 430억원 등 총 1, 949억원에 달하는 것으로 분석되었다. 태백시에 또 다른 큰 문제점은 가뭄으로 인한 고랭지 농업 피해로 인한 손실이다. 고랭지 배추를 생산하는 태백시는 우리나라 유일의 고산지역의 도시로서, 고랭지 농업이 특히 발달한 지역이다. 특히 태백 고랭지 배추는 태백시 농산품의 95.9%, 총 경지면적의 86.6%를 차지하고 있으므로, 배추의 생산성이 태백시 농산품 생산성을 대변한다고 할 수 있다. 본 연구에서는 태백시의 공공기관과 고랭지 농업 지역을 직접 방문하여 소규모 빗물 이용 시설에 대한 현황조사 및 시설의 상태를 점검하고 가뭄발생시 고랭지 농업지역의 피해를 최소화 할 수 있도록 소규모 빗물 이용 시설의 적용 방안 및 효과를 분석하였다. Recently, drought and rainy season are getting more serious. It is getting hard to forecast about drought because drought frequency is getting shorter than before. In 2009(winter) and 2012(summer), Taebaek-si was suffered from enormous damage due to the drought. Particularly, in 2009, cost of damage due to drought and restriction on water supply for 87days were estimated daily life sector 134 billion won, industry sector 338 billion won, the public sector 47 billion won, mental and social damage 1, 430 billion won. The other big issue of Taebaek is decrease in products of Highland Agricultural caused by the drought. Highland chinese cabbage which is the most important agricultural product in Taebaek-si account for 95.9% of all agricultural production of Taebaek-si and account for 86.6% of all gross area. For this reason, chinese cabbage of Taebaek-si is tropical agricultural product and is in charge of supply cabbage definitely. It is considered that if small scale rainwater harvesting system would be installed in highland agriculture area, it could reduce damage of drought at low cost and damage of cabbage would be decrease by system. For this study, We have researched regarding current status of Small Scale Rainwater Harvesting System of Highland Agriculture area in Taebaek-si and have compared with the amount of damage and installation cost in case of drought for the beneficial effects of Small Scale Rainwater Harvesting System, flexible supply of water and damage minimization of agricultural products.
흡연이 치과 외래 이용 및 치과 외래 의료비에 미치는 영향
정선락 ( Sun Rak Jeong ),김영희 ( Young Hee Kim ),장지언 ( Ji Eon Jang ),이원기 ( Won Kee Lee ) 대한예방치과·구강보건학회 2015 大韓口腔保健學會誌 Vol.39 No.4
Objectives: The objectives of this study were to evaluate the effect of smoking on utilization of and expenses in ambulatory dental care. Methods: The subjects of this study were 5,751 men aged over 20 years selected from the Korea Health Panel data collected during 2010-2012. Pack-years of smoking were calculated based on the survey data. Dental utilization was defined as dental outpatient clinic use least once in three years. The expenses in ambulatory dental care were summed to determine total dental health care spending for three years. To detect the effect of smoking, we used multiple logistic regression analysis for dental utilization and multiple linear regression for expenses in ambulatory dental care after changing log. Results: The pack-years had a significant effect on dental utilization and expenses in participants aged 40-59 years. After controlling for income level, bedtime brushing, and the presence of chronic disease, dental care utilization rates in the over 10 to less than 25 pack-year and the over 25 pack-year groups were about 1.4 (OR=1.37, (P =0.007)) and 1.6 times (OR=1.59, (P =0.001)) those in the 0 pack-year group. In comparison with the 0 pack-year group, the over 10 to less than 25 pack-year group spent 50,000 won more over dental expenses, while the corresponding number for the over 25 pack-year group was about 100,000 won. Thus, the ambulatory dental care expenses increased with the packyears of smoking. Conclusions: Smoking significantly influenced the utilization and expense in ambulatory dental care in men aged 40-59 years.
박일수(Park, Il-Soo),장유운(Jang, Yu-Woon),하상섭(Ha, Sang-Sub),장수환(Jang, Su-Hwan),정경원(Chung, Kyung-Won),김혜원(Kim, Hye-Won),김희선(Kim, Hee-Sun) 한국외국어대학교 중남미연구소 2016 중남미연구 Vol.35 No.2
콜롬비아 소가모스 지역에서 미세먼지 감축 시나리오를 TAPM 모델을 활용하여 도출하고 평가하였다. 시나리오 1의 제철소 및 금속 등 중공업 오염원을 대상으로 미세먼지 방지 기술을 이용하여 배출량을 80% 감축하는 방안에서는 도시 중심 평균 농도는 6.5 μg m-3로 1.5 % 감소하였고, 모델영역에서 최고 평균농도는 387 μg m-3 로 변동 없었다. 시나리오 2의 벽돌 및 석회공장 등을 대상으로 연료를 석탄에서 코크스로 교체하여 90 % 감축하는 방안에서는 도시 중심 평균 농도는 4.5 μg m-3로 31.8%, 모델영역에서 최고 평균농도는 111 μg m-3 로 71.6 % 감소하였다. 시나리오 1과 시나리오 2를 결합한 시나리오 3에서는 도시 중심에서 평균 농도는 4.3 μg m-3로 34.8 %, 모델영역에서 최고 평균농도는 110 μg m-3 로 71.7 % 감소하였다. 소가모스 지역에서 대기환경을 개선하는 로드맵 수립에는 수공업에서 주로 사용되는 석탄 연료를 청정연료인 코크스로 교체하는 방안이 최우선으로 고려되어야 하겠다. 이후 미세먼지 방지 시설을 굴뚝에 설치하는 방안도 차선책으로 고려하여 환경과 경제가 선 순환하는 녹색성장관점에서 장기적인 미세먼지 개선 마스터 플랜이 수립되어야 하겠다. Reduction scenarios for PM10 concentration in Sogamoso, Colombia were analyzed using the TAPM( The Air Pollution Model). The average concentration of PM10 in the downtown area was 6.5 μg m-3, a reduction of 1.5 %. The maximum average concentration in the model domain was 387 μg m-3 without any reduction in scenarios 1 which the PM10 emissions from heavy industries such as iron and metal was reduced by 80 % using the prevention technology. In scenario 2 which the PM10 emissions from the brick and lime industries was reduced by 90 % substituting coke (a cleaner fuel) for coal, the average concentration of PM10 in the downtown area was 4.5 μg m-3, a reduction of 31.8 % , the maximum average concentration in the model domain was 111 μg m-3 , a reduction of 71.6 %. In scenario 3 which the scenarios 1 and 2 were combined, the average concentration of PM10 in the downtown area was 4.3 μg m-3, a reduction of 34.8 % and the maximum average concentration was 110 μg m-3, a reduction of 71.7 %. To put forward a road map for the reduction of PM10 in the Sogamos region, substituting coke for coal in manual industries should have priority over reduction policies. Also, it is highly recommended that a longterm master plan for reducing PM10 concentrations should be established with a focus on environmentally-friendly development and future green growth policy with a win-win relationship between economy and environment.
Smart Building Block Toys using Internet of Things Technology
Jang, Sung Hee,Nam, Ki Won,Jung, Yong Gyu The International Promotion Agency of Culture Tech 2016 International Journal of Advanced Culture Technolo Vol.4 No.2
Internet was once used to link ideas, then people and now it is starting to connect all things. IoT constitutes a good paradigm to enable people to design and modify things, and then share their designs and modifications. Through the internet, things nowadays are able to exchange raw data and information, thus enabling the development of a new class of interconnected smart objects. Smart building block toy systema are a newly proposed concept that combines internet technology into educational blocks. It is composed of the IoT environment that has attracted attention recently. In this paper, we design a system using starUML, one of the program development tools in the system design process. Educational content can be shared to learners via the proposed service of the IoT, while also being interesting for young child learners.
Jang, In-Seok,La, Jun-Ho,Kim, Gyu-Tae,Lee, Jeong-Soon,Kim, Eun-Jin,Lee, Eun-Shin,Kim, Su-Jeong,Seo, Jeong-Min,Ahn, Sang-Ho,Park, Jae-Yong,Hong, Seong-Geun,Kang, Da-Won,Han, Jae-Hee The Korean Society of Pharmacology 2008 The Korean Journal of Physiology & Pharmacology Vol.12 No.5
Single-channel recordings of TASK-1 and TASK-3, members of two-pore domain $K^+$ channel family, have not yet been reported in dorsal root ganglion (DRG) neurons, even though their mRNA and activity in whole-cell currents have been detected in these neurons. Here, we report single-channel kinetics of the TASK-3-like $K^+$ channel in DRG neurons and up-regulation of TASK-3 mRNA expression in tissues isolated from animals with spinal cord injury (SCI). In DRG neurons, the single-channel conductance of TASK-3-like $K^+$ channel was $33.0{\pm}0.1$ pS at - 60 mV, and TASK-3 activity fell by $65{\pm}5%$ when the extracellular pH was changed from 7.3 to 6.3, indicating that the DRG $K^+$ channel is similar to cloned TASK-3 channel. TASK-3 mRNA and protein levels in brain, spinal cord, and DRG were significantly higher in injured animals than in sham-operated ones. These results indicate that TASK-3 channels are expressed and functional in DRG neurons and the expression level is up-regulated following SCI, and suggest that TASK-3 channel could act as a potential background $K^+$ channel under SCI-induced acidic condition.
Jang, Ho-Hee,Lee, Kyun-Oh,Chi, Yong-Hun,Jung, Bae-Gyo,Park, Soo-Kwon,Park, Jin-Ho,Lee, jung-Ro,Lee, Seung-Sik,Moon, Jeong-Chan,Yun, Jeong-Won,Choi, Yeon-Ok,Kim, Woe-Yeon,Kang, Ji-Seoun,Cheong, Gang-Wo Plant molecular biology and biotechnology research 2004 Plant molecular biology and biotechnology research Vol.2004 No.-
Although a great deal is known biochemically about Peroxiredoxins (Prxs), little is known about their real physiological function. We show here that two cytosolic yeast Prxs, cPrxⅠ and Ⅱ, which display diversity in structure and apparent molecular weights (MW), can act alternatively as peroxidases and molecular chaperones. The peroxidase function predominates in the lower MW forms, whereas the chaperone function predominates in the higher MW complexes. Oxidative stress and heat shock exposure of yeasts causes the protein structures of cPrxⅠ and Ⅱ to shift from low MW species to high MW complexes. This triggers a peroxidase-to-chaperone functional switch. These in vivo changes ate primarily guided by the active peroxidaxe site residue, Cys^(47), which serves as an efficient "H_(2)O_(2)-sensor" in the cells. The chaperone function of these proteins enhances yeast resistance to heat shock.