http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
바이오매스 합성가스를 이용한 엔진 발전 시스템의 경제성 평가
문지홍(Ji Hong Moon),이정우(Jeung Woo Lee),방병열(Byung Ryeul Bang),김세원(Se Won Kim),이은도(Uen Do Lee) 한국열환경공학회 2010 한국열환경공학회 학술대회지 Vol.2010 No.추계
Biomass, a carbon neutral fuel, is one of the fastest growing renewable energy sources. In this study, economic feasibility of small scale power generation system using syngas from biomass has been investigated. Effects of important variables such as capital investment, cost of waste wood, renewable energy certificate(REC), system marginal price(SMP) on the benefit of business have been analyzed. Internal rate of return(IRR) was predicted as 16.90%, which implicates the business is promising based on the assumptions such as SMP of 137 Won/kWh, capital cost of 4.7 billion won, and waste wood price of 30 thousand won. Major factors affecting the benefit of business are as follows; system marginal price, operational rate, capital investment, expenditure of waste wood, certified emission reduction.
Mercury Contents of Medicinal Plants and the Cultivated Soils in Korea
Won-Il Kim,Woo-Ri Go,Chang-Oh Hong,Kwon-Rae Kim 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.6
This study was conducted to identify transition characteristics of mercury in several selected medicinal plants and to find the appropriate management for production of safety food. Cultivated soils and medicinal plants were collected at 29 sites for Angelica gigas (Korean angelica root), 68 sites for Platycodon grandiflorum (Balloon flower), 35 sites for codonopsis lanceolata (Deoduck), 36 sites for Dioscorea batatas (Chinese yam), 32 sites for Rehmannia glutinosa (Foxglove), 16 sites for Cnidium officinale makino (cnidium), and 26 sites for Astragalus membranaceus (milk vetch root) during the harvest season of 2013. Mercury in the soils and medicinal roots were analyzed with a Direct Mercury Analyzer. Average content of mercury in soils cultivated medicinal plants was 0.023 mg kg<SUP>-1</SUP> (range: from 0.003 to 0.074 mg kg<SUP>-1</SUP>) and average content of mercury in medicinal plants was 0.003 mg kg<SUP>-1</SUP> (range: from 0.001 to 0.011 mg kg<SUP>-1</SUP>), indicating that mercury in the surveyed soils and medicinal plants were not exceeded the Korean regulation.
A case of pseudoxanthoma elasticum like papillary dermal elatolysis
( Hong Jin Joo ),( Young Jun Woo ),( Ki Min Sohn ),( Won Joon Choi ),( Jung Eun Kim ),( Hoon Kang ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Pseudoxanthoma elasticum-like papillary dermal elastolysis (PXE-like PDE) is a rare acquired elastolytic disorder thatclinically resembles pseudoxanthoma elasticum, but without systemic complication. The pathogenesis of this disease is uncertain, but it seems to be related to intrinsic aging, abnormal elastogenesis, a genetic predisposition and exposure to ultraviolet radiation. It generally develops on the sides of the neck and supraclavicular regions in elderly persons. Histologically, the characteristic features are the loss of elastic fibers in the papillary dermis and the absence of solar elastosis. Herein, we present a case of PXE-like PDE in a 43-year-old female.
Thermal Analysis of PCS for an HTS Pancake Coil in Persistent Current Mode
Woo-Seok Kim,Yungil Kim,Sang-Ho Park,Seyeon Lee,Ji-Kwang Lee,Chan Park,Bang-Wook Lee,Kyoung-Jun Kim,Haigun Lee,Hee-Gyoun Lee,Gye-Won Hong,Kyeongdal Choi IEEE 2010 IEEE transactions on applied superconductivity Vol.20 No.3
<P>It is well known that high temperature superconductors (HTS) are promising for a magnet application, but it has been almost impossible so far to apply them to the magnet in persistent current mode because of poor qualities of their superconducting joint at higher current as well as lower index values. In this paper, in order to get rid of the joints from an HTS superconducting magnet, a prototype HTS pancake coil using YBCO coated conductors by the technique of wind-and-flip pancake coil was made and will be tested later. This paper presents a design, fabrication, and thermal analysis of the prototype pancake coil. The coil will be cooled down around 20 K by conduction cooling using a GM cryocooler. The expected current drift rate for an MRI application has not been achieved, probably caused by large flux flow resistance of coated conductor at higher temperature, 77.3 K. A temperature dependency of temporal stability of the persistent current will be measured by monitoring the long-term drift of the magnetic field at different operating temperatures by Hall sensors.</P>
Won, Jumin,Hong, Young Joon,Jeong, Myung Ho,Park, Hyuk Jin,Kim, Min Chul,Kim, Woo Jin,Kim, Hyun Kuk,Sim, Doo Sun,Kim, Ju Han,Ahn, Youngkeun,Cho, Jeong Gwan,Park, Jong Chun Chonnam National University Medical School 2016 CMJ Vol.52 No.2
<P>Statins and renin-angiotensin system (RAS) blockers are key drugs for treating patients with an acute myocardial infarction (AMI). This study was designed to show the association between treatment with statins or RAS blockers and clinical outcomes and the efficacy of two drug combination therapies in patients with ischemic heart failure (IHF) who underwent revascularization for an AMI. A total of 804 AMI patients with a left ventricular ejection fraction <40% who undertook percutaneous coronary interventions (PCI) were analyzed using the Korea Acute Myocardial Infarction Registry (KAMIR). They were divided into four groups according to the use of medications [Group I: combination of statin and RAS blocker (n=611), Group II: statin alone (n=112), Group III: RAS blocker alone (n=53), Group IV: neither treatment (n=28)]. The cumulative incidence of major adverse cardiac and cerebrovascular events (MACCEs) and independent predictors of MACCEs were investigated. Over a median follow-up study of nearly 1 year, MACCEs had occurred in 48 patients (7.9%) in Group I, 16 patients (14.3%) in Group II, 3 patients (5.7%) in Group III, 7 patients (21.4%) in Group IV (p=0.013). Groups using RAS blocker (Group I and III) showed better clinical outcomes compared with the other groups. By multivariate analysis, use of RAS blockers was the most powerful independent predictor of MACCEs in patients with IHF who underwent PCI (odds ratio 0.469, 95% confidence interval 0.285-0.772; p=0.003), but statin therapy was not found to be an independent predictor. The use of RAS blockers, but not statins, was associated with better clinical outcomes in patients with IHF who underwent PCI.</P>