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신축 공공도서관의 지위적 역할에 따른 규모와 지역 특성에 따른 건립공사비 기준에 관한 연구
이철재(Lee, Chul-Jae),윤지원(Yun, Ji-Won),이민(Lee, Min) 한국실내디자인학회 2017 한국실내디자인학회논문집 Vol.26 No.3
As the functions and roles of public libraries expand, it is time for qualitative growth. In order to improve the quality of public libraries, it is important to plan actual construction costs through systematic feasibility study. Therefore, the purpose of this study is to present the guideline of construction costs considering the size and regional characteristics according to the status role of the new public libraries. The construction costs are based on actual data. The results of the study are as follows. First, we derived the analysis framework according to the size and regional characteristics. The status role of the public libraries was considered theoretically. The size was classified according to status role of the public libraries. Regional characteristics were classified through literature review. Through this, an analysis framework was derived according to size and region. Second, the actual data on construction costs of the new public libraries were examined and analyzed. Basic factors, size, area, and construction costs were analyzed for 285 libraries nationwide that opened from 2010 to 2016. The data of 129 newly opened public libraries were classified. To present construction costs depending on price fluctuation, construction cost index was analyzed as of September 2016. Third, a guideline of construction costs for new public libraries was suggested. The construction cost per 1㎡ of building area was analyzed. By multiplying 116.70(p), the construction cost index, the construction cost per 1㎡ of total building area was calculated to be 2,472,350 won. When applying the research result, construction costs can be gained by adding construction cost index of the month.
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.-
( Jae Min Lee ),( Sung Hoon Moon ),( Sang Wook Park ),( Woo Hyun Paik ),( Chang Nyol Paik ),( Byoung Kwan Son ),( Tae Jun Song ),( Dong Won Ahn ),( Eaum Seok Lee ),( Yun Nah Lee ),( Yoon Suk Lee ),( T 대한간학회 2021 Gut and Liver Vol.15 No.6
Background/Aims: The work environment in which endoscopic retrograde cholangiopancreatography (ERCP) is conducted has influence on its efficacy and safety. We aimed to assess the current status of ERCP work environments and to investigate the trends associated with the basic techniques of ERCP in Korea. Methods: The work environment and information on the basic techniques of ERCP were acquired by the Korean Pancreatobiliary Association (KPBA) through a national survey in 2019. The survey was performed at the KPBA conference in 2019. The contents of survey comprised of the current environment of ERCP, preparation before ERCP, and the preferred basic techniques used in ERCP. Results: Completed questionnaires were returned from 84 KPBA members. The mean ERCP volume per year was approximately 500. About 60% (50/84) reported that they worked with a dedicated ERCP team with experienced nurses. Two-thirds (57/84, 68%) answered that they had a fluoroscopy room used solely for ERCP procedures. All respondents intravenously hydrated the patient to prevent post-ERCP pancreatitis (84/84, 100%). The preferred procedural sedations were balanced propofol sedation (50%) and midazolam-only sedation (47%). Wire-guided cannulation was most commonly used for selective cannulation (81%). Endoscopic retrograde biliary drainage was preferred over endoscopic nasobiliary drainage (60% vs 22%). The initial method of ampullary intervention was endoscopic sphincterotomy in 60%. Conclusions: Data from the survey involving a large number of Korean ERCP doctors revealed considerable variabilities with regard to the work environment and basic techniques of ERCP in Korea. The study provides information regarding the current trends of ERCP that can be used to establish ERCP standards in Korea. (Gut Liver 2021;15:904-911)
Hydrophilic modification of polyacrylonitrile membranes by oxyfluorination
Jae Won Lim,Jeong-Min Lee,Seok-Min Yun,Byung-Jae Park,이영석 한국공업화학회 2009 Journal of Industrial and Engineering Chemistry Vol.15 No.6
The surface of polyacrylonitrile (PAN) membranes was modified by oxyfluorination with various conditions to improve its wettability. The membranes were characterized in terms of morphology, structure, hydrophilicity, and membrane performance. The properties and functional groups on the surface of PAN membranes were investigated by contact angle, SEM, ATR-IR and XPS. And permeability of PAN membranes was compared by permeating pure water flux throughmembrane surface under 100, 150 and 200 kPa pressure. Oxyfluorination introduced oxygen contained functional groups such as the carboxylic acid groups that help increment of wettability on the surface of PANmembrane. Water flux of oxyfluorinated PAN UF membrane increased 20% at pure water permeation pressure 200 kPa compared to that of untreated PAN UF membrane.
Won Lim, Ju,Kyu Jin, Chang,Yong Lim, Keun,Jae Lee, Yun,Kim, Sung-Ryong,Choi, Byung-Il,Whan Kim, Tae,Ha Kim, Dong,Kyung Hwang, Do,Kook Choi, Won Elsevier 2017 Nano energy Vol.33 No.-
<P><B>Abstract</B></P> <P>The science and technology of organic electronics have made consistent progress. However, the long-term stability of organic devices is a critical issue that remains to be resolved. Encapsulation is a straightforward and practical means to protect organic materials from oxygen or moisture and thus improve air stability. Here, we report a high-performance flexible inorganic SiN<SUB>x</SUB>/SiO<SUB>x</SUB>N<SUB>y</SUB> hybrid barrier film for application in organic solar cells (OSCs). This hybrid barrier film shows average transmittance of 85.5% and a water-vapor transmission rate of 7.1×10<SUP>–5</SUP> gm<SUP>−2</SUP> day<SUP>−1</SUP>. In OSCs comprising poly[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-bA]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl] thieno[3,4-b]-thiophenediyl] (PTB7) and [6,6]-phenyl-C<SUB>70</SUB>-butyric acid methyl ester (PC<SUB>70</SUB>BM), which were encapsulated by the SiN<SUB>x</SUB>/SiO<SUB>x</SUB>N<SUB>y</SUB> hybrid barrier film, the power-conversion efficiency remained above 86% of the initial value even after 2000h of storage in air, which is comparable to that obtained for a device encapsulated by a glass lid.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A inorganic SiN<SUB>x</SUB>/SiO<SUB>x</SUB>N<SUB>y</SUB> hybrid barrier film prepared on a flexible substrate. </LI> <LI> The SiN<SUB>x</SUB>/SiO<SUB>x</SUB>N<SUB>y</SUB> hybrid barrier film shows WVTR of 7.1×10<SUP>-5</SUP> g m<SUP>-2</SUP> day<SUP>-1</SUP>. </LI> <LI> The PCE of encapsulated OSCs remained 86% of initial efficiency even after 2000 h. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>The high performance flexible inorganic SiN<SUB>x</SUB>/SiO<SUB>x</SUB>N<SUB>y</SUB> hybrid barrier film is proposed for application in organic solar cells (OSCs), which shows average transmittance of 85.5% and WVTR value of 7.1×10<SUP>−5</SUP> gm<SUP>−2</SUP> day<SUP>−1</SUP>. In PTB7:PC<SUB>70</SUB>BM OSCs encapsulated by the SiN<SUB>x</SUB>/SiO<SUB>x</SUB>N<SUB>y</SUB> hybrid barrier film, PCE reamins above 86% of the initial value even after 2000h storage in ambient air, comparable to that obtained for a device encapsulated by a glass lid.</P> <P>[DISPLAY OMISSION]</P>