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정보기술수용모델(TAM)을 적용한 신용평가시스템의 실증적 연구 : On the Basis of TAM
최현호,박기남,이경구,김종원 대한경영학회 2003 大韓經營學會誌 Vol.16 No.5
Since International Monetary Fund (IMF), many Korean banks are using the Credit Risk Ratio System (CRRS) to systematically evaluate the borrower's credits. However, there are few research focusing on the key antecedents of successful CRRS utilization. Therefore, the purpose of this paper is to investigate the factors influencing individual intention to use and actual use of CRRS, and to analyze the relationships among those factors. Doing so, this study employs TAM (Technology Acceptance Model) proposed by Davis (1989) as a main framework. The results show that industry competition, diversity of customers' needs, organizational support, organizational experience, technical interchangeability, users' participation, and social norms make direct and/or indirect impacts on behavioral intention and actual use through perceived ease of use and perceived usefulness. The empirical findings from this study may prove useful for both IS researchers and practitioners.
Ni 치환에 따른 TiV-based 합금의 수소저장 특성
최원경,조태환,배장순 단국대학교 신소재기술연구소 2001 신소재 Vol.10 No.-
체심입방구조를 갖는 TiV_1.4합금의 V성분을 Ni금속으로 부분치환하여 얻은 TiV_0.9Ni_0.5 삼원계합금의 미세 구조와 조성변화를 조사하여 얻어진 branch 합금들의 수소저장 특성에 대하여 검토하였다. TiV_0.9Ni_0.5 합금은 BCC결정구조의 TiV_2.1Ni_0.3 고용체와 (FCC+BCC) 혼합결정구조를 갖는 TiV_0.2Ni_0.8의 금속간화합물로 구성된 multi phase합금이고 수소저장량은 H/M=1.69(P_Eq=0.5 Mpa)로 나타났다. TiV_0.9Ni_0.5 합금을 구성하는 주상조성으로 제조한 TiV_2.1Ni_0.3 고용체의 수소저장량은 H/M=1.99(P_Eq=0.5 MPa)로 상당히 많은 양의 수소를 저장하는 것이 확인되었으며, 고용체합금을 포함하지 않는 금속간화합물 TiV_0.2Ni_0.8의 수소저장량은 고용체나 고용체를 포함하는 합금보다 적은 것이 확인되었다. Hydrogen storage properties of branched alloy determined analysis of microstructure and composition variation for TiV_0.9Ni_0.5 alloy with BCC crystal structure obtained partial Ni substituted V of TiV_1.4 alloy was investigated. Multi phase TiV_0.9Ni_0.5 alloy was consisted TiV_2.1Ni_0.3 solid solution with BCC crystal structure and TiV_0.2Ni_0.8 intermetallics with complex (FCC+BCC) crystal structure and stored hydrogen concentration was H/M=1.69(E_Eq=0.5 MPa). Higher hydrogen storage capacity(H/M=1.99) for TiV_2.1Ni_0.3 solid solution prepared main phase composition of TiV_0.9Ni_0.5 alloy was identified and lower hydrogen storage capacity was observed for TiV_0.2Ni_0.8 intermetallics than solid solution or alloy with solid solution phase.
최연수,박일,죄희충,김원식,양태영,허경,안기완,정춘해 조선대학교 1993 The Medical Journal of Chosun University Vol.18 No.2
Histiocytic medullary reticulosis (HMR) is a malignant noeplastic process, with tumor cells belonging to the histiomonocytic line, and originally described by Scott and Robb-Smith in 1939 characterized by its acute onset, progression to death within a few months and its clinical features are fever, lymphadenopathy, hepatosplenomegaly, jaundice, and purpura common laboratory findings are characterized by severe anemia, leukopenia, thrombocytopenia and histologically by systemic progressive invasion of morphologically atypical histiocytes or of their precursor. 61 and 37-year-old males were admitted with camplaints of high fever and chilling sensation and were treated by cyclophosphamide, vincristine, prednison and antiobiotics, but patients all died 17 and 14 days after admission due to probably sepsis and respiratory failure.
CT사진을 이용한 한국인의 C형 치근관의 분포에 대한 연구
전록원,허경회,이원진,허민석,이삼선,최순철 대한구강악안면방사선학회 2009 Imaging Science in Dentistry Vol.39 No.2
Purpose : To investigate the incidence and prevalence of C-shaped root canal using computed tomographic images of head and neck in Korean population. Materials and Methods : Regardless of each examination purpose, randomly selected 268 examples which have serial axial computed tomographic images with 8 normal molars in maxilla and mandible were selected and investigated. Defined C-shaped root canal and we could get 82 proper image examples in view of this definition. These were detected and investigated of incidence and prevalence of C-shaped root canal. Results : C-shaped root canals were found in 82 examples among 268 (30.6%) and 147 teeth. They were only found on molar area, and the highest incidence was 37.41% of left mandibular second molars, and the lowest was 2.04%of right maxillary second molars. On prevalence of tooth position, mandibular second molar was the highest, 65% of C-shaped root canal teeth and maxillary second molar was 6% the lowest. Conclusion : 31% of randomly selected CT images no considering check-up reason have C-shaped root canals. The C-shaped root canals of mandibular second molar are found most frequently and they are also detectable on maxilla. On Korean population, C-shaped root canals are one of conditions that have to concern with dental treatment for it appears at a high prevalence relatively.
산소 결핍도 변화에 따른 YBa_2 Cu_3 O_7-y의 열기전력 변화
강원남,김용민,조경철,최무용 성균관대학교 기초과학연구소 1988 論文集 Vol.39 No.1
To clarify the superconducting mechanism of the high Tc oxide superconductors, we have studied the interactions among electrons and elementary excitations and the electronic energy band structure by measuring the thermoelectric power of YBa_2 Cu_3O_7-y with various oxygen deficiencies. We have found that the major charge carriers in YBa_2Cu_3O_7-y are holes, that the width of the electronic energy band is larger than the intial estimation, and that the interaction between electrons and phnonos in the material is not strong enough to explain the high Tc super conductivity, while we have seen an evidence that there exist strong interactions between electrons and magnetic excitations.
Laves상 ZrV_2계 수소저장합금 전극의 Ni 치환에 따른 열역학적 안정성에 관한 연구
조태환,최원경 단국대학교 2000 論文集 Vol.35 No.-
Thermodynamic properties of laves phase ZrV_2 were studied in terms of the equilibrium hydrogen pressure. ZrV_2 alloy with high equilibrium hydrogen pressures at room temperature, which is usually difficult to charge, was substituted with Ni partialy. Partial substitution of Ni made not only the equilibrium pressure to be reduced remarkably, but also the enthalpy change depending on the formation of metal hydride to be agreed to the value in gas phase reaction and electrochemical reaction.
Choi, Kyung Min,Lee, Seok Jae,Choi, Jung Hoon,Park, Tae Jung,Park, Jong Wan,Shin, Weon Ho,Kang, Jeung Ku Royal Society of Chemistry 2010 Chemical communications Vol.46 No.45
<P>A facile route to fabricate a protein-immobilized network pattern circuit for rapid and highly sensitive diagnosis was developed <I>via</I> the evaporation directed impromptu patterning method and selective avian influenza virus (AIV) immobilization. The response to the 10 fg mL<SUP>−1</SUP> anti-AI antibody demonstrates that this easy and simple circuit has about 1000 times higher sensitivity compared to those of conventional approaches.</P> <P>Graphic Abstract</P><P>A facile route to fabricate virus circuits was developed <I>via</I> the evaporation directed impromptu patterning method and selective virus immobilization. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c0cc03323e'> </P>
Choi, Kyung Min,Augustine, Saji,Choi, Jung Hoon,Lee, Ju Ho,Shin, Weon Ho,Yang, Seong Ho,Lee, Jeong Yong,Kang, Jeung Ku WILEY-VCH Verlag 2008 Angewandte Chemie Vol.47 No.51
<B>Graphic Abstract</B> <P>Wall Control: An innovative synthesis of nanotubes with precise control of the number of walls in nanotubes (see picture) makes use of exposed-core/shell structured catalyst nanoparticles, which are fabricated by consecutive plasma and chemical treatment processes after micelle patterning of metal particles. <img src='wiley_img/14337851-2008-47-51-ANIE200803311-content.gif' alt='wiley_img/14337851-2008-47-51-ANIE200803311-content'> </P>