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교수자 관점의 비대면 강의 지속사용의도에 영향을 미치는 요인에 관한 연구
이기조,박찬석,안용준,한경석 한국IT정책경영학회 2020 한국IT정책경영학회 논문지 Vol.12 No.5
This study aims to empirically examine the factors that affect the intent of continuous use of non-face-to-face lectures from the perspective of professors. We are going to review prior research on non-face-to-face learning, lecture system, and individual characteristics of the professor, and examine the impact on the intention of continuous use by utilizing the integrated technology acceptance model. These studies are intended to solve the difficulties of professors in preparing for non-face-to-face lectures and help in the direction of improvement in the system.
Helicobacter pylori 제균 치료 이후 소실된 Russell 소체 위염 1예
이기조,임원,김광하,장예수,이재형,송근암 대한상부위장관ㆍ헬리코박터학회 2017 Korean Journal of Helicobacter Upper Gastrointesti Vol.17 No.2
A rare gastric mucosal lesion characterized by Russell body-containing plasma cell infiltration is termed as Russell body gastritis. This lesion is highly suggested to be correlated with Helicobacter pylori-induced chronic gastritis, and often misdiagnosed as mucosa-associated lymphoid tissue lymphoma, signet ring cell carcinoma, plasmacytoma, or xanthoma. However, Russell body gastritisis easily discriminated by its polyclonal immunoreaction to immunoglobulin light chains contrary to monoclonal immunoreactionof neoplastic disease. We report here a case of Russell body gastritis associated with H. pylori infection, which disappeared after H. pylori eradication
H형강과 구조용집성재로 구성된 합성 목구조 접합부 개발
이기조,오재열,김순철,양일승,안형순 한국복합신소재구조학회 2018 복합신소재구조학회논문집 Vol.9 No.3
최근 친환경에 대한 관심의 증가로 목조주택에 대한 수요가 증가하고 있다. 하지만, 목구조의 물성치에 대한 연구와 설계에 대한 지침 및 시공상세는 매우 부족하고 이에 대한 연구도 미흡하여 실무자들이 구조설계 및 시공을 하는데 많은 어려움을 겪고 있다. 특히, 내진성능이 중요시 되고 있는 현시점에서 내진성능을 확보할 수 있는 접합부의 개발이 요구된다. 따라서, 이 연구에서는 다른등급구성집성재에 대한 휨실험과 압축실험을 수행하여 재료의 물성치에 대한 소재시험을 진행하였다. 제안된 접합부의 구조성능을 검증하기 위하여 접합부에 반복하중을 가력하는 실험을 수행하였다. 또한, 진행한 재료시험의 결과를 사용하여 접합부에 대하여 유한요소해석을 진행하였다. 실험 및 해석결과 개발된 접합부는 충분한 구조성능을 확보할 수 있을 것으로 판단된다. Recently, the demand for wooden houses has increased due to the growing interest in the eco-friendly. However, there is very lack of property for wooden material for structure on research and guidance and construction details for design. In particular, demands for the development of wood structures joints to ensure seismic performance are increasing. Therefore, in this study material tests of structural glued laminated timber with other grade components were conducted and the composite joint securing seismic performance with highly constructability was developed. To evaluate the performance of the developed composite joints, an experimental study was performed on the joints under cyclic loads. Further, based on the results of the material test, the detailed finite element analysis of the joint was performed to predict the behavior of the joint. Based on the results of experiments and analysis, it is deemed that the structural performance can be obtained by the developed composite joint.