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김일경,정민철,유승일,채승기,김우승,남기흠,Kim, Il-Gyeong,Jeong, Min-Cheol,Yu, Seung-Il,Chae, Seung-Gi,Kim, U-Seung,Nam, Gi-Heum 대한기계학회 1998 大韓機械學會論文集B Vol.22 No.5
In the LPCVD reactor the temperature variations within the wafer load are the most important factor to maintain the thickness of the materials deposited on the surface of the wafer constant and to affect the deformation of each wafer. In this study the temporal variations of radial and axial temperature nonuniformities of each wafer in the LPCVD reactor are numerically estimated by assuming diffuse reflection. To verify the validity of the present numerical results, the present results obtained from the transient analysis are compared with those of Badgwell's work in which a steady-state condition was assumed. The main objective of this work is to determine the temporal variations of the temperature of each wafer in the LPCVD process since the wafers experience severe change in temperature in the early stage of the process.
Chae Seung-Hun,Min Sung Gi,Moon Hyeon-Woo,Jung Young Bae,Park Sung Hee,Seo Hye-Young,구강모 한국원예학회 2024 Horticulture, Environment, and Biotechnology Vol.65 No.1
Kimchi cabbage is a cool-season plant, but it is grown year-round to meet the high demand for kimchi production. Understanding the plant’s seasonal characteristics is crucial for ensuring consistent quality. However, kimchi cabbages are grown in diverse locations with varied growing conditions and soil types, which creates an obstacle for producing uniform kimchi. To address this issue, we conducted research on sensorial-related metabolites and glucosinolates to char acterize kimchi cabbages from four seasons in the Republic of Korea. Our fi ndings revealed that fall and winter-grown kimchi cabbages had higher levels of compatible solutes (proline and sucrose) compared to those from spring and sum mer. These diff erences are likely due to low temperatures after the heading stage and freezing soil that induces drought stress. Additionally, extensive pest damage in the spring and summer increased the bitterness of kimchi cabbage, which may be attributed to neoglucobrassicin. These kimchi cabbage characteristics were confi rmed with fi ve cultivars grown in Naju, Jeollanam Province, for the spring and fall seasons. Our study suggests that kimchi cabbages grown in spring and summer have similar metabolite levels and increasing temperature regimes, a trend also found in fall/winter-grown kimchi cabbages. This study is the fi rst attempt to characterize kimchi cabbage attributes grown during four diff erent seasons.
Smart City with ICBM Technology Convergence Disaster Safety
Chae Gi ln,Myeong Seung hwan 한국정책분석평가학회 2016 한국정책분석평가학회 학술대회발표논문집 Vol.2016 No.2
Smart City Initiative for ICBM Technology, Innovation and Entrepreneurship have an important role to play in shaping the future of cities.ICBM technology convergence to help people and organizations bring great ideas to safety life. With the aim of being helpful to the technological innovation activities to improve competitiveness, This paper designs a ICBM technological smart city model to seek for the scheme to enhance the dominant city around the world city place.The City framework analysis was conducted by applying the CATAPULT analysis model and identified the role of city governments for enhancing the level of innovation and entrepreneurship.The demonstration of the ICBM technology convergence Disaster Safety & Smart City of the Gimpo City model in this study was made in several phases. The main goal of project 'SmartopiaGimpo' is constructing smart and safe city with various cutting-edge ICT technologies so that citizen actively participates in improving local society that is in tune with technology and culture. Gimpo is developing not only Smartopia Center and Integrated Safety Big-data Service Platform, the infrastructure for city management system but also Smart town platform, a new-governance system that citizen and local government can positively collaborate together, to solve efficiently the complex and difficult social issues have not been experienced before with balanced cooperation between civil society and city government.
Intravesical bacillus Calmette–Guérin-induced myopathy presenting as rhabdomyolysis: a case report
Chae Hun Lee,Byeong Joo Choi,Jung Hun Kim,Tae Woong Yang,Gi Jeong Kim,Ha Young Shin,Se Hoon Kim,Seung Woo Kim 영남대학교 의과대학 2023 Yeungnam University Journal of Medicine Vol.40 No.4
Intravesical bacillus Calmette–Guérin (BCG) instillation is an adjuvant treatment for non–muscle-invasive urinary bladder cancer. Although most complications associated with BCG immunotherapy are mild and self-limiting, rare albeit serious complications have been reported. Only a few cases of BCG-related rhabdomyolysis have been reported. In this study, we present the case of a 72-year-old woman who developed severe weakness and hyperCKemia following intravesical BCG instillation. A muscle biopsy was performed, and a diagnosis of drug-induced myopathy was made.
Investigation of phase separated polyimide blend films containing boron nitride using FTIR imaging
Chae, Boknam,Hong, Deok Gi,Jung, Young Mee,Won, Jong Chan,Lee, Seung Woo Elsevier 2018 Spectrochimica acta. Part A, Molecular and biomole Vol.195 No.-
<P><B>Abstract</B></P> <P>Immiscible aromatic polyimide (PI) blend films and a PI blend film incorporated with thermally conductive boron nitride (BN) were prepared, and their phase separation behaviors were examined by optical microscopy and FTIR imaging. The 2,2′-bis(trifluoromethyl)benzidine (TFMB)-containing and 4,4′-thiodianiline (TDA)-containing aromatic PI blend films and a PI blend/BN composite film show two clearly separated regions; one region is the TFMB-rich phase, and the other region is the TDA-rich phase. The introduction of BN induces morphological changes in the immiscible aromatic PI blend film without altering the composition of either domain. In particular, the BN is selectively incorporated into the TDA-rich phase in this study.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Phase separation behaviors of a PI blend film containing BN were investigated by FTIR imaging. </LI> <LI> The TFMB- and TDA-containing aromatic PI blend films and a PI blend/BN composite film show the clearly separated regions. </LI> <LI> Introduction of BN induces morphological changes in the PI blend film without altering the composition of either domain. </LI> </UL> </P> <P><B>Graphical Abstract</B></P> <P>[DISPLAY OMISSION]</P>