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성창환 서울장신대학교 출판부 2022 서울長神論壇 Vol.- No.30
The problem that the wave of modernization of Korean society has had on church education is very serious. one of the biggest reasons is the stubbornness of the conservative nature of the church orthodox faith according to change. in addition, the development of civilization that comes from social change makes all areas of life of church members flow to the material aspect rather than the pursuit of faith, which is the spiritual aspect. this is intensifying the problem of church education. and church education for adolescents was almost limited to Christian doctrine, creed, or recitation and delivery of church history. as a result, many teenagers attending church today have no choice but to wander due to their own concerns and conference conflicts without receiving specific guidance or education that can be a measure of ethical judgment amid rapidly changing social and cultural changes. Church education is Christian education, and the core of Christian education is faith. in the past and now, faith has been a firm purpose of education in church education. this is a part that most Christian educators acknowledge. in this respect, we know that the lack of faith is a problem in adolescents' lives and that it is urgent to lead them to more mature faith education. in addition, research on this is urgent as it has been found that even the direction of church education for youth guidance is shaking amid the rapidly changing social wave and confusion of youth values. the purpose of this study is to experience true faith by growing into a responsible being in community life as well as personal personality maturity of adolescents through efficient church education in rapidly changing times.
Longitudinal Decline of Striatal Subregional [18F]FP-CIT Uptake in Parkinson’s Disease
성창환,이재현,오정수,오민영,이상주,오승준,정선주,이종식,김재승 대한핵의학회 2017 핵의학 분자영상 Vol.51 No.4
Purpose Dopamine transporter imaging is suggested to be a useful imaging biomarker for Parkinson’s disease (PD) progression and monitoring drug effects.We investigated the longitudinal decline characteristics of striatal [18F]FP-CIT uptake in PD. Methods We retrospectively reviewed 35 PD patients and 9 non-PD patients. All patients underwent [18F]FP-CIT PET at the initial diagnosis and follow-up. PET images were spatially normalized and analyzed with eight striatal and one occipital VOI templates. We measured the specific to non-specific binding ratio (SNBR) of the striatal subregions and calculated the absolute annual reduction (AAR) and relative annual reduction (%RAR) of the SNBRs. Results Total striatal SNBRs in PD patients were significantly lower than those in non-PD patients, with the most significant difference in the posterior putamen. Both AAR (0.26 ± 0.14 vs. 0.09 ± 0.19, p < 0.05) and %RAR (6.9 ± 3.5 vs. 1.2 ± 2.7, p < 0.001) of total striatal SNBRs were significantly greater in PD than non-PD patients. There were no significant differences in the AAR and %RAR of total striatal SNBRs between elderly and young onset PD. The AARs of the posterior putamen were higher in early PD than in advanced PD. Conversely, the %RARs were not significantly different between early and more advanced PD. The disease duration was significantly negatively correlated with the AAR but not with the %RAR of the posterior putamen. Conclusions The longitudinal decline of striatal [18F]FP-CIT uptake in PD was nonlinear and significantly faster than that in non-PD, with a different rate of decline among the striatal subregions.
京·釜 高速道路의 交通特性에 關한 硏究 : 大邱∼永川間을 中心으로
成昌煥 영남이공대학 1980 論文集 Vol.9 No.-
A study of traffic flow at Kyung-pu expressway was conducted to determine the characteristics representative of this mode. The study focused to the traffic dencity and capacity volumes characteristic of expressway traffic. Traffic data were collected from a number of expressway locations operating by time image generator. A video recording procedure was used to record and subsequently retrieve information relative to the various events of interest. Statistical analysis of the data was conducted to establish the charasterics of critical dencity and jam dencity. The study was undertaken to address information defiencies recognized during efforts to estimate capacity. Last, an analysis of traffic capacity revealed that the estimate formula Corrosponds to lineal regression formula. The results of the study are presented and applicability of the findings discussed. This study are made for improving the procedures used and conducting futher investigations.