http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정흠,허기,고흥 학습자중심교과교육학회 2023 학습자중심교과교육연구 Vol.23 No.15
Objectives The purpose of this study was to investigate the impact of psychological capital on academic performance among Chinese university students. By examining the relationship between psychological capital and academic performance, we will understand the specific impact of psychological capital on students' academic performance. This study aims to provide insights for universities, students, and relevant stakeholders to develop effective interventions and policies to help students enhance their psychological capital, improve their academic performance, and promote overall development. Through this study, we try to contribute valuable empirical research evidence to the field of understanding the impact of psychological capital on academic performance among Chinese university students. Methods This study used SPSS 25.0 statistical software to analyze the relationship between psychological capital and academic performance in 475 university students using descriptive analysis, independent samples t-test, one-way ANOVA, Pearson correlation and regression analysis. Results There was variability in psychological capital and academic performance among university students on different demographic variables, and there was a significant positive correlation between the two, and university students' psychological capital was predictive of academic performance. Conclusions From the results, it is clear that university students' psychological capital is closely related to their academic performance. Universities should take appropriate measures to enhance the psychological capital of university students so as to promote academic performance.
실험적 안내염이 망막전이도 및 망막미세구조에 미치는 영향
鄭欽 계명대학교 醫科大學 病理學敎室同門會 1987 樂山 鄭在泓 敎授 頌喜 紀念論文集 Vol.S No.-
The endophthalmitis as a complication after intraocular surgery usually takes a tragic course, and its early diagnosis and proper management are urgently mandatory to preserve the vision and the eyeball. Furthermore, functional suppression of the retina can be anticipated in the early stage of endophthalmitis by the toxic effect of the substance produced by the growing organisms. Bacterial endophthalmitis was experimentally induced in the rabbit eyes by inoculating Staphylococcus aureus (1. 25 X 103 organism/0.05ml) intravitreally, and the sequential changes of electroretinogram (ERG) and retinal ultrastructure were correlated. The clinical signs of endophthalmitis firstly appeared 15 hours after inoculation with increasing severity thereafter. However, the amplitude of ERG, both a-and b-waves, began depression 3 hours after inoculation, reaching down to 45-56% of level of preoperative amplitude at 18 hours and totally flat 30 hours later. Ultrastructurally, the retinal pigment epithelium (RPE) was the only site of involvement by 18 hours, being manifested from 7 hours group by dilatation of smooth endoplasmic reticulum and mitochondrial swelling as well as detachment of ribosomal granules from rough endoplasmic reticulum, formation of myelin figures and fat droplets. Subsequent injuries beyond those in the RPE were extension of similiar changes to the inner segment of photoreceptor and to the outer nuclear layer 24 hours later. Based on the earlier demonstration of abnormality in the ERG rather than clinical sign or ultrastructural changes, especially with falling of its amplitude down to 50% or less of preoperative level after 18 hours, and reversibility of ultrastructural alterations of retina by the same period of time, it is assumed that an ear1y diagnosis by using ERG and prompt application of management before the amplitude .of ERG falls below 50% will give a beneficial effect on the bacterial endophthalmitis.