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양현주(HYUNJOO YANG),강민구(MINKOO KANG),김민경(MIN GYUNG KIM),고광혁(KANGHYOCK KOH) 한국재정학회(구 한국재정·공공경제학회) 2018 한국재정학회 학술대회 논문집 Vol.2018 No.-
I. Introduction II. Background and Data III. Results IV. Conclusion
양현주(Hyunjoo Yang),박세진(Sejin Park) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
In this paper, we implemented a blockchain-based serverless chat service by pointing out the problems of the messenger service operated in the existing central server. The proposed application was developed using WebRTC technology in the Flutter environment, and the performance of the existing central server messenger and the proposed service was measured and analyzed. Blockchain adopted Ethereum to build a private network. The average transmission/reception time was measured for each data size, and the existing central server messenger was 111.65 ms ~ 191.75 ms, and the proposed messenger was 20.85 ms ~ 26.20 ms. In the case of the proposed messenger, it may be slightly delayed until the start of chatting due to the operation process of the block chain. However, in terms of data transmission and reception, the proposed application shows about 5 times more performance than the comparative messenger because it exchanges data quickly between peers through P2P connection.
노인환자의 수술 후 섬망에 대한 회복실 간호사의 간호수행과 영향요인
구현주(Koo, Hyunjoo),양진향(Yang, Jinhyang) 한국간호교육학회 2016 한국간호교육학회지 Vol.22 No.3
Purpose: The purpose of this study was to identify factors associated with performance of nursing care for postoperative delirium of elderly patients among recovery room nurses. Methods: The research was a cross-sectional, descriptive design using questionnaires. The participants were 99 nurses from five urban recovery rooms. Data were analyzed using descriptive statistics, t-test, ANOVA and multiple regression with SPSS WIN 21.0. Results: The performance level of delirium nursing care was low because its mean score was 3.80 out of 5. Performance of nursing care was significantly positively correlated with the importance of nursing care and self-efficacy. Stepwise multiple regression analysis for performance of nursing care revealed that the most powerful predictor was the importance of nursing care. The importance of nursing care and self-efficacy explained 32.3% of the variance. Conclusion: The results indicate a need to enhance the performance of nursing care for postoperative delirium of elderly patients among recovery room nurses. The findings also suggest that consideration be given to strategies for improving the importance of nursing care and self-efficacy in developing programs to enhance the performance level of nursing care for elderly patients with postoperative delirium.