• 한국보건간호학회지
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• 제33권3호
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• pp.379-389
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• 2019

Purpose: The study investigated the factors associated with compassion satisfaction of nurses in long-term care hospitals with a focus on the culture of patient safety. Methods: This study was conducted using a descriptive survey. The participants were nurses in 1 metropolitan city and 2 other cities (N=164). The data was collected in October, 2018 and analyzed using the SPSS Win 25.0 program. Results: The factors associated with compassion satisfaction were job satisfaction, work attitude, management practice, leadership of the managers of patient safety culture, and clinical career (F=21.66, p<.001). These variables explained 49.3% of the variance in compassion satisfaction of long-term care hospital nurses. Conclusion: These results highlight the importance of long-term care hospital nurses' compassion satisfaction and can be used as meaningful data for intervention to promote a culture of patient safety, and nurses' job satisfaction.

• 가정간호학회지
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• 제23권2호
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• pp.155-165
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• 2016

Purpose: The purpose of this study was to investigate factors influencing health workers' infection management behavior in long-term care facilities. Methods: A descriptive cross-sectional survey was conducted with 180 health workers who are employed in long-term care facilities. The data were collected from April, 25 until July, in 2016. Results: Infection management behavior positively correlated with the perceived importance of infection management (r=.77, p<.001), but role conflict negatively correlated with infection management behavior (r=.28, p<.001). The hierarchical regression model with general characteristics (first step) and perceived importance of infection management, work environment, and role conflict (second step) against infection management behavior was statistically significant (F=31.93, p<.001). This model could explain 62.8% of infection management behavior ($R^2=.62$, ${\Delta}R^2=.39$). Particularly, perceived importance of infection management was identified as factors influencing infection management behavior(${\beta}=.70$, p<.001). Conclusion: The findings of this study imply that systemic education about infection control and monitoring should be considered, so as to encourage proper infection management behaviors among health workers in long-term care facilities.

• 대한전기학회논문지:전력기술부문A
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• 제54권1호
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• pp.38-42
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• 2005

Restructuring of the electric power industry has brought the issue of market competitiveness to surface. Recent years have witnessed the appearance of a particular seller or group of sellers exercising market power in electricity supply. In fact, much scholarly work has been done on how to identify and mitigate such abuse by market management rules. In this paper we assess the possible market power on the basis of pivotal supplier test and propose the method to determine the reasonable quantity of long-term contracts which can play a crucial role in mitigating the market power for a pivotal player. Furthermore the market efficiency is guaranteed by making long term contracts with a pivotal player up to the quantity to ensure that the pivotal player has no incentive to abuse the pivotal quantity in the electricity market.

• Journal of Hospice and Palliative Care
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• 제24권1호
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• pp.26-35
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• 2021

Purpose: The purpose of this study was to determine the effects of awareness of good death and end-of-life care attitudes on end-of-life care performance in long-term care hospital nurses. Methods: This study used a cross-sectional study design. The participants were 147 nurses working at six long-term care hospitals with more than 200 beds in B city, South Korea. Data were collected using self-reported questionnaires, and analyzed with descriptive statistics, the t-test, analysis of variance, Pearson correlation coefficients, and multiple stepwise regression analysis using IBM/SPSS 26.0 for Windows. Results: The participants' awareness of good death, end-of-life care attitudes, and end-of-life care performance were positively correlated. The factors affecting end-of-life care performance were age, education level, awareness of good death, and end-of-life care attitudes; these variables explained 19.0% of end-of-life care performance. Conclusion: In order to improve long term care hospital nurses' end-of-life care performance, continuing education and training should be provided regarding awareness of good death and end-of-life care attitudes.

• 한국전기전자재료학회논문지
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• 제23권6호
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• pp.491-496
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• 2010

The relaxation behavior of aligned electric dipoles in a mixed polymer of P2ANS with P(VDF-TrFE) is studied with optical second harmonic generation (SHG). In this work, a macroscopic noncentrosymmetry of the spin coated film was achieved by an electrical poling. The relaxation of induced polar order of nonlinear optic(NLO) chromophores after poling leads to an insufficient long-term stability of NLO properties. In this work, we develop a new technique to suppress such kind of dipole relaxation in a poled polymer. We found that the poled dipoles in a NLO polymer were effectively immobilized by the internal electric field created by a thermally annealed ferroelectric polymer. The long-term stability in a mixed system of NLO polymer/ferroelectric polymer was successively accomplished by a series of thermal treatments applied to the mixed polymer system at a temperature of $140^{\circ}C$ for at least 1hour after poling.

• 한국산학기술학회논문지
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• 제20권12호
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• pp.200-211
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• 2019

본 연구는 피부미용 계약학과 학생의 직무 만족 및 이직 의도에 대한 요인을 분석하고 장기근속을 유도할 방안을 제시하는 데 그 목적이 있다. 이를 위해 피부미용 계약학과 학생 260명에 대한 설문조사 자료를 토대로 SPSS 통계 프로그램을 이용하여 빈도 분석과 다중 회귀분석을 실시하였다. 주요 결과는 다음과 같다. 첫째, 계약학과 학생들은 인턴십 기간 충분한 실무훈련을 통해 업무에 대한 자신감을 느끼고 본인의 포지션에서 직무수행의 권한위임을 받음으로써 직무만족도가 높았다. 둘째, 계약학과 학생들에게 직무 향상을 위한 정기적인 기술교육은 직무수행에 대한 자신감과 직업에 대한 확신을 주었고 이는 장기근속을 유도했다. 셋째, 계약학과 학생들에게 계약기간 업무능력에 따라 공정하게 성과급, 포상, 승진 기회 등 보상 제도를 적용해 업무능력 향상의 동기부여를 줌으로써 이직 의도를 줄였다. 이에 본 연구는 피부미용 계약학과 학생들에게 직무수행의 권한 위임, 직무수행에 대한 확신, 그리고 능력에 따른 보상 제도를 적용함으로써 직무 만족 및 이직률 감소와 장기근속까지 끌어낼 수 있음을 시사한다.

• 한국엔터테인먼트산업학회논문지
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• 제14권3호
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• pp.411-419
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• 2020

피부미용숍의 증가로 차별화된 경쟁우위를 확보하기 위해서는 고객의 욕구를 충족시켜 줄 수 있는 서비스품질 개발이 필요하다. 이에 본 연구는 피부미용숍을 이용하는 고객의 서비스품질이 호혜성지각과 장기적 관계지향에 미치는 관계를 알아봄으로써 피부미용숍 운영에 필요한 마케팅 기초자료를 제공하고자 시도되었다. 본 연구는 서울·경기도, 전라남·북도, 경상남·북도에 소재한 피부미용숍을 이용한 여성 고객 290명을 대상으로 직접방문 및 E-mail, 우편 등을 이용하여 설문조사하였고, 수집된 자료는 SPSS Ver. 18.0과 Amos Ver. 18.0 프로그램을 사용하여 분석하였다. 그 결과 본 연구에서 설정된 연구가설에 대한 이론적 모형에의 전반적인 적합도는 양호하다는 것이 증명되었고, 가설 1은 관리사 업무능력, 시설 및 위생, 관리제품은 호혜성 지각에 유의미한 정(+)의 영향을 주는 것으로 나타나 부분적으로 채택되었고, 가설 2는 관리사 업무능력, 관리제품, 기기 및 도구가 장기적 관계지향에 유의미한 정(+)의 영향을 주는 것으로 나타나 채택되었으며, 가설 3은 호혜성 지각은 장기적 관계지향에 유의미한 정(+)의 영향을 주는 것으로 나타나 채택되었다. 따라서 관리사의 업무능력, 시설 및 위생, 관리제품, 기기 및 도구는 고객에게 고마움을 느끼게 하거나 피부미용숍의 지속적 방문을 유도하기 위한 서비스 품질 요소라 할 수 있다.

• 한국노년학
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• 제30권4호
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• pp.1239-1261
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• 2010

본 연구는 장기간 노인(전문)병원 및 요양시설에서 생활하고 있는 뇌졸중 생존 노인들의 건강관련 삶의 질에 미치는 요인들이 무엇인지 규명함으로써 대상자들의 삶의 질 증진을 위한 사회복지 실천 방안들을 제언하고자 시행되었다. 연구 대상자는 충청지역 및 D 광역시 소재 노인(전문)병원 18곳과 요양시설 13곳에서 장기 입원(입소)하고 있는 55세 이상의 뇌졸중 생존 노인들이며 서베이 방법을 사용하여 직접면담조사를 실시하였다. 조사는 2008년 12월 16일부터 2009년 1월 17일까지 실시되었고, 총 328부의 설문지가 통계분석에 이용되었다. 연구결과 대상자들이 인지하고 있는 건강관련 삶의 질은 비교적 낮게 나타났고, 특히 건강관련 삶의 질을 구성하고 있는 하위 영역 중 사회적 관계 영역이 가장 낮게 나타났다. 투입된 독립변수들이 건강관련 삶의 질에 미치는 상대적 영향력은 '우울', '향후 경제적 부담감', '일상생활수행능력', '장애수용', '중복질환', '경제적 주부양자가 배우자인 경우'순으로 나타났다. 본 연구를 통해 장기재활 및 요양서비스를 이용하고 있는 뇌졸중 생존 노인들의 건강관련 삶의 질에 질병관련 요인뿐만 아니라 심리사회적 요인, 환경적 요인 모두 중요한 영향을 미치고 있다는 것이 규명되었고, 그 가운데서도 심리사회적 요인의 영향력이 제일 큰 것으로 밝혀졌다. 이를 바탕으로 노인의료복지시설에서 생활하고 있는 뇌졸중 생존 노인들의 삶의 질을 향상시키고 더 나아가 사회복지사들의 역량을 고취시킬 수 있는 사회복지 방안들이 논의되었다.

• Computers and Concrete
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• 제31권2호
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• pp.85-95
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• 2023

Natural pozzolans are used as additives in cement to develop more durable and high-performance concrete. Pozzolanic activity index (PAI) is important for assessing the performance of a pozzolan as a binding material and has an important effect on the compressive strength, permeability, and chemical durability of concrete mixtures. However, the determining of the 28 days (short term) and 90 days (long term) PAI of concrete mixtures is a time-consuming process. In this study, to reduce extensive experimental work, it is aimed to predict the short term and long term PAIs as a function of the chemical compositions of various natural pozzolans. For this purpose, the chemical compositions of various natural pozzolans from Central Anatolia were determined with X-ray fluorescence spectroscopy. The mortar samples were prepared with the natural pozzolans and then, the short term and the long term PAIs were calculated based on compressive strength method. The effect of the natural pozzolans' chemical compositions on the short term and the long term PAIs were evaluated and the PAIs were predicted by using multiple linear regression (MLR) and adaptive neuro-fuzzy inference system (ANFIS) model. The prediction model results show that both reactive SiO₂ and SiO₂+Al₂O₃+Fe₂O₃ contents are the most effective parameters on PAI. According to the performance of prediction models determined with metrics such as root mean squared error (RMSE) and coefficient of correlation (R²), ANFIS models are more feasible than the multiple regression model in predicting the 28 days and 90 days pozzolanic activity. Estimation of PAIs based on the chemical component of natural pozzolana with high-performance prediction models is going to make an important contribution to material engineering applications in terms of selection of favorable natural pozzolana and saving time from tedious test processes.

• 보건행정학회지
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• 제32권4호
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• pp.368-379
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• 2022

Background: This study aimed to establish a strategy to improve the poor working environment and working conditions among long-term healthcare workers in Korea. Methods: A total of 600 questionnaires with which long-term health care workers participated in the targeted base areas of each city and province nationwide were distributed directly and 525 responses were collected and 506 responses were analyzed. Surveys, on-site field visits, and in-depth interviews were also conducted to understand the working environment as well as conditions and establish a strategy for improving the working environment among long-term healthcare workers to understand the demands of working conditions and working conditions. Results: Korean long-term care workers firstly and mostly enumerated their risk factors for ill-health when lifting or moving elderly recipients directly by hand (69.9%), followed by increased physical workload with old beds, tools, and facilities (42.3%) in the workplaces, shortage of manpower (32%), and source of infection (30%). To improve the working environment as well as conditions, Korean long-term care workers considered improving low-wage structures, ergonomic improvements to solve excessive physical loads, and increasing various bonus payments as well as implementing the salary system, positive social awareness, and increasing resting time. Of 506 responses, 92.3% replied that the long-term care insurance system for the elderly should be developed to expand publicization at the national level. Conclusion: This study proposes to improve the low-wage structure of Korean long-term care workers, automation and improvement of facilities, equipment, and tools to eliminate excessive physical loads (beneficiary elderly lifting), and reduction of night labor.