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선원직업의식이 자기효능감과 집단응집성 그리고 직무태도에 미치는 영향
박은상,황추용,조동영,신용존 한국국제상학회 2018 國際商學 Vol.33 No.2
Purpose : The purpose of this paper is to analyse the impact of individual crew’s job consciousness on self-efficacy(individual level), group cohesiveness (group level), organizational commitment, and job satisfaction. Research design, data, methodology : This study set up hypotheses regarding the relationship among the job consciousness of crew, crew’s self-efficacy, group cohesiveness, organizational commitment, and job satisfaction in the ship organization. Those hypotheses were verified by regression analysis based on the 1,975 collected data through the survey of crew. Results : The result of verifying hypotheses showed that professional consciousness of crew had statistically significant positive influence on crew’s self-efficacy, ship organization’s group cohesiveness, organizational commitment and job satisfaction of crew. Also, crew’s self-efficacy and group cohesiveness of the ship organizations had impact on organizational commitment and job satisfaction of crew. Furthermore, the mediating effect of self-efficacy of crew and group cohesiveness of the ship organizations revealed between the crew’s professional consciousness and organizational commitment and job satisfaction. Conclusions : It is necessary to emphasize job consciousness of crew to generate excellent qualifications, attitude, and competence on the crewmen. The enhancement of crew’s job consciousness will contribute to improve and maintain maritime competitiveness of Korean shipping industry. 본 연구는 선원 개인이 지각하는 직업의식 수준이 자기 효능감과 조직몰입도 및 직무만족도에 미치는 영향과 선박 조직 단위로 승선하고 있는 선원의 직업의식 수준이 선박조직의 집단 응집성과 구성원의 조직몰입도와 직무만족도에 미치는 영향을 실증 연구하였다. 실증분석 결과, 선원직업의식이 선원의 자기효능감과 집단응집성에 통계적으로 유의한 정(+)의 영향을 미치며, 선박조직의 조직몰입도와 직무만족에도 유의한 정(+)의 영향을 미치는것으로 나타났다. 또한 선원의 자기효능감과 선박조직의 집단응집성은 선원의 조직몰입도와직무만족에 유의한 정(+)의 영향을 미치며, 선원직업의식과 조직몰입도 및 직무만족 사이에부분매개효과를 나타내었다. 이와 같이 선원들이 자신의 직업에 대해 가지는 가치와 신념 체계인 직업의식은 선원의직무수행 능력과 동료관계, 직무태도에 영향을 미치게 되므로, 해운기업들은 선원 직업의식앙양을 통해 조직의 안정과 성과 향상을 달성할 수 있을 것이다.
박은상,민병철,구현철,김경환,이경진 한국물리학회 2019 Current Applied Physics Vol.19 No.12
Based on a spin drift-diffusion model, we theoretically investigate the spin-orbit torque in ferromagnet/normal metal/insulator trilayers with considering the Rashba interfacial spin-orbit coupling at the normal metal/insulator interface. We find that the spin-orbit torque shows the opposite normal-metal-thickness dependences for the bulk spin-orbit coupling effect in the normal metal layer and for the interfacial spin-orbit coupling effect at the normal metal/insulator interface, offering a way to disentangle these two spin-orbit coupling effects. Moreover, we show that the conventional interpretation based on the bulk spin-orbit coupling effect overestimates the spin Hall angle and underestimates the spin diffusion length of the normal metal layer, when the interfacial contribution is non-negligible. Our result, a concise analytic expression of the spin-orbit torque considering both bulk and interface spin-orbit coupling effects, will be useful to design and interpret experiments on spin-orbit torque experiments in ferromagnet/normal metal/insulator trilayers.
박은상,민병철,구현철,김경완,이경진 한국물리학회 2021 Current Applied Physics Vol.29 No.-
Spin-orbit torques (SOTs) have been investigated most widely in normal metal/ferromagnet bilayers where the spin Hall effect of normal metal is a main source of spin currents. Recently, ferromagnets are found to also serve as spin-current sources through spin-orbit coupling. In this work, we theoretically investigate SOT acting on ferromagnet2 in ferromagnet1/normal metal/ferromagnet2 trilayers, which is caused by the spin Hall and spin swapping effects of ferromagnet1. Our result provides an analytical expression of SOT in the trilayers, which may be useful for quantifying the spin Hall and spin swapping effects of ferromagnets and also for designing and interpreting SOT experiments where a ferromagnet is used as a spin-current source instead of a normal metal.
늑골골절의 한의학적 치료에 대한 최신 연구동향: China National Knowledge Infrastructure (CNKI), PubMed를 중심으로
박은상,황현호,박기현,김호걸,임지성,강준혁,Park, Eun Sang,Hwang, Hyeon Ho,Park, Ki Hyun,Kim, Ho Geol,Im, Ji Sung,Kang, Jun Hyuk 한방재활의학과학회 2022 한방재활의학과학회지 Vol.32 No.4
Objectives The purpose of this study is to identify the latest research trends regarding the nonsurgical treatment of rib fractures and suggest the direction for future research. Methods We searched for papers published from January 1, 2015 to July 1, 2022 in PubMed and the China National Knowledge Infrastructure (CNKI) based on keywords 'rib fracture'. 'Korean medicine', 'oriental medicine', 'TCM', 'moxibustion', 'acupunture', 'cupping', 'electroacupuncture', 'pharmacopuncture', 'fire needling'. Results A total of 79 studies were searched at first research. Then the studies were screening according to criteria and Finally 20 studies were selected. The oriental medical interventions analyzed in this study were fumigation method, herbal medicine, external application, acupuncture, ointment, herb fomentation, Tending Diancibo Pu far-infrared therapy. Conclusions Various oriental medical interventions such as herbal medicine, acupuncture, fumigation, herb fomentation, ointment, and physical therapy are being studied abroad for the treatment of rib fractures. It is considered that additional research related to the nonsurgical treatment for rib fractures is needed in the future in korea.
대퇴골두 무혈성 괴사의 한의학적 치료에 대한 국내⋅외 연구동향 분석
박은상,황현호,박기현,배준효,구지은,황규현,강준혁 한방재활의학과학회 2023 한방재활의학과학회지 Vol.33 No.1
Objectives This paper is an analysis of domestic and foreign trends for the Korean medical treatment of avascular necrosis of the femoral head. Methods Domestic and foreign databases were searched and analyzed for Korean medical treatment interventions, research types, and treatment effects for avascular necrosis of the femoral head. Results There were 10 case reports in Korea, 2 case reports and 3 randomized controlled studies abroad. A total of 12 treatment interventions were used, and the types include acupuncture, herbal medicine, phamacopunture, electroacupuncture, cupping, physical therapy, chuna, acupotomy, moxibustion, warm acupuncture, laser acupuncture, and motion style treatment. As for the evaluation index, visual analogue scale, range of motion and harris hip score were the most common with 7 cases each. Conclusions Through this study, it was possible to understand the trends of domestic and foreign research on the treatment of avascular necrosis of the femoral head with Korean medicine. However, due to the small number of literature and no randomized control studies in Korea, treatment evidence is insufficient. It is considered that further research is needed in the future. (J Korean Med Rehabil 2023;33(1):47-59)