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Should I Stay or Should I Go: The Impact of Public Duty Motivation on Turnover Intentions
전소희,로버슨 서울대학교행정대학원 2013 The Korean Journal of Policy Studies Vol.28 No.2
Despite the expansion of public service motivation (PSM) research in recent years, only a few studies have linked PSM with public employees’turnover, and they have typically understood turnover as a dichotomous decision of staying versus leaving. Unlike previous research, we explore the relationship by taking into account various exit options. Utilizing data from the 2005 Merit Principles Survey, we classify public employees’ exit strategies into four types—not leaving, retiring, moving to another federal agency, and resigning from federal service—and examine how an indirect measure of PSM influences which of these exit strategies they intend to follow. We employ the indirect measure due to data availability; following previous research, we name this measure public duty motivation. Our findings suggest that the impact of public duty motivation varies across intended exit strategies: it decreases the likelihood of public employees intending to retire, while it leads them to be more likely to intend to move to another job within the federal government. In contrast, it is not a significant predictor of public employees’ intention to resign from federal service.
전소희,백병주,김재곤,양연미 大韓小兒齒科學會 2005 大韓小兒齒科學會誌 Vol.32 No.1
형태학적으로 아주 유사한 상, 하악 제2유구치와 제1대구치의 교합면 형태를 분석하고자 정상교합의 유치열기 아동(Hellman dental age ⅡA) 100명(남자 50명, 여자 50명)과 영구치열기의 성인(Hellman dental age ⅣA) 86명(남자 43명, 여자 43명)을 대상으로 하였다. 상, 하악 제2유구치와 제1대구치의 상, 하악 석고모형의 3차원 형상 data로부터 각 교두정간 거리, 교두정을 최소한의 오차로 지나는 평면과 교합면사이의 체적, 평면에서 교두정간 까지의 방향별 Section curve를 구하여 다음과 같은 결론을 얻었다. 1. 형성된 표준평면과 각 교두정과의 거리에 관한 오차는 하악 제2유구치에서 남자 0.05-0.09mm, 여자 0.04-0.09mm로서 제일 작았다. 2. 각 교두정간의 거리는 하악 제2유구치와 제1대구치에서 남자가 크게 나타났다. 특히 제2 유구치에서는 유의성이 존재하였다(p<0.05). 3. 남녀 모두에서 사주 교두거리를 제외하고, 상악 제2유구치는 원심 협측교두와 설측교두 사이가, 하악 제2유구치는 원심교두와 원심 설측교두 사이가, 상악 제1대구치는 근심 설측교두와 협측교두 사이가, 하악 제1대구치는 원심 설측교두와 근심 설측교두 사이의 거리가 가장 크게 측정되었다. 4. 제2유구치와 제1대구치에 교합면 체적은 하악에서 크게 나타났고, 영구치가 1.40-1.75배 값을 보였으며(p<0.05), 남녀간에서는 남자가 큰 값을 보이긴 하였지만 통계적인 유의성이 없었다. 5. 대부분의 경우 유치열에서 보다 영구치열에서 section curve가 넓고 깊었으며 교두사이의 사선거리를 제외하고 상악의 경우 근심 협측과 설측교두 사이에서 유치열과 영구치열 모두에서 가장 깊은 section curve를 이루었으며 하악에서는 영구치열은 원심 협측과 원심교두사이 유치열은 원심 설측과 원심교두 사이에서 가장 깊은 section curve를 이루었다. The purpose of this study was to analyze the morphometrics of primary second molar and permanent first molar. Samples were consisted of normal occlusion in the primary dentition(50 males and 50 females) and permanent dentition(43 males and 43 females). Their upper and lower plaster casts were used and their measuring points wore decided, through 3-dimensional laser scanning(3D Scanner, DS4060, LDI, U.S.A.), fitting standard horizontal plane were made for measuring the intercuspal distance, volume of intercuspal area and section curve. The results were as follows; 1. Average distance from the fit plane to the cusp tips of mandibular primary second molar was smaller than any other tooth. (0.05-0.09 mm in male and 0.04-0.09 mm in female). 2. Intercuspal distances of mandibular primary second molar and permanent first molar were larger in male than in female. Especially, there was statistical significance in primary second molar(p<0.05). 3. Intercuspal distance between distobuccal and distolingual cusp was larger in maxillary primary second molar, except cross intercuspal distances. And distances between distal and distolingual cusp, in mandibular primary second molar, between mesiolingual and mesiobuccal cusp, in maxillary first molar, and between distolingual and mesiolingual cusp, in mandibular first molar were larger than any other intercuspal distance 4. Volume of intercuspal area of primary second molar and permanent first molar was larger in mandible than in maxilla and that of' permanent first molar was 1.40-1.75 times of primary second molar (p<0.05). Also it was larger in male than in female, but there was no statistical significance. 5. In most cases, section curves were wider and deeper in permanent dentition than in primary dentition. Except cross intercuspal distances, in maxilla, section curve between mesiobuccal and mesiolingual cusp was the deepest in both dentition. In mandible, section curve between distobuccal and distal cusp was the deepest in permanent dentition and between distolingual and distal cusp was the deepest in primary dentition.
전소희,김현,심봉섭 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
Conductive tissues in body consist of soft and flexible materials, but most artificial materials have rigid mechanical properties. For electrically conducting soft biomaterials, we developed an electroconductive material providing soft and stretchable with hierarchical structures. The membranes have hierarchically structured 3D network of conductive paths, providing softness as well as stretchable, anisotropic electrical conductivity. For applications in bioengineered devices, an implantable polycaprolactone (PCL) membrane was coated on single-walled carbon nanotubes (SWNTs) via layer-by-layer (LBL) assembly for electroconductivity. This electrical conductivity enhanced ionic cell transmission, electrical cell stimulation, and cell-to-cell interaction.
전소희,손유란,심봉섭 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
Thylakoids contain photosynthetic proteins and behave as soft nanoparticles. We extracted the thylakoid from spinach chloroplasts and organized them in a film with either insulating polyethyleneimine (PEI) or conducting polyaniline (PANI) by layer-by-layer (LBL) assembly. We could achieve the improved photoelectrochemical activities from the nanostructured composite films with stable charge balanced LBL multilayers compared to the randomly deposited films. The thylakoid LBL films continuously generated photochemical electrons for longer than 130h with the 2,6-dichlorophenolindophenol (DCPIP) mediated photosynthetic energy conversion cycle. Also, the cytocompatibility of the developed thylakoid LBL films was demonstrated by PC12 neural cell attachment and differentiation tests.