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Bil, Johan,Moens, Luc,Buerman, Thomas World Technopolis Association 2015 World Technopolis Review Vol.4 No.2
Using the case of the Ghent University and its Technology Park, we will illustrate how changing policies and practices at the level of the university concerning research valorization have an impact on our science park. We will also demonstrate how the evolving nature of our science park has a clear impact on the university, as the science park becomes more and more an integral part of the university knowledge eco-system. We will also highlight the involvement of Ghent University in the Korea Songdo Global University Campus Project.
Study of anisotropic crystal and electrical properties for semipolar (11-22) GaN grown on m-sapphire
Na-Bil-Re Kan 한양대학교 세라믹연구소 2012 Journal of Ceramic Processing Research Vol.13 No.S1
We studied the anisotropic properties of semipolar (11-22) GaN thin film grown on m-plane sapphire substrate using a metalorganic chemical vapor deposition. Among many growth parameters, it was found that anisotropic crystal qualities and surface morphologies were significantly affected by growth pressure, growth temperature and NH3 flow. The X-ray rocking measurements with different incident beam directions shows that anisotropic crystal properties of semipolar GaN, observed by two directions of [11-2-3] and [1-100], were improved by high temperature, high growth pressure and low NH3 flow. In addition, anisotropic surface morphology was significantly improved by low growth temperature and low growth pressure. Particularly, low NH3 flow would drastically reduce anisotropic crystal properties without changing anisotropic surface morphology. From I-V measurements for semipolar GaN with two different NH3 flows, the resistance difference with two directions of [11-23] and [1-100] was decreased by reducing anisotropic crystal properties. Therefore, we believed that low NH3 flow was one of major growth parameters to reduce anisotropic crystal and electrical properties of semipolar (11-22) GaN template.
Comparative Advantage in Cyclical Unemployment
Mark Bils,Yongsung Chang,Sun-Bin Kim 한국계량경제학회 2007 한국계량경제학회 학술대회 논문집 Vol.2007 No.2
We introduce worker differences in labor supply, reflecting differences in skills and assets, into a model of separations, matching, and unemployment over the business cycle. Separating from employment when unemployment duration is long is particularly costly for workers with high labor supply (low reservation wages). This predicts that workers with low labor supply will sort into the unemployment pool during recessions. This lowers the value of vacancies during recessions–low labor supply workers generate lower rents to employers– and exacerbates the cyclicality of vacancies and unemployment. We examine employment separations and wage cyclicality over the past twenty years for workers in the Survey of Income and Program Participation (SIPP). Separations are noticeably more countercyclical for workers who tend to work less. This pattern is mirrored in wage cyclicality; wages are less procyclical for those who work less.
Johan Bil,Luc Moens,Thomas Buerman 세계과학도시연합 2015 World Technopolis Review Vol.4 No.2
Using the case of the Ghent University and its Technology Park, we will illustrate how changing policies and practices at the level of the university concerning research valorization have an impact on our science park. We will also demonstrate how the evolving nature of our science park has a clear impact on the university, as the science park becomes more and more an integral part of the university knowledge eco-system. We will also highlight the involvement of Ghent University in the Korea Songdo Global University Campus Project.
Heterogeneity and Cyclical Unemployment
Mark Bils,Yongsung Chang,Sun-Bin Kim 한국계량경제학회 2008 한국계량경제학회 학술대회 논문집 Vol.2009 No.-
We model worker heterogeneity in the rents from being employed in a DiamondMortensen-Pissarides model of matching and unemployment. We show that heterogeneity, reflecting differences in match quality and worker assets, reduces the extent of fluctuations in separations and unemployment. We find that the model faces a tradeoff–it cannot produce both realistic dispersion in wages across workers and realistic cyclical fluctuations in unemployment.
Burm, Jin Bil Korean College Of Clinical Pharmacy 2001 한국임상약학회지 Vol.11 No.2
Paclitaxel과 vancomycin을 $5\%$ 포도당주사액, $0.9\%$ 염화나트륨주사액 또는 하트만용액과 함께 Y-Site 장치를 써서 환자에게 주입할 때 두 약물의 안정성에 관하며 면구하였다. Paclitaxel 0.3 mg/ml 및 1.2 mg/ml과 vancomycin 1 mg/ml, 5 mg/ml 및 10 mg/ml을 각각 1 : 1로 혼합한 후 0, 1, 2, 4, 12시간 시점에서 두 약물의 농도를 HPLC로 분석하였다, 방해물질에 의한 분석오차를 줄이기 위해 분석법을 여러상태에서 확인하였으며 각 농도에서 3차례씩 실험하였고 각 샘플은 반복하여 HPLC로 분석하였다. 분석전에 각 시료의 투명도, 색의 변화, 침전상태 및 pH를 검사하였다. Paclitaxel 0.3 mg/ml 및 1.2 mg/ml와 vancomycin 1 mg/ml, 5 mg/ml 및 10 mg/mt를 각각 혼합하였을 때 12시간 동안 안정하였으며 주사액의 혼탁이나 색의 변화 및 침전은 나타나지 않았으며 pH도 변하지 않았다.
The Australian Aerospace Industry
Professor Cees Bil 한국항공우주학회 2008 한국항공우주학회 학술발표회 논문집 Vol.- No.-
The Australian aerospace industry is a competitive and technically sophisticated supplier to both domestic and overseas markets across a wide range of aerospace activities. The industry operates in both the civil and defence aerospace markets and is a mixture of domestic companies, Australian subsidiaries of international companies and supporting niche industries. Activities include aircraft component manufacturing, for civil and military aircraft including helicopters, aircraft repair and maintenance, light aircraft manufacturing, system design and development, aviation training and air traffic management products.