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RISS 인기검색어
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- 저자 : Wolfgang, Christopher L. (검색결과 442 건)
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The New Normal Era and How to Survive It
( Dr. Wolfgang Eder ) 포스코경영연구원(구 포스코경영연구소) 2016 Asian Steel Watch Vol.1 No.-
<strong>Interview with worldsteel Chairman</strong> <p>Wolfgang Eder, 63, has been Chairman of the Management Board of voestalpine since 2004. Under his leadership, the Group almost tripled its revenue from around EUR 4 billion to more than EUR 11 billion and developed from a traditional European steel-producing company to a technology and capital goods group that operates globally and enjoys above average profitability.</p> <p>Mr.Eder took over the office of worldsteel Chairman for a second term in October 2015 ? the first time in the 50-year history of the organization that an incumbent Chairman was reelected. worldsteel is the second largest industry association worldwide, which has around 170 association members, representing 85% of global steel production. He was also President of the European Steel Association EUROFER from October 2009 to May 2014.</p> <p>Dr. Wolfgang Eder Chairman and CEO of voestalpine AG, Chairman of worldsteel</p>
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Zo¨llner, Wolfgang 忠南大學校 法學硏究所 1990 法學硏究 Vol.1 No.1
역자주:상법을 기업법으로 파악하는 것이 우리나라 상법학계의 경향이다. 그러나 "기업"은 상법전에서 사용하는 용어가 아니며 또한 그 개념이 분명하지 아니하여서 상버의 연결점을 "기업"으로 할 것인가 하는 법정책적 문제에 대한 검토가 필요하다고 생각한다. 이 글은 서독 Tu¨bingen 대학교의 Wolfgang Zo¨llner교수가 ZGR 1983, 82-91면에 게재한 논문 "Wovon handelt das Handelsrecht?"를 번역한 것이다. 상법을 기업법으로 파악하는 것이 현행법상 허용되지 아니하며 한편 장래의 입법이라는 관점에서는 어떤 문제가 있는 가에 대하여 상세하게 논술되어 있어서 동일한 문제가 제기될 수 있는 우리나라에서도 참고할 수 있는 좋은 자료라고 생각한다. 이 논문의 번역을 허락하여 주신 Zo¨llner교수께 감사드린다. 또한 이 글은 "한독법학"제 8호에 게재 예정되어 있다.
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Surgical access via right thoracotomy facilitates tricuspid valve surgery in sheep
Wolfgang Bothe,Mahmoud Diab,Romanus Ostermann,Michael Schwarzer,Luisa Woelfel,Sabine Bischoff,Harald Schubert,Torsten Doenst 대한수의학회 2017 Journal of Veterinary Science Vol.18 No.1
In quadrupeds, the three-dimensional orientation of the heart with respect to the thorax is fundamentally different from that in humans. In this study, we assessed the best surgical approach to the tricuspid valve in sheep. Firstly, different surgical access sites to the tricuspid valve were tested in sheep cadavers, the anatomy was analyzed, and the optimal surgical approach to the tricuspid valve was determined. Secondly - along with cardiopulmonary bypass and cardioplegic arrest -the chosen approach was tested in six adult sheep in vivo. Anatomical analyses revealed that a left thoracotomy provided optimal access to the aorta and left heart. However, visualization of the right heart was significantly impaired. In contrast, a right thoracotomy provided good access to the right heart, but the ascending aorta was difficult to approach. Therefore, in the in vivo studies, arterial cannulation was performed through a carotid (n = 4) or femoral (n = 2) artery. In conclusion, a right-sided thoracotomy allows good visualization of all components of the tricuspid valve complex in sheep, but not of the ascending aorta. Consequently, peripheral vessels are preferred for arterial cannulation. This work may stimulate the investigation of pathomechanisms and/or novel treatment options for tricuspid valve pathologies.
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Powertrain Optimisation supported by Simulation
Wolfgang Kriegler 한국자동차공학회 2000 한국자동차공학회 Workshop Vol.2000 No.-
The main intention of the lecture is to present a method for vehicle concept analysis as well as for new powertrain layout meant as a common optimisation of engine and drive train parameters. Furthermore the advantages and benefits using simulation techniques in the development of hybrid powertrains will be highlighted.<br/> After an introduction, an idealised computer aided development process for the entire powertrain is presented. It shows how state-of-the-art simulation techniques can contribute to a comprehensive, continuous development process, which is based upon off-line simulation, hardware in the loop simulation, the utilisation of modern test bed technology up to final vehicle calibration. The ultimate goal of this "simulation supported development process" is to optimise the entire powertrain, which has been, up to now, practically been designed from experience and mainly in experiments. Further to optimise the interaction between the individual components soon enough and to minimise prototype variations which is especially important with hybrid vehicles as there are theoretically so many possibilities to design a hybrid powertrain. In this context, the presentation does not focus on the development of such powertrain components but rather their design, assessment and parameterisation as well as the harmonisation of the single components. Especially with hybrids, the exact knowledge of the "mission" of the vehicle, the expected driving profile and the expected end-user related problems is necessary. Particular importance is also attached to powertrain controls i.e. the link between electronic engine, transmission and vehicle control units.<br/> Then more in detail some simulation modules such as engine models and transmission models are presented, which are essential modules for the development process mentioned above.<br/> After having introduced process and the necessary off-line and real-time simulation models of powertrain components, some basic consideration about hybrid powertrains are presented. Two hybrid examples are chosen to support the necessity for the use of simulation.<br/> In the first example the development of the AVL Universal Hybrid system is highlighted which has been simulation supported throughout the whole project period. The second expample shows results of the simulation supported analysis of the well known Toyota Prius hybrid vehicle. Based upon the described development methodology, it is evident that optimum development results can only be achieved by considering the total powertrain system. Especially for the high complex powertrain systems of hybrid vehicles the application of the new, simulation supported development processes is strongly recommended. The tools for it are available at AVL and are being continuously developed further. However the goal is to reduce development time and costs by the consequent realization of this presented process.
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Stability of the multi-Jensen equation
Wolfgang Prager,Jens Schwaiger 대한수학회 2008 대한수학회보 Vol.45 No.1
Given an m ∈ N and two vector spaces V and W, a function f : V m → W is called multi-Jensen if it satisfies Jensen’s equation in each variable separately. In this paper we unify these m Jensen equations to obtain a single functional equation for f and prove its stability in the sense of Hyers-Ulam, using the so-called direct method Given an m ∈ N and two vector spaces V and W, a function f : V m → W is called multi-Jensen if it satisfies Jensen’s equation in each variable separately. In this paper we unify these m Jensen equations to obtain a single functional equation for f and prove its stability in the sense of Hyers-Ulam, using the so-called direct method
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