منابع مشابه
Prof. Dr. med. Urs Heim
On July 25, 2013 Prof. Dr. med. Urs Heim passed away. With him one of the grand personalities of European trauma and orthopedic surgery left us. His work and his aura went far beyond the borders of his native country Switzerland. Urs Heim (Figure 1) was born on April 4, 1924 in Zurich. After attending school in Switzerland and France he started his studies in the field of human medicine in the ...
متن کاملMartin Barth Business School University of Mannheim Mannheim , Germany
Following the advent of the Internet more and more processes are provided virtually, i.e., without physical interactions between involved people and objects. For instance, E-Commerce has virtualized shopping processes since products are bought without physical inspection and interaction with sales staff. This study is founded on the key idea of process virtualization theory (PVT) that from the ...
متن کاملOptimal Policy in OG Models
In the present paper general stationary overlapping generations economies with many commodities in every period and many different consumers in every generation are considered. A government maximizes a utilitarian social welfare function, which is the sum of weighted averages of utilities for generations, through fiscal policy, i.e., monetary transfers and taxes. Situations both with and withou...
متن کاملTwo new neolignans from Syringa velutina Kom.
Two new neolignans, (7S,8R)-guaiacylglycerol-8-O-4'-sinapyl ether 9'-O-beta-D- glucopyranoside (1) and (7S,8R)-syringylglycerol-8-O-4'-sinapyl ether 9'-O-beta-D-gluco- pyranoside (2) were isolated from the leaves of Syringa velutina Kom.. Their structures were established by chemical properties and spectroscopic evidence.
متن کاملMannheim Offsets of Ruled Surfaces
In a recent works Liu and Wang 2008; 2007 study the Mannheim partner curves in the three dimensional space. In this paper, we extend the theory of the Mannheim curves to ruled surfaces and define two ruled surfaces which are offset in the sense of Mannheim. It is shown that, every developable ruled surface have a Mannheim offset if and only if an equation should be satisfied between the geodesi...
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ژورنال
عنوان ژورنال: rus & avhengighet
سال: 2004
ISSN: 0809-2834
DOI: 10.18261/issn0809-2834-2004-04-05