The stability of different surface reconstructions on InAs~001! is investigated theoretically and experimentally. Density-functional theory calculations predict four different surface reconstructions to be stable at different chemical potentials. The two dominant reconstructions are the b2 ~234! for high As, and the a2 ~234! for low As overpressure. This trend is confirmed by scanning tunneling...

Error estimates for tomographic reconstructions (using Fourier transform-based algorithm) are available for cases where projection data are available. These data are used for reconstructions with different filter functions and the reliability of these reconstructions can be checked as per guidelines of those error estimates. There are cases where projection data are large (in gigabytes or terab...

OBJECTIVES The goal of this study was to make a review of the patients who underwent ossicular chain reconstruction with titanium prosthesis during an eight-year period in our Department. METHODS A retrospective study was made on the ossiculoplasty cases over a period of eight years in a Public Hospital District. The information was extracted by clinical process consultation. Between 1999 and...

Esophageal reconstructions with the use of pedicled intestinal segments are difficult procedures and require perfect mastering of the surgical technique. However, despite excellent professional skills of the surgeon, in view of individually differentiated and not always adequate vasculature in the region of the small and large intestine, there may always occur intraoperative difficulties in obt...

A. R. Smith,1 R. M. Feenstra,1 D. W. Greve,2 J. Neugebauer,3 and J. E. Northrup4 1Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 2Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 3Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany 4Xerox Palo Alto Research Cente...

Novel image acquisition tools such as micro aerial vehicles (MAVs) in form of quador octo-rotor helicopters support the creation of 3D reconstructions with ground sampling distances below 1 cm. The limitation of aerial photogrammetry to nadir and oblique views in heights of several hundred meters is bypassed, allowing close-up photos of facades and ground features. However, the new acquisition ...

Recent publications have seen the introduction of a number of new statistical methods for paleoclimatic reconstructions. When applied to archived multiproxy datasets, most of these methods produce reconstructed curves very similar to the “hockey stick” shape that was first observed by Mann, Bradley and Hughes. However, one recent reconstruction, by McShane and Wyner, produced a sharply differen...

iii This thesis is dedicated to my beloved family! iv Acknowledgments First and foremost, I wish to thank Prof. Arndt von Haeseler for his fruitful discussions, excellent advises and friendly behavior. The help on official documents from Helga Frank and Claudia Kiometzis is highly appreciated. Financial support and the use of supercomputing resources of the ZAM/NIC at the Forschungszentrum Jüli...