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170 results on '"Böhm, I."'

43. The Conformation and Vibrational Spectra of 1-Cyano-3-Butyne

Author

Klaeboe, P., Moneeb, M., Törneng, E., Hopf, H., Böhm, I., Cyvin, B. N., and Cyvin, S. J.

Abstract

The infrared spectra of 1-cyano-3-butyne were recorded in the region 4000-50 cm-1in the vapour and liquid states, as an amorphous and as two different crystalline solids at 90 K. In addition the compound was studied as a high pressure crystalline solid at ambient temperature. Raman spectra of the liquid, including polarization measurements, and of the amorphous and the two crystalline solids at 90 K, were obtained.

Published
1980
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45. An End-to-End Design Flow for Automated Instruction Set Extension and Complex Instruction Selection Based on GCC

Author

Almer, O., Bennett, R., Böhm, I., Alan Murray, Qu, X., Zuluaga, M., Björn Franke, and Nigel Topham

Subjects
Hardware_CONTROLSTRUCTURESANDMICROPROGRAMMING
Abstract

Extensible processors are application-specific instruction set processors (ASIPs) that allow for customisation through user-defined instruction set extensions (ISE) implemented in an extended micro architecture. Traditional design flows for ISE typically involve a large number of different tools for processing of the target application written in C, ISE identification, generation, optimisation and synthesis of additional functional units. Furthermore, ISE exploitation is typically restricted to the specific application the new instructions have been derived from. This is due to the lack of instruction selection technology that is capable of generating code for complex, multiple-input multiple-output instructions. In this paper we present a complete tool-chain based on GCC for automated instruction set extension, micro-architecture optimisation and complex instruction selection. We demonstrate that our approach is capable of generating highly efficient ISEs, trading o area and performance constraints, and exploit complex custom instruction patterns in an extended GCC platform.

47. Oligonucleotide DNA fingerprinting: results of a multi-center study on reliability and validity

Author

Böhm, I., Krawczak, M., Nürnberg, P., Jochen Hampe, Hundrieser, J., Pöche, H., Peters, C., Slomski, R., Kwiatkowska, J., and Nagy, M.

Subjects
Male, Base Sequence, Evaluation Studies as Topic, Molecular Sequence Data, Humans, Reproducibility of Results, Female, Paternity, DNA, Oligonucleotide Probes, DNA Fingerprinting
Abstract

We report the results of an empirical study of 256 paternity cases referred to 7 different German laboratories for DNA fingerprinting with oligonucleotide probe (CAC)5/(GTG)5. All parameters characteristic of such multilocus DNA fingerprints were found to differ significantly between the contributing centres. Despite these differences, clear-cut decisions between paternity and non-paternity could be made in all but one case. Furthermore, we found no systematic deviation of the gel-phenotype distribution among trios from random expectation as derived from commonly adopted analytical models. Thus, we conclude that oligonucleotide DNA fingerprinting is a robust and reliable means for the resolution of paternity cases.

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