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Christian Lehr, Pascal Munsch, Romuald Skoda and Andreas Brümmer
The acoustic properties of a single-stage centrifugal pump with low specific speed are investigated by means of compressible 3D CFD simulations (URANS) and experiments. In order to determine the pump?s acoustic transmission and excitation characteristics...
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Jan M. Sitterson, Allan A. Andales, Daniel F. Mooney, Maria Cristina Capurro and Joe E. Brummer
Recent Colorado, USA water law provisions allow a portion of irrigation water to be leased between agricultural and other users. Reducing consumptive use (CU) through deficit irrigation while maintaining some crop production could allow farmers to earn r...
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Travis Parker, Kristyn Leach, C. Scott Stoddard, Laura Roser, Antonia Palkovic, Troy Williams, Sassoum Lo, Paul Gepts, Don La Bonte, Ga Young Chung and E. Charles Brummer
Sweetpotatoes are a major crop in California, ranking sixth in value among organic commodities in the state. In recent years, there has been growing consumer interest in diverse specialty varieties, particularly purple types and those associated with Asi...
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David Kokalj, Jörg Debus, Dominic Stangier, Henning Moldenhauer, Alexander Nikolov, Alexandra Wittig, Andreas Brümmer and Wolfgang Tillmann
Tribology, as the science and technology of interacting surfaces, typically relies on liquid lubricants which reduce friction and wear. For environmentally friendly tribological purposes and applications requiring a liquid-free performance, solid lubrica...
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Christian Lehr, Andreas Linkamp, Daniel Aurich and Andreas Brümmer
Subject of discussion are simulations and experimental investigations on the acoustic characterization of three single stage centrifugal pumps of different specific speed. In operation, these pump-types generate pressure pulsation at blade passing freque...
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Sibusiso W. Sabela,Leon M. Brummer,John H. Hall,Hendrik P. Wolmarans
AbstractThis study presents a three-stage approach in determining financial distress of companies listed on the Johannesburg Stock Exchange. A novel feature of the present study is that it deviates from a binary classification of corporate distress predi...
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Sebastian Lakner, Stefan Kirchweger, Daniel Hoop, Bernhard Brümmer and Jochen Kantelhardt
The diversification of farms can be a result of multifunctional farming, however, in some cases at the cost of lower farm efficiency. In our paper we investigate the influence of para-agricultural diversification on productivity and the technical efficie...
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Maysoon M. Mikha, Dwi P. Widiastuti, Tunsisa T. Hurisso, Joe E. Brummer and Jessica G. Davis
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G. F. Nel,E. vdM. Smit,L. M. Brummer
AbstractInvestor relations is the field of management that is concerned with the relationships between companies and investors, and as such involves a wide variety of information types, for example mandatory, voluntary, financial, non-financial, qualitat...
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G. F. Nel,L. M. Brummer
AbstractThe purpose of this study was to develop a measurement instrument to measure the quality of Internet investor relations (IIR). This study will aid future research to examine IIR and provide guidance to companies in the development of an IIRstrate...
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