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NUMERICAL INVESTIGATION OF AN OSCILLATING GAS BUBBLE IN AN ULTRASONIC FIELD

The discovery of acoustic cavitation phenomenon is an important role in the design of a wide range of devices handling liquids and it has led to a renewed interest in the bubble dynamics in a sound field.In this study, the nonlinear behaviour of individual gas bubble in liquid under the action of ultrasound fields has been analysed, and simulated results of formation and collapse of a bubble have

Industrial heating using energy efficient induction technology

Abstract in UndeterminedThe demands for energy efficent heating solutions for the manufacturing industry can be met by a newinduction heating platform, presented in this article. A new concept and technology to design andmanufacture induction heating unit is presented, as well as a prototype induction heater, evaluated and testedin an industrial environment. Improvements compared to existing heati

Errors in organizations: Opportunities for crisis management

In the traditional crisis management literature organizational errors are seen as something entirely negative, even though error-free organizations should be considered as a chimera (Clarke, 1999). At-tention to errors is an important characteristic of so called high reliability organizations (HRO). These organizations have a safety culture that function proactively and errors are understood as vi

Isolation and sequence analysis of a cDNA clone encoding the fifth complement component

We have used available protein sequence data for the anaphylatoxin (C5a) portion of the fifth component of human complement (residues 19-25) to synthesize a mixed-sequence oligonucleotide probe. The labeled oligonucleotide was then used to screen a human liver cDNA library, and a single candidate cDNA clone of 1.85 kilobase pairs was isolated. Hybridization of the mixed-sequence probe to the compl

Density-functional theory applied to Rh(111) and CO/Rh(111) systems: Geometries, energies, and chemical shifts

We present extensive density-functional theory (DFT) based calculations of the clean Rh(111) surface and of CO/Rh(111) overlayer systems. We study both ground-state structural properties and core-level shifts from differences in total energies at different coverages and adsorption sites. Most results are obtained using using norm-conserving or ultrasoft pseudopotentials. The overall reliability of