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The Role of Surfactant Properties of Extractants in Hydrometallurgical LiquidLiquid Extraction Processes
(Lappeenranta University of Technology, 2000-10-20)
The amphiphilic nature of metal extractants causes the formation of micelles and other microscopic aggregates when in contact with water and an organic diluent. These phenomena and their effects on metal extraction were ...
The effects of real time control of welding parameters on weld quality in plasma arc keyhole welding
(Lappeenranta University of Technology, 2000-12-08)
Joints intended for welding frequently show variations in geometry and position, for which it is unfortunately not possible to apply a single set of operating parameters to ensure constant quality. The cause of this ...
Lobbying as a Part of Business Management
(2000)
Lobbying by companies and the management techniques of lobbying have been fairly unknown territory. This study explains different theories related to lobbying including major political, economic and mathematical theories ...
A novel procedure for establishing clinching parameters for high strength steel sheet
(2000)
The building industry has a particular interest in using clinching as a joining method for frame constructions of light-frame housing. Normally many clinch joints are required in joining of frames.In order to maximise the ...
Assessing the technical competitiveness of printing papers
(2000)
This dissertation studies the technical quality assessment of a printing paper. The theoretical framework basis on the customer value hierarchy concept and the product integrity concept. The experimental part of the research ...
Welding time models for cost calculations in the early stages of the design process
(2000)
It is generally accepted that between 70 and 80% of manufacturing costs can be attributed to design. Nevertheless, it is difficult for the designer to estimate manufacturing costs accurately, especially when alternative ...
On Effort Estimation in Software Projects
(2000)
Software engineering is criticized as not being engineering or 'well-developed' science at all. Software engineers seem not to know exactly how long their projects will last, what they will cost, and will the software work ...