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Bayesian methods for estimation, optimization and experimental design
(Lappeenranta University of Technology, 2011-11-11)
Mathematical models often contain parameters that need to be calibrated from measured data. The emergence of efficient Markov Chain Monte Carlo (MCMC) methods has made the Bayesian approach a standard tool in quantifying ...
Impersonal trust within the organization: what, how and why?
(Lappeenranta University of Technology, 2011-10-24)
It has been shown in organizational settings that trust is a crucial factor in different kinds of outcomes, and consequently, building employee trust in the employer is a goal for all kinds of organizations. Although it ...
Usability of laser–arc hybrid welding processes in industrial applications
(Lappeenranta University of Technology, 2011-05-27)
Metal industries producing thick sections have shown increasing interest in the laser–arc hybrid welding process because of its clear advantages compared with the individual processes of autogenous laser welding and arc ...
Electric-drive-based control and electric energy regeneration in a hydraulic system
(Lappeenranta University of Technology, 2011-08-12)
Over the recent years, development in mobile working machines has concentrated on reducing emissions owing to the tightening rules and needs to improve energy utilization and reduce power losses. This study focuses on ...
Recovery and refining of manganese as by-product from hydrometallurgical processes
(Lappeenranta University of Technology, 2011-10-28)
The consumption of manganese is increasing, but huge amounts of manganese still end up in waste in hydrometallurgical processes. The recovery of manganese from multi-metal solutions at low concentrations may not be economical. ...
Broadband excitation in the system identification of active magnetic bearing rotor systems
(Lappeenranta University of Technology, 2011-11-04)
One of the targets of the climate and energy package of the European Union is to increase the energy efficiency in order to achieve a 20 percent reduction in primary energy use compared with the projected level by 2020. ...
Sewage Sludge Electro-Dewatering
(Lappeenranta University of Technology, 2011-12-09)
Original sludge from wastewater treatment plants (WWTPs) usually has a poor dewaterability. Conventionally, mechanical dewatering methods are used to increase the dry solids (DS) content of the sludge. However, sludge ...
Making Sense of Shared Leadership. A case study of leadership processes and practices without formal leadership structure in the team context
(Lappeenranta University of Technology, 2011-11-25)
Leadership is essential for the effectiveness of the teams and organizations they are part of. The challenges facing organizations today require an exhaustive review of the strategic role of leadership. In this context, ...
From Fluid Dynamics to Human Psychology.What Drives Financial Markets Towards Extreme Events
(Lappeenranta University of Technology, 2011-11-25)
For decades researchers have been trying to build models that would help understand price performance in financial markets and, therefore, to be able to forecast future prices. However, any econometric approaches have ...
Modeling of electrolyte sorption – from phase equilibria to dynamic separation systems
(Lappeenranta University of Technology, 2011-12-02)
In this thesis, general approach is devised to model electrolyte sorption from aqueous solutions on solid materials. Electrolyte sorption is often considered as unwanted phenomenon in ion exchange and its potential as an ...