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Chelating Adsorbents in Purification of Hydrometallurgical Solutions
(Lappeenranta University of Technology, 2009-12-11)
In this thesis, equilibrium and dynamic sorption properties of weakly basic chelating adsorbents were studied to explain removal of copper, nickel from a concentrated zinc sulfate solution in a hydrometallurgical process. ...
Novel Robot Solutions for Carrying out Field Joint Welding and Machining in the Assembly of the Vacuum Vessel of ITER
(Lappeenranta University of Technology, 2009-12-18)
It is necessary to use highly specialized robots in ITER (International Thermonuclear Experimental Reactor) both in the manufacturing and maintenance of the reactor due to a demanding environment. The sectors of the ITER ...
Concentrated Winding Multiphase Permanent Magnet Machine Design and Electromagnetic Properties – Case Axial Flux Machine
(Lappeenranta University of Technology, 2009-12-21)
Concentrated winding permanent magnet machines and their electromagnetic properties are studied in this doctoral thesis. The thesis includes a number of main tasks related to the application of permanent magnets in ...
Magnetic and transport properties of II-V diluted magnetic semiconductors doped with manganese and nickel
(Lappeenranta University of Technology, 2009-12-17)
This thesis is devoted to investigations of three typical representatives of the II-V diluted magnetic semiconductors, Zn1-xMnxAs2, (Zn1-xMnx)3As2 and p-CdSb:Ni. When this work started the family of the II-V semiconductors ...
The effects of social networks on work-team effectiveness
(Lappeenranta University of Technology, 2009-12-05)
This is a study of team social networks, their antecedents and outcomes. In focusing attention on the structural configuration of the team this research contributes to a new wave of thinking concerning group social capital. ...
Inversion and assimilation methods with applications in geophysical remote sensing
(Lappeenranta University of Technology, 2009-12-16)
Stratospheric ozone can be measured accurately using a limb scatter remote sensing technique at the UV-visible spectral region of solar light. The advantages of this technique includes a good vertical resolution and a good ...
Hybrid LC Filter for Power Electronic Drives: Theory and Implementation
(Lappeenranta University of Technology, 2009-10-23)
Power electronic converter drives use, for the sake of high efficiency, pulse-width modulation that results in sequences of high-voltage high-frequency steep-edged pulses. Such a signal contains a set of high harmonics not ...
Making Sense of Women Managers’ Identities through the Constructions of Managerial Career and Gender
(Lappeenranta University of Technology, 2009-01-30)
This doctoral thesis is about gendered managerial identity construction of women managers. Finnish women managers have been researched from the viewpoints of equality and discrimination issues, careers, and women’s overall ...
Enhancing the efficiency of freight transport by using simulation
(Lappeenranta University of Technology, 2009-06-17)
The role of transport in the economy is twofold. As a sector of economic activity it contributes to a share of national income. On the other hand, improvements in transport infrastructure create room for accelerated economic ...
The influence of crystallization conditions on the filtration characteristics of sulphathiazole suspensions
(Lappeenranta University of Technology, 2009-12-22)
Cooling crystallization is one of the most important purification and separation techniques in the chemical and pharmaceutical industry. The product of the cooling crystallization process is always a suspension that contains ...