Selaus nimekkeen mukaan kokoelmassa Väitöskirjat

    • Fabrication and characterization of silicon position sensitive particle detectors 

      Leinonen, Kari
      URN:ISSN:1456-4491Acta Universitatis Lappeenrantaensis (10.02.2006)
      Position sensitive particle detectors are needed in high energy physics research. This thesis describes the development of fabrication processes and characterization techniques of silicon microstrip detectors used in the ...
    • Facilitating coordination improvement efforts in cross-functional process development programs 

      Korhonen, Kirsi
      Acta Universitatis Lappeenrantaensis (19.06.2008)
      Business process improvement is a common approach in increasing the effectiveness of an organization. It can be seen as an effort to increase coordination between units. Process improvement has proved to be challenging, ...
    • Facilitating university-industry collaboration with a multi-level stakeholder perspective 

      Albats, Ekaterina
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 26.05.2018)
      University–industry collaboration has been acknowledged as a vital source of innovation. However, despite its rather long history, a number of barriers to such collaboration remain, and the ways to overcome them have ...
    • Factors affecting the usability of aspen (Populus tremula) wood dried at different temperature levels 

      Kärki, Timo
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 06.11.2009)
      In this dissertation the main aim was to study the usability of aspen wood in the mechanical wood processes, especially the factors that affect the usability of aspen wood, which is dried at different temperature levels. ...
    • Family ownership – a source of sustainable success in listed companies 

      Rantanen, Noora
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 18.12.2014)
      Extant research on exchange-listed firms has acknowledged that the concentration of ownership and the identity of owners make a difference. In addition, studies indicate that firms with a dominant owner outperform firms ...
    • Feasibility of industrial implementation of laser cutting into paper making machine 

      Stepanov, Alexander
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 04.09.2015)
      Laser cutting implementation possibilities into paper making machine was studied as the main objective of the work. Laser cutting technology application was considered as a replacement tool for conventional cutting methods ...
    • Fenton chemistry beyond remediating wastewater and producing cleaner water 

      Burgos Castillo, Rutely Concepcion
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 29.05.2020)
      The production, use and transformation of inorganic and organic chemical compounds are negatively affecting the global environment, whereas the disposal of byproducts generated at urban wastewater treatment plants isbecoming ...
    • Ferrite Permanent Magnet Hysteresis Loss in Rotating Electrical Machinery 

      Egorov, Dmitry
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 15.11.2019)
      Electrical machines with permanent magnets (PMs) find numerous applications in present energy-efficient technologies. A reasonable compromise in terms of costs and efficiency makes electrical machines with ferrite PMs a ...
    • Fiber laser and hybrid welding of T-joint in structural steels 

      Unt, Anna
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 14.12.2018)
      Laser welding processes are amongst the most versatile joining technologies, suitable for both, small scale and mass production. The advancements in laser sources and optics is allowing autogenous laser beam welding to ...
    • Field Sales Management Control: Towards a Multi-Level Theory 

      Tarkiainen, Anssi
      Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (07.12.2007)
      The purpose of this dissertation is to increase the understanding and knowledge of field sales management control systems (i.e. sales managers monitoring, directing, evaluating and rewarding activities) and their potential ...
    • Financial working capital - management and measurement 

      Talonpoika, Anna-Maria
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 06.05.2016)
      Unexpected changes in cash flow have started to occur more frequently after the financial crisis. The capital structures of companies have also changed, and financial flexibility as well as flexible asset management have ...
    • First principles modeling of metallic alloys and alloy surfaces 

      Pitkänen, Heikki
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.10.2010)
      By alloying metals with other materials, one can modify the metal’s characteristics or compose an alloy which has certain desired characteristics that no pure metal has. The field is vast and complex, and phenomena that ...
    • Flexible multibody approach in bone strain estimation during physical activity: 

      Kłodowski, Adam
      Acta Universitatis Lappeenrantaensis (26.10.2012)
      Bone strain plays a major role as the activation signal for the bone (re)modeling process, which is vital for keeping bones healthy. Maintaining high bone mineral density reduces the chances of fracture in the event of ...
    • Flexible multibody dynamics and intelligent control of a hydraulically driven hybrid redundant robot machine 

      Al-saedi, Mazin
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 03.06.2014)
      The assembly and maintenance of the International Thermonuclear Experimental Reactor (ITER) vacuum vessel (VV) is highly challenging since the tasks performed by the robot involve welding, material handling, and machine ...
    • Flexible Multibody Simulation Approach in the Dynamic Analysis of Bone Strains Activity 

      Al Nazer, Rami
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.08.2008)
      The objective of this study is to show that bone strains due to dynamic mechanical loading during physical activity can be analysed using the flexible multibody simulation approach. Strains within the bone tissue play a ...
    • Foreign Direct Investment, Clean Development Mechanism, and Environmental Management: A case of Sub-Saharan Africa 

      Kivyiro, Pendo Teresia
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.05.2015)
      This doctoral dissertation explores the contribution of environmental management practices, the so-called clean development mechanism (CDM) projects, and foreign direct investment (FDI) in achieving sustainable development ...
    • Foreign Market Entry Mode Decision-Making: Insights from Real Options Reasoning 

      Ahi, Mohamadali
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 18.08.2017)
      This dissertation addresses firms’ choice of foreign market entry mode, and changes made to the chosen mode, using real options reasoning (ROR). Entry mode choice has long been under scrutiny in the international business ...
    • Formal and informal mechanisms for knowledge protection and sharing 

      Olander, Heidi
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 30.06.2011)
      The most important knowledge in firms is mostly tacit and embedded in individuals within the organization. This background knowledge that firms possess is used for creation of new knowledge and innovations. As firms today ...
    • Formation and Control of Trace Metal Emissions in Co-Firing of Biomass, Peat, and Wastes in Fluidised Bed Combustors 

      Kouvo, Petri
      Acta Universitatis LappeenrantaensisURN:ISSN 1456-4491 (2003)
      Environmentally harmful consequences of fossil fuel utilisation andthe landfilling of wastes have increased the interest among the energy producers to consider the use of alternative fuels like wood fuels and Refuse-Derived ...
    • Fouling management and retention in nanofiltration of integrated paper mill effluents 

      Mänttäri, Mika
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 23.04.1999)
      Nanofiltration performance was studied with effluents from the pulp and paper industry and with model substances. The effect of filtration conditions and membrane properties on nanofiltration flux, retention, and fouling ...