Selaus nimekkeen mukaan kokoelmassa Väitöskirjat
Aineistot 849-868 / 1221
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Performance management through sustainability management in the Finnish construction industry
Acta Universitatis Lappeenrantaensis : 1290 (Lappeenranta-Lahti University of Technology LUT, 29.05.2026)The construction industry plays a significant role in both the global and European economies, as well as in human well-being. However, its adverse impacts on the environment, nature, and sustainability necessitate actions ... -
Performance management with novel technologies : integrating sustainability performance in digital transformation
Acta Universitatis Lappeenrantaensis : 1281 (Lappeenranta-Lahti University of Technology LUT, 28.04.2026)Performance management (PM) has evolved from a static evaluation mechanism into a strategic capability for adaptability, innovation and value creation in organisations. In today’s digitally accelerated and sustainability-conscious ... -
Performance measurement and management in a collaborative network
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 15.11.2013)This study concerns performance measurement and management in a collaborative network. Collaboration between companies has been increased in recent years due to the turbulent operating environment. The literature shows ... -
Performance of high power fibre laser cutting of thick-section steel and mediumsection aluminium
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 15.10.2010)Cutting of thick section stainless steel and mild steel, and medium section aluminium using the high power ytterbium fibre laser has been experimentally investigated in this study. Theoretical models of the laser power ... -
Permanent magnet synchronous motor for industrial inverter applications - analysis and design
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (22.11.2002)During the latest few years the need for new motor types has grown, since both high efficiency and an accurate dynamic performance are demanded in industrial applications. For this reason, new effective control systems ... -
Persistent organic pollutants in sediments and fish from Lake Victoria, Uganda
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 01.04.2015)This thesis describes the occurrence and sources of selected persistent organic pollutants (POPs) such as polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), polychlorinated biphenyls (PCBs), ... -
Perspectives on business model experimentation in internationalizing high-tech companies
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 10.05.2019)The main research question addressed in this doctoral dissertation is “How do high-tech companies employ business model experimentation in their internationalization processes?” As the business model concept is itself ... -
Phase voltage control and filtering in a converter-fed single-phase customer-end system of the LVDC distribution network
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 19.11.2010)In recent years, the network vulnerability to natural hazards has been noticed. Moreover, operating on the limits of the network transmission capabilities have resulted in major outages during the past decade. One of the ... -
Photocatalytic degradation of pharmaceutical and person care products (PPCPs) by commercial and synthesized catalysts under UV irradiation
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 06.07.2023)Nowadays, with the rapid development of society, more and more chemical products have been developed and applied to people’s daily lives. Among them, pharmaceuticals and personal care products (PPCPs) are the ones that are ... -
Physico-chemical properties of sol-gel synthesized titanosilicates for the uptake of radionuclides from aqueous solutions
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 16.08.2016)Harnessing the power of nuclear reactions has brought huge benefits in terms of nuclear energy, medicine and defence as well as risks including the management of nuclear wastes. One of the main issues for radioactive ... -
Pienen matkailuyrityksen yrittäjän taival : Oppiminen yrittäjyysprosessissa
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (18.12.2007)Tämä tutkimus liittyy keskusteluun yrittäjyydestä, strategisesta prosessista ja kasvunmerkityksestä pienissä yrityksissä ja edelleen keskusteluun yrittäjästä oppijana, tilaisuuteen tarttujana ja toisaalta elämäntapaansa ... -
Pienten osakeyhtiöiden verosuunnittelu - empiirinen tutkimus
Acta Universitatis Lappeenrantaensis (Lappeenrannan teknillinen yliopisto, 26.03.2010)Tutkimuksen aiheeksi valittiin pienten osakeyhtiöiden verosuunnittelu. Tutkimuksen teoreettinen viitekehys perustui aiempaan laskentatoimen empiiriseen verotutkimukseen sekä laskentatoimen kontingenssiteoreettiseen ... -
Planning and optimization of smart local energy systems for cost-effective decarbonization
Acta Universitatis Lappeenrantaensis : 1284 (Lappeenranta-Lahti University of Technology LUT, 19.05.2026)The energy transition in cold-climate regions calls for integrated and localized solutions that balance cost, emissions, self-sufficiency, and robustness. Current planning approaches for smart local energy systems (SLESs) ... -
Polymer surface modification by atomic layer deposition
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 19.12.2011)Current industrial atomic layer deposition (ALD) processes are almost wholly confined to glass or silicon substrates. For many industrial applications, deposition on polymer substrates will be necessary. Current deposition ... -
Position sensorless electrically excited synchronous motor drive for industrial use based on direct flux linkage and torque control
Tieteellisiä julkaisuja - Research reports (Lappeenranta University of Technology, 16.04.1999)Synchronous machines with an AC converter are used mainly in large drives, for example in ship propulsion drives as well as in rolling mill drives in steel industry. These motors are used because of their high efficiency, ... -
Possibilities and challenges of longitudinal studies in operations management
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 19.12.2011)Longitudinal studies are quite rare in the area of Operations Management. One reason might be the time needed to conduct such studies, and then the lack of experience and real-life examples and results. The aim of the ... -
Possibilities of personal carbon trading to tackle greenhouse gas emissions in the passenger mobility sector
Acta Universitatis Lappeenrantaensis : 1228 (Lappeenranta-Lahti University of Technology LUT, 03.10.2025)The Paris Agreement signed in 2015 aims to limit average temperature rise to 1.5 ℃. Still, greenhouse gas (GHG) emissions from transport keep rising despite ongoing policies and passenger mobility rates keep increasing. A ... -
Post-synthetic modification of metal-oxo clusters of metal-organic frameworks (MOFs) for aqueous applications
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 29.02.2024)The unreliable supply of critical materials, including rare earth elements (REEs), and greenhouse emissions associated with typical H2 production processes, force us to find alternative strategies for smoothing the transition ... -
Potential for Greenhouse Gas Emission Reductions by Using Biomethane as a Road Transportation Fuel
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 28.11.2014)The aim of this thesis is to study whether the use of biomethane as a transportation fuel is reasonable from climate change perspective. In order to identify potentials and challenges for the reduction of greenhouse gas ... -
Potentiometric titration as a method of determining the stoichiometric dissociation constants of weak acids from the thermodynamic dissociation constants of aqueous solutions at 298.15 K
Acta Polytechnica Scandinavica, Chemical Technology SeriesURN:ISSN:1239-0518 (1999)The simple single-ion activity coefficient equation originating from the Debye-Hückel theory was used to determine the thermodynamic and stoichiometric dissociation constants of weak acids from data concerning galvanic ...
