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EcoGame and Ecosystem Profiler : solutions for business ecosystem management
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 08.12.2021)Business ecosystems are complex dynamic systems that are yet to be profoundly studied. As interconnectedness between companies and organisations increases, there is a need to improve the understanding of the dynamics ... -
Ecosystem architecture design: endogenous and exogenous structural properties
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 23.02.2013)The aim of this dissertation is to bridge and synthesize the different streams of literature addressing ecosystem architecture through a multiple‐lens perspective. In addition, the structural properties of and processes ... -
EDTA- and DTPA-functionalized silica gel and chitosan adsorbents for the removal of heavy metals from aqueous solutions
Acta Universitatis Lappeenrantaensis (Lappeenranta University of TechnologyLaboratory of Green Chemistry, 05.08.2011)Adsorbents functionalized with chelating agents are effective in removal of heavy metals from aqueous solutions. Important properties of such adsorbents are high binding affinity as well as regenerability. In this study, ... -
Effect of hydrodynamics on modelling, monitoring and control of crystallization
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 14.12.2010)Crystallization is a purification method used to obtain crystalline product of a certain crystal size. It is one of the oldest industrial unit processes and commonly used in modern industry due to its good purification ... -
Effect of Mechanical and Geometric Mismatching on Fatigue and Damage of Welded Joints
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (18.12.2003)The future of high technology welded constructions will be characterised by higher strength materials and improved weld quality with respect to fatigue resistance. The expected implementation of high quality high strength ... -
Effect of Noncondensable Gases on Circulation of Primary Coolant in Nuclear Power Plants in Abnormal Situations
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (14.02.2003)The present study focuses on two effects of the presence of a noncondensable gas on the thermal-hydraulic behavior of thecoolant of the primary circuit of a nuclear reactor in the VVER-440 geometry inabnormal situations. ... -
The Effect of Operational Disturbances on Reliability and Operation Time Distribution of NCmachine Tools in FMS
Tieteellisiä julkaisuja - Research papers (Lappeenranta University of Technology, 12.12.1997)This thesis concentrates on studying the operational disturbance behavior of machine tools integrated into FMS. Operational disturbances are short term failures of machine tools which are especially disruptive to unattended ... -
Effect of physico-chemical conditions and operating parameters on flux and retention of different components in ultrafiltration and nanofiltration fractionation of sweet whey
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (18.05.2007)Tässä väitöstutkimuksessa tutkittiin fysikaaliskemiallisten olosuhteiden ja toimintaparametrien vaikutusta juustoheran fraktiointiin. Kirjallisuusosassa on käsitelty heran ympäristövaikutusta, heran hyödyntämistä ja heran ... -
Effect of temperature on the shaping process of an extruded wood-plastic composite (WPC) profile in a novel post-production process
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 06.10.2017)Wood-plastic composites (WPC) as a result of their ability to be produced from a wide range of materials and mixtures of different materials, including recycled materials and materials hithertosent to waste disposal, have ... -
Effects of adaptive GMAW processes: Performance and dissimilar weld quality
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 21.06.2017)The last decades have seen growing demand for welding of dissimilar steels, in particular, as a part of efforts to improve transportation safety and, by weight reduction, to improve fuel consumption. Moreover, in ... -
The effects of real time control of welding parameters on weld quality in plasma arc keyhole welding
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 08.12.2000)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 ... -
The effects of social networks on work-team effectiveness
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 05.12.2009)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. ... -
The Effects of Some Furnish and Paper Structure Related Factors on Wet Web Tensile and Relaxation Characteristics
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 01.10.2010)The objective of this thesis was to identify the effects of different factors on the tension and tension relaxation of wet paper web after high-speed straining. The study was motivated by the plausible connection between ... -
The effects of some variables on CO2 laser-MAG hybrid welding
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 23.05.2008)The CO2-laser-MAG hybrid welding process has been shown to be a productive choice for the welding industry, being used in e.g. the shipbuilding, pipe and beam manufacturing, and automotive industries. It provides an ... -
Effects of the partial removal of wood hemicelluloses on the properties of kraft pulp
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 04.12.2014)The objective of this work was to study the effects of partial removal of wood hemicelluloses on the properties of kraft pulp.The work was conducted by extracting hemicelluloses (1) by a softwood chip pretreatment process ... -
Effects of unbalanced magnetic pull on rotordynamics of electric machines
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 21.05.2021)The unbalanced magnetic pull (UMP) that results from air-gap eccentricity can present a potential risk to the lifetime and dynamic stability of rotating electric machines. Nevertheless, a method to identify the effects of ... -
Electric-drive-based control and electric energy regeneration in a hydraulic system
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.08.2011)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 ... -
Electro-Oxidation Treatment of Pulp and Paper Mill Circulating Waters and Wastewaters
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 30.07.2013)Interest in water treatment by electrochemical methods has grown in recent years. Electrochemical oxidation has been applied particularly successfully to degrade different organic pollutants and disinfect drinking water. ... -
Electrochemical Characterisation of Filter Media Properties and Their Exploitation in Enhanced Filtration
LTKK Tieteellisiä julkaisuja- Research papers (30.10.1998)Streaming potential measurements for the surface charge characterisation of different filter media types and materials were used. The equipment was developed further so that measurements could be taken along the surfaces, ... -
Electrochemical recovery of rare-earth elements from NdFeB magnets
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 09.12.2022)The use of the rare-earth elements (REEs) is steadily increasing and, on the other hand, possibilities for their substitution in modern advanced technologies, especially in green energy applications, are limited. Recently, ...