Now showing items 261-280 of 7946

    • Analysis of state aid policy to stimulate innovation and internationalization in Lithuanian animation industry 

      Mitkus, Tomas; Maditinos, Dimitrios I. (Oeconomia copernicana, 2017)
      Research background: In order to achieve systematic development and growth of creative industries, instead of its being a random process, effective cultural policy tools need to be implemented. This task is greatly burdened ...
    • Long-range surface plasmons supported by the disordered nanowire metamaterials 

      Gric, Tatjana; Hess, Ortwin (Journal of electromagnetic waves and applications, 2018)
      Considering the losses of metal and semiconductor and by obtaining exact dispersion relations of the modes, we theoretically study the propagation characteristics of surface plasmons supported by disordered nanowire ...
    • On zeros of some combinations of Dirichlet L-functions and Hurwitz zeta-functions 

      Garbaliauskienė, Virginija; Karaliūnaitė, Julija; Laurinčikas, Antanas (Mathematical modelling and analysis : the Baltic journal on mathematical applications, numerical analysis and differential equations, 2017)
      In the paper, we obtain that certain linear and more general combinations of Dirichlet L-functions and Hurwitz zeta-functions have infinitely many zeros in the critical strip. For the proof, universality of those combinations ...
    • From discrete gravity survey data to a highresolution gravity field representation in the Nordic-Baltic region 

      Märdla, Silja; Ågren, Jonas; Strykowski, Gabriel; Tonis, Oja; Ellmanna, Artu; Forsberg, Rene; Bilker-Koivulae, Mirjam; Omang, Ove; Paršeliūnas, Eimuntas Kazimieras; Liepins, Ivars; Kaminskis, Janis (Marine geodesy, 2017)
      The deduction of a regularly spaced gravity anomaly grid from scattered survey data is studied, addressing mainly two aspects: reduction of gravity to anomalies and subsequent interpolation by various methods. The problem ...
    • Export, energy consumption and economic growth inter-linkages: the case of Lithuania 

      Dudzevičiūtė, Gitana; Šimelytė, Agnė (Scientific annals of economics and business, 2017)
      This paper has aimed to examine the causal relationships between energy consumption – economic growth, export – energy consumption and export – economic growth in Lithuania during the period of 1998 – 2015. Descriptive ...
    • On the accuracy of some absorbing boundary conditions for the Schrödinger equation 

      Bugajev, Andrej; Čiegis, Raimondas; Kriauzienė, Rima; Leonavičienė, Teresė; Žilinskas, Julius (Mathematical modelling and analysis : the Baltic journal on mathematical applications, numerical analysis and differential equations, 2017)
      A detailed analysis of absorbing boundary conditions for the linear Schrodinger equation is presented in this paper. It is focused on absorbing boundary conditions that are obtained by using rational functions to approximate ...
    • Uniformly valid asymptotics for Carrier's mathematical model of string oscillations 

      Miškinis, Paulius; Krylovas, Aleksandras; Lavcel-Budko, Olga (Mathematical modelling and analysis : the Baltic journal on mathematical applications, numerical analysis and differential equations, 2017)
      In the paper, an asymptotic analysis of G.F. Carrier's mathematical model of string oscillation is presented. The model consists of a system of two nonlinear second order partial differential equations and periodic initial ...
    • High-frequency submicrosecond electroporator 

      Novickij, Vitalij; Grainys, Audrius; Butkus, Paulius; Tolvaišienė, Sonata; Švedienė, Jurgita; Paškevičius, Algimantas; Novickij, Jurij (Biotechnology & Biotechnological Equipment, 2016)
      In this work, we present a novel electroporator which is capable of generating single and bursts of high power (3 kV, 60 A) square wave pulses of variable duration (100 ns to 1 ms) with predefined repetition frequency (1 ...
    • Novelties within the framework for information system due diligence 

      Delak, Boštjan; Vasilecas, Olegas; Bajec, Marko (Journal of computer information systems, 2017)
      The information system (IS) field lacks a scientifically based analytical tool for rapid delivery of IS due diligence. In 2013, a framework for IS due diligence (FISDD) was published. The work on this framework was continued ...
    • Sustainability assessment for recreational buildings 

      Raslanas, Saulius; Kliukas, Romualdas; Stasiukynas, Andrius (Civil engineering and environmental systems, 2016)
      A large amount of natural resources and energy is wasted during and after the building construction process which might cause environmental problems such as climate changes. In order to achieve higher standards of environmental ...
    • Modelling of a biofiltration process of volatile organic compound mixtures in a biofilter 

      Vaiškūnaitė, Rasa; Zagorskis, Alvydas (Biotechnology & Biotechnological Equipment, 2016)
      Currently, different methods for air clean-up from chemical pollutants are applied worldwide: adsorption, absorption, and thermal and catalytic oxidation. One of the most promising methods is biological air cleaning. The ...
    • Efficient technique for constitutive analysis of reinforced concrete flexural members 

      Gribniak, Viktor; Kaklauskas, Gintaris; Juozapaitis, Algirdas; Kliukas, Romualdas; Meškėnas, Adas (Inverse problems in science and engineering, 2017)
      One of the most difficult issues in the theory of reinforced concrete (RC) is an adequate modelling of deformation behaviour, cracking and, particularly, post-cracking behaviour, as one of the major sources of non-linearity. ...
    • A biochar-based medium in the biofiltration system: removal efficiency, microorganism propagation and the medium penetration modelling 

      Baltrėnas, Pranas; Baltrėnaitė-Gedienė, Edita; Kleiza, Jonas; Švedienė, Jurgita (Journal of the air & waste management association, 2016)
      Four strains of microorganisms (including micromycetes Aspergillus versicolor BF-4 and Cladosporium herbarum 7KA, as well as yeast Exophiala sp.BF1 and bacterium Bacillus subtilis B20) were selected. At the inlet loading ...
    • An analytical mathematical method for calculation of the dynamic wheel–rail impact force caused by wheel flat 

      Bogdevičius, Marijonas; Žygienė, Rasa; Bureika, Gintautas; Dailydka, Stasys (Vehicle system dynamics : international journal of vehicle mechanics and mobility, 2016)
      The simplified method to determine a vertical impact force of wheel with flat and rail interaction is presented in this article. The presented simplified method can be used to identify maximum contact force and its ...
    • A framework for assessing trust in e-government services under uncertain environment 

      Shayganmehr, Masoud; Kumar, Anil; Garza-Reyes, Jose Arturo; Zavadskas, Edmundas Kazimieras (Information technology & people, 2022)
      In this study, a novel framework was proposed to assess the trust in e-government (e-Gov) services under an uncertain environment. The proposed framework was applied in Iranian municipality websites of e-Gov services to ...
    • A new approach for production project scheduling with time-cost-quality trade-off considering multi-mode resource-constraints under interval uncertainty 

      Ghasemi, Mohamad Hosein; Mousavi, Seyed Meysam; Aramesh, Saeed; Shahabi-Shahmiri, Reza; Zavadskas, Edmundas Kazimieras; Antuchevičienė, Jurgita (International journal of production research, 2023)
      Due to today’s competitive environment and information boom, companies are concerned about production planning in uncertain conditions. This paper integrates decision-making method with production scheduling model by ...
    • Multi-criteria analysis of barriers to building information modeling (BIM) adoption for SMEs in New Zealand construction industry 

      Hall, Andrew Thomas; Durdyev, Serdar; Koc, Kerim; Ekmekcioglu, Omer; Tupėnaitė, Laura (Engineering construction and architectural management, 2022)
      Building information modeling (BIM) is a prominent concept to digitalize data collection and analysis processes. Small and medium-sized enterprises (SMEs) account for a considerable percentage of the works performed in the ...
    • Does digital economy promote sustainable development: Case of EU countries? 

      Skvarciany, Viktorija; Jurevičienė, Daiva (Panoeconomicus, 2023)
      The digital economy and sustainable development are treated as the world’s progress, and there is a vast number of papers investigating the indirect linkage between these two phenomena. However, there is a lack of studies ...
    • Raw sheep wool management for thermal insulation materials: The case of Lithuania 

      Vėjelis, Sigitas; Skulskis, Virgilijus; Kremensas, Arūnas; Vaitkus, Saulius; Kairytė, Agnė (Journal of natural fibers, 2022)
      Raw sheep wool preparation processes are closely related to the use of environmentally harmful raw materials. To solve this problem, alternative ways of cleaning wool, often called environmentally friendly, are being sought. ...
    • Decomposition of the effects of ageing population and migration on labour force 

      Mačiulytė-Šniukienė, Alma; Matuzevičiūtė-Balčiūnienė, Kristina; Ruplienė, Dovilė (International journal of economic policy in emerging economies, 2022)
      Ageing is a long-term trend in Europe that started a few decades ago; it causes a number of economic and social problems. The paper aims to evaluate the effects of population ageing and migration on the changes of population ...