Dabar rodomi įrašai 981-1000 iš 15192

    • Evаluаtіng priоritiеs fоr fоreign direct іnvеstmеnt іn Bаltic countriеs 

      Turdykhan, Аssylkhаn; Birškytė, Liucija (23-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija "Ekonomika ir vadyba", 2020 m. vasario 12 d. Vilnius = Proceedings of the 23th Conference for Junior Researchers „Science – Future of Lithuania“ "Economics and management", 12 February, Vilnius, Lithuania, 2020)
      The purpose of this study is to аssеss the relаtive priоrity of three Bаltic countriеs аs а home country fоr fоreign direct іnvеstmеnt (FDI) іnflоw from the United Stаtеs of Аmericа over the pаst four yeаrs (2014– 2018). ...
    • Simulation of operating parameters for DH networks with varying loading: mathematical model and application 

      Masaitis, Sigitas; Urbonas, Petras; Kveselis, Vaclovas (Energy for buildings : proceedings of the Sixth international conference : 7-8 October, 2004, Vilnius, Lithuania, 2004)
      DH systems in Lithuania undergo various modernizations aimed to increase its efficiency. Typically, modernizations include the replacement of building heat substations, the reduction of heat losses in pipes and more efficient ...
    • Baltijos šalių oro uostų ekonomikos sektoriaus plėtros vertinimas ekonomikos globalizacijos sąlygomis 

      Sikorskaitė-Narkun, Eglė; Peleckis, Kęstutis (23-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija "Ekonomika ir vadyba", 2020 m. vasario 12 d. Vilnius = Proceedings of the 23th Conference for Junior Researchers „Science – Future of Lithuania“ "Economics and management", 12 February, Vilnius, Lithuania, 2020)
      Tyrimo reikšmė – oro uostų ekonomikos sektoriaus plėtros vertinimas ekonomikos globalizacijos sąlygomis tampa vis svarbesnis kalbant apie bendrą šalies ekonomikos ir infrastruktūros sektoriaus plėtrą ir jo vertinimą. Oro ...
    • Socialinė gerovė ekonomikos pokyčių kontekste 

      Makovskaja, Neringa; Okunevičiūtė Neverauskienė, Laima (23-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija "Ekonomika ir vadyba", 2020 m. vasario 12 d. Vilnius = Proceedings of the 23th Conference for Junior Researchers „Science – Future of Lithuania“ "Economics and management", 12 February, Vilnius, Lithuania, 2020)
      Europos Sąjunga yra laikoma didžiausią ekonominį potencialą turinti struktūra. Tačiau ateityje yra numatomas ženklus ekonominio augimo sulėtėjimas ar net stagnacija, kuriai didžiausią įtaką turi socialinė atskirtis ir ...
    • Sb2S3 klasterio vibracinių normaliųjų modų anharmonizmo tyrimas 

      Audzijonis, Algirdas; Žigas, Leonardas; Narušis, Jurgis; Mykolaitienė, Nijolė; Balnionis, Donatas Šarūnas; Čerškus, Aurimas; Pauliukas, Audrius (Taikomoji fizika : konferencija skirta akademiko K. Baršausko 100-osioms gimimo metinėms : konferencijos programa ir pranešimų medžiaga : [2004 m. gegužės 12-13 d., Kaunas], 2004)
      The theoretical investigation of vibrational spectrum is based on a chain model of the cluster with two molecules Sb2S3 in a cell. For this, symmetric and normal coordinates along the z(c) axis have been formed. As a result, ...
    • Utilization of vibration energy from vehicle using smart damper 

      Bučinskas, Vytautas; Lenkutis, Tadas; Kunkis, Dainius; Vaičiūnas, Gediminas; Šešok, Nikolaj; Iljin, Igor (Automation 2020: Towards industry of the future, 2020)
      Harvesting of mechanical vibration energy recently is a popular idea, but its implementation is still limited due to real size of harvesters and efficiency of the systems. Here provided an idea and realization of smart ...
    • Microbial fuel cell-based toxicity sensor 

      Rožėnė, Justė; Zinovičius, Antanas; Kačinskaitė, Barbora; Bučinskas, Vytautas; Ramanavičius, Arūnas; Morkvėnaitė-Vilkončienė, Inga (Automation 2020: Towards industry of the future, 2020)
      The increase in energy consumption also increases the damage to the environment and the toxicity of water still is one of the main problems in the world. Microbial fuel cells (MFCs) are one of the alternative energy sources. ...
    • Technical applications of colossal magnetoresistance in thin manganite films for high pulsed magnetic field measurements 

      Balevičius, Saulius; Žurauskienė, Nerija; Stankevič, Voitech; Cimmperman, Piotras; Novickij, Jurij; Kačianauskas, Rimantas; Altgilbers, L.L.; Löffler, M.J. (2nd European pulsed power symposium, EPPS 2004, 20-23 September 2004, DESY, Hamburg, Germany, edited by International Society of pulsed power applications e.V, 2004)
      Investigation of negative colossal magnetoresistance (CMR) phenomenon in thin La-Ca-Mn-O films at pulsed magnetic fields up to 30 T is presented. Epitaxial and polycrystalline films about 400 nm thick used in these ...
    • Scattering characteristics of structures of lossy metamaterial - semiconductor cylinders 

      Bučinskas, Juozas; Nickelson, Liudmila; Martavičius, Romanas (The 5th international conference on metamaterials, photonic crystals and plasmonics (META’14) : Singapore, May 20-23, 2014 : proceedings, 2014)
      Here we present for the first time the rigorous boundary problem solution of the Maxwell's equations for the determination of scattering characteristics of a structure. The structure consists of a finite set of infinite ...
    • Electromagnetic field and dispersion characteristic analysis of absorbing onion-like carbon tube waveguides 

      Nickelson, Liudmila; Bubnelis, Artūras; Martavičius, Romanas; Ašmontas, Steponas (The 5th international conference on metamaterials, photonic crystals and plasmonics (META’14) : Singapore, May 20-23, 2014 : proceedings, 2014)
      Here we present our calculation results of the electromagnetic (EM) field distributions and the dispersion characteristics of open cylindrical tube waveguides. The analyzed waveguides are made of the onion like carbon (OLC) ...
    • Influence of pulsed laser radiation on electrical and magnetoresistive properties of La2/3Sr1/3MnO3 films 

      Černiukė, Irina; Vengalis, Bonifacas; Anisimovas, Fiodoras; Maneikis, Andrius; Grigaliūnaitė-Vonsevičienė, Gražina (Radiation interaction with materials : fundamentals and applications, 2014)
      We report modification of electrical and magnetoresistance properties for the La2/3Sr1/3MnO3/MgO(100) thin films influenced by high power pulsed (τ=10 ns) laser radiation (λ=532 nm) SEM surface study revealed cracks extended ...
    • Recent advances in mechanical micro- and nanomanipulation 

      Makulavičius, Mantas; Balitskyi, Oleksii; Urbonas, Rimgaudas; Dzedzickis, Andrius; Bučinskas, Vytautas; Petronis, Algirdas; Kovalenko, Mykyta; Morkvėnaitė-Vilkončienė, Inga (Automation 2020: Towards industry of the future, 2020)
      In order to achieve an accurate positioning for an investigation of micro- or nano objects or to operate with them in micro or nanoscale, modern and sophisticated tools are required. Over the past years of the development ...
    • Dynamical study of thermal conductivity of nanostructured layers by use of the photoinduced transient thermoelectric effect 

      Samuolienė, Neringa; Gradauskas, Jonas; Sužiedėlis, Algirdas; Maneikis, Andrius; Treideris, Marius (Eighth International Conference on Advanced Optical Materials and Devices (AOMD-8), Riga, Latvia, August 25, 2014 : proceedings of SPIE., 2014)
      We propose a new fast technique to determine thermal conductivity of a nanostructured material and demonstrate it for porous silicon. Transient thermoelectric voltage is measured after a pulsed laser irradiation, and ...
    • Detection of microwave radiation on porous silicon nanostructures 

      Gradauskas, Jonas; Stupakova, Jolanta; Sužiedėlis, Algirdas; Samuolienė, Neringa (Eighth International Conference on Advanced Optical Materials and Devices (AOMD-8), Riga, Latvia, August 25, 2014 : proceedings of SPIE., 2014)
      We report on possibility to detect pulsed microwave radiation across the metal/oxide/porous silicon structures and analyse possible physical reasons causing the rise of the emf voltage signal. The n-type porous layers were ...
    • Spoof plasmons in real metals with an arbitrary shape of perforation 

      Gric, Tatjana; Wartak, M.S.; Cada, Michael (Proceedings of SPIE, 2014)
      Spoof plasmons are bound electromagnetic waves (EM) at frequencies outside the plasmonic range mimicking (“spoofing”) surface plasmons (SPs), which propagate on periodically corrugated metal surfaces. In recent years, ...
    • Improving positioning accuracy of an articulated robot using deep q-learning algorithms 

      Petronis, Algirdas; Bučinskas, Vytautas; Šumanas, Marius; Dzedzickis, Andrius; Petrauskas, Liudas; Sitiajev, Nikita Edgar; Morkvėnaitė-Vilkončienė, Inga (Automation 2020: Towards industry of the future, 2020)
      Positioning accuracy of articulated robots decreases significantly when they are fully loaded and operated at maximum speeds due to increased inertia. Hard-coding correction algorithms using traditional methods is extremely ...
    • Mapping international civic technologies platforms 

      Mačiulienė, Monika; Skaržauskienė, Aelita (70th Annual ICA conference abstracts : virtual conference, 20-27 May 2020, 2020)
      This research project intends to contribute theoretically and empirically to the research stream on co-creation by focusing on the ICT-enabled collective actions of citizens, communities, governmental organizations, business ...
    • Apsauginio betoninio sluoksnio patikimumo vertinimas = 

      Kudzys, Antanas; Kliukas, Romualdas (Pažangioji statyba : konferencijos pranešimų medžiaga, 2004)
      An urgency to use probability-based methods and probabilistic reliability indices in long-term quality assessments and predictions of reinforced concrete products and structures is under consideration. Carbonation nature ...
    • Polistireninio putplasčio plokščių nuostoviojo drėgnio izotermių eksperimentiniai tyrimai = 

      Vėjelis, Sigitas; Gnip, Ivan; Keršulis, Vladislovas; Vaitkus, Saulius (Pažangioji statyba : konferencijos pranešimų medžiaga, 2004)
      Results of the water vapour sorption isotherms measurement has been given for expanded polystyrene (EPS) boards with density from 10 to 35 kg/m3. The dependency of equilibrium specific moisture on the bulk density of ...
    • Arcview programinio paketo pritaikymas ozoto ekspozicijos analizei 

      Byčenkienė, Svetlana; Girgždienė, Raselė; Girgždys, Aloyzas (Bioinžinerija ir bioinformatika (2004 m. balandžio 15 d.) ; Fizika ir fizinė kompiuterija (2004 m. balandžio 16.) : 7-osios Lietuvos jaunųjų mokslininkų konferencijos "Lietuva be mokslo - Lietuva be ateities" medžiaga, 2004)
      Pritaikius ArcView programinį paketą buvo įvertintas AOT40 reikšmių erdvinis pasiskirstymas Lietuvoje balandžio-rugsėjo mėnesiais, vertinant ozono galimą poveikį miškams, ir gegužės-liepos mėnesiais, vertinant poveikį augmenijai.