Dabar rodomi įrašai 581-600 iš 15192

    • Analysis of cognitive media in the scholastic philosophy of the Grand Duchy of Lithuania 

      Valatka, Vytis; Asakavičiūtė, Vaida (Интеллектуальная культура Беларуси: духовно-нравственные традиции и тенденции инновационного развития: духовно-нравственные традиции и тенденции инновационного развития : Материалы Пятой международной научной конференции (19–20 ноября 2020 года, г. Минск) / Ин-т философии НАН Беларуси, 2020)
    • Analysis of passenger train running stability on dual gauge track curves of line "Rail Baltica" 

      Bureika, Gintautas; Valba, Darius (Transport problems 2020: XII international scientific conference. IX international symposium of young researchers: proceedings, 2020)
      The paper deals with the problem of evenness of train running on dual track curves in the route “Kaunas–Poland Border of new built railway line ”Rail Baltica“. Authors examined the stability and smoothness of rail vehicle ...
    • Shperling criterion study in a passenger car with independently rotating wheels 

      Vaičiūnas, Gediminas; Steišūnas, Stasys (Transport problems 2020: XII international scientific conference. IX international symposium of young researchers : proceedings, 2020)
      Authors of an article compare the dynamic characteristics of cars with integral wheel sets and wheel sets with independently rotating wheels. They use Shperling criterion to assess the riding comfort. They compare the ...
    • The impact of financial openness on EU member states productivity 

      Mačiulytė-Šniukienė, Alma; Davidavičienė, Vida (New challenges in economic and business development – 2020: Economic inequality and well-being : 12th international scientific conference proceedings, October 2, 2020, Riga, University of Latvia, 2020)
      Permanent economic growth is one of the essential goals of every country. Productivity is one of the most important components of economic growth. The economic performance of countries is directly related to productivity. ...
    • Photoconductivity of semiconductor materials at low temperatures 

      Derkach, Vadim; Golovashchenko, Roman; Ostryzhnyi, Yevhenii; Gradauskas, Jonas; Sužiedėlis, Algirdas; Anbinderis, Maksimas; Skiba, Ruslan (2020 IEEE Ukrainian Microwave Week (UkrMW) Kharkiv, Ukraine, September 21-25, 2020, 2020)
      We have extended the technique based on a whispering gallery mode disk dielectric resonator (WGM DDR) to study the changes of photoconductivity of low-loss semiconductors under the optical radiation at low temperatures in ...
    • Impact of the electron velocity overshoot to the performance of photoconductive THz antenna 

      Šlekas, Gediminas; Kancleris, Žilvinas Andrius; Urbanovič, Andžej; Čiegis, Raimondas (23rd International Microwave and Radar Conference (MIKON), 5-8 October, 2020, Warsaw University of Technology, Poland, 2020)
      The comparison of two full-wave models of photo-conductive terahertz antenna is performed. One model solves simple approximation of drift-diffusion equations another uses Monte Carlo simulation for estimation of the ...
    • Gated bow-tie diode with selectively doped 2DEG active layer for microwave sensing 

      Anbinderis, Maksimas; Ašmontas, Steponas; Gradauskas, Jonas; Sužiedėlis, Algirdas; Derkach, Vadim; Golovashchenko, Roman (2020 IEEE Ukrainian Microwave Week (UkrMW) Kharkiv, Ukraine, September 21-25, 2020, 2020)
      Experimental studies of novel design microwave sensors based on selectively doped semiconductor structure of asymmetrical shape revealed that the gated bow-tie diodes are proper candidates for detection of electromagnetic ...
    • FEA analysis of bending stress and deflection in thin steel sheet with reinforcing ribs created by laser treatment 

      Kapustynskyi, Oleksandr; Višniakov, Nikolaj (METAL 2020 - 29th International conference on metallurgy and materials, May 20-22, 2020, Brno, Czech Republic, 2020)
      The main objective of the research was to determine the influence of local laser treatment on the process of elastoplastic deflection of the sheets under bending force. FEA modelling results show, that the location of the ...
    • Study of braking dynamics of long and heavy trains on track downlines with a curve 

      Valba, Darius; Bureika, Gintautas (Transport means 2020. Sustainability: research and solutions : proceedings of the 24th international scientific conference, September 30 - October 02, 2020, online conference - Kaunas, Lithuania, 2020)
      The longitudinal dynamics aspects of the heavy and long train during braking is analysed in this research work. The braking systems of long and heavy trains are considered. The highest forces exerted on the couplings during ...
    • The Nadal criterion study of a passenger car with independently rotating wheels 

      Vaičiūnas, Gediminas; Steišūnas, Stasys; Dižo, Jan (Transport means 2020. Sustainability: research and solutions : proceedings of the 24th international scientific conference, September 30 - October 02, 2020, online conference - Kaunas, Lithuania, 2020)
      Authors of an article compare the dynamic characteristics of cars with integral wheel sets and wheel sets with independently rotating wheels by comparing Nadal criterion values and their laws of change when the car runs ...
    • Assessment of railway development in Baltic sea region 

      Vaičiūnas, Gediminas (Transport means 2020. Sustainability: research and solutions : proceedings of the 24th international scientific conference, September 30 - October 02, 2020, online conference - Kaunas, Lithuania, 2020)
      The author of the article presents a methodology for estimating the development of railways in a country relative to other countries based on the ratio of rail length in the country to GDP, the area of the country and the ...
    • Cement concrete modular pavement implementation for pedestrian and bicycle path 

      Vaitkus, Audrius; Škulteckė, Judita; Vorobjovas, Viktoras; Šernas, Ovidijus; Žalimienė, Laura (IOP conference series: Materials science and engineering: The Ziggurat International Conference on Materials Science and Engineering (ZICMSE 2020) 5-6 October 2020, London, United Kingdom, 2020)
      Cement concrete modular pavements, also known as precast concrete pavements, designed for pedestrian and bicycle paths is the advanced next-generation technology characterised as high quality, durable, quickly built and ...
    • Assessment of the impact of road transport enterprise technological development on arranging of freight transportation by rail 

      Vaičiūtė, Kristina; Katinienė, Aušra; Bureika, Gintautas (Transport means 2020. Sustainability: research and solutions : proceedings of the 24th international scientific conference, September 30 - October 02, 2020, online conference - Kaunas, Lithuania, 2020)
      The processes of technological development and implementation of technologies in road transport have been thoroughly analyzed in terms of technological, economic and managerial aspects, both, by the managers of transport ...
    • Investigation of polishing quality of optical surfaces at small samples 

      Švagždytė, Ieva; Jarmolajeva, Ela; Borodinas, Sergejus; Jurevičius, Mindaugas (15th International Conference of Mechatronic Systems and Materials MSM'2020: the book of selected, peer reviewed papers, July 1-3, 2020, Bialystok, Poland, 2020)
      Flat elements are often used in optics. The most well-known are prisms, mirrors, and beam splitters. In order to produce high quality optical elements, the finishing process - polishing - is one of the most important ...
    • Socio-economic enterprise models in Lithuania 

      Okunevičiūtė Neverauskienė, Laima; Pranskevičiūtė, Irena (Business Management, Economics and Social Sciences : scientific articles, 2019)
      The development enterprise show dynamic transition from traditional polarities “market” versus “state,” „private“ versus „public“ towards more complex socio-economic models, such as social enterprise. Social enterprise ...
    • Application of multi-criteria methods to compose an optimal investment portfolio 

      Martinkutė-Kaulienė, Raimonda; Tamošiūnienė, Rima; Skobaitė, Radvinė (UNITECH 2020 Gabrovo: international scientific conference, 20-21 November 2020, Gabrovo: proceedings. Vol. II, 2020)
      Many theories take into account historical data on financial instruments when researching the formation of an investment portfolio. To obtain higher returns, a thorough analysis is required, so investors evaluate financial ...
    • Susspension string future structure 

      Beivydas, Edmundas (IABSE Symposium "Synergy of culture and civil engineering – history and challenges", 7-9 October 2020, Wroclaw University of Technology, Poland, 2020)
      In the first part of the article discusses about kinematic displacements problem in cable structures. More attention is paid to one-span suspension structures. The main advantages and disadvantages of such constructions ...
    • Influence of changes in structural and mechanical condition of aluminum alloys caused by impact-oscillatory loading on their fatigue life 

      Chausov, Mykola; Maruschak, Pavlo; Pylypenko, Andrii; Prentkovskis, Olegas (Reliability and statistics in transportation and communication: selected papers from the 19th International conference on Reliability and Statistics in Transportation and Communication, RelStat’19, 16-19 October 2019, Riga, Latvia, 2020)
      New experimental data on the influence of changes in the structural and mechanical condition of aluminum alloys D16ChATW and 2024-T3 due to impact-oscillatory loading on a wide-range variation of their fatigue life are ...
    • Investigation of liquefied natural gas ageing and boil-off gas management at Klaipeda LNG reloading station 

      Murašov, Jevgenij; Paulauskienė, Tatjana; Uebe, Jochen; Semaškaitė, Vigailė (Transport means 2020. Sustainability: research and solutions : proceedings of the 24th international scientific conference : September 30 - October 02 , 2020, online conference, Kaunas, Lithuania, 2020)
      Today the world energy market is in great transition and the demand for clean energy such as liquefied natural gas (LNG) is increasing rapidly. LNG is the main transfer form of long-range for water transportation and short ...
    • The analysis of student behaviour in the state online diagnostic tests: Experience of Latvia 

      Juskaite, L.; Lebionka, Jokūbas; Lebionkaitė, Beata (ICERI2019. 12th annual international conference of education, research and innovation : conference proceedings, 11-13 November, 2019, Seville (Spain) / [edited by L. Gómez Chova, A. López Martínez, I. Candel Torres], 2019)
      For the past four years, Latvian schools were offered the opportunity to choose how to organize the state diagnostic tests – paper-based or online. Online tests modernize and facilitate the assessment and analysis process, ...