Konferencijų straipsniai / Conference Articles: Recent submissions
Dabar rodomi įrašai 1141-1160 iš 15192
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Research of dynamic processes of the system “Track-Vehicle”, when wheel is with 0.7 mm metal scale
(TRANSBALTICA XI: Transportation science and technology: Proceedings of the international conference TRANSBALTICA, May 2-3, 2019, Vilnius, Lithuania, 2020)The appearance of a metal scale on the wheel's surface causes technical and maintenances problems for the rolling stock. Railway standards limit the speed of movement that depends on a certain size of metal scale. Introduced ... -
Study of dynamic loads in the wheel and rail contact influence on the maximum adhesion coefficient
(TRANSBALTICA XI: Transportation science and technology: Proceedings of the international conference TRANSBALTICA, May 2-3, 2019, Vilnius, Lithuania, 2020)A scientific method for estimating the effect of dynamic loads arising at the wheel and rail contacts during locomotive movement is proposed, which most accurately describes the behaviour of a real rolling stock and complies ... -
Assessment of the commercial potential of biotechnologies and laser technologies: comparison the results of the expert survey
(Contemporary issues in economy: 10th international conference on applied economics: entrepreneurship and management, Olsztyn, Poland, 2019 : proceedings, 2019)Research background: Most of the attempts to commercialize technologies ends in failure, and thus the ability to timely and objectively assess the expediency of technology commercialization, in order ... -
Environmental study and valorization of an ashy waste: case of pyrrhotite ash
(IOP Conference series: materials science and engineering: 4th International Conference on Innovative Materials, Structures and Technologies (IMST 2019), 25–27 September 2019, Riga, Latvia, 2019)Pyrrhotite ash is an industrial waste which is currently stored in large quantities in a large area in southwest of Morocco. The literature review revealed that this waste has been used by some cement industries and has ... -
Research of mathematical model of movement of six-axle locomotives with controllable wheelsets installation
(TRANSBALTICA XI: Transportation science and technology: Proceedings of the international conference TRANSBALTICA, May 2-3, 2019, Vilnius, Lithuania, 2020)Research of mathematical model of movement of six-axial locomotive with controllable wheelsets installation. Based on the general system of nonlinear variable coefficient differential equations of the vehicle movement in ... -
Comparison of studies of dangerous cargo flow distribution between rail and road transport
(TRANSBALTICA XI: Transportation science and technology: Proceedings of the international conference TRANSBALTICA, May 2-3, 2019, Vilnius, Lithuania, 2020)The article compares the results of different studies of dangerous cargo flow distribution between rail and road transport. The dependency has been examined by example of actual data that assesses the percentage ratio ... -
Study of field testing on car body vibrations of moving passenger car with wheel flat
(TRANSBALTICA XI: Transportation science and technology: Proceedings of the international conference TRANSBALTICA, May 2-3, 2019, Vilnius, Lithuania, 2020)The article analyses the methodology of experimental investigations of railway vehicles under real operating conditions. The aim of the research is to determine the vertical and lateral accelerations of the carbody of ... -
The role of human capital and organizational learning in internationalization of SMEs
(Business and management 2014 : 8th International Scientific Conference, May 15-16, 2014, Vilnius, Lithuania : selected papers. Vol. I, 2014)SMEs are videly recognized as the economic tissue, boosting competitiveness at national as well as at regional level. The internationalization of SMEs is supported by governmental policies in the EU, aiming to encourage ... -
Model for the evaluation of public buildings' management efficiency
(Research in Building Engineering ESCO'19, 2019)A dynamic urbanization, the need of effective resource conservation, the penetration of new technologies create challenges for urban operators in dealing with the complex tasks of sustainable urban development. The inefficient ... -
Areas of state regulation and market support of leasing services
(UNITECH 2019-GABROVO: International scientific conference, 15-16 November 2019, Gabrovo: proceedings. Vol. III, 2019)In the conditions of the development and the continuous improvement of technologies, business entities have to be constantly updated to maintain competitive advantage. However, their high cost keeps entrepreneurs from ... -
3DOF high resolution inertial piezoelectric motor
(2019 IEEE International Ultrasonics Symposium (IUS), Glasgow, Scotland, October 6-9, 2019, 2019)Development of multi degree-of-freedom (DOF) high-resolution motors is becoming of increased importance for nanotechnology, micro-robotics, and laser technology. A novel design of 3DOF rotary type piezoelectric motor is ... -
Dirbiniai iš pjuvenų betono ir jų panaudojimas konstrukciniams elementams
(4-osios tarptautinės konferencijos "Naujos statybinės medžiagos, konstrukcijos ir technologijos", įvykusios Vilniuje 1995 m. gegužės 10-13 d., straipsniai, 1995)Medienos atliekų trupiniai ir pjuvenos yra vietinė žaliava termoizoliacinių ir termoizoliacinių-konstrukcinių dirbinių (blokelių, plokščių ir kitų elementų) gamybai. Darbe nagrinėjamos įvairios betono mišinių, vartojant ... -
Calculating and estimating construction site plan preparation works and temporary objects, using virtual reality technology
(The 13th international conference “Modern building materials, structures and techniques”, 16–17 May, 2019, Vilnius, Lithuania, 2019)Aim of the article: to create a prototype of an information system of an optimized site plan using virtual reality technology (VRT). The article consists of two parts. The first part: the review of the literary sources ... -
The role of policy in the development of cognitive radio systems
(SIIT 2011 : The 7th international conference on standardisation and innovation in information technology, 28-30 September 2011, Berlin, Germany : proceedings, 2011)In this work we adopt the theoretical framework of co-evolutionary analysis to explore the different roles of relevant stakeholders in the development of Cognitive Radio (CR) systems in the modern wireless market. Our ... -
Ensuring 2050 European aviation safety and security goals: are we doing the right research?
(8th European Conference for Aeronautics and Space Sciences (EUCASS 2019), 1-4 July 2019 Madrid, Spain, 2019)According to EASA and other aviation safety organisations [1], air transport is acknowledged today as the safest global mode of transport; and certainly, as indicated in the report of IATA [2], the low accident rates ... -
Asfaltbetonio kokybės rodiklių normų ir leistinų nukrypimų patikslinimas
(4-osios tarptautinės konferencijos "Naujos statybinės medžiagos, konstrukcijos ir technologijos", įvykusios Vilniuje 1995 m. gegužės 10-13 d., straipsniai, 1995)Kintamumas - būdinga asfaltbetonio savybė. Kad kokybė būtų tinkama, būtina reglamentuoti asfaltbetonio savybių kintamumo viršutines ir apatines ribas. Remiantis gausiais tyrimais nustatytos pagrindinių asfaltbetonio kokybės ... -
Gamification for business development
(Advances in economics, business and management research: 1st International Scientific and Practical Conference on Digital Economy (ISCDE 2019), November 7-8, 2019, Chelyabinsk, Russia, 2019)Gamification changes the rules of engagement for education, business management and as a result-changes the behavior of customers. As [17], [7], [18], [6], [8] predicts that by the 2020, more than half of Global 1000 ... -
Mineralinių biriųjų medžiagų savybių vienodumo statistinis vertinimas
(4-osios tarptautinės konferencijos "Naujos statybinės medžiagos, konstrukcijos ir technologijos", įvykusios Vilniuje 1995 m. gegužės 10-13 d., straipsniai, 1995)Straipsnyje pateikti specialiųjų tyrimų, atliktų asfaltbetonio gamyklose, statistiniai duomenys, parodantys kaip varijuoja granitinės skaldos 5-15 ir 3-10 mm, atsijų bei gamtinio smėlio fiziniai-mechaniniai rodikliai. ... -
Kaustinio dolomito skaidymas elektrolitu ir gauto magnio oksido kristalizacijos proceso tyrimas
(4-osios tarptautinės konferencijos "Naujos statybinės medžiagos, konstrukcijos ir technologijos", įvykusios Vilniuje 1995 m. gegužės 10-13 d., straipsniai, 1995)Gamybinėm sąlygom sukamojoje krosnyje pagamintas kaustinis dolomitas, kurio išeitinę žaliavą sudarė Petrašiūnų dolomitas. Sumaltas iki reikiamo smulkumo ir veikiamas amonio nitrato tirpalu reaktoriuje, kuriame įrengtas ... -
Plytų mūro ir keramzitbetonio sienų, apšiltinamų iš vidaus drėgminio režimo ypatumai
(4-osios tarptautinės konferencijos "Naujos statybinės medžiagos, konstrukcijos ir technologijos", įvykusios Vilniuje 1995 m. gegužės 10-13 d., straipsniai, 1995)Darbe pateikiami plytų mūro ir keramzitbetonio sienų apšiltinamų iš vidaus drėgminio režimo ypatumai. Darbo tikslas - išsiaiškinti šių sienų apšiltinimo iš vidaus galimybes panaudojant 120 mm storio mineralinės (akmens) ...