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Browsing 2019 by Issue Date

Browsing 2019 by Issue Date

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  • Exfoliation and thermoelectric properties of bismuth telluride and bismuth chalcogenides layers N- and P- type 
    NIKOLAEVA, Albina; KONOPKO, Leonid; ROGACKI, Krziysztof; GHERGHISHAN, Igori; BOTNARI, Oxana; KOROMYSLICHENKO, Tatiana (Tehnica UTM, 2019)
    Bismuth telluride and its alloys are the best thermoelectric material at room temperature. Bulk thermoelectric modules are used widely in industry as Peltier cooling devices and only bismuth telluride materials are ...
  • Analysis of telecommunication networks by enlarging simulated parameters 
    NISTIRIUC, Ana; ABABII, Victor; CHIHAI, Andrei; NICOLAEV, Pavel; NISTIRIUC, Ion; BEJAN, Nicolae; NISTIRIUC, Pavel (Tehnica UTM, 2019)
    Proposed in this paper is the new technique of distributed telecommunication networks research. It is based on penetration of parameters, determined analytically, into simulated parameters and vice versa. Introduction of ...
  • Parallel computing for multi-dimensional signals acquisition and processing 
    CALUGARI, Dmitri; ABABII, Constantin; OSOVSCHI, Mariana; TURCAN, Ana; BORDIAN, Dimitri; BOROZAN, Olesea (Tehnica UTM, 2019)
    This paper presents the design and research results of the digital systems with parallel computing for the acquisition and processing of multi-dimensional signals The obtained results can be applied to solve the problem ...
  • Analysis of routing techniques in mobile ad-hoc networks 
    HLOPEANICOV, Claudia (Tehnica UTM, 2019)
    Mobile ad hoc networks (MANET) are self-configuring networks of nodes connected by wireless connections without any form of centralized management. They are currently one of the most important research subjects due to the ...
  • Data Science approach for IT project management 
    GRABIS, Janis; HAIDABRUS, Bohdan; PROTSENKO, Serhiy; PROTSENKO, Iryna; ROVNA, Anna (Tehnica UTM, 2019)
    Majority of the IT companies realized that ability to analyse and use data, could be one of the key factors for increasing of number of successful projects, portfolios, programs. Key performance indicators based on data ...
  • The plasticity index of the /soft-film/soft-substrate/ coated systems 
    PYRTSAC, Constantin; GRABCO, Daria (Tehnica UTM, 2019)
    The advanced devices from the last years contain thin films deposited on substrates of materials with different properties, thus forming coated systems (CS) of film/substrate type. Scientists, as well as engineering staff ...
  • Characteristics of some apportionment methods by computer simulation 
    BOLUN, Ion (Tehnica UTM, 2019)
    In examined homogeneous multi-optional systems, the decision is made on two or more final options, consisting of parts of a homogeneous resource measured in integers; the resource in question is apportioned to beneficiar ...
  • TiO2/ZnO columnar heterostructures 
    MAGARIU, Nicolae; PAUPORTÉ, Thierry; LUPAN, Oleg (Tehnica UTM, 2019)
    In this work we synthesized TiO2/ZnO columnar films and studied their characteristics, including the sensor structures based on zinc oxide doped with different impurities. The effects of nano-heterogeneous formation of ...
  • Automate plagiarism detection 
    STRATULAT, Eugeniu; STROIANEȚKI, Stanislav; BOBICEV, Victoria (Tehnica UTM, 2019)
    The paper presents a study in which an application for plagiarism detection has been created. It has been evaluated using the set of documents provided by PAN 2009 task on external plagiarism detection [1]. The task has ...
  • On maintaining optimal conditions for managing information flows in telecommunication networks 
    NISTIRIUC, Ana; ABABII, Victor; CHIHAI, Andrei; NICOLAEV, Pavel; NISTIRIUC, Ion; BEJAN, Nicolae; NISTIRIUC, Pavel (Tehnica UTM, 2019)
    In the present paper we have found Lapiace-Stiltiece transformation for the time of message delivery to the receiver, as well as its response in the form of appropriate controlling frames. We have obtained the expression ...
  • KiboCUBE program for the launch of the TUMnanoSAT nanosatellite 
    BOSTAN, Viorel; BOSTAN, Ion; ILCO, Valentin; MELNIC, Vladimir; MARTINIUC, Alexei; SECRIERU, Nicolae (Tehnica UTM, 2019)
    The TUM National Space Technologies Center team was selected by the Japan Aerospace Agency (JAXA) and the United Nations Office for Outer Space Affairs (UNOOSA) for the fourth round of the KiboCUBE Program for the launch ...
  • Magneto- seebeck coefficient Bi1-XSbX microwires for thermoelectric applications 
    NIKOLAEVA, Albina; KONOPKO, Leonid; HUBER, Tito; POPOV, Ivan; KOBYLIANSKAY, Anna (Tehnica UTM, 2019)
    Due to development of new concepts such as the low- dimensional structures [1] and influence the quantum confinement of change carrier acoustic phonon –boundary scattering for increase figure of merit ZT=2/(T) opened ...
  • Particularities of the implementation of terrestrial digital television in the Republic of Moldova 
    IACOB, Mihail I.; DEMCIUC, Yurie I.; AVRAM, Ion A. (Tehnica UTM, 2019)
    In accordance with the provisions of the Regional Agreement on the Planning of Digital Broadcasting Services (ITU-R Conference, Geneva, 2006), starting from 17 June 2015, the Republic of Moldova assumed the obligation to ...
  • Hardware-software complex for defining the Critical Flicker Fusion Frequency (CFSM) using Raspberry PI 
    ROMANENKO, Alexandr; DUCA, Ludmila; BRANISTE, Rodica (Tehnica UTM, 2019)
    In this work, it is considered a device for determining the critical fusion frequency of light flickers (CFSM), implemented using a single-board computer Raspberry PI. CFSM is a function of light and distinctive sensitivity ...
  • An algorithm of extending EEPROM write cycles 
    PURCI, Gheorghe; NASTASENCO, Veaceslav (Tehnica UTM, 2019)
    Actually EEPROM is commonly used to store configuration parameters and operating history information in embedded processors. For example, to record the most recent operating data in case there is a system failure or power ...
  • The PBL model implementation within the Software Engineering Study Program 
    CIORBĂ, Dumitru; COJUHARI, Irina (Tehnica UTM, 2019)
    PBL (Problem Based Learning) is the learning philosophy that involves students in finding problems and identifying solutions to overcome them. There is no one PBL model suitable for all purposes. However, the PBL-based ...
  • CTS optimization on 3D integration 
    PLETEA, Ionica-Marcela; SONTEA, Victor; ALECSANDRESCU, Iolanda (Tehnica UTM, 2019)
    In this article we have implemented and optimized Clock Tree in a design placed 3D and we have analyzed the results and the impact of reducing wire length on the area, power and timing of the built clock tree. Due to ...
  • Mentoring engineering students 
    GOGOI, Elena (Tehnica UTM, 2019)
    Today successful teaching is not about holding and sending information to students, neither is efficient learning about passively processing and memorizing significant amounts of text in order to get higher test scores. ...
  • First-principles calculations and insight of microstructural effects on mechanical properties in the heterostructured (CrN/ZrN)/(Cr/Zr) nanocomposite coatings 
    POGREBNJAK, Alexander; MAKSAKOVA, Olga; IVASHCHENKO, Volodymyr; WEBSTER, Richard (Tehnica UTM, 2019)
    Coatings with desirable properties of adhesion, strength and high wear performance can be achieved by depositing multilayered structures of Me/MeN architecture. Recent investigations have shown that the combination of hard ...
  • Effect of peierls transition on the phonon spectrum in organic crystals of TTT2I3 for different values of carrier concentration 
    ANDRONIC, Silvia; CASIAN, Anatolie; SANDULEAC, Ionel; BALMUS, Ion (Tehnica UTM, 2019)
    The metal-insulator transition of Peierls type and its effect on the phonon spectrum in quasi-one-dimensional organic crystals of TTT2I3 for different values of carrier concentration is studied in 2D approximation. In the ...

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