IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Conferinţa "Microelectronics and Computer Science" by Title

Browsing Conferinţa "Microelectronics and Computer Science" by Title

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  • QoS for Grid services 
    POCOTILENCO, Valentin; SIDORENCO, Veaceslav (Technical University of Moldova, 2009)
    This abstract provide some basic concepts about Grid, quality of services (QoS), instrumentaries that realize quality management in Grid infrastructure. One of important goals is to describe features of QoS, workflow and ...
  • QPSK-модулятор спутника “SATUM” на переключаемых микрополосковых линиях 
    СЕКРИЕРУ, Николай; СОРОКИН, Герман (Technical University of Moldova, 2011)
    В данной работе рассмотрены этапы проектирования 5,8 ГГц QPSK-модулятора на основе переключаемых микрополосковых линий. Приведены расчеты составных компонентов и получена структура, готовая к имплементированию высокочастотного ...
  • The quality of life and the migration of people in The Republic of Moldova 
    GOROBIEVSCHI, Svetlana (Technical University of Moldova, 2009)
    The article represents a small study concerning the migration problem of the citizens of Moldova and the factors that influence it. Taking into account the evolution of population in The Republic of Moldova based on the ...
  • The quantum dynamics of a nanomechanical resonator coupled to two quantum dots 
    CEBAN, Victor; MACOVEI, Mihai (Technical University of Moldova, 2017)
    We investigate the quantum dynamics of a system composed of two initially excited closely-spaced quantum dots fixed on a quantum mechanical resonator. The system is submitted to environmental effects and obeys the conditions ...
  • Quantum Interference and Surface States Effects in Topological Insulator Bi0.83Sb0.17 Nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito (Technical University of Moldova, 2017)
    We investigate the transport properties of topological insulator (TI) Bi0.83Sb0.17 nanowires. Single-crystal nanowire samples with diameters ranging from 75 nm to 1.1 μm are prepared using high frequency liquid phase casting ...
  • Quantum size effect in semimetal bismuth antimony wires and films 
    NIKOLAEVA, Albina; KONOPKO, Leonid; GRABOV, Vladimir; DEMIDOV, Evghenii; KABLUKOVA, Natalia; KOMAROV, Vladimir; POPOV, Ivan (Tehnica UTM, 2014)
    — We present the experimental results of an investigation of the electron transport of semimetal single- crystal Bi1-xSbx films and wires in temperature range 4.2-300 K. Bi-3at.%Sb films were prepared by the vacuum discrete ...
  • Quasi-one-dimensional organic crystals with improved thermoelectric properties 
    CASIAN, A.; BALMUS, I.; DASHEVSKY, Z.; SCHERRER, H.; DUSCIAC, V.; DUSCIAC, R. (Technical University of Moldova, 2005)
    Thermoelectric properties of quasi-one-dimensional (Q1D) organic crystals with the interference of two main electron-phonon interactions are considered. The electrical conductivity, thermopower, electronic thermal conductivity ...
  • Quasi-vertical Schottky-structures for THZ-applications 
    COJOCARI, O.; SYDLO, C.; HARTNAGEL, H.-L.; TIGINYANU, I. M. (Technical University of Moldova, 2005)
    This paper presents the results of a systematical work on the improvement of high-frequency performance of quasi-vertical structures for THz-applications. Three versions of structure-design based on a quasi-vertical concept ...
  • Quelques idées sur la linguistique informatique 
    TCACI, Olga; SEVERIN, Olga; ISTRATI, Daniela (Technical University of Moldova, 2009)
    Les découvertes linguistiques tendent à montrer que la langue se comporte comme un système. Cependant, c'est un système difficile à cerner, quelquefois flou (jugements grammaticaux et d'acceptabilité de Chomsky). Il faut ...
  • Radiation Effects in Low Dimensional Semiconductor Structures 
    SOBOLEV, Nikolai A. (Technical University of Moldova, 2009)
    The paper presents a survey of effects occurring in Si-Ge and III-V quantum dots, quantum wells, quantum wires and superlattices upon electron and proton irradiation as well as upon ion implantation. The important issue ...
  • The Radiation Effects on Structural Defects and Reliability of High-k MOS Gate Dielectrics 
    SHISHIYANU, Sergiu T. (Technical University of Moldova, 2011)
    The effects of γ – irradiation on the physical and electrical properties of ZrO2 and HfO2 based high-k MOS structures were studied. The doses of γ –irradiation applied have been up to 80 Gray. The C-Vcharacteristics seeing ...
  • Radiative Transitions in Sm2+ Doped ZnAl2Se4 and KCl Crystals 
    TIRON, Andrew; ZALAMAI, Victor; RUSU, Emil; SYRBU, Nicolae; BEJAN, Nicolae (Technical University of Moldova, 2017)
    Photoluminescence spectra of ZnAl2Se4:Sm2+ and KCl:Sm2+ due to the processes of charge carriers recombination from levels 5Dj,5Lj,5Gj and 5Hj (4f55d1) on levels 7Fj of samarium ions were investigated. The broad photoluminescence ...
  • Radio-absorption shielding 
    BARANOV, S. A.; POPOV, V. V.; QIN, F. X. (Tehnica UTM, 2014)
    A correlation between the frequency of natural ferromagnetic resonance (NFMR) (1 to 12 GHz), determined from the dispersion of permeability, and alloy composition (or magnetostriction between 1 and 40 ppm) of glass-coated ...
  • Rational energy accumulation as a condition sine qua non for transition to sustainability 
    BOŞNEAGA, Iurie; BOLOGA, Mircea (Technical University of Moldova, 2017)
    In order to ensure optimal solutions for all-embracing energy issues, we elaborated scientifically based (mainly on Thermodynamics) Strategy of Sustainable Energy Development (3D-Strategy), founded on three principles: ...
  • Real-time control systems synthesis 
    SUDACEVSCHI, Viorica; ABABII, Victor; MAYKIV, Ihor; SACHENKO, Anatoliy; KOCHAN, Volodymyr; ROSHCHUPKIN, Oleksiy (Tehnica UTM, 2014)
    This paper presents a synthesis method of real-time control systems based on direct mapping of Petri net model into FPGA circuit. Synchronous timed Petri nets have been developed to specify and model the control system. ...
  • Realitatea virtuală. Ghidul spre lumea artificială 
    SAVA, Nina; NIRONES, Cristian (Technical University of Moldova, 2017)
    Lucrarea de faţă abordează principalele caracteristici ale sistemelor de realitate virtuală, influenţa şi aplicabilitatea acestora în diferite domenii. Va fi determinat rolul realităţii virtuale în dezvoltarea ulterioară ...
  • Recomandări Privind Implementarea SMSI după ISO/IEC 27001:2013 
    BULAI, Rodica; DUCA, Ludmila (Tehnica UTM, 2014)
    In this paper is done the comparative analysis of standard ISO/IEC 27001 The System management of information security (SMSI) the versions 2005 and 2013. It is proposed the recommendations according to the implementation ...
  • Recombinational radiation in doped crystals of zinc diphosphide 
    PEEV, L. G. (Technical University of Moldova, 2005)
    In the case of semiconductors with an indirect energy gaps of interdicted zones of the type ZnP2 (D84) optical transition with absorption and emission of phonons are found in the free exiton zone. In the case of alloyed ...
  • Redundanţă Hardware 
    COJUHARI, Sergiu; MELNIC, Radu; CEBAN, Gheorge; PUTERE, Aliona (Technical University of Moldova, 2011)
    În lucrarea dată sunt prezentate scheme logice de asigurare a redundanţei dispozitivelor tehnicii de calcul. Sunt prezentate trei scheme: 1:1, 1:N şi redundanţă în lanţ. Schema 1:1 se foloseşte pentru dispozitive unice (în ...
  • Reflecţii filosofice asupra unor probleme ale fizicii contemporane 
    LOZOVANU, Ecaterina (Technical University of Moldova, 2017)
    The article examines some philosophical issues related to linkage between quantum mechanics and general relativity theory. Attention is drawn on the linkage of these theories with the units of measurement for time, length ...

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