Browsing 2009 by Title

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  • Observation of Quantum Oscillations in Single Crystal Bi Nanowires 
    KONOPKO, Leonid (Technical University of Moldova, 2009)
    We present here experimental measurements of Aharonov-Bohm (AB) oscillations on single Bi nanowires with diameter d < 80 nm. The single nanowire samples were prepared by Ulitovsky technique and represented cylindrical ...
  • Omogenitatea – proprietate de bază a circuitelor digitale testabile 
    COJOCARU, Ion; ŞERBANAŢI, Luca; PĂVĂLOIU, Bujor; RADOVICI, Alexandru; VASILOŢEANU, Andrei (Technical University of Moldova, 2009)
    Solving the problem of Design for Testability (DFT) supposes not just studying the modern promising ways, but deep studying of the different traditional aspects connected to synthesis of easy testable digital circuits (DC). ...
  • Optical characterization of Mo1−xWxS2 single crystals 
    DUMCENCO, Dumitru; HUANG, Ying-Sheng; HO, Ching-Hwa; COLEV, Andrei; GHERMAN, Cornel; KULYUK, Leonid; TIONG, Kwong-Kaw (Technical University of Moldova, 2009)
    A systematic optical study of Mo1-xWxS2 single crystals grown by the chemical vapor transport method in a wide range composition (0 ≤ x ≤ 1) is presented. The optical characterization was carried out using piezoreflectance ...
  • Organizarea Transferului de Date Concurent în Baza Modelelor RPH 
    ABABII, Victor; SUDACEVSCHI, Viorica (Technical University of Moldova, 2009)
    În lucrare se propune o metodă de organizare a transferului de date în baza modelelor de reţele Petri Hard pentru sistemele de calcul cu magistrală comună. S-a propus un sistem de calcul care conţine o mulţime de dispozitive ...
  • Oscillations of kinetic coefficients of semimetals 
    BODIUL, P.; DRAGUTSAN, N.; COTYRSHEV, S. (Technical University of Moldova, 2009)
    An expression for the Fermi level displacement upon appearance of a disbalance between the carriers of electron and hole type is deduced. A model of two subsystems of carriers is suggested, which explains the experimentally ...
  • Output Characteristics of Heterolasers with a Wide Stripe Contact 
    STETSIK, Victor M.; ALISENOK, Evgenii V.; KONONENKO, Valerii K.; MANAK, Ivan S.; POLIKARPOV, Sergei S. (Technical University of Moldova, 2009)
    Output power characteristics of high efficiency quantum-well heterolasers with a wide stripe contact based on the AlGaInAs semiconductor compounds are studied. It is shown that the laser elements can be applied together ...
  • Parity analysis of convergent fan-out signals for the Schneider’s counterexample digital circuit 
    COJOCARU, Ion; ŞERBANAŢI, Luca; PĂVĂLOIU, Bujor; RADOVICI, Alexandru; VASILOŢEANU, Andrei (Technical University of Moldova, 2009)
    The digital circuit, DC, of the counterexample Schneider was used as a logic structure to which it was demonstrated the insufficiently of the sensitization method for one way (DALG-I), for discovering the error 6≡0 and the ...
  • Photoluminescence of ZnTe nanowires prepared by electrochemical etching of bulk ZnTe 
    MONAICO, E.; COSEAC, V.; URSAKI, V.V.; SYRBU, N.N.; TIGINYANU, I.M. (Technical University of Moldova, 2009)
    We demonstrate the preparation of ZnTe nanowires with the diameter of 50 nm from bulk p-type ZnTe by means of electrochemical treatment in a pulse regime. The nanowires demonstrate photoluminescence characteristics identical ...
  • PNStudio -Toolkit de Simulare Animată a Reţelelor Petri Hibride Reconfigurabile 
    ŢURCANU, Iurie; CIUMAC, Artiom; GUŢULEAC, Emilian (Technical University of Moldova, 2009)
    În lucrare sunt prezentate aspecte de elaborare şi utilizare a unui sistem software instrumental PNStudio -Toolkit, realizat pentru modelarea, verificarea funcţională, simularea animată şi evaluarea performanţelor proceselor ...
  • Polaroid Optocouplers LED-phototransistor 
    CIURUŞ, I. M.; GRAUR, A. (Technical University of Moldova, 2009)
    The applications field of the optocouplers, in the case when the user has access to the optical path of the light beam, becomes larger and larger. Polaroid optocoupler LED–phototransistor is a device in which it is introduced ...
  • Porous morphologies in Si, III-V and II-VI compounds: a comparative study 
    LANGA, S.; MONAICO, E.; FÖLL, H.; TIGINYANU, I.M. (Technical University of Moldova, 2009)
    Porous morphologies obtained during the anodization of semiconductors are mainly determined by particular characteristics of the semiconductor-electrolyte interfaces and the bulk properties of the semiconductor itself. ...
  • A preliminary analysis of esophageal speech signals 
    PUSTOVALOVA, Olga (Technical University of Moldova, 2009)
    The ESOTEK project by the University of Deusto (Spain) is aimed to provide computer assistance to patients who are learning esophageal speech. Esophageal speech is an alternative way of speech production that can be used ...
  • A preliminary analysis of esophageal speech signals 
    PUSTOVALOVA, Olga (Technical University of Moldova, 2009)
    The ESOTEK project by the University of Deusto (Spain) is aimed to provide computer assistance to patients who are learning esophageal speech. Esophageal speech is an alternative way of speech production that can be used ...
  • Principiul dualității în algebra logicii 
    COJOCARU, Ion; ŞERBANAŢI, Luca; PĂVĂLOIU, Bujor; RADOVICI, Alexandru; VASILOŢEANU, Andrei (Technical University of Moldova, 2009)
    The problem of easy testable digital circuits’ design, which appeared in the 60s of the last century, being in the permanent focus of the digital circuits’ producers, has not found its adequate solution yet. Complexity of ...
  • Probleme "prefăcute"... 
    CERNEI, Mihail; GHEŢIU, Vladimir; MELINTE, Victoria (Technical University of Moldova, 2009)
    An insignificant change of physical problems conditions can differentiate increase their level of difficulty. The problem becomes attractive for the students.
  • Proiectarea Circuitelor Integrate Asistată de Verificarea în Timp Real 
    BRAGARENCO, Andrei; RITTMAN, Danny; SONTEA, Victor (Technical University of Moldova, 2009)
    Este prezentat principiul asistării proiectării circuitelor integrate asistata de un sistem de verificare si recomandare in timp real. Sunt prezentate principiile de baza a sistemului, avantajele introduse prin utilizarea ...
  • Proiectarea Sistemelor de Transfer Bidirecţional de Date în Baza Reţelelor Petri Hard 
    SUDACEVSCHI, Viorica; ABABII, Victor (Technical University of Moldova, 2009)
    Lucrarea de faţă este dedicată proiectării sistemelor de transfer bidirecţional de date, unde, ca unitate de control a transferului de date se utilizează reţele Petri hard. Structura reţelei Petri hard corespunde funcţional ...
  • Properties of Fe-based Microwires 
    BARANOV, Serghei (Technical University of Moldova, 2009)
    The Fe-based composition of cast amorphous glass-coated microwires with positive magnetostriction constant is investigated. The residual stresses distributions in this type of microwires determine domain structures and ...
  • 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 ...
  • 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 ...

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