Browsing 2005 by Title

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  • Diffusion systems 
    MUNTEAN, Traian; (Technical University of Moldova, 2005)
    This talk extends a formal model of computing based on location based diffusion communications introduced some years ago. In this model directed broadcasting communications, instead of largely used point-to-point communication ...
  • Digital divide: a glance at the problem in Moldova 
    BURTSEVA, L.; COJOCARU, S.; GAINDRIC, C.; MAGARIU, G.; VERLAN, T. (Technical University of Moldova, 2005)
    In this chapter we want to state shortly the basic components, manifestations of the problem of “digital divide”, as well as the ways of its solution in specific country with its specific regional, social, historical and ...
  • Digital signal generator for exciting an area of ultrasonic transducers 
    TANASE, Mihail Eugen; LIE, Ioan; MARINCA, Bogdan; BABAITA, Mircea (Technical University of Moldova, 2005)
    The authors are part of a larger staff, lead by prof. dr. ing. M. E. Tanase that have, for a long time, studied the optimal ultrasonic investigations in elastic mediums, especially in biological mediums. The digital signal ...
  • Distributed enterprise management system for electrical transportation registry of Chisinau city 
    SIDORENCO, Veaceslav; CICLICCI, Vladimir; ALEXEENCO, Vladimir; CUDREACOV, Alexander; MASLO, Valerii; ANATSCHII, Alexander; SIDORENCO, Denis; ALEXEENCO, Andrei (Technical University of Moldova, 2005)
    Paper describes the conceptual approach and example of implementation of a project of complex distributed enterprise management system for urban-level power supply substations of electric transport system. The system ...
  • E-learning and e-science infrastructure of Moldova 
    BOGATENCOV, Peter; COVALENCO, Ion; GONCEARUC, Anatol; SECRIERU, Grigore; SIDORENCO, Veaceslav; VARZARI, Boris (Technical University of Moldova, 2005)
    Since 1999 in Moldova as in many other European countries has started creation of National Research and Educational Network (NREN). Brief history, main goals of national networking infrastructure construction, current state ...
  • The e-learning system structure with virtual laboratory 
    CATARIOV, A.; NEGURA, V. (Technical University of Moldova, 2005)
    In the paper is presented the results of e-Learning system design for the computer engineering courses for the Computer, Informatics and Microelectronic Faculty (TUM). The described e-Learning system foresees as a structure ...
  • E-portfolio in study informatics 
    RAILEAN, Elena (Technical University of Moldova, 2005)
    The rapid breakthroughs in new information and communication technologies will further change the way knowledge is developed, acquired and delivered. One of the effective technologies is e – portofolio. A new point of view ...
  • Effect of contacts and thickness on the NO2 sensing properties of tellurium based films 
    TSIULYANU, Alexantru (Technical University of Moldova, 2005)
    The influence of contacting materials, and thickness of the tellurium based films on their electrical conductivity and sensitivity to NO2 is given. It is shown that until thickness is below 100 nm the conductivity increases ...
  • Effect of rapid photothermal processing on the C-V characteristics of anodic SiO2 films 
    ŞIŞIANU, Teodor; SONTEA, Victor; ŞIŞIANU, Sergiu; LUPAN, Oleg; POCAZNOI, Ion; RAILEAN, Serghei (Technical University of Moldova, 2005)
    The effect of rapid photothermal processing (RPP) in nitrogen on anodic SiO2 for high quality oxide preparation in terms of gate dielectrics in thin film transistors is reported. Samples prepared by anodic oxidation of ...
  • Electrical properties of CuInSe2 crystals obtained by gas transport method 
    GASHIN, P.; KETRUSH, P.; NIKORICH, V.; SUMAN, V.; TAZLAVAN, V. (Technical University of Moldova, 2005)
    The ternary compounds of I-III-VI2 group and their solid solutions recently became one of the most promising materials for the fabrication of high efficiency solar cells. The unique physical properties and relatively low ...
  • Electron and lattice properties of weakly degenerated systems at low temperatures 
    BODIUL, P.; SOROCHIN, S.; COTÎRŞEV, S.; CEBOTĂREANU, A.; ODAINÎII, G.; CEOBANU, S. (Technical University of Moldova, 2005)
    In the present paper two independent methods were used. By the field and temperature dependences of the phonon thermopower in the ultraquantum limit (UQL) and by the temperature dependence of the size-sensitive part of ...
  • Encoding P systems with descriptive membrane timed Petri Nets 
    GUŢULEAC, Emilian (Technical University of Moldova, 2005)
    Petri nets (PN) are very popular formalism for the analysis and representation of concurrent distributed systems that has draw much attention from the community to modeling and verification of this type of systems. P ...
  • Engineering aspect of application of information registers in management of evolutionary social and economic development 
    FEDOTOVA, Natalia; MARKOVA, Elena (Technical University of Moldova, 2005)
    Today management of open systems is based on untied among themselves conceptual positions and theories of various sciences. It leads to to inadequate management of parts of uniform system and periodic occurrence of critical ...
  • Epitaxial In2O3 layers for chemical sensors: structural and surface characterization 
    BRINZARI, V.; KOROTCENKOV, G.; MASEK, K.; MATOLIN, V.; LIBRA, J.; KAMEI, M. (Technical University of Moldova, 2005)
    Indium oxide is one of the basic oxides, which have been extensively studied [1-3] due to its prominent applications for gas sensor design, and as modeling material, possessed of some interesting chemical and structural ...
  • An estimate of phonon parameters errors calculated by dispersion analysis method with help of genetic algorithm 
    ZAHAROV, I. S.; KNJAZEV, A. F.; KOCHURA, A. V.; KURKIN, A. Y. (Technical University of Moldova, 2005)
    The basic task of mathematical processing of reflectance spectra is the calculation of the dielectric function of the substance, which describe response of a crystal to an external electromagnetic field. One of effective ...
  • Evolution of scanning and of the probe microscope checking methods of the electronic products 
    ARMENCEA, Nicolae (Technical University of Moldova, 2005)
    It is organized comparative analysis of possibilities, merits and demerits of the laser scanning and electronic microscopic methods of checking the electronic products. There are considered the principles of operation of ...
  • The examination support in sonographic investigations 
    RÎBAC, Elena; COJOCARU, Svetlana; GAINDRIC, Constantin; PUIU, Sergiu; ŢURCANU, Vasile (Technical University of Moldova, 2005)
    The principles of interface design for support decision systems in ultrasound diagnosis are examined and their implementation for a specific system oriented to the investigation of abdominal region is exposed.
  • Exciton properties of nanoscale heterostrucrures AlxGa1-xN/GaN/AlxGa1-xN 
    NIKA, D. L.; POKATILOV, E. P.; FOMIN, V. M.; DEVREESE, J. T. (Technical University of Moldova, 2005)
    For the heterostructures AlxGa1-x N/GaN/AlxGa1-x N with different thicknesses of the GaN quantum wells and AlxGa1-xN barriers, we use an exciton model, which includes the interaction of an electron and a hole with deformations ...
  • Exciton-phonon spectra in CuIn1-XGaXS2 crystals 
    NEMERENCO, L. L. (Technical University of Moldova, 2005)
    In this work, the wave-length derivative reflection (WDR) spectra of CuIn1-xGaxS2 crystals have been investigated in the region of A, B and C series. The n = 1, n = 2 and n = 3 states are determined and centers of exciton ...
  • Excitonic luminescence of the tungsten disulfide crystals intercalated with halogen molecules 
    DUMCHENKO, Dmitry (Technical University of Moldova, 2005)
    The radiative recombination in the layered disulfide transition metal dichalcogenide compounds 2H-WS2:I2 and 2H-WS2:Br2 has been investigated. It is shown that the strong photoluminescence (PL) of these indirect band gap ...

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