2011: Recent submissions

  • A model for failure nodes in wireless sensors networks (WSN) for military polygon monitoring 
    JUNIE, Petru; TERTISCO, Mihai; EREMIA, Cristian (Technical University of Moldova, 2011)
    The present paper presents the results of research on modelling and experimental identification systems with random binary events of failure nodes of a WSN which is monitored in a military polygon. For systems with random ...
  • Definirea semanticii propoziţiei în limbaj natural 
    POPESCU, Anatol; CREŢU, Sergiu (Technical University of Moldova, 2011)
    This study represents a research concerning the principles and methods of elaboration of an interface in natural language (NL) for informational systems. When we say interpretation of texts in a NL, we mean the process of ...
  • The Land-Onboard Complex of a Control Flight Balloon 
    BREKHOV, Oleg M. (Technical University of Moldova, 2011)
    Necessity of carrying out of experiments for real time by means of use of operated flight of a balloon it is caused by a number of the reasons. We name some of them: the research of the physicalphenomena, such as studying ...
  • Creation of a Knowledge Framework for Non-Commutative Computer Algebra 
    COJOCARU, Svetlana; COLESNICOV, Alexandru; HEINLE, Albert; LEVANDOVSKYY, Viktor; MALAHOV, Ludmila; STUDZINSKI, Grischa; UFNAROVSKI, Victor (Technical University of Moldova, 2011)
    Knowledge framework for non-commutative computer algebra consists of systematically discovered, collected, and thoroughly studied examples kept in a central repository (database). These examples are used at benchmarking ...
  • Modelarea matematică a hidrodinamicii şi dispersiei poluanţilor chimici în rîuri 
    BEŞLIU, Victor; CIUFUDEAN, Călin; FILOTE, Constantin; MARUSIC, Galina; MORARU, Vasile (Technical University of Moldova, 2011)
    În lucrare se propun modelul numeric al curgerii apei şi cel al dispersiei poluanţilor chimici pe un sector al rîului Prut. Pentru modelare se utilizează ecuaţiile lui Navier-Stokes în forma diferenţială sub forma Reynolds, ...
  • Contabilitatea instituţiei de cercetare în sistemul informational ― ”Universal Accounting” 
    AVORNIC, A.; CANŢER, V.; ŢURCANU, V. (Technical University of Moldova, 2011)
    Soluţionarea problemelor apărute în activitatea economico-financiara a unei instituţii, în particular de cercetare, este dependentă de calitatea şi cantitatea informaţiilor procesate şi furnizate de sistemul informaţional ...
  • Energy Transfer in Organic Luminophore Nanocomposites 
    VERLAN, V.; ANDRIESH, A. M.; CULEAC, I.; POPUSHOI, A.; DRAGALIN, G.; BARBĂ, N.; BUZURNIUC, S.; MALAHOV, L. (Technical University of Moldova, 2011)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the poly-N-vinylpirrolidone has been used. As organic luminophore matertials new compound from izotiocianatopropenone ...
  • GaAs Epitaxial Microrelief Layer 
    BARANOV, Simion; CINIC, Boris; ENACHI, Mihail; GORCEAC, Leonid; SUMAN, Victor (Technical University of Moldova, 2011)
    It is a report about an epitaxial GaAs relief layer with 3 μ of thickness growth in Ga –AsCl3 – H2 system on n-GaAs (n=2x1018cm-3) substrate with multiple crystallization centers. Crystalline lattice on substrate surface ...
  • Superconducting Spin Valve Corn Element Based on S/F Nanostructures 
    SIDORENKO, Anatolie (Technical University of Moldova, 2011)
    Very rapid developing area, spintronics, needs new devices, based on new physical principles. One of such devices – a superconducting spin-valve, consists of ferromagnetic and superconducting layers, is based on a novel ...
  • Microstructure of Nb/CuNi Nanostructures 
    MORARI, Roman; KEHRLE, Jan; ZDRAVKOV, Vladimir; ANTROPOV, Evgenii; PREPELITSA, Andrei; SOCROVISCIUC, Alexei; OBERMEIER, Gunter; MÜLLER, Claus; HORN, Siegfrid; TAGIROV, Lenar; TIDECKS, Renhard; SIDORENKO, Anatolie (Technical University of Moldova, 2011)
    Results of High Resolution Transmission Electron Microscopy (HRTEM) and scanning Auger Electron Spectroscopy (AES) results for CuNi/Nb/CuNi nanostructures prepared by magnetron sputtering are presented and discussed.
  • Electrochemical Nanostructuring of CuInS2 Bulk Crystals 
    MONAICO, Eduard; URSAKI, Veaceslav; ZALAMAI, Victor; MASNIK, Alisa; SYRBU, Nicolae; BURLACU, Alexandru (Technical University of Moldova, 2011)
    We show that chalcopyrite CuInS2 crystals can be nanostructured by electrochemical treatment in an aqueous HCl solution. In order the crystals to become suitable for electrochemical nanostructuring they are subjected to ...
  • Топологические Переходы Полупроводник-Полуметалл в Нитях Bi1-ХSbх при Анизотропной Деформации 
    НИКОЛАЕВА, Альбина; КОНОПКО, Леонид; ХУБЕР, Тито; ПОПОВ, Иван; МОЛОШНИК, Евгений (Technical University of Moldova, 2011)
    Получены монокристаллические нити Bi1-хSbх в полупроводниковой области концентраций (0,05< х< 0,12) в стеклянной оболочке с диаметрами от 1 мкм до 2мкм. При анизотропной деформации типа одноосного растяжения (до 2 % ...
  • Topological Transitions in the Strain Dependences of Thermopower and Resistance in Nanowires Based on Bi –Sn 
    NIKOLAEVA, Albina A.; KONOPKO, Leonid A.; PARA, Gheorghe I.; TSURKAN, Ana K.; BOTNARY, Oxana V. (Technical University of Moldova, 2011)
    We studied the strain dependences of the resistance and thermopower of nanowires of Bi and its alloys with Sn in conditions of an anisotropic elastic strain with values of 2% elongation, which is one order of magnitude ...
  • Band Gap Size Dependence of Topological Insulator Bi2Te3 Nanotube 
    BEJENARI, Igor; KANTSER, Valeriu (Technical University of Moldova, 2011)
    We study the electronic structure of a cylindrical nanotube made of a topological insulator Bi2Te3. The calculation was made in the framework of the kp theory near the Γ point of the surface Brilloiun zone. A band gap size ...
  • Surface Plasmon Enhanced Luminescence from Au covered Titania Nanotubes burned in a Methane Flame 
    ENACHI, Mihail (Technical University of Moldova, 2011)
    It is shown that coating by Au layers with thickness of 5 – 10 nm of titania nanotubes with anatase structure produced by burning the as-electrochemically-prepared nanotubes in a methane flame leads to the increase of the ...
  • Empirical Linearly- Hyperbolic Approximation of the I-V Characteristic of the p–n Junction Devices 
    PENIN, Alexandr; SIDORENCO, Anatolie (Technical University of Moldova, 2011)
    Empirical linearly-hyperbolic approximation of the I-V characteristic of diodes and solar cell is presented. This approximation is based on hyperbolic dependence of a current of the p–n junctions on voltage for large ...
  • Deviations from Wiedemann-Franz law in quasi-one-dimensional organic crystals 
    CASIAN, Anatolie; BALMUS, Ion; DUSCIAC, Viorel (Technical University of Moldova, 2011)
    The physical reasons that lead to deviations from the Wiedemann-Franz law in low-dimensional organic crystals with electronic type conduction are investigated. The kinetic coefficients were modeled as functions of Fermi ...
  • Analysis of Active Two-Port Circuits with Variable Loads on the Basis of Projective Geometry 
    PENIN, Alexandr (Technical University of Moldova, 2011)
    For two-port circuit of direct current the problem of recalculation of the changeable load currents is considered. The approach on the basis of projective geometry is used for interpretation of changes or "kinematics" of ...
  • Efectul fotovoltaic şi caracteristicile celulelor solare cu P-N jocţiune radială în nanofire 
    CANŢER, V.; DRAGUTA, S. (Technical University of Moldova, 2011)
    Un nou model de celula solară format dintr-o retea de nanofire dens aranjate, unde fiecare nanofir dispune o jonctiune p-n în directie radială, si sînt orientate paralel cu direcţia de propagare a luminii, duce la separarea ...
  • Atom–molecular conversion in regime of selfacquisition 
    ZINGAN, A. P.; KHADZHI, P. I. (Technical University of Moldova, 2011)
    It was studied the dynamic of atom–molecular conversion in condition of bose – Einstein condensate with formation of homonuclear molecule in regime of self-acquisition. We received the conditions of appearance of ...

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