Browsing 2017 by Title

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  • Hexanuclear pivalate iron(iii) cluster with a functionalized salicylaldehyde 
    MALAESTEAN, Iurie L.; SHOVA, Sergiu; DRAGANCEA, Diana (Technical University of Moldova, 2017)
    In the last two decades there is a continuing search for new synthetic methods that can yield new polynuclear molecular species with unusual or novel magnetic properties. In this paper, we describe the use of aldehyde-based ...
  • Homonymes à consonnes doubles 
    BOTNARU, Raisa; BOTNARU, Irina (Technical University of Moldova, 2017)
    L’article présent se rapporte au thème de la lexicologie ,,l’homonymie”. Ce phénomène linguistique est décrit comme une relation entre plusieurs formes linguistiques ayant le même signifiant, graphique ou phonique, et des ...
  • HTSC in Modern Anisotropic Compounds 
    PALISTRANT, M. E.; CALALB, Mihail; URSU, Vitalie (Technical University of Moldova, 2017)
    The contribution of Moldavian theoretical physicists to the development of the theory of superconductivity in systems with many energy bands and the application of this theory to the description of experimental results on ...
  • Hydrogen detection by individual Pd-modified ZnO nanowire 
    LUPAN, Oleg; PAUPORTÉ, Thierry; POSTICA, Vasile; VIANA, Bruno; ADELUNG, Rainer; CHOW, Lee; TIGINYANU, Ion (Technical University of Moldova, 2017)
    In this work an individual Pd-modified ZnO nanowire (Pd/ZnO NW) was integrated into a nanosensor device using focused ion beam (FIB)/scanning electron microscopy (SEM) system. The Pd/ZnO arrays were synthesized by ...
  • Identificarea modelului matematic al motorului de curent continuu în baza LabView 
    COJUHARI, Irina; FIODOROV, Ion; IZVOREANU, Bartolomeu; MORARU, Dumitru; MELNIC, Radu; CEBAN, Andrei (Technical University of Moldova, 2017)
    În lucrare dată se propune de a efectua identificarea experimentală în timp real a modelului matematic al motorului de curent continuu 2342L012, în baza instrumentarului virtual în mediul de programare LabView. Instrumentarul ...
  • Imprimarea 3D pe baza principiului de extrudarea termoplastică 
    BOTNARU, Sorin; COJUHARI, Irina; FIODOROV, Ion (Technical University of Moldova, 2017)
    În lucrarea este descris sistemul de formare a pieselor de dimensiuni mici din polimere, pe baza principiului de extrudare termoplastică. Sistemul elaborat are ca scop formarea pieselor cu volumul maxim de 20535 mm3 și ca ...
  • In memoriam of academician Valeriu Kantser 
    SIDORENKO, Anatolie (Technical University of Moldova, 2017)
    When a good bright man leaves, the world becomes poorer. In April this year, the scientific community of Moldova lost an outstanding scientist, while the Moldavian Journal of the Physical Sciences lost its first editor-in-chief, ...
  • Influence of Metal Deposition on Electrochemical Impedance Spectra of Porous GaP and GaN Semiconductors 
    ANICAI, Liana; GOLGOVICI, Florentina; MONAICO, Eduard; URSAKI, Veaceslav; PRODANA, Mariana; ENACHESCU, Marius; TIGINYANU, Ion (Technical University of Moldova, 2017)
    A comparative analysis of electrochemical impedance spectroscopy (EIS) characterization is performed in porous GaN and GaP templates with and without metal nanostructured layers deposited by pulsed electroplating. The ...
  • Influence of thickness and polarization on diffraction efficiency of direct patterned diffraction gratings in carbazole-based azopolymer films 
    LOSMANSCHII, Constantin; MESHALKIN, Alexei; ACHIMOVA, Elena; ABASHKIN, Vladimir; PRISACAR, Alexandr; CAZAC, Veronica; POGREBNOI, Serghei; MACAEV, Fliur (Technical University of Moldova, 2017)
    In this paper we report on direct holographic recording of surface relief gratings in carbazole-based azopolymers. Azo dye Disperse Orange 3 was chemically bonded to oligomer poly-N-(epoxypropyl carbazole) making surface ...
  • Influence of TiO2 Ultra-Thin Films on Gas Sensing Properties of CuO:Zn 
    ABABII, Nicolai; REIMER, Tim; POSTICA, Vasile; HOPPE, Mathias; CHEMNITZ, Steffen; SONTEA, Victor; BENECKE, Wolfgang; ADELUNG, Rainer; LUPAN, Oleg (Technical University of Moldova, 2017)
    Copper oxide is a p-type metal oxide with remarkable optical, electrical, thermal and sensing properties. The oxidation of Cu2O to CuO can be performed by thermal annealing at relatively low temperatures. The present study ...
  • Influența radiației electromagnetice asupra proceselor biomoleculare 
    CIOBANU, Nellu; GUBCEAC, Natalia; GRABOVSCHI, Ion; TRONCIU, Vasile (Technical University of Moldova, 2017)
    În această lucrare este descris un model teoretic al interacţiunii radiaţiei electromagnetice din diapazonul milimetric şi terahertz cu un mediu biologic. În calitate de mediu a fost considerat un sistem de celule (molecule). ...
  • The interplay between cyber and nuclear security in Republic of Moldova 
    BUZDUGAN, Aurelian; BUZDUGAN, Artur (Technical University of Moldova, 2017)
    In this paper we will reflect upon the necessity to follow the national cyber security requirements, which are also addressed to operators of nuclear and highly radioactive materials (NR). We will begin with an overview ...
  • Iurie Perlin – in memoriam 
    MALCOCI, Iulia (Technical University of Moldova, 2017)
    Profesorul universitar I. Perlin a crescut într-o familie de intelectuali, casa lor fiind vizitată de personalități proeminente ca pianistul și pedagogul rus de origine germană H. Neuhous (1888–1964), poetul B. Pasternak ...
  • Magnetic random access memory (MRAM) element based on the triplet spin-valve effect for superconducting spintronics 
    MORARI, R.; LENK, D.; ZDRAVKOV, V.I.; ANTROPOV; PREPELITA, A. A.; ANTROPOV, E.V.; SOCROVISCIUC, A.; DONU, S.; CONDREA, E.; HORN, S.; TIDECKS, R.; TAGIROV, L.R.; SIDORENKO, A.S. (Technical University of Moldova, 2017)
    The theory of superconductor-ferromagnet (S-F) layered heterostructures with two and more ferromagnetic layers predicts generation of long-range, odd-in-frequency triplet pairing at non-collinear alignment of magnetizations ...
  • Manualul digital interactiv de informatică – repere metodologice de realizare și implementare în procesul de instruire 
    BALMUȘ, Nicolae; BURLACU, Natalia (Technical University of Moldova, 2017)
    În lucrare se prezintă un model de manual digital interactiv de informatică elaborat de autori în mediul de programare Delphi 10 Seattle. Manualul permite rularea interactivă a exemplelor de programe TPascal, C++, Delphi. ...
  • Marcarea sentimentelor în text: emoţiile autorului şi opinia cititorului 
    BOBICEV, Victoria; CARCEA, Liviu (Technical University of Moldova, 2017)
    Analiza automată a sentimentelor este o direcţie de cercetare foarte activă în ultimii ani. Însă sentimentele sunt subiective şi greu de analizat automat. Textele sunt marcate manual şi apoi utilizate ca sursa pentru ...
  • Mechanisms of Energy Loss of Fast Electrons (1-100 keV) in Semiconductors and Dielectrics and Their Impact on Efficiency of Cathodoluminophores 
    OZOL, Dmitry (Technical University of Moldova, 2017)
    The processes of energy loss by electrons in semiconductors and dielectrics are complex and not fully understood to date. These processes determine the mean pair-creation energy. Its value is important for many technical ...
  • Metal-Insulator Transition of Peierls Type in TTT2I3 Crystals in 3D Approximation 
    ANDRONIC, Silvia; BALMUȘ, Ion; CASIAN, Anatolie (Technical University of Moldova, 2017)
    The metal-insulator transition in quasi-one-dimensional organic crystals of tetrathiotetraceneiodide, TTT2I3, is investigated in 3D approximation. A more complete physical model of the crystal is applied which takes into ...
  • Metastable bound states of the two-dimensional quasi–bimagnetoexcitons 
    MOSKALENKO, S.A.; KHADZHI, P. I.; DUMANOV, E. V.; PODLESNY, I. V.; LIBERMAN, M. A. (Technical University of Moldova, 2017)
    The interactions and the bound states of the two-dimensional (2D) magnetoexcitons with different wave vectors k were considered. First of all the case of two magnetoexcitons with wave vectors k  0 was investigated. Their ...
  • Metodă de identificare a modelelor obiectului de reglare de ordinul unu şi doi după răspunsul experimental al procesului 
    IZVOREANU, Bartolomeu; POTLOG, Mihail; COJUHARI, Irina; FIODOROV, Ion; MORARU, Dumitru (Technical University of Moldova, 2017)
    În lucrare se propune un algoritm grafo-analitic de identificare a modelului matematic de ordinul unu şi doi al procesului industrial după curba experimentală a procesului tranzitoriu ca răspuns la semnal de tip treaptă ...

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