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Browsing 2009 by Title

Browsing 2009 by Title

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  • Fast Layer 2 Handover Between WiFi and 3G Cellular Networks 
    PLOPEANU, Mircea; CONSTANTINESCU, Mihai; CROITORU, Victor (Technical University of Moldova, 2009)
    This paper presents the events that help achieve the handover operation, based on the IEEE 802.21 standard. It will describe the wireless networks WLAN and 3G, IEEE 802.21 components and handover methods between the two ...
  • Fault Models for Phase Change Memory 
    MOHAMMAD, Mohammad Gh. (Technical University of Moldova, 2009)
    Phase Change Memory (PCM) is the newest type of non-volatile memory that shall replace the currently wide spread flash memory. Recent research activities performed on PCM reliability and operation have identified special ...
  • Fenomene de supratensiune în transformator 
    CATLABUGA, Eugeniu (Technical University of Moldova, 2009)
    În lucrare se propun ecuaţiile cu derivate parţiale şi în formă complexă pentru calcularea repartiţiei tensiunii de-a lungul înfăşurării la intrarea undei de tensiune inaltă în transformator. Deasemenea se prezintă curbele ...
  • Filiform nanoarchitectures consisting of arrays of highly integrated Bi nanowires in glass envelopes 
    POSTOLACHE, V.; IOISHER, A.; MONAICO, E.; BADINTER, E.; TIGINYANU, I.M. (Technical University of Moldova, 2009)
    Using a modified version of the Taylor method, we show the possibility to produce glass micro-cables comprising huge amounts of Bi nanowires in glass envelopes, each nanowire being electrically isolated from the neighbouring ...
  • Filters with Optical Isotropic Wavelength 
    SYRBU, N. N.; DOROGAN, A.; STAMOV, I. (Technical University of Moldova, 2009)
    In the present work it is presented the construction of Band-Pass-Mode Filter and Band –Elimination-Mode Filter used for decreasing the track of the excitation lines 536.7nm and 632.8nm, respectively, for Ar+ and He-Ne ...
  • Galvano-Magnetic Properties and Shubnikov de- Haas Effect of Te- Whiskers 
    BEREZOVETS, Veacheslav; BONDARCHUK, Nikolai; NIJANKOVSKII, Viktor; NIKOLAEVA, Albina (Technical University of Moldova, 2009)
    The work is devoted to investigation of the peculiarities of magnetoresistance, Hall effect and Shubnikov de Haas oscillations in Te- whiskers. Te- whiskers was prepared from vapor- gas phase on the substrate pure tellurium ...
  • Generalized hyperbolic model for I-V characteristic of semiconductor devices 
    PENIN, Alexandr; SIDORENKO, Anatoli (Technical University of Moldova, 2009)
    It is proposed to use the models of volt-ampere characteristics of semiconductor devices such as transistors and photovoltaic cells as a physically reasonable hyperbolic characteristic of the active two-pole with self-limitation ...
  • Generatoare de Sisteme Expert: Modele Neurale 
    CĂPĂŢÂNĂ, Gheorghe (Technical University of Moldova, 2009)
    In this work were described four models of expert systems’ generators, inspired by some phenomena of information processing that occur in the nervous system.
  • Generator de Sisteme Informatice WEB Orientate Utilizator 
    RACOVIŢA, Vasile; CĂPĂŢÂNĂ, Gheorghe (Technical University of Moldova, 2009)
    It was showed up the concept of the user orientated WEB based Informational System Generator. There are the characteristics of WEB based applications for database driven informational management, build for final users. ...
  • Giant magnetoresistance and magnetothermopower in single-crystal Bi1-x Sbx wires 
    NIKOLAEVA, A.; BODIUL, P.; KONOPKO, L.; MOLOSHNIK, E.; POPOV, I. (Technical University of Moldova, 2009)
    A signicative increase in the transverse magnetoresistance and magnetothermopower in single-crystal Bi1-x Sbx wires obtained by liquid phase casting in the temperature range 80-100 K is found. A shift to the range of lower ...
  • High aspect ratio self ordered alumina nanotubes, SEM and EDX characterization 
    ENACHI, Mihail (Technical University of Moldova, 2009)
    Alumina nanotube and porous membranes were fabricated by anodic oxidation of 99.99 % aluminum foils in aqueous electrolytes containing orthophosphoric acids and nickel sulfate hydrate. This way, nanotubes and porous alumina ...
  • High quality Nb and Nb/CuNi nanolayers for superconducting spintronics 
    ZDRAVKOV, V.; MORARI, R.; ANTROPOV, E.; PREPELITSA, A.; SOCROVISCIUC, A.; SURDU, A.; COJOCARU, V.; SIDORENKO, A. (Technical University of Moldova, 2009)
    Advanced technological process for preparation of high quality superconducting Nb and ferromagnetic CuNi -alloy nanolayers of large area (~200 mm2) is developed based on DC-magnetron sputtering. Homogeneity and proper ...
  • Image transmission in Underwater Ad-Hoc Networks: Challenges and Initial Solutions 
    TONI, Laura; ROSSI, Lorenzo; AGOULMINE, Nazime; FONTAINE, Jean Guy (Technical University of Moldova, 2009)
    Due to its applications in marine research, oceanographic, and undersea exploration, underwater communication has been recently under intense investigation. Even though the applications in this field can be still considered ...
  • Implementarea litografiei cu sarcină de suprafaţă pentru mezo- şi nanostructurarea arseniurii de galiu 
    CORDUNEANU, Alexandru (Technical University of Moldova, 2009)
    În prezenta lucrare se demonstrează aplicabilitatea litografiei cu sarcina de suprafaţă la arseniura de galiu. Folosind metodologia acestei tehnologii pentru nitrura de galiu s-au obţinut mezastructuri de GaAs cu pereţi ...
  • Influence of Transversal Constant Electric Field on Mobility in Parabolic Quantum Well 
    SINEAVSKII, E. P.; KARAPETYAN, S. A. (Technical University of Moldova, 2009)
    The mobility μ in the electric field E directed perpendicularly to surface of the lowdimensional system with consideration for the interaction of the carriers with the rough surface and longwave acoustic vibrations has ...
  • Influenţa deformaţiilor anizotropice asupra rezistenţei electrice a monocristalelor din bismut 
    CHEPTEA, V.; NICORICI, A.; RUSU, A.; TODOSICIUC, A. (Technical University of Moldova, 2009)
    În ultimul timp au fost elaborate mai multe metode de obţinere a deformaţiilor anizotropice a monocristalelor masive, mărimea relativă a cărora este de ∼1%. În lucrarea dată s-a studiat influenţa deformaţiilor anizotropice ...
  • Infrared system for control of Postoffice Messages 
    SOCROVISCHIUC, A.; PREPELITSA, A.; COJOCARU, V.; SURDU, A.; ANTROPOV, E.; MORARI, R.; BANDURYAN, B.; BAZALEEV, M.; KLEPIKOV, V.; LYTVYNENKO, V.; SIDORENKO, A. (Technical University of Moldova, 2009)
    It is proposed a simultaneous method for treatment and control of potentially dangerous objects like viruses or explosives. Those methods are based on the prophylaxis irradiation and post irradiation IR-control.
  • Light Induced Modification of the Refractive Index of Sb2Se3:Sn Thin Films 
    IOVU, M. A.; HAREA, D. V.; IASENIUC, O.; COLOMEICO, E. P.; MESHALKIN, A.; IOVU, M. S. (Technical University of Moldova, 2009)
    The optical properties of chalcogenide glasses present a great scientific interest for the establishment of the general legitimacy of interaction of the optical irradiation with the amorphous solids, as well as a practical ...
  • Local hypertermia in crossed laser fluxes 
    NICA, Iurie; ZAVRAJNÎI, Serghei; COJOCARU, Victor (Technical University of Moldova, 2009)
    Work deals with the important and actual problem of oncology. The research problem provides the development of the device for procedures of local hypertermia of deeply located tumors. The developed device allows a constant ...
  • De l’expérience – La détection des virus 
    TCACI, Olga; SEVERIN, Olga; ISTRATI, Daniela (Technical University of Moldova, 2009)
    Nous pensons qu’il n'y a pas de formule magique pour se débarrasser d'un virus informatique. C'est plus sage de dire que chaque virus a son remède ou antidote particulier, selon les dommages causés par le virus en question. ...

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