2013: Recent submissions

  • On the Visualization of Biological Object using the Acoustic Holography 
    MIRONOV, Bettin (Technical University of Moldova, 2013)
    The visualization with ultrasonic waves is one of the most widely used in medicine methods. Currently in medicine mainly is spread echographyc ultrasound method, less exposure to radiation. These methods are acceptable in ...
  • Device for Hypothermic Therapy 
    COJOCARU, Victor; MARDARI, Vladimir; NICA, Iurie (Technical University of Moldova, 2013)
    In the present paper the authors propose a device which use therapeutic hypothermia implemented due Peltier elements which are controlled by a microcontroller, operated by guided user interface.
  • Complex Device for Heart Activity Monitoring 
    IAVORSCHI, A.; SONTEA, V.; PIRTAC, V.; LAZARI, E.; LUCHITA, M.; BOBU, V. (Technical University of Moldova, 2013)
    This paper presents description of the complex device for heart activity monitoring based on ARM microcontroller; there are described structural scheme of the device, analogic module, user interface, and technical parameters ...
  • Device for Alternate Wireless Input and Helping People with Disabilities to Rehabilitate back to Normal Social Communication 
    MARGARINT, Andrei (Technical University of Moldova, 2013)
    Glove2Speech is a device whose mission is helping people with speech problems to rehabilitate to a normal life. Glove2Speech consists of 2 gloves, connected wireless to each other to provide maximum mobility. The device ...
  • Nonlinear cooperative phenomena caused by Fröhlich phonons in biological objects 
    CIOBANU, Nellu; ROTARU, Anatol; TRONCIU, V. Z. (Technical University of Moldova, 2013)
    Nonlinear cooperative stationary phenomena are studied for the interaction of Bose-condensed phonons with millimeter electromagnetic radiation in the biological media. The real and imaginary parts of the dielectric ...
  • Active Bioresonance Therapy Device 
    SECRIERU, Vitalie; MUNTEANU, Eugen; BALICA, Ştefan; DOROGAN, Andrei; VIERU, Stanislav; VIERU, Tatiana; DOROGAN, Valerian (Technical University of Moldova, 2013)
    At the moment studies had proved that a lot of actual and well known diseases are conditioned by the presence of parasites of different etiology in human body. The present paper describes a device elaborated and manufactured ...
  • The Role of Alternating Current in Photo-Assisted Electrochemical Porosification of GaN 
    MAHMOOD, Ainorkhilah; AHMED, Naser M.; TIGINYANU, Ion; YUSOF, Yushamdan; KWONG, Yam Fong; SIANG, Chuah Lee; HASSAN, Zainuriah (Technical University of Moldova, 2013)
    In this paper, we report the formation of porous GaN films under a novel alternating current (sine-wave a.c. (50 Hz)) photo-assisted electrochemical (ACPEC) etching conditions. The ACPEC formed porous GaN with excellent ...
  • Tachyon-like Spectrum of Electromagnetic Modes in the Case of Extremely Low Frequencies in a System of Nanopores 
    SERGENTU, Vladimir; OLEDNIC, Marin (Technical University of Moldova, 2013)
    In nanotechnology, porous materials play an important role in achieving new properties. In this work we examine the electromagnetic behavior of a system of cylindrical nanopores, aranged in a twodimmensional square lattice, ...
  • Synthesis of Colloidal InP Nanocrystal Quantum Dots 
    SIRBU, L.; GUTUL, T.; TODOSICIUC, A.; DANILA, M.; MULLER, R.; SARUA, A.; WEBSTER, R.; TIGINYANU, I. M.; URSAKI, V. (Technical University of Moldova, 2013)
    InP nanodots with the diameter of 4−10 nm were synthesized using sol-gel method. The nanodot dimensions were obtained using TEM, and we found the d(111) spacing to be 0.328nm which agrees within 3% of the literature value. ...
  • Enhancement of Zn1-xCdxO Nanowires Sensor Performance through Cd-Doping 
    LUPAN, Oleg; CREŢU, Vasilii; TROFIM, Viorel; SONTEA, Victor; PAUPORTÉ, Thierry; CHOW, Lee (Technical University of Moldova, 2013)
    Metal oxides such as zinc oxide have been studied intensively as H2 sensors during of the last decade. Zn1-xCdxO is a material which presents new properties at nanometer dimensions. This work demonstrates an enhanced ...
  • The Effect of Size, Shape and Environment on Magnetic Properties of a Nanoparticle: microscopic model analysis 
    COJOCARU, Sergiu; DOHOTARU, Leonid; MOSCALENCO, Vsevolod (Technical University of Moldova, 2013)
    Our theoretical study of magnetic nanoparticles is based on an original analytic approach, which allows to track down the intrinsic mechanisms of the observed magnetic properties. In particular, it reveals some misleading ...
  • Facile Synthesis and Properties of Single-Crystal SnO2 Nanostructures 
    LUPAN, Oleg; CREŢU, Vasilii; RAILEAN, Serghei (Technical University of Moldova, 2013)
    Single-crystal tin oxide (SnO2) nanostructures with rutile structure have been synthesized through a facile hydrothermal process. The morphologies and structural properties of the nanorods/nanoneedles/nanowires were ...
  • Comparative Study of Persistent Photoconductivity in GaP and GaN Nanostructures 
    POSTOLACHE, Vitalie (Technical University of Moldova, 2013)
    Relaxation of photoconductivity is investigated in bulk GaP and GaN substrates and epitaxial layers as compared to porous GaP samples and GaN nanomembranes. Porous GaP samples with different characteristic sizes of pores ...
  • Retroreflection from Nanoporous InP 
    PRISLOPSKI, S. Ya.; NAUMENKO, E. K.; TIGINYANU, I. M.; GHIMPU, L.; MONAICO, E.; SIRB, L.; GAPONENKO, S. V. (Technical University of Moldova, 2013)
    Pronounced retroreflection behavior is reported for a fishnet nanoporous strongly absorbing semiconductor material. Retroreflection appears with diffusive specular reflection for all angles of incidence. Retroreflection ...
  • Properties of MoO3 Nanostructures Grown Via Thermal Oxidation 
    TROFIM, Viorel; CREŢU, Vasilii; LUPAN, Oleg; STAMOV, Ivan; SYRBU, Nicolae; ZALAMAI, Victor; CHOW, Lee (Technical University of Moldova, 2013)
    Metal oxides such as molybdenum oxide (MoO3) have been studied intensively as sensors and electrochromic systems during of the last decade. MoO3 nanowires present new properties at nanometer dimensions. Its structural, ...
  • Raman Spectra of TiO2 Thin Films Deposited Electrochemically and by Spray Pyrolysis 
    SHISHIYANU, S.; STRATAN, Gh.; VARTIC, V.; ZARRELLI, M.; GIORDANO, M.; RUSU, E.; SHISHIYANU, T. (Technical University of Moldova, 2013)
    In this paper we present our experimental results concerning the fabrication of TiO2 thin films by spray pyrolysis and electrochemical deposition method onto different substrates – Corning glass, Si and optical fibers. The ...
  • Evidence for the Concentration Induced Extinction of Gas Sensitivity in Amorphous and Nanostructured Te Thin Films 
    TSIULYANU, D.; MOCREAC, O.; ENACHI, M.; VOLODINA, G. (Technical University of Moldova, 2013)
    The extinction of sensitivity to nitrogen dioxide induced by high gas concentration have been observed in ultrathin tellurium films. The phenomenon becomes apparent in both continuous and nanostructured films shown by AFM, ...
  • Reliability and Mechanism of Radiation Degradation of Microeletronic Devices 
    SHISHIYANU, Teodor (Technical University of Moldova, 2013)
    This review pape is destinated to investigation the mechanism and radiation degradation of microelectroic devices whith p-n junction, including Space Solar Cells (SSC) on the base of Si, GaAs, InP, InGaP/GaAs by using ...
  • Birefringence in Anisotropic Crystals CuGa(Al)S2 and Based on Them Optical Filters 
    NEMERENCO, Lucretia; MASNIC, Alisa; MIROVSCHII, Vladimir; IVANENCO, Iurii (Technical University of Moldova, 2013)
    In uniaxial birefringence crystals are observed two refractive index of refraction (no and ne) with its dispersion curves, that can intersect for a given wavelength. Phenomenon of intersect the dispersion curves no and ne ...
  • CANopen Protocol for High Precision Ground Station Antenna Positioning 
    CANDRAMAN, Sergiu (Technical University of Moldova, 2013)
    The paper deal with high precision ground station antenna control and positioning using CANopen protocol. CANopen is designed for motion-oriented machine control networks, such as handling systems. The diagram of the antenna ...

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