Browsing 2013 by Title

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  • Preparation and characterization of gap colloidal nanoparticles and films 
    PYSHKIN, S.; RUSU, E.; IACOB, M.; URSAKI, V.; GUTSUL, T.; BALLATO, J. (Tehnica UTM, 2013)
    In this communication, we present results of investigations of the influence of technological conditions upon the properties of GaP nanoparticles produced by using a new precursor as a source of Ga atoms. The obtained ...
  • 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, ...
  • Proteases/antiproteases system in ALI/ARDS caused by polytrauma (an experimental study) 
    ARNAUT, Oleg (Tehnica UTM, 2013)
    Trauma is considered as an epidemic and remains a major medical and socio-economical problem despite of major successes in pre- and intrahospital management.ALI/ARDS is one of the most important and frequent complication ...
  • PSpice Model of Hydrogen Nanosensors and Ultraviolet Photodetectors 
    POSTICA, Vasile; CREŢU, Vasilii; LUPAN, Oleg (Technical University of Moldova, 2013)
    In this work is presented PSpice circuit models of hydrogen gas nanosensor using individual zinc oxide nanowire with fast response at room temperature and of an individual ZnO microwire-based ultraviolet (UV) photodetector. ...
  • Quality Analysis of Image Segmentation based on G-UN-MMS 
    RUSU, Mariana; TEODORESCU, Horia-Nicolai L. (Technical University of Moldova, 2013)
    We analyze the quality of segmentation of the simple segmentation algorithm based on G-UNMM representation method introduced in other papers; then, we compare the segmentation results according to the G-UN-MMs with those ...
  • Radiation of a point dipole in “spherical semiconductor quantum dot + spherical metal nanoparticle” structure (theory) 
    GERU, Ion; KORBUTYAK, Dmytro; KRYUCHENKO, Yurii (Tehnica UTM, 2013)
    A model is proposed allowing considering radiation of semiconductor quantum dot (QD) in a vicinity of metal nanoparticle (NP) as radiation of an ensemble of unit cells, from which the QD consists. It is shown that each ...
  • 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 ...
  • Rare earth activated phosphors for different applications 
    NAZAROV, Mihail (Tehnica UTM, 2013)
    For the purpose of development of highly energy-efficient light sources, one needs to design highly efficient green, red and yellow phosphors, which are able to absorb excitation energy and generate emissions. Using double ...
  • Real-time monitoring of accidental oil pollution in ground waters using an innovative transducer 
    CRETESCU, Igor (Tehnica UTM, 2013)
    The oil pollution of the environment is unfortunately very often reported not only by the Environmental Protections Agency, but also by tourists and environmental NGO. This is a serious problem for the nowadays society, ...
  • Regime of self-trapping in Bose–Einstein condensate 
    ZINGAN, Anna; KHADZHI, Pieter (Tehnica UTM, 2013)
    The dynamic of atom–molecular conversion in condition of Bose–Einstein condensate with formation of homonuclear molecule in regime of self-trapping was studied. We received the conditions of appearance of self-trapping ...
  • Relaxation of Photoconductivity and Persistent Photoconductivity in TiO2 nanotubes 
    ENACHI, Mihail; BRANISTE, Tudor; BORODIN, Eugeniu; POSTOLACHE, Vitalie (Technical University of Moldova, 2013)
    Relaxation of photoconductivity is investigated in titania nanotubes produced by electrochemical treatment of Ti foils in organic electrolytes with subsequent thermal treatment at 400 oC in air. The photoconductivity was ...
  • 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 ...
  • 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 ...
  • 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 ...
  • The role of biomedical engineers in the introduction and maintenance of health information systems 
    ZAUGG, Claudio; BUZDUGAN, Tatiana (Tehnica UTM, 2013)
    Health Information Systems (HIS) are the basis for planning, managing, and evaluating health care provision. However, many countries (both high‐ and low‐ income) face difficulties in introducing and adopting relevant ...
  • The role of methods of radiation diagnosis in detecting vascular dementia 
    SOKOLOV, V.N.; ANISHCHENKO, L.V.; ROZHKOVSKY, G.M.; TSVIGOVSKY, V. M.; DOROFEEVA, T. K.; STASIUK, Y. V. (Tehnica UTM, 2013)
    Problem of vascular dementia devoted countless works both in Russia, Ukraine and Europe (NN Yakhno.; B. Mankovsky; P.V.Chuyskaya; S.P.Markin; I.V.Damulin; M Forstein, J.Morris and all.) creates numerous scales, supposedly ...
  • Role of the dissipative organic matrix in the two-electron transfer in the dimer nanocluster 
    YALTYCHENKO, O. V.; KANAROVSKII, E. Yu. (Tehnica UTM, 2013)
    The influence of dissipative environment, such as a weak structured organic matrix, on the electron transfer kinetics in the dimer nanocluster with two electrons is theoretically investigated. The theoretical model within ...
  • Self-propelled nanotools drilling into cells and tissues 
    SANCHEZ, Samuel; XI, Wang; SOLOVEV, Alexander; SCHMIDT, Oliver (Tehnica UTM, 2013)
    We designed nanoscale tools in the form of autonomous and remotely guided catalytically and magnetically self-propelled micro- and nanotools. Asymmetrically rolled-up nanotools move in a corkscrewlike trajectory, allowing ...
  • A sensors kit for a versatile reconfigurable measuring platform 
    YAKIMENKO, Y.; BOGDAN, A.; ZAZERIN, A.; ORLOV, V.; SPIVAK, M. (Tehnica UTM, 2013)
    A new flexible, low-cost measuring platform, containing lightweight, small size and low-power intelligent ad-hoc sensors has been presented. By a sensor platform we mean one employed in monitoring changes in its surroundings. ...
  • Shapeable Magnetoelectronics 
    MELZER, Michael; MAKAROV, Denys; KARNAUSHENKO, Daniil; SCHMIDT, Oliver G. (Tehnica UTM, 2013)
    In our everyday life, we are surrounded by electronic sensing devices designed in a way to meet requirements for a certain application, which is determined primarily by their shape and size. In this respect, the natural ...

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