IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Conferinţa "Microelectronics and Computer Science" by Title

Browsing Conferinţa "Microelectronics and Computer Science" by Title

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  • Exciton Spectra of CuAlS2 and CuAlSe2 Crystals 
    SYRBU, N. N.; URSAKI, V. V.; DOROGAN, A.; GALBIC, I.; KORZUN, B. V.; FADZEYEVA, A. A.; MIANZELEN, R. R. (Technical University of Moldova, 2009)
    The reflectivity exciton spectra are researched for CuAlS2 and CuAlSe2 crystals at 10K. The chipping values were calculated caused by the crystal field and spin-orbital interaction of valence zones. There have been estimated ...
  • Exciton-phonon spectra in CuIn1-XGaXS2 crystals 
    NEMERENCO, L. L. (Technical University of Moldova, 2005)
    In this work, the wave-length derivative reflection (WDR) spectra of CuIn1-xGaxS2 crystals have been investigated in the region of A, B and C series. The n = 1, n = 2 and n = 3 states are determined and centers of exciton ...
  • Excitonic luminescence of the tungsten disulfide crystals intercalated with halogen molecules 
    DUMCHENKO, Dmitry (Technical University of Moldova, 2005)
    The radiative recombination in the layered disulfide transition metal dichalcogenide compounds 2H-WS2:I2 and 2H-WS2:Br2 has been investigated. It is shown that the strong photoluminescence (PL) of these indirect band gap ...
  • Extracţia cavitaţională 
    DUMITRAS, Petru; BOLOGA, Mircea; CUBRIŢCAIA, Tatiana; BALAN, Gheorghe; STÎNGACI, Eugenia (Technical University of Moldova, 2017)
    În lucrare sunt prezentate cercetările experimentale privind tratarea cavitaţională ultrasonoră a seminţelor de tomate nefărămiţate în soluţia apă-alcool 70%. După tratarea cavitaţională compoziţia obţinută a fost supusă ...
  • Extragerea fracțiilor proteice la procesarea electrofizică a zerului 
    BOLOGA, M.; VRABIE, E.; STEPURINA, T.; VRABIE, V.; ILIASENCO, O.; PALADII, I.; SPRINCEAN, C.; POLICARPOV, A.; GONCIARUC, V. (Technical University of Moldova, 2017)
    Procesarea electrofizică a zerului reprezintă o metodă avansată, ce se bazează pe activarea electrochimică a mediilor disperse și prevede electrofracționarea zerului cu obţinerea concentratelor proteice minerale (CPM) și ...
  • Fabrication and characterization of flexible composite material based on Aerographite/InP micro-nanostructures 
    PLESCO, Irina; STROBEL, Julian; SCHÜTT, Fabian; GORCEAC, Leonid; CINIC, Boris; HIMCINSCHI, Cameliu; MISHRA, Yogendra Kumar; KIENLE, Lorenz; ADELUNG, Rainer; TIGINYANU, Ion (Technical University of Moldova, 2017)
    The goal of this work is to extend the class of flexible hybrid nanomaterials based on aerographite scaffolds. For this purpose, we developed the technological conditions for the deposition of InP:Zn micro- and nanostructures ...
  • Fabrication of Porous Nanostructures by Design 
    MONAICO, Eduard; MONAICO, Elena; URSAKI, Veaceslav; TIGINYANU, Ion (Technical University of Moldova, 2017)
    We report on the application of special design of masks for the purpose of electrochemical etching of InP single crystals which enables one to change in a controlled fashion the direction of propagation of pores, including ...
  • 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 ...
  • A fast vector quantization image encoding using Tchebichef moments 
    BELDIANU, Spiridon Florin (Technical University of Moldova, 2005)
    The codeword searching sequence is sometimes vital to the efficiency of a VQ encoding algorithm. In this paper, we present a fast encoding algorithm for vector quantization that uses Tchebichef moments of an image block ...
  • 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 ...
  • Features of luminescence in semiconductor quantum wires in external electric and magnetic fields 
    SINYAVSKY, Elerlange; KOSTYUKEVICH, Nina (Technical University of Moldova, 2017)
    The interband optical transitions in quantum wires in a model of a parabolic potential in an electric and magnetic field directed perpendicular to the nanowire axis are studied theoretically. The frequency dependences of ...
  • 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 ...
  • Fiber Optic Speckle Interferometry for Intrusion Monitoring Systems 
    CULEAC, I.; BORSCIOV, V.; VERLAN, V.; COJOCARU, I.; IOVU, M.; CIORNEA, V.; BUZDUGAN, A. (Technical University of Moldova, 2017)
    A speckle based fiber-optic technique for perimeter intrusion-monitoring systems is discussed. The method is based on the effect of variation of the speckle pattern in the far-field of a multimode fiber. Computer processing ...
  • 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 ...
  • Flux flow in superconducting MgB2 films 
    KOCH, Thomas (Technical University of Moldova, 2005)
    In this work the experimental investigation of the resistive transitions broadening for magnesium diboride films and their microstructure is reported. The MgB2 films were prepared by dc-magnetron sputtering. To explore the ...
  • The forming of serviceability’s estimation parameters of nonlinear executive devices 
    POPESCU, Anatol; BESETEA, Anatol; BALAN, Iurie (Technical University of Moldova, 2005)
    The efficient condition of technical devices (TD) assumes these devices’ performance of set functions, keeping key parameters (KP) within the limits, established by normative and technical documentation. When defining the ...
  • FPGA - based implementation of safe Petri nets models 
    ABABII, V.; SUDACEVSCHI, V. (Technical University of Moldova, 2005)
    In this paper a hardware implementation method of Safe Petri Nets (SaPN) models is proposed. Mapping of SaPN models into FPGA is based on creating of the connections between selected functional elements places P and ...
  • Functional aspects in the design for testability. 
    COJOCARU, Ion; EŞANU, Mariana (Tehnica UTM, 2014)
    Addressing Design for testability of digital structures requires performing complex studies of phenomena at the frontiers of scientific directions as mathematical logic, physics, chemistry, biology. Half a century passed ...
  • Fuzzy controller for hand prosthesis 
    CHIVU, Catrina (Technical University of Moldova, 200)
    The present paper presents a fuzzy controller for the DC motor. This motor was designed starting from the idea that it will actuate hand prosthesis. Simulation of the motor and fuzzy controller was done using Delphi ...

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