Browsing 2005 by Title

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  • About the green band nature in the PL spectra of ZnS:Al crystals annealed in Bi and Pb based melts 
    SUSHKEVICH, Konstantin; SOBOLEVSKAYA, Raisa; KOROTKOV, Vitalii; BRUK, Leonid; KETRUSH, Peter (Technical University of Moldova, 2005)
    The photoluminescence at 77K of ZnS and ZnS:Al single crystals annealed in the Pb, Pb+0,2wt% PbCl2, and Bi+1,5•10-3wt% Al melts was investigated. It is shown that during the annealing process in the near the surface region ...
  • About the properties of the heterostructure based on the nano scale layers (In2O3 + 5%Sn) - p – Si at the change of the gas environment 
    IL’CHENKO, V. V.; YUSHCHENKO, A. V.; GUL, R. V.; IL’CHENKO, L. G. (Technical University of Moldova, 2005)
    In this work the properties of the heterostructure (In2O3+5%Sn ) -p-Si with the mass thickness of the nano scale layer about 18 nm at the change of the gas environment from the laboratory atmosphere to the saturated vapor ...
  • Accuracy increase in determination composite number by probabilistic primality tests 
    AGAFONOV, A.; BALABANOV, A. (Technical University of Moldova, 2005)
    Accuracy increasing problem became important after there were found so-called numbers of Carmichael, and it became evident that the simplest primality test based on Fermat’s Little Theorem failed. Since then, many tests ...
  • Acoustic properties of cylindrical nanowires with the elastically dissimilar barriers 
    NIKA, Denis L.; POKATILOV, Evgenii P.; BALANDIN, Alexander A. (Technical University of Moldova, 2005)
    We have theoretically investigated the effect of the coating made of the elastically dissimilar material on the acoustic phonon properties of semiconductor nanowires. It is shown that the acoustic impedance mismatch at the ...
  • Acoustical properties of rectangular quantum heterowires with clamped outer surfaces 
    ZINCENCO, Nadejda D.; NIKA, Denis L.; Al-SABAYLEH, Moayad (Technical University of Moldova, 2005)
    We had been theoretically studied the acoustic phonon spectra and group velocities of the phonons in the rectangular GaN nanowire with clamped outer surfaces, covered with elastically dissimilar barriers. The elastic ...
  • Adaptive watermarking – two ways to define it 
    RADULESCU, Monica; IONESCU, Felicia; STOICA, Cristina; STOICA, Valentin (Technical University of Moldova, 2005)
    Digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia data in a networked environment. It makes possible to tightly associate to a digital document a code allowing the ...
  • AFM Tapping Mode Phase-Imaging of Carbon Nanotubes 
    KOCH, Thomas (Technical University of Moldova, 2005)
    In the meantime AFM-imaging of carbon nanotubes has become a usual tool to get detailed information about the samples. This work introduces some new aspects in Tapping Mode Phase Imaging that may support the proper ...
  • The Aharonov-Bohm effect in self-assembled InGaAs/GaAs quantum rings 
    FOMIN, V. M.; GLADILIN, V. N.; DEVREESE, J. T.; OFFERMANS, P.; KLEEMANS, N.; KOENRAAD, P. M.; WOLTER, J. H.; GRANADOS, D.; GARCÍA, J. M. (Technical University of Moldova, 2005)
    Based on the structural information obtained from X-STM measurements, we calculate the electron energy spectra in quantum rings (QR)s and the electron orbital magnetization as a function of the applied magnetic field. Shape ...
  • An algorithm for synthesizing a logic database schema 
    COTELEA, Vitalie (Technical University of Moldova, 2005)
    An improved algorithm for synthesizing a database schema is considered. The schema that results from this procedure is proved to be in Codd’s third normal form and to possess losslessjoin property. It produces result even ...
  • Analysis of luminescence mechanism of highly efficient yag and tag phosphors for LED’s application 
    NAZAROV, Mihail; YOON, Chulsoo (Technical University of Moldova, 2005)
    The idea of a white light emitting diode (LED) seems not to be inherently unusual or surprising. It was not until the recent successful creation of high frequency light LEDs in the blue/ultraviolet region when the white ...
  • The analysis of the financial market with use of artificial intellect 
    SCOPENCO, Andrey (Technical University of Moldova, 2005)
    In the given work analysis of technology of forecasting of the financial market is carried out. Analysis of the factors influencing the market is carried out, the possibility forecasting of exchange with use of a synthetic ...
  • The application of Microsoft’s enterprise management software "Axapta" for medium-size firms 
    MIRONOV, B.; MIRONOVA, M. (Technical University of Moldova, 2005)
    The area of Enterprise Management systems is one of most rapid growing software domain. Among such systems intended for deserving the small and medium size firms an important place occupies the software product Microsoft ...
  • Arsenic (III) oxide crystal obtained from technological waste: photoluminescence 
    BARANOV, Simion; REDWING, Joan; CINIC, Boris (Technical University of Moldova, 2005)
    Arsenic (III) oxide was obtained from vapor stream at processing technological waste in manufacturing of the gallium arsenide epitaxial structure. It has a cubic crystal structure, elementary cell a=11.05(4)Ǻ, Fd3m space ...
  • Art neural networks for brain pathology diagnosis 
    LORCHENKOV, Alexandr (Technical University of Moldova, 2005)
    The present paper is devoted to the questions of the electroencephalograms (EEG) classification. The main objective of the work is ART Neural Network method as applied to the EEG clustering. The first section reviews the ...
  • The aspect-oriented development of concurrent systems 
    BEŞLIU, Victor; CIORBA, Dumitru; CHRONOPOULOS, Anthony T. (Technical University of Moldova, 2005)
    The concurrent systems have some functionality that are not or cannot be localized in separate structural units because of classic approach of abstractization and modulation. This is realized through system’s components, ...
  • Aspects of distributed computing using bluetooth networks 
    FĂRTĂŢESCU, Bogdan Ioan (Technical University of Moldova, 2005)
    This paper will focus on the possibility of distributed computing over a Bluetooth network. In the paper two experiments will be presented, one for a low computationalapplication and one for a high computational application. ...
  • Aspects of image transmission on the governemental communications systems 
    RĂCUCIU, Ciprian; DOCHIŢOIU, Constantin; JULA, Nicolae; PEARSICĂ, Marian (Technical University of Moldova, 2005)
    Data security became a very important problem in our days. For this reason the algorithms involved get faster and more resistant to cryptographic attacks. Because of the improvement of the channels, images are more often ...
  • Autler–townes effect on the excitons and biexcitons in semiconductors 
    KHADZHI, P. I.; NADKIN, L. Yu.; TKACHENKO, D. V. (2005)
    The behavior of the semiconductor dielectric susceptibility under the stationary action of a strong laser pulse in the range of M–band of luminescence and the test pulse in the exciton range of spectrum is investigated. ...
  • Automatic error correction in text 
    BOBICEV, Victoria; POPESCU, Anatol; ZIDRAŞCO, Tatiana (Technical University of Moldova, 2005)
    Letter sequence statistics in text is used to solve many text processing tasks. One of the most difficult tasks is automatic error correction in text. Errors appear in the text when it is either typed or scanned. Four types ...
  • Bist logic design for a reduced model of 3–coupling faults in random–access memories 
    CAŞCAVAL, Petru (Technical University of Moldova, 2005)
    A logic design for a built-in self-testing implementation of a march test able to cover a reduced model of 3–coupling faults in n 1 random–access memories (RAMs) is discussed. The logic design is focused on the march ...

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