Browsing 2011 by Title

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  • Data Encryption algorithms in C# language, based on bitwise “XOR” operator 
    KULEV, M.; PERSIANOV, S. (Technical University of Moldova, 2011)
    Nowadays the Internet has a huge importance in people’s lives. It offers a lot of possibilities, such as: e-commerce, mailing, chatting, data transfer, etc. All this methods of communication are not secured, because Ethernet ...
  • Dataflow programming using Qt framework 
    BALICA, Ana; KULEV, Mihail; VIRTOSU, Sava (Technical University of Moldova, 2011)
    As an alternative to the expensive operating systems and miscellaneous applications there exist open source communities that afford all their products for free. Moreover anyone can contribute to the development of ...
  • Definirea semanticii propoziţiei în limbaj natural 
    POPESCU, Anatol; CREŢU, Sergiu (Technical University of Moldova, 2011)
    This study represents a research concerning the principles and methods of elaboration of an interface in natural language (NL) for informational systems. When we say interpretation of texts in a NL, we mean the process of ...
  • Detection in the contacts with bismuth-antimony alloy when the surface states are in dynamic regime 
    KERNER, Iacov (Technical University of Moldova, 2011)
    Diode detectors (DD) are widely used in electronic information and communication systems. In this paper the numerical modeling of the electrical potential distribution and current passing in the contacts of niobium nitride ...
  • Determinarea proceselor în unele sisteme cu parametri distribuiţi şi control discret impulsiv 
    CEBAN, Gheorghe; BALMUS, Ion; MELNIC, Radu (Technical University of Moldova, 2011)
    Este propusă o metodă de determinare a proceselor în sisteme cu dirijare automată de tip hiperbolic cu parametri distribuiţi şi control discret impulsiv (SPD) pentru care partea continuă poate fi interpretată în formă de ...
  • Developing games in C language using allegro.h graphics and sounds library 
    DVORAC, Alexei; KULEV, Mihail (Technical University of Moldova, 2011)
    The DTT (“Destroy the Tower”) software is a simple 2D game created using DEV-C++ IDE and the allegro.h ibrary. This project shows the basic possibilities of the previously mentioned graphics and sounds library, as well as ...
  • Development of a game software using the “Processing” language 
    BEŞLIU, Sergiu; KULEV, Mihail (Technical University of Moldova, 2011)
    The game software was developed as a course work assignment in my “Data Structures and Algorithms” class using the “Processing” language and based upon the principles of Object-Oriented Programming.
  • Development of Industry of Renewable Ecological Solar Autonomous Energy Station (Photovoltaic) 
    CHEIBASH, Victor (Technical University of Moldova, 2011)
    Republic of Moldova is located in zone of high Solar Energy. In the South – East part of Europe only Republic of Moldova have a semiconductor technology to production the Solar Cells on Gallium Arsenide (GaAs) crystals (by ...
  • Deviations from Wiedemann-Franz law in quasi-one-dimensional organic crystals 
    CASIAN, Anatolie; BALMUS, Ion; DUSCIAC, Viorel (Technical University of Moldova, 2011)
    The physical reasons that lead to deviations from the Wiedemann-Franz law in low-dimensional organic crystals with electronic type conduction are investigated. The kinetic coefficients were modeled as functions of Fermi ...
  • Difracţia luminii. Experiment numeric asistat de calculator 
    BALMUŞ, Nicolae; ANDRONIC, Ion (Technical University of Moldova, 2011)
    In lucrare se propune un algoritm de tip Monte Carlo pentru studierea asistată de calculator a fenomenului de difracţie a luminii de la diferite aperturi. Rezultatele experimentului numeric se compară cu imagini obţinute ...
  • Digital Systems Design Based on Hard Petri Nets Models 
    SUDACEVSCHI, Viorica; ABABII, Victor (Technical University of Moldova, 2011)
    This paper describes the digital systems synthesis based on direct mapping of Petri nets model into FPGA circuit. A design flow that includes the specification of the system using Synchronous Petri Nets, verification of ...
  • Dispozitiv de testare a reţelelor locale de calculatoare 
    GÎSCĂ, Vasile; ILIEV, Alexei (Technical University of Moldova, 2011)
    În lucrarea dată este descris un dispozitiv cu ajutorul căruia poate fi efectuată depanarea reţelelor locale de calculatoare şi verificarea mediului de transmitere a datelor în reţea. Dispozitivul este proiectat în baza ...
  • E-learningul şi tehnologiile multimedia 
    SAVA, Nina (Technical University of Moldova, 2011)
    Lucrarea de faţă abordează principalele deosebiri dintre învăţămîntul virtual şi cel tradiţional. Tot aici se determină rolul tehnologiilor multimedia ce au dus la apariţia e-learningului.
  • ECG Modeling by 3D Visual Membrane Petri Nets 
    PROFIR, Aurelia; DAMASCHIN, Roman; PREPELITA, Laura (Technical University of Moldova, 2011)
    We propose a 3D visual membrane Petri nets model of 1, 2, 3-leads electrocardiogram (ECG). This model is a part of the integrated Patient-specific model created by 3D VMPN software tool. Examples of 1, 2, 3-leads ECG are ...
  • Economia ca suport inovaţional pentru dezvoltarea ştiinţei 
    BARANOV, Simion; CHEBAŞ, Victor (Technical University of Moldova, 2011)
    This report represents a concise analysis of the applicative science management in the planned economy and its changes to the market economy during 20 years of transition, based on historic data of scientific research ...
  • Efectul fotovoltaic şi caracteristicile celulelor solare cu P-N jocţiune radială în nanofire 
    CANŢER, V.; DRAGUTA, S. (Technical University of Moldova, 2011)
    Un nou model de celula solară format dintr-o retea de nanofire dens aranjate, unde fiecare nanofir dispune o jonctiune p-n în directie radială, si sînt orientate paralel cu direcţia de propagare a luminii, duce la separarea ...
  • Effect of cadmium doping on some properties of glass-insulated bismuthbased microwires 
    MEGLEI, D.; DYNTU, M. (Technical University of Moldova, 2011)
    The results show the possibility of using microwires of cadmium doped bismuth as a magnetic field sensor. The technique of preparation of microresistors using the studied microwires is proposed; these microresistors have ...
  • Electrochemical Nanostructuring of CuInS2 Bulk Crystals 
    MONAICO, Eduard; URSAKI, Veaceslav; ZALAMAI, Victor; MASNIK, Alisa; SYRBU, Nicolae; BURLACU, Alexandru (Technical University of Moldova, 2011)
    We show that chalcopyrite CuInS2 crystals can be nanostructured by electrochemical treatment in an aqueous HCl solution. In order the crystals to become suitable for electrochemical nanostructuring they are subjected to ...
  • Empirical Linearly- Hyperbolic Approximation of the I-V Characteristic of the p–n Junction Devices 
    PENIN, Alexandr; SIDORENCO, Anatolie (Technical University of Moldova, 2011)
    Empirical linearly-hyperbolic approximation of the I-V characteristic of diodes and solar cell is presented. This approximation is based on hyperbolic dependence of a current of the p–n junctions on voltage for large ...
  • Energy Transfer in Organic Luminophore Nanocomposites 
    VERLAN, V.; ANDRIESH, A. M.; CULEAC, I.; POPUSHOI, A.; DRAGALIN, G.; BARBĂ, N.; BUZURNIUC, S.; MALAHOV, L. (Technical University of Moldova, 2011)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the poly-N-vinylpirrolidone has been used. As organic luminophore matertials new compound from izotiocianatopropenone ...

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