Browsing Articole ştiinţifice by Title

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  • Descriptive Timed Membrane Petri Nets for Modelling of Parallel Computing 
    GUŢULEAC, Emilian (CCC Publications, R & D Agora, 2006)
    In order to capture the compartmentation and behaviour of membrane systems for modelling of parallel computing, we introduce the descriptive dynamic rewriting Descriptive Membrane Timed Petri Nets (DM-nets) that can at in ...
  • Descriptive timed membrane Petri nets for performance modelling of parallel and distributed computing 
    GUŢULEAC, Emilian; BALMUŞ, Ion; ŢURCANU, Iurie; GUŢULEAC, Emilia (Stefan cel Mare University of Suceava, Romania, 2006)
    In order to capture the compartmentalization and the behaviour of membrane systems for performance modelling of parallel and distributed computing, we introduce the Descriptive Timed Membrane Petri Nets (DM-nets) that can ...
  • Desenul – o artă liniară 
    ZAGAEVSCHI, Elena; ZAGAEVSCHI, Arina (Authentication and Conservation of Cultural Heritage. Research and Technique, Iași, 2024)
    Chiar designerii specialiști necesită în primul rând să fie artiști. În timp ce inginerii au cerințe și criterii fixe, designerii se bazează pe filosofia obiectelor de bază în interior. Scopul disciplinei este formarea ...
  • Design & Development of a Cyber Security Conceptual Framework for Higher Education Institutions in the Republic of Moldova 
    ALEXEI, Arina (Scientific Cyber Security Association (SCSA), 2022)
    This scientific paper reflects the results of research, which aimed to develop a Cyber Security Conceptual Framework for Higher Education Institutions in the Republic of Moldova, to increase cyber security in academic e ...
  • Design and Characterization of Novel Focusing Elements Based on Photonic Metamaterials 
    TIGINYANU, I. M.; FOCA, E.; SERGENTU, V. V.; URSAKI, V. V.; DASCHNER, F.; KNÖCHEL, R.; FÖLL, H. (American Scientific Publishers, 2009)
    New results in the development of photonic metamaterials based on two dimensional periodic dielectric structures are reported. We show that concave and flat lenses consisting of homogeneous or inhomogeneous dielectric rods ...
  • Design and Manufacturing Method of GFRP Blades for Vertical Axis Wind Turbine 
    BERE, Paul; CIOBANU, Radu; CIOBANU, Oleg; GUȚU, Marin (IOP Publishing, 2021)
    Today, environmental protection and the rational use of natural resources have become growing challenges. One of these aspects is energy producing with less impact on the environment. For some applications the small wind ...
  • Design and maskless fabrication of ultrathin suspended membranes of GaN 
    TIGINYANU, I. M.; POPA, V.; STEVENS-KALCEFF, M. A.; GERTHSEN, D.; BRENNER, P.; PAVLIDIS, D. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2012)
    We report the maskless fabrication of ultrathin suspended GaN membranes designed by focused ion beam treatment of the GaN epilayer surface with subsequent photoelectrochemical etching. This technological approach allows ...
  • Design and optimization of InGaAs/InP photodetector for coordinate sensitive detection systems 
    PURICA, M.; BUDIANU, E.; GROZESCU, I.; RUSU, E.; SLOBODCHIKOV, S. V. (IEEE, 2001)
    The quadrant p-i-n photodiode and the position sensing detector based on the longitudinal photo-effect are the most suitable photodetector structures for coordinate sensitive detection systems. The optimization of a quadrant ...
  • Design de mediu. Știință și practică 
    PLATON, Liliana (Universitatea Liberă Internaţională din Moldova, 2021)
    This work proposes a theoretical and practical study of environmental design. The aesthetic image in design is created by involving several special mechanisms that ensure the integrity of the design concept. The study ...
  • Design interior: stilul Wabi-Sabi 
    MIȘANOVSCHI, Dan (Academia de Științe a Moldovei, 2022)
    A aprecia frumusețea vieții așa cum o fac japonezii înseamnă a iubi naturalețea, a nu aștepta momentul perfect și a căuta frumusețea cu toate simțurile. Orientul este o chestiune delicată, iar Japonia cu atât mai mult. ...
  • Design of adapted functional products based on the anthropomorphological particularities of premature children 
    DANILA, Victoria; CURTEZA, Antonela; BALAN, Stela (Editura Universităţii din Oradea, 2020)
    The article presents the results of studies on the analysis of anthropomorphological features of premature babies and aspects related to the design of clothing for premature babies in the intensive care unit. The aim of ...
  • Design of data acquisition system for environmental sensors manufactured in LTCC technology 
    SIRETEANU, Mariana; IAVORSCHI, Anatolie; LIBU, Manjakkal; JOSÉ, Francisco; BLANCO, Villalba (IEEE, 2014)
    In this paper a new architecture of a continuous sensors monitoring system based on charge amplifier and ARM microcontroller is proposed. In particular the electrical circuit, the schematic of a double system monitoring ...
  • Design of negative-refractive-index materials on the basis of rods with a gradient of the dielectric constant 
    SERGENTU, V. V.; URSAKI, V. V.; TIGINYANU, I. M.; FOCA, F.; FÖLL, H.; BOYD, Robert W. (American Institute of Physics, 2007)
    The authors propose an approach to the design of negative-refractive-index materials based on the use of dielectric rods with a gradient of the dielectric constant. A triangular-lattice photonic crystal assembled from ...
  • Design of New Nonlinear Optical Materials Based on Porous III–V Compounds 
    TIGINYANU, I. M.; KRAVETSKY, I. V.; MAROWSKY, G.; MONECKE, J.; HARTNAGEL, H. L. (John Wiley & Sons, Inc, 2000)
    Bulk and porous membranes of gallium phosphide have been characterized by optical second harmonic generation (SHG) technique using a 1064 nm pump beam. The porous membranes prove to exhibit an enhanced SHG in comparison ...
  • Design of Separately Windings Control System of Series/Compound DC Traction Motors 
    NUCA, Ilie; IZMANĂ, Ion; ESANU, Vitalie; MOTROI, Alexandru (University of Craiova, 2018)
    This paper focuses on the problem of the control system of Series/Compound DC motor in both areas of speed adjustment. Traditional field weakening is achieved by means of resistances and contactors wich inserting and/or ...
  • Design of the optoelectronic computer systems for image processing in stationary and dynamic modes 
    PERJU, Veacheslav L.; CASASENT, David P. (SPIE, 2004)
    The theory of designing the optical-electronic image processing computer systems has been presented. A model of parallel image processing system has been considered, that is based on the principle of function decomposition. ...
  • Design of the real time systems using temporal logic specifications: a case study 
    URSU, A.; DUBENETSKY, V.; GRUITA, G. (Institute of Mathematics and Computer Science, 1996)
    An implementation method for real time systems is proposed in this article. The implementation starts with the design of the functional specifications of the systems behaviour. The functional specifications are introduced ...
  • Design of the Sequential System Automata using Temporal Equivalence Classes 
    URSU, A.; GRUITA, G.; ZAPOROJAN, S. (Institute of Mathematics and Computer Science, 1997)
    A design method of sequential system automata using temporal logic specifications is proposed in this paper. The method is based on well-known Z.Manna and P.Wolper temporal logic satisfiability analysis procedure and is ...
  • Design of titania nanotube structures by focused laser beam direct writing 
    ENACHI, Mihai; STEVENS-KALCEFF, Marion A.; SARUA, Andrei; URSAKI, Veaceslav; TIGINYANU, Ion (AIP Publishing LLC, 2013)
    In this work, we report on electrochemical fabrication of titania films consisting of nanotubes (NTs) and their treatment by focused laser beam. The results of sample characterization by optical and scanning electron ...
  • Design of titania nanotube structures by focused laser beam writing 
    ENACHI, Mihai; SARUA, Andrei; STEVENS-KALCEFF, Marion; TIGINYANU, Ion; GHIMPU, Lidia; URSAKI, Veaceslav (IEEE, 2013)
    Matrices of titania nanotubes (TiO 2 NTs) have been prepared by anodization of Ti foils in ethylene glycol based electrolyte. These matrices were subjected to annealing at various temperatures or exposed to a focused laser ...

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