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  • Hybrid folded phonons in twisted graphene 
    NIKA, D. L.; COCEMASOV, A. I.; BALANDIN, A. A. (Technical University of Moldova, 2015)
    We theoretically investigated phonon dispersion and specific heat in AA-stacked, AB-stacked and twisted bilayer graphene with various rotation angles. Twisting bilayer graphene leads to emergence of new phonon branches – ...
  • Hybrid lesson - a reality between two extremes 
    MAFTEI, Vitalie; CEBAN, Gheorghe; ŢURCAN, Ana (Technical University of Moldova, 2021)
    This article aims to analyse the essence, the specifics and the importance of the technical means that are used and applied in a hybrid lesson. Also, the arguments of the implementation of the hybrid model for full and ...
  • Hybrid nanostructures superconductor-ferromagnet for superconducting spintronics 
    SIDORENKO, A. S.; MORARI, R. A.; BOIAN, V.; PREPELITSA, A. A.; ANTROPOV, E. I.; SAVVA, Yu. B.; FEDOTOV, A. Yu.; SEVRYUKHINA, O. Yu.; VAKHRUSHEV, A. V. (IOP Publishing, 2021)
    The work is devoted to the study of the processes of formation of multilayer nanostructures, their vacuum deposition, and the manufacture of a novel functional element of spintronics - superconducting spin valve, which is ...
  • Hybrid Petri Nets a Framework for Hybrid Systems Modeling 
    DRIGHICIU, Mircea Adrian (Institute of Electrical and Electronics Engineers, 2017)
    The purpose of this paper is to present the achievement of the Hybrid Petri Nets techniques used for modeling and behavioral analysis of a class of hybrid systems. In our sense, a dynamic hybrid system contains at least ...
  • Hybrid project planning and control models 
    BOTNARU, Marcela; ȚURCANU, Nicolae (Universitatea Tehnică a Moldovei, 2020)
    The analysis of project planning methods, Gantt chart, Cyclogram, matrix and network chart, their advantages and disadvantages generated the hypothesis that it may be a new model that would lack the disadvantages of the ...
  • Hybrid stochastic Petri nets with matrix attributes for modeling of discrete-continuous process 
    GUŢULEAC, Emil; ZAPOROJAN, Sergiu; GÎRLEANU, Ion; CĂRBUNE, Viorel (Technical University of Moldova, 2016)
    This paper introduces a new class of hybrid stochastic Petri nets (called HSMN) with marked-controlled matrix attributes which allow high flexibility in describing the discretecontinuous processes dynamics of hybrid systems. ...
  • A Hybrid System Implementation for Residential Cluster 
    SIMA, Catalina Alexandra; LAZAROIU, George Cristian; DUMBRAVA, Virgil; TIRSU, Mihai (Institute of Electrical and Electronics Engineers, 2017)
    In the current situation, when conventional energy based on fossil fuel combustion are polluting and time-limited, there is an increasing emphasis on the exploitation of nonpolluting renewable sources. At both global and ...
  • Hybrid wind turbine with vertical axis 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; DUMITRESCU, Cătălin; CIOBANU, Oleg; CIOBANU, Radu; RABEI, Ivan; GUȚU, Marin; CIOCĂNEA, Adrian; MAICAN, Edmond; RĂDOI, Radu; ȘEFU, Ștefan (Romanian Inventors Forum, 2021)
    The invention relates to energy, namely to hybrid wind turbines with vertical axis and can be used to transform wind energy into electricity.
  • Hybrid wind turbine with vertical axis 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; DUMITRESCU, Cătălin; CIOBANU, Oleg; CIOBANU, Radu; RABEI, Ivan; GUȚU, Marin; CIOCĂNEA, Adrian; MAICAN, Edmond; RADOI, Radu; ȘEFU, Ștefan (Technical University "Gheorghe Asachi" of Iași, 2021)
    Invențiile se referă la energie, și anume la turbine eoliene hibride cu axă verticală și poate fi utilizată pentru a transforma energia eoliană în electricitate. Turbina eoliană hibridă cu axă verticală conține un turn ...
  • Hybrid Wireless Vehicular Communications and Information Technologies for Vehicle Safety and Driver Assistance 
    DIMIAN, Mihai; CĂILEAN, Alin; ZADOBRISCHI, Eduard; COSOVANU, Lucian; BEGUNI, Cătălin; AVĂTĂMĂNIŢEI, Sevastian (Technical University of Moldova, 2022)
    This presentation follows the main challenges and research directions in the area of hybrid wireless vehicular communications and the progress made in our research group in developing wireless communication systems for ...
  • Hybridization of Zinc Oxide Tetrapods for Selective Gas Sensing Applications 
    LUPAN, O.; POSTICA, V.; GRÖTTRUP, J.; MISHRA, A. K.; DE LEEUW, N. H.; CARREIRA, J. F. C.; RODRIGUES, J.; BEN SEDRINE, N.; CORREIA, M. R.; MONTEIRO, T.; CRETU, V.; TIGINYANU, I.; SMAZNA, D.; MISHRA, Y. K.; ADELUNG, R. (American Chemical Society, 2017)
    In this work, the exceptionally improved sensing capability of highly porous three-dimensional (3-D) hybrid ceramic networks toward reducing gases is demonstrated for the first time. The 3-D hybrid ceramic networks are ...
  • Hydrodynamic rotor with reduced turbulent of water currents for flow SHP 
    BOSTAN, Ion; GRAUR, Adrian; DULGHERU, Valeriu; BOSTAN, Viorel; SOCHIREANU, Anatol; CIOBANU, Oleg; CIOBANU, Radu; GLADÎŞ, Vitalie (Romanian Inventors Forum, 2013)
    Hydrodynamic rotors provides kinetic energy conversion of river water into mechanical or electrical energy without building barrages. Increased efficiency is provided by blades aerodynamic profile and their optimum position ...
  • Hydrodynamic rotors with modified profile NACA for flow SHP 
    BOSTAN, Ion; GRAUR, Adrian; DULGHERU, Valeriu; BOSTAN, Viorel; SOCHIREANU, Anatol; CIOBANU, Oleg; CIOBANU, Radu; GLADÎŞ, Vitalie (Romanian Inventors Forum, 2012)
    Hydrodynamic rotors provides kinetic energy conversion of river water into mechanical or electrical energy without building barrages. Increased efficiency is provided by blades aerodynamic profile and their optimum position ...
  • Hydrogels Based on Collagen and Dextran for Bioartificial Tissues 
    BUTNARU, M.; LUCACI, A. M.; COSMAN, B. P.; VERESTIUC, L. (Tehnica UTM, 2019)
    Hydrogels are crosslinked polymeric networks with a large number of hydrophilic domains. They can expand in numerous solvents and aqueous environments without dissolving owing to the chemical or physical bonds formed between ...
  • Hydrogen detection by individual Pd-modified ZnO nanowire 
    LUPAN, Oleg; PAUPORTÉ, Thierry; POSTICA, Vasile; VIANA, Bruno; ADELUNG, Rainer; CHOW, Lee; TIGINYANU, Ion (Technical University of Moldova, 2017)
    In this work an individual Pd-modified ZnO nanowire (Pd/ZnO NW) was integrated into a nanosensor device using focused ion beam (FIB)/scanning electron microscopy (SEM) system. The Pd/ZnO arrays were synthesized by ...
  • Hydrogen detector based on GaN nanocones 
    POPA, V.; VOLCIUC, O.; SONTEA, V.; TIGINYANU, I. M. (Technical University of Moldova, 2005)
    In this paper, we demonstrate that using GaN nanocone morphology obtained by photo electrochemical etching, it is possible to obtain very stable and easy in manufacturing gas sensors, in particular for hydrogen detection.
  • Hydrogen Gas Response of Zn1 – xAgxOy and Cu1 – xZnxOy Nanostructured Films 
    CRETU, V.; POSTICA, V.; ABABII, N.; SONTEA, V.; LUPAN, O. (Sumy State University, 2014)
    Detection of hydrogen gas in industry, biomedical systems and combustion systems is important for safety reasons. Silver doping in zinc oxide and zinc doping in copper oxide were investigated to obtain improved hydrogen ...
  • Hydrogen Gas Sensor Based on Nanograined Pd/α-MoO3 belts 
    CRETU, V.; POSTICA, V.; STOIANOV, D.; TROFIM, V.; SONTEA, V.; LUPAN, O. (Tehnica UTM, 2015)
    In this work, a simple and cost-effective method for nanostructurization of α-MoO3 micro-belts by using an aqueous solution of PdCl2 is reported. Obtained nanograined Pd/α-MoO3 belts, with 70-80 nm average diameters of ...
  • Hydrogen sensing behavior of tellurium thin films studied by A.C. measurements 
    TSIULYANU, Dumitru; MOCREAC, Olga (Engineering Society for Corrosion, Belgrade, Serbia, 2013)
    For the first time it is pointed out that tellurium films exhibit sensitivity to H2 at room temperature along with sensitivity to NO2. The hydrogen gas sensing performance of tellurium thin films was investigated by method ...
  • Hydrogen vehicle 
    MALEARCIUC, Mihail (Universitatea Tehnică a Moldovei, 2021)
    The aim of this article is to highlight the interest in hydrogen as an alternative transportation fuel systems and its ability to power fuel cells in zero-emission FCEVs, its potential for domestic production, its fast ...

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