Browsing Articole ştiinţifice by Title

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  • Leibniz dynamics with time delay 
    ALBU, Ion Doru; OPRIŞ, Dumitru (Cornell University, 2005)
    In this paper we show that several dynamical systems with time delay can be described as vector fields associated to smooth functions via a bracket of Leibniz structure. Some examples illustrate the theoretical considerations.
  • Levures à vin en panification 
    STURZA, R.; DESEATNICOV, O.; SUBOTIN, Iu. (Alma Mater Publishing House – "Vasile Alecsandri" University, Bacau, 2003)
    Fermentation is an important stage in the formation of volatile substances which determine aroma and taste of bread. The use of wine leaven in bread baking could contribute to enrichment of the aroma of bread, but this ...
  • Libertatea economică – condiţie primordială de satisfacere a nevoilor umane 
    GOROBIEVSCHI, Svetlana (Universitatea Liberă Internaţională din Moldova, 2010)
    In this article the author defines the concept of economic freedom, describes its components and assessing at global and national level. Perform the comparability of economic freedom in Moldova with the UE countries. How ...
  • Lifetime distributions and their approximation in reliability of serial/parallel networks 
    LEAHU, Alexei; ANDRIEVSCHI-BAGRIN, Veronica (Universitatea „Ovidius” Constanţa, 2020)
    In this paper we present limit theorems for lifetime distributions connected with network's reliability as distributions of random variables(r.v.) min(Y1,Y2,...,YM) and max(Y1,Y2,...,YM), where Y1,Y2,..., are independent, ...
  • Light Absorption and Hyper-Raman Scattering by Many-Electron Complexes in Quantum Well Structures 
    BOBRYSHEVA, A. I.; RUSSU, S. S.; ZALOI, V. A. (John Wiley & Sons, Inc., 1988)
    It is shown that in GaAs/AlxGa1-xAs multiple-quantum well structures bihole formation is possible. Also the main features of biexciton hyper-Raman scattering are established.
  • Light emission in ZnO nanostructures 
    ZALAMAI, V. V. (Institutul de Fizică Aplicată, AŞM, 2018)
    Zinc oxide is a wide gap semiconductor material on his base are produced white and blue LED and lasers. Also zinc oxide is perspective and promising material for application in optoelectronics, nanoelectronics, photonics, ...
  • Light-Induced Motion of Microengines Based on Microarrays of TiO2 Nanotubes 
    ENACHI, Mihail; GUIX, Maria; POSTOLACHE, Vitalie; CIOBANU, Vladimir; FOMIN, Vladimir M.; SCHMIDT, Oliver G.; TIGINYANU, Ion (Wiley-VCH GmbH, Weinheim, 2016)
    An electrochemical approach for manufacturing light-driven nanostructured titanium dioxide (TiO2) microengines with controlled spatial architecture for improved performance is reported. The microengines based on microscale ...
  • Linguistic automaton today 
    IGNATIEVA, Maria; CHIZHAKOVSKY, Valentine; POPESCU, Anatol; PIOTROWSKI, Rajmund (Institute of Mathematics and Computer Science, 1994)
    Over the last thirty years the long range goal of the research project of the Speech Statistics (Sp.St.) international group is to develop and implement in computer simulation psycholinguistically realistic model of language ...
  • Lipide fortification – a way of decreasing the risk of iodine deficiency diseases 
    HARITONOV, Svetlana; STURZA, Rodica (Academia de Ştiinţe a Moldovei, 2005)
    The objectives of this work are researches for obtaining iodized oil that would satisfy the requirements of body in iodine. The sunflower seed oil is a product with the most important value, thus the production of oil ...
  • Liquid-phase epitaxy of AlGaAs heterostructures on profiled substrates 
    ANDREYEV, V. M.; EGOROV, V. V.; SYRBU, A. V.; TROFIM, V. G.; YAKOVLEV, V. P. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 1980)
    A method of fabrication of planar local structures using the selective epitaxial growth of GaAs and AIGaAs layers from liquid phase on profiled GaAs substrates was developed. The planar regrowth of the recesses formed in ...
  • Lithium-Air Batteries 
    BĂJENESCU, Titu-Marius I. (Electra Publishing House, 2018)
    Batteries with high specific energy densities increasingly attract attention as potential energy sources for electric vehicles (EV). Lithium-air batteries are the most promising system because of their theoretical specific ...
  • lntraband and interband relaxation of excitonic polaritons 
    PEVTSOV, A. B.; SEL'KIN, A. V.; SYRBU, N. N.; URNANETS, A. G. (Russian Academy of Sciences, 1985)
    A well-defined doublet structure due to polariton emission has been found in the spectra of resonance exciton luminescence emitted by the black modification of ZnP, crystals at T = 2 K. The shape of the spectra is analyzed ...
  • Loading rate dependent relaxation under indentation of borophosphate glass 
    SHIKIMAKA, O.; PYRTSAC, C.; BARBOS, Z.; SAVA, B. A.; BOROICA, L.; ELISA, M. (Institutul de Fizică Aplicată al AŞM, 2018)
    The plasticity of glasses under compressive and shear stresses is governed by 2 main mechanisms: densification and shear flow. The relative contribution of each of these mechanisms depends on the glass structure and its ...
  • Local Nonlinearities of ZnO Nanostructures 
    SHVIRKOV, K.; KEDRYAVTSEV, A.; LAVROV, S.; SHERSTYUK, N. E.; MISHINA, E. D.; RUSU, E.; KULYUK, L. (EMW Publishing, 2012)
    The results of two-photon luminescence studies of zinc oxide (ZnO) microstructures consisting of microrods and microplanes are presented in this paper. When ZnO microstructure is excited by a femtosecond laser with a ...
  • Localized Synthesis of Iron Oxide Nanowires and Fabrication of High Performance Nanosensors Based on a Single Fe2O3 Nanowire 
    LUPAN, Oleg; POSTICA, Vasile; WOLFF, Niklas; POLONSKYI, Oleksandr; DUPPEL, Viola; KAIDAS, Victor; LAZARI, Eugen; ABABII, Nicolai; FAUPEL, Franz; KIENLE, Lorenz; ADELUNG, Rainer (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2017)
    A composed morphology of iron oxide microstructures covered with very thin nanowires (NWs) with diameter of 15–50 nm has been presented. By oxidizing metallic Fe microparticles at 255 °C for 12 and 24 h, dense iron oxide ...
  • Locul Universității Tehnice a Moldovei în dezvoltarea sistemului național de proprietate intelectuală 
    DULGHERU, Valeriu (Agentia de Stat pentru Proprietatea Intelectuala a Republicii Moldova (AGEPI), 2022)
    In the development of human civilization, technical creativity has the predominant place. Human civilization emerged with the transformation of Homo Faber into Homo Sapiens. As evidence that our ancestors were twinned with ...
  • Long-Term Solar Irradiance Forecasting 
    BRAGA, D.; CHICCO, G.; GOLOVANOV, N.; PORUMB, R. (Institutul de Energetica al AŞM, 2020)
    The past decade has been characterized by considerable increase of the penetration level of solar photovoltaic systems in energy systems throughout the world. At the same time, solar irradiance has an intermittent nature. ...
  • The longitudinal magnetoresistance and features of Shubnikov de Haas oscillations in Bi 
    PARA, G. I. (Institutul de Fizică Aplicată, 2012)
    The influence of anisotropic deformation on the Fermi surface topology change in quantum wires of bismuth has been studied. The Bi wires with a diameter of 50 nm were obtained by casting from the liquid phase by Ulitovskii ...
  • Looking for (re)defining university autonomy 
    COTELNIC, Ala; NICULITA, Angela; TODOS, Petru; TURCAN, Romeo; BUGAIAN, Larisa; POJAR, Daniela (Ştefan cel Mare University of Suceava, Romania, 2015)
    The article presents a comparative analysis of the institutional university autonomy of the following EU member states: Denmark, Lithuania, Romania, Scotland and Sweden. Today we are witnessing the restructuring of various ...
  • Low noise 89 GHz detector module for MetOp-SG 
    HOEFLE, Matthias; COJOCARI, Oleg; SOBORNYTSKYY, Mykola; JANKOWSKI, Andrzej; OPREA, Ion; PENIRSCHKE, Andreas; JAKOBY, Rolf; DECOOPMAN, Thibaut; PERICHAUD, Marie-Genevieve; PIIRONEN, Petri (IEEE, 2015)
    Presented is an 89 GHz waveguide coupled direct detector based on low-barrier Schottky diodes. The design aims for signal-to-noise ratio (SNR) values above 35 dB within 6 dB input power dynamic, with significant white and ...

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