Browsing Articole ştiinţifice by Title

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  • Optoelectronic properties of gallium nitride thin membranes 
    BRANISTE, Tudor; POPA, Veaceslav; VOLCIUC, Olesea; TIGINYANU, Ion (Romanian Academy, 2015)
    We present the results of a systematic study of persistent photoconductivity (PPC) generated by UV-excitation in thin membranes based on crystalline GaN. The PPC was found to be optically quenched under extrinsic excitation ...
  • Opțiunile strategice în alegerea paradigmei de formare a funcționarilor publici 
    PRODAN-ŞESTACOVA, Liubovi (Academia de Administrare Publică, Republica Moldova, 2018)
    In this article, the author proposes to analyze two educational paradigms: humanist and sociocentric. The education system is currently undergoing permanent reforms, and often the reformers are only concerned with "what?" ...
  • Opţiuni strategice pentru strategiile de dominare prin costuri 
    CRUCERESCU, Cornelia (Universitatea “Lucian Blaga” din Sibiu, 2008)
    The companies use the low costs strategies with a view to improve competitive advantage. Implementation of low costs strategies is possible by a lot of methods. The main scope of this paper is to identify some of strategically ...
  • Order-disorder phase transition in CdAl2S4 under hydrostatic pressure 
    BURLAKOV, I. I.; RAPTIS, Y.; URSAKI, V. V.; ANASTASSAKIS, E.; TIGINYANU, I. M. (ELSEVIER, 1997)
    CdAl2S4 single crystals with the defect chalcopyrite structure have been studied by Raman spectroscopy at hydrostatic pressures up to 150 kbar. The Raman scattering spectra were found to undergo substantial changes around ...
  • Ordered arrays of metal nanotubes in semiconductor envelope 
    TIGINYANU, Ion; MONAICO, Elena; MONAICO, Eduard (ELSEVIER, 2008)
    We report on fabrication of metal nanotubes in semiconductor nanotemplates possessing ordered two-dimensional hexagonal arrays of pores grown in n-InP crystalline substrates using anodic etching in neutral electrolyte. ...
  • Ordering of jobs with tree different processing times in the MXN Bellman-Jonson problem 
    BOLUN, Ion (Institutul de Matematică şi Informatică al AŞM, 2007)
    Bellman-Johnson Mxn scheduling problem with monotone (no decreasing, constant or no increasing) jobs of three different processing times is investigated. Three different classes C3.1, C3.2 and C3.3 of such systems are ...
  • Ordonarea lucrărilor monotone în problema Mxn Bellman-Johnson 
    BOLUN, Ion (Academia de Studii Economice din Moldova, 2007)
    Bellman-Johnson’s Mxn scheduling problem with monotone (no decreasing, constant or no increasing) jobs is investigated. Rules for optimal ordering of monotone jobs in the schedule, which contain no monotone jobs too, are ...
  • Organ de lucru eolian în formă de turbină elicoidală 
    BOSTAN, Ion; DULGHERU, Valeriu; CIUPERCĂ, Rodion (Institutul de Energetică, AŞM, 2005)
    Prezenta lucrare este dedicată cercetării unui tip nou de rotor eolian de putere mică – turbina elicoidală. Lucrarea include elemente ale teoriei turbinei elicoidale, modele ale turbinei elicoidale cu diferiţi parametri ...
  • Organic Beekeeping Practices in Romania: Status and Perspectives towards a Sustainable Development 
    POCOL, Cristina Bianca; ŠEDÍK, Peter; BRUMĂ, Ioan Sebastian; AMUZA, Antonio; CHIRSANOVA, Aurica (MDPI (Basel, Switzerland), 2021)
    Romanian beekeeping faces a lot of challenges nowadays due to the problems related to climate change, the use of pesticides in agriculture, but also to the pandemic crisis. In this context, organic beekeeping represents ...
  • Organic selenium (Sel-Plex) effects on productive performance and blood parameters in broiler chickens 
    VOINITCHI, E.; BALANESCU, Diana (Editura "Ion Ionescu de la Brad" Iași 2011, 2011)
    In this study 300 one day old broiler chickens were divided into 2 groups. First group (I) consisted of 150 chickens was decided to be a control group, second group (II) was the experimental one – organic Selenium ( Sel-Plex ...
  • Organic thermoelectric materials: new opportunities 
    CASIAN, A. I.; SANDULEAC, I. I. (Journal of Thermoelectricity, 2013)
    The aim of the paper is to estimate the opportunities of organic materials for thermoelectric applications. Recently in molecular nanowires of conducting polymers the values of ZT ~ 15 were predicted. Still higher values ...
  • Organizarea şi funcţionarea eficientă a serviciului public de alimentare cu apă şi de canalizare din Republica Moldova 
    CIOBANU, Natalia (Academia de Administrare Publică, 2016)
    An important component of the modernization of the local public administration is to guarantee free access to information concerning the management of public utility services, information that is not available to users and ...
  • Organizarea transportului ca element al sistemului regional al turismului internaţional al Moldovei 
    HÎNCU, Nicolai; CROTENCO, Irina (Institutul de Relaţii Internaţionale din Moldova, 2016)
    În articol este analizat locul şi rolul organizaţiilor de transport în sistemul turismului internaţional al Republicii Moldova. Transportul, în particular cursele internaţionale, reprezintă o ramură important a tur-ismului, ...
  • Organization of the computer means controlled by the image's parameters 
    PERJU, Veacheslav L. (SPIE, 1997)
    A new concept of working out computer means, with the architecture controlled by the parameters of the images (CPI) is being suggested. The methods and processor structures of image parameters determination are presented. ...
  • The origin and trend of orange wines 
    SCLIFOS, Aliona ("Alma Mater" Publishing House, Bacau, 2023)
    The research was focused on the analysis of the local white grape variety Viorica from the Purcari area, which analysed the grapes and wine obtained from the 2020 and 2022 harvests. Orange wines are produced according to ...
  • Origin of the Resistive Transition Broadening for Superconducting Magnesium Diboride 
    SIDORENKO, A. (Springer Nature Switzerland, 2006)
    The origin of the superconducting transition broadening for the novel superconductor MgB2 is investigated. The dominant role of twodimensional fluctuations and thermally activated flux flow in the vicinity of the critical ...
  • Oscillations of the critical temperature in superconducting Nb/Ni bilayers 
    SIDORENKO, A. S.; ZDRAVKOV, V. I.; PREPELITSA, A. A.; HELBIG, C.; LUO, Y.; GSELL, S.; SCHRECK, M.; KLIMM, S.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    We investigated Nb/Ni bilayers prepared by magnetron sputtering on glass subtrates. The quality of the films was characterized by small-angle X-ray diffraction analysis. The thickness of the layers was determined by the ...
  • Outstanding Discovery of the XX-th Century — Lasers: Perspectives of Using for the Big Cities Needs 
    PROHOROV, A. M.; RADAUTSAN, S.; SYRBU, A.; IAKOVLEV, V. (Springer Science+Business Media Dordrecht, 1997)
    A study of laser facets at high optical power density levels resulted in elaboration of a new characterization technique for laser diodes . A new facet coating system based on ZnSe was applied to InGaAsP high power laser ...
  • Overview of national moldavian regulations on food labeling 
    POPOVICI, Cristina; DMITRIEVA, Ecaterina; BIRCA, Adriana; IATCO, Iulia (Transilvania University Press, 2014)
    This review of the global regulatory environment around food labeling, including nutrition labeling and health claims aims to provide an overview of existing national regulations and a description of past and future ...
  • Oxidation and markers of wine oxidation 
    STURZA, Rodica; SCUTARU, Iurie ("Alma Mater" Publishing House, Bacau, 2023)
    Wine is a dynamic system whose redox balance evolves throughout production and maturation. One of the main factors regulating the balance of this system is the presence of oxygen; the redox potential makes it possible to ...

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