Browsing Articole ştiinţifice by Title

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  • Near-infrared wafer-fused vertical-cavity surface-emitting lasers for HF detection 
    CIVIŠ, Svatopluk; ZELINGER, Zdeněk; NEVRLÝ, Václav; DOROGAN, Andrei; FERUS, Martin; IAKOVLEV, Vladimir; SIRBU, Alexei; MEREUTA, Alexandru; CALIMAN, Andrei; SURUCEANU, Grigore; KAPON, Eli (Elsevier, 2014)
    1310nm Wavelength VCSELs produce single mode emission in excess of 1mW in the temperature range of 20−70°C with a very low relative intensity noise of −148dB/Hz. These devices have a broad tuning range of ~50cm−1 with ...
  • Nearfield effect in a nanotube/nanopor array system for application in EWOD devices that are operating in THz region 
    SIRBU, Lilian; SERGENTU, Vladimir; VOICU, Rodica; TIGINYANU, Ion; URSAKI, Veaceslav (IEEE, 2012)
    We present a theoretical model for propagation of EM wav. in various kinds of structures such as arrays of monolayer cylinders, multilayer cylinders, non-metallized and metallised pores. An analytical method was developed ...
  • Necesitatea gestiunii riscurilor bunurilor imobile ce constituie garanţii bancare în contextul globalizării 
    VOLOSATÎI, Carolina (Institutul de Relaţii Internaţionale din Moldova, 2016)
    Pentru sistemul bancar din Republica Moldova, ţară aflată în plin proces de tranziţie, adaptarea la cerinţele pieţei Uniunii Europene re-prezintă nu doar o provocare, dar, mai cu seamă, o necesitate. Criza financiară în ...
  • Necesitatea şi căile modificării climatului investiţional în Republica Moldova 
    CAZACU, Vitalie; CAZACU, Aurelia (Institutul de Relaţii Internaţionale din Moldova, 2012)
    În acest articol sunt analizate diverse aspecte ale investiţiilor. În orice economie investiţiile fac legătura dintre prezent şi viitor. Acumularea de capital fix, atât productiv, cât şi neproductiv, construirea de clădiri ...
  • The Necessity of Educational Politics in Opting for a Prospective Education 
    LUNGU, Viorelia (Academy of Economic Studies of Moldova, Centre for Studies in European Integration, 2016)
    The National Development Strategy "Moldova 2020"suggests the connection of the educational system to the requirements of the labor force. The way of development of the modern world is connected, to the way that education ...
  • Network Security Threats to Higher Education Institutions 
    ALEXEI, Arina (Institutul de Dezvoltare a Societăţii Informaţionale, 2021)
    The Covid-19 pandemic has significantly changed the way higher education institutions (HEIs) operate around the world. Distance learning has become the unique opportunity that the process further education in conditions ...
  • Neutron reflectometry studies of Gd/Nb and Cu30Ni70/Nb superlattices 
    KHAYDUKOV, Y.; KRAVTSOV, E.; MORARI, R.; LENK, D.; MUSTAFA, L.; KIM, G.; TRAPP, M.; ZHAKETOV, V.; PROGLYADO, V.; ZRDAVKOV, V.; NIKITENKO, Y.; NIDDA Von, H.-A. Krug; KELLER, T.; STEITZ, R.; TIDEKS, R.; SIDORENKO, A.; USTINOV, V.; AKSENOV, V.; KEIMER, B. (IOP Publishing, 2019)
    We performed a comparative study of magnetic proximity effects in [Gd(5nm)/Nb(25nm)]12 and [Cu30Ni70(6nm)/Nb(27nm)]12 superlattices of S/F type by means of transport measurements and neutron scattering. Transport measurements ...
  • Neutron Transmutation Doping and Radiation Hardness for Solution-Grown Bulk and Nano-Structured ZnO 
    FLITSIYAN, E.; SWARTZ, C.; PEALE, R. E.; LUPAN, O.; CHERNYAK, L.; CHOW, L.; VERNETSON, W. G.; DASHEVSKY, Z. (Cambridge University Press, 2011)
    It is shown that solution-grown ZnO nanostructures exhibit enhanced radiation hardness against neutron irradiation as compared to bulk material. The decrease of the cathodoluminescence intensity after irradiation at a ...
  • New additives of bioactive substances in the biochemical digestion processes 
    COVALIOVA, Olga; STURZA, Rodica; COVACI, Ecaterina; ROMANCIUC, Lidia; TASCA, Corina (Institute of Chemistry, Chisinau, AŞM, 2022)
    The liquid wastes from the agro-industrial sector can serve as renewable source of value-added products, following the specific treatment. Such treatment is also important from the ecological point of view, as it may prevent ...
  • A new approach and software support to reliability analysis of repairable complex systems 
    CORLAT, A.; CORLAT, S. (Institutul de Matematică şi Informatică "Vladimir Andrunachievici", 1994)
    A new method of reliability analysis of complex systems and software supporting is suggested. It is based on modelling of their evolution by means of semi–Markov processes. The results are obtained under general assumptions ...
  • A new approach to information coding and protection based on the theory of matroids 
    BORSHEVICH, V.; OLEINIK, W. (Institute of Mathematics and Computer Science, 1994)
    A new approach to coding and protection of information in the computer and telecommunication systems is proposed and discussed. It is based on the mathematical apparatus of the theory of matroids, which in combination with ...
  • New composite materials for optoelectronic applications 
    IOVU, M. S.; BUZURNIUC, S. A.; VERLAN, V. I.; CULEAC, I. P.; NISTOR, Yu. H. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2009)
    The problem of obtaining low cost but efficient luminescent materials is still actually. Data concerning fabrication and luminescent properties of new composite materials on the base of thenoyltrifluoroacetone (TTA) of ...
  • New evolutions, directions and trends in conversion and storage of renewable energies 
    CRISTESCU, Corneliu; DUMITRESCU, Liliana; DULGHERU, Valeriu; DUMITRESCU, Catalin (SGEM World Science, 2018)
    The special resources of renewable energy identified in Romania have generated far more extensive concerns and research on their capture, storage and use. The first part of this paper presents a couple of renewable energy ...
  • New luminescent compounds based on chalcogenides and organic materials 
    IOVU, M. S.; ANDRIESH, A. M.; VERLAN, V. I.; BUZURNIUC, S. A.; CULEAC, I. P.; NISTOR, YU. H.; ZUBAREVA, V. (National Institute of Optoelectronics, Romania, 2009)
    Data concerning fabrication and luminescent properties of new composite materials on the base of organic coordination compounds of Eu(III) (Eu(TTA)3H2O, Eu(TTA)3Phen or Eu(DBM)3Phen dispersed in SBMA copolymer are presented. ...
  • New manufacturing technology for InP epitaxial layers and properties of Schottky diodes made on their basis 
    ARSENTIEV, I. N.; BOBYI, A. V.; BOLTOVETS, N. S.; IVANOV, V. N.; KONAKOVA, R. V.; KUDRYK, Y. Y.; LYTVYN, O. S.; MILENIN, V. V.; TARASOV, I. S.; BELYAEV, A. E.; RUSU, E. V. (IEEE, 2004)
    A new technological approach to production of structurally perfect epitaxial films LPE-grown on "soft" porous n/sup +/-InP substrates is considered. We studied surface morphology, boundary between phases in TiB/sub x/-n-InP ...
  • New manufacturing technology for InP epitaxial layers and properties of Schottky diodes made on their basis 
    ARSENTIEV, I.; BOLTOVETS, N.; BOBYL, A.; IVANOV, V.; KONAKOVA, R.; KUDRYK, Ya.; LYTVYN, O.; MILENIN, V.; TARASOV, I.; BELYAEV, A.; RUSU, Emil (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", 2005)
    A new technological approach to production of structurally perfect epitaxial films LPE- grown on “soft” porous n -InP substrates is considered. We studied surface morphology, boundary between phases in TiBx-n-InP contact ...
  • New narrow-gap semiconducting solid solutions 
    KANTSER, V. G.; MALKOVA, N. M.; SIDORENKO, A. S. (Elservier, 1985)
    Within the frames of the method based on the genesis of an electronic spectrum out of atomic p-states (p-model [1]) the band structure rearrangement in dependence on composition of cubic solid solutions (TIB5C62)1−x(2A4B6)x ...
  • New organic luminophore compounds-polymer nanocomposites: technology and absorbance 
    VERLAN, V.; IOVU, M.; CULEAC, I.; POPUSHOI, A.; DRAGALINA, G.; ROBU, S.; BARBĂ, N.; MALAHOV, L. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2010)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the copolymers of styrene and butilmetacrylate in the ratio (1:1) have been used. As organic luminophore compounds from ...
  • A new propylamine sensor using artificial dimorphite 
    TSIULYANU, D.; MARIAN, S.; GUBA, M.; POTJE-KAMLOTH, K.; LIESS, H.-D. (IEEE, 1998)
    The sandwich metal-dimorphite(As/sub 4/S/sub 3/)-metal structure is used as a sensor for detection of propylamine (P/sub r/NH/sub 2/) vapor. The gas induced shifts of the current-voltage characteristics as well as transient ...
  • A new structural approach for uniform sub-micrometer anode metallization of planar THz Schottky components 
    COJOCARI, O.; MOTTET, B.; RODRIGUEZ-GIRONES, M.; BIBER, S.; MARCHAND, L.; SCHMIDT, L.-P.; HARTNAGEL, H. L. (IOP Publishing, 2004)
    This paper presents the evaluation of a Schottky contact technology based on electrochemical metal deposition. The results of a long-term systematic investigation and optimization of the anode formation process to improve ...

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