Browsing Articole ştiinţifice by Title

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  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • DOROGAN, Valerian V.; VIERU, Tatiana S.; DOROGAN, Andrei V. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2005)
    New p-i-n photodiodes on the basis of InP-InGaAs-InGaAsP heterostructures for optic communications, possessing original characteristics, are presented in the paper. Their specific photosensibility was achieved by placing ...
  • MORARU, Vasile; MELNIC, Radu (IEEE, 2006)
    In this paper it is talked over Newton-type method for the problem of minimizing a convex quadratic function subject to linear constraints. The determination of the Karush-Kuhn-Tucker system solution is reduced to the ...
  • FELBERMAIR, Elisabeth; AKBARZADEH, Johanna; PETERLIK, Herwig; SIDORENKO, Andrey; PASCHEN, Silke; SCHUBERT, Ulrich (Elservier, 2019)
    Ni(II)/Fe(III) cyanometallate structures with Si(OR)3-substituted bis(2-aminoethyl)-1,3-propanediamine or 1,4,8,11-tetraazacyclotetradecane (cyclam) blocking ligands at Ni(II) were prepared and embedded in SiO2 by means ...
  • ADASCALIŢA, Lucia (Institutul Patrimoniului Cultural, 2021)
    A prominent figure in the field of satirical graphics in the Republic of Moldova, Nicolae Macarenco, throughout his artistic career, conceived with great skill and dedication book illustrations for literary works signed ...
  • TSIULYANU, A.; MARIAN, S.; PUSHCACH, B.; TSIULYANU, D.; LIESS, H.-D. (IEEE, 2003)
    Influence of annealing on the electrical and sensing properties toward NO/sub 2/ of tellurium based films were investigated. The annealing at temperatures more than 100/spl deg/C causes a sharp decrease both of electrical ...
  • LUPAN, O. I.; SHISHIYANU, S. T.; SHISHIYANU, T. S. (ELSEVIER, 2007)
    Pure and Sn, Ni doped ZnO thin films were deposited on glass substrates using a novel successive ionic layer adsorption and reaction (SILAR) method at room temperature. Microstructures of the deposited films were optimized ...
  • BOBICEV, Victoria; SOKOLOVA, Marina (Springer Nature Switzerland, 2015)
    In this study we propose a new method to classify sentiments in messages posted on online forums. Traditionally, sentiment classification relies on analysis of emotionally-charged words and discourse units found in the ...
  • RUDIC, Valeriu; DJUR, Svetlana; CEPOI, Liliana; CHIRIAC, Tatiana; RUDI, Ludmila; CODREANU, Svetlana; GHELBET, Viorica (Moldova State University, 2014)
    There have been proposed the recipes for preparing two feed premixes with organic selenium according to the source of inorganic selenium used: “Spirulina with organic selenium 1 and 2” and “protein feed premix with organic ...

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