Browsing Articole ştiinţifice by Title

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  • Unele aspecte tehnologice privind producerea diferitor tipuri de vinuri moldoveneşti 
    RUSU, Emilian; OBADĂ, Leonora; CIBUC, Mariana (Institutul Ştiinţifico-Practic de Horticultură şi Tehnologii Alimentare, 2015)
    Red and white wine production is a priority of the Moldovan oenologists. At the moment there are multiple technological processes that ensure the manufacture of different types of wine, different by organoleptic properties. ...
  • Unele consideraţii cu privire la critica in arhitectură 
    NESTEROVA, Tamara; OLEINIC, Svetlana (Institutul Patrimoniului Cultural al AȘM, 2017)
    Lipsa criticii în arhitectură este resimţită mai ales în perioada contemporană, când aspectul noilor realizări arhitecturale se deosebeşte radical de cele anterioare, realizate în corespundere cu triada vitruviană: ...
  • Unele consideraţii privind dezvoltarea ştiinţei moderne 
    ROTARU, Anatol; CUJBA, Rodica (Academia de Ştiinţe a Moldovei, 2010)
    Modernizarea economiei necesită modernizarea în permanenţă a cercetării ştiinţifi ce, inovării şi învăţământului. Politica tehnologico-ştiinţifi că urmează să devină un element esenţial în elaborarea întregii politici ...
  • Unele particularități ale răspunsului microalgei Porphyridium cruentum la acțiunea nanoparticulelor de argint și aur stabilizate în citrat 
    RUDI, Ludmila; CEPOI, Liliana; CHIRIAC, Tatiana; VALUȚA, Ana; DJUR, Svetlana; MISCU, Vera; ZOSIM, Liliana; CODREANU, Liviu; RUDIC, Valeriu (Academia de Ştiinţe a Moldovei, 2022)
    În articol sunt expuse rezultatele referitor la unele particularități ale răspunsului microalgei Porphyridium cruentum la acțiunea nanoparticulelor de argint și aur cu dimensiunile de 10 nm și 20 nm, stabilizate în citrat. ...
  • Unele probleme filosofice ale fizicii contemporane 
    LOZOVANU, Ecaterina (Universitatea de Stat din Moldova, 2012)
    The article examines some philosophical issues related to linkage between quantum mechanics and general relativity theory. Attention is drawn on the linkage of these theories with the units of measurement for time, length ...
  • Unforseen factors influencing Fe(III)-containing cations sorption on strongly basic anion exchangers 
    GUTSANU, Vasile; SCHITCO, Cristina; DRUTSA, Raisa (John Wiley & Sons, Inc., 2008)
    The sorption and partial destruction of the Fe(III)-containing compounds in the aqueous medium in strongly basic anion exchangers AV-17 and Varion-AD phase have been investigated. It is shown that partial destruction of ...
  • Unificarea și armonizarea normelor juridice în domeniul activității vamale în procesul integrării europene 
    LUPAŞCU, Zinaida (Universitatea de Stat din Moldova, 2016)
    Actualmente, standardele europene stabilite accentuează aplicabilitatea unor noi forme de activitate vamală, control vamal, liberalizarea graduală a comerţului cu mărfuri, bunuri şi servicii, reducerea taxelor vamale, a ...
  • Uniform and Nonuniform Nucleation of Pores during the Anodization of Si, Ge, and III-V Semiconductors 
    LANGA, S.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; STEEN, K.; FREY, S.; TIGINYANU, I. M.; FÖLL, H. (The Electrochemical Society, Inc., 2005)
    Morphology is one of the basic characteristics of porous layers. For electrochemically grown pores, morphology is strongly dependent on the starting phase of pore growth, the so-called nucleation phase. This paper addresses ...
  • Unii indici microbiologici ai carcaselor de pasăre în perioada de comercializare 
    JUNCU, Olga; STARCIUC, Nicolae; OSADCI, Natalia; BORDOS, Xenia; PANFILII, Alexandru (Institutul Ştiinţifico-Practic de Biotehnologii în Zootehnie şi Medicină Veterinară, 2016)
    The investigations were based on determining the presents and diversity of bacterial microflora of chicken carcasses in the trading period. As a result it was determined that the variation of microflora is composed from ...
  • An uninterruptible power system containing a bridge inverter combined with a battery charging unit 
    SAINSUS, Iu.; CONEV, A.; RUSSEV, Iu.; SIDORENKO, A. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2019)
    Uninterruptible power systems (UPSs) have been commonly used for powering computers and for continuous technological processes in various branches of industry and medicine. The lives of people and the safety of large streams ...
  • Unripe apples – source of natural organic acids 
    CRUCIRESCU, Diana (Galati University Press, 2021)
    Research has focused on determining titratable acidity in unripe apples of 4 varieties: Coredana, Golden Rezistent, Rewena and Reglindis. Other physicochemical indices were also determined. These were picked between June ...
  • Up-conversion luminescence in GaSe nanocrystals 
    SYRBU, N. N.; STAMOV, I. G.; DOROGAN, A. V.; ZALAMAI, V. V. (Elservier, 2021)
    Optical properties of GaSe crystals have been investigated at wide temperature range from 10 to 300 K by help of reflection, absorption, and wavelength modulated reflection, and transmission spectra. Received data were ...
  • Up-conversion luminescence in samarium doped ZnAl2Se4 single crystals 
    ZALAMAI, V. V.; SYRBU, N. N.; RUSU, E. V.; TIRON, A.; BEJAN, N. P. (IOP Publishing, 2018)
    Photoluminescence spectra of ZnAl2Se4:Sm2+ due to the processes of charge carriers recombination from levels 5Dj, 5Lj, 5Gj and 5Hj (4f55d1) on levels 7Fj of samarium ions were investigated. The broad photoluminescence band ...
  • Upper critical field of periodic and fractal Nb/Cu multilayers 
    SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; WOSNITZA, J.; LÖHNEYSEN, H. v. (Springer Nature Switzerland, 1996)
    Measurements of the upper critical fieldBc2of superconducting Nb/Cu multilayers with fractal and periodic stacking sequence are reported. A positive curvature of the perpendicular magnetic field Bc2⊥, i.e. an upward deviation ...
  • Urbach's tail in the absorption spectra of CuIn5Se8 and CuGa3Se5 single crystals 
    ARUSHANOV, E.; LEVCENKO, S.; SYRBU, N. N.; NATEPROV, A.; TEZLEVAN, V.; MERINO, J. M.; LEÓN, M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2006)
    Optical absorption spectra of CuIn5Se8 and CuGa3Se5 single crystals grown by chemical vapour transport were investigated in the range of 10–300 K. The logarithmic variation of the absorption coefficient with photon energy ...
  • Urban electric vehicles traction: Achievements and trends 
    NUCA, Ilie; NUCA, Iurie; MOTROI, Alexandr; EŞANU, Vitalie (IEEE, 2012)
    This paper presents the recent achievements and the progress tendencies of the traction system of public urban electric vehicles (UEV) with reference to trolleybuses and tram cars. The current state of the domain is in ...
  • Urbanismul din RSSM prin prisma reglementărilor statale (1944-1947) 
    OSTAPOV, Alina (Institutul Patrimoniului Cultural, 2018)
    Pe parcursul primilor 20 ani de după cel de-al Doilea Război Mondial, majoritatea oraşelor republicii au fost practic construite din nou. Directivele primelor planuri cincinale erau determinate, in primul rand, de problemele ...
  • The Use of Chokes to Improve the Quality of the Static Frequency Converter 
    KALININ, L. P.; ZAITSEV, D. A.; GOLUB, I. V.; TIRSHU, M. C. (Institutul de Energetica al ASM, 2019)
    The aim of the work is to develop technical measures to improve the quality of the power transmission process through electrical link, which contains a frequency converter based on a PST (phase-shifting transformer) with ...
  • The use of CPC theory for energy description of two nonlinear receivers 
    ZAJKOWSKI, Konrad; RUSICA, Ivan; PALKOVA, Zuzana (EDP Sciences, 2018)
    The article concerns a mathematical description of electric power in the case of two nonlinear receivers connected to a common supply network. This description was made on the basis of the fundamental CPC (Currents' Physical ...
  • The Use of Cryptographic Techniques RSA-m to Protect the Information in Real Time 
    BALABANOV, Anatolii; AGAFONOV, A.; IZVOREANU, Bartolomeu; FIODOROV, Ion; COJUHARI, Irina; MORARU, Dumitru (Consiliul Naţional pentru Acreditare şi Atestare, 2012)
    In this paper the authors propose an advanced algorithm of RSA (modernized "kriptolock"). This algorithm is proposed to use for encoding the information with a short term of secrecy, when the attack are encrypted blocks ...

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