Browsing Colecția instituțională by Title

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  • Online learning as the main part of e-learning 
    DOMINIC, Artiom (Tehnica UTM, 2019)
    The article examines stage of online learning in the modern society. Author takes historical review on the problem of education using modern approaches in form of e-learning. Analyzing by comparison methods the advantages ...
  • Online recognition of mobile objects 
    CIORBA, Dina; LEȘCO, Andrei; DODI, Cristian-Dumitru; PLEȘCA, Anișoara-Ionela (Universitatea Tehnică a Moldovei, 2021)
    The system designed for the recognition of geometrical figures that are moving on a conveyor belt was developed by using the Canny edge detection algorithm, where the objects are identified with the maximum accuracy. The ...
  • An Ontology Selection and Ranking System Based on the Analytic Hierarchy Process 
    GROZA, Adrian; DRAGOSTE, Irina; SINCAI, Iulia; JIMBOREAN, Ioana; MORARU, Vasile (IEEE, 2014)
    Selecting the desired ontology from a collection of available ones is essential for ontology reuse. We address the problem of evaluating, ranking and selecting ontologies according to user preferences. We exploit the ...
  • Open access policy to research outputs in the Republic of Moldova. State of the art and perspectives 
    TURCAN, Nelly; CUJBA, Rodica (Austrian Computer Society, 2017)
    According to the Registry of Open Access Repository Mandates and Policies (ROARMAP) only 8 research institutions from the Republic of Moldova (12%) approved an Open Access Policy (OAP). All these institutions are universities ...
  • Open science practice used in strengthening the national collection of non-pathogenic microorganisms 
    BOGDAN, Nina; SÎRBU, Tamara; BÎRSA, Maxim; CERNĂUȚEANU, Victor; COJOCARU, Irina (Moldova State University, 2022)
    Research aim is to strengthen the National Collection of Non-Pathogenic Microorganisms by adopting open science practices on access, preservation, sharing and reuse of scientific data. The objectives: Conceptualization of ...
  • Open-loop-control of pore formation in semiconductor etching 
    CLAUSSEN, J. C.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; LANGA, S.; FOLL, H. (IEEE, 2003)
    Electrochemical etching of semiconductors gives rise to a wide variety of self-organized structures including fractal structures, regular and branching pores. The Current-Burst Model and the Aging Concept are considered ...
  • Operation of quasi-optical a THz detectors in heterodyne regime 
    COJOCARI, O.; MARTYANOV, M.; MORO-MELGAR, D.; SOBORNYTSKYY, N. (IEEE, 2017)
    In recent years Schottky-diode technologies gain influence in THz systems because of their large sensitivity, wide range, high power capability and room-temperature operation. Schottky diodes rectify the RF signal directly ...
  • Operation of resonant-tunnelling oscillators beyond tunnel lifetime limit 
    FEIGINOV, M.; SYDLO, C.; COJOCARI, O.; MEISSNER, P. (IOP Publishing, 2011)
    The tunnel lifetime of the electrons in the quantum well of a resonant-tunnelling diode (RTD) is usually assumed to be imposing an inherent fundamental limitation on the operating frequencies of RTD oscillators. Here, we ...
  • Operation of resonant-tunnelling-diode oscillators beyond tunnel-lifetime limit at 564 GHz 
    FEIGINOV, M.; SYDLO, C.; COJOCARI, O.; MEISSNER, P. (IOP Publishing, 2012)
    We present resonant-tunnelling-diode (RTD) oscillators, which are operating at frequencies up to 564 GHz. Due to heavy doping of the collector side of our diodes, the oscillators are operating beyond the tunnel-lifetime ...
  • Opinions On The Implementation Of The New Administrative-Territorial Budgeting System Elaboration In The Republic Of Moldova 
    MANOLE, Tatiana (Кіровоградський національний технічний університет, 2015)
    In this article are exposed opinions of the author, who studied the implementation of new administrative-territorial budgeting system in the districts of Riscani and Ocnita that were piloted on 2014. The performed analysis ...
  • Oportunităţile de finanţare a IMM-urilor şi rolul lor în dezvoltarea economiei Republicii Moldova 
    RUSU, Nicolae; RUSU, Aurelia (Tehnica UTM, 2020)
    Sectorul întreprinderilor mici și mijlocii contribuie la îmbunătățirea situației economice, stimulează creșterea producției, participă la crearea de noi locuri de muncă și contribuie la soluționarea problemei dezvoltării ...
  • Opportunities for rehabilitation of facades of historic buildings in Moldova with limestone elements 
    ALBU, D. C.; LESAN, A. (IOP Publishing, 2021)
    Most buildings of historical and architectural value located in the Republic of Moldova are built of limestone or brick. The facades are decorated with columns, semi-columns and pilasters, balusters, bas-relief, and consoles. ...
  • The Opportunity to Treat the Neutral Through the Resistor or Combined Compensation Coil - Resistor 
    DOBREA, Ina (Institute of Electrical and Electronics Engineers, IEEE, 2019)
    In the paper are analyzed the operating modes of the 6-35 kV networks with the compensated neutral (treated by the compensation coil), combined (treated by the compensation coil and resistor) and resistive. They are ...
  • Optic filters based on anisotropic crystals 
    SÎRBU, N.; DOROGAN, A.; URSACHI, V. (Romanian Inventors Forum, 2018)
    The optical anisotropy of ZnP2, Cu2ZnSiSe4, and CdCa2S4 crystals are manifested by strong gyration effects, birefringence, dichroism, rotation of the polarization plane of light.
  • Optical absorption and photoluminescence of lumonophore nanocomposites 
    VERLAN, V. I.; IOVU, M. S.; ANDRIESH, A. M.; NISTOR, Yu. H.; CULEAC, I.; MALAHOV, L.; TURTA, C. I.; ZUBAREVA, V. E. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2011)
    The europium complex tris(dibenzoylmethane)(monophenanthroline)europium (III) (Eu(DBM)3Phen) was successfully incorporated with different molar ratios into organic copolymer matrix of styrene:butylmethacrilate (1:1) (SBMA) ...
  • Optical absorption and thermal expansion of semiconductor glasses As-S-Ge by topological transition 
    TSIULYANU, D.; GUMENYUK, N.; MARIAN, S. (Society of Photo-Optical Instrumentation Engineers, SPIE, 1995)
    The effect of mean coordination number r on the optical absorption in the region of exponential tail and on the thermal expansion of chalcogenide glasses As-S-Ge are presented. Several important parameters such as optical ...
  • Optical absorption of chalcogenide glassy photoresists As-S-Ge 
    MARIAN, S.; TSIULYANU, D. I. (IEEE, 1995)
    The absorption edge of some chalcogenide glassy semiconductors (ChGS) As-S-Ge both in bulk and thin films is studied. The region of the Urbach tail is considered particularly as it determines the efficiency of photostructural ...
  • Optical activity induced by rare-earth ions in As2S3 glasses and KCl crystals 
    SYRBU, N.; ZALAMAI, V.; CULEAC, I.; IOVU, M.; TIRON, A. V.; BERIL, S. I.; STAMOV, I. G. (Elservier, 2019)
    Optical transmission spectra of As2S3 glass-like plates and nanolayers, undoped and doped with Sm and Pr ions have been investigated. The spectral dependences of the refractive index and glass transmission spectra, registered ...
  • Optical and electrical properties of the CdS/InP heterostructures solar cells 
    SLOBODCHIKOV, S. V.; RUSU, E.; ARABADJI, P.; PURICA, M.; BUDIANU, E. (IEEE, 2004)
    Technological procedures of solar cells fabrication based on n/sup +/-CdS/p-p/sup +/-InP heterostructures are presented. The conversion efficiency under AM 1.5 illumination condition of the obtained solar cell was /spl ...
  • Optical and photo-induced properties of carbazol-containing polymers with azonitrodye 
    MESHALKIN, A.; ROBU, S.; BOIARINOV, Yu.; PRISACAR, A.; SHEPEL, D.; CULEAC, I.; COJOCARU, I.; ACHIMOVA, E. (Institutul de Fizică Aplicată al AŞM, 2014)
    In this work the optical properties and photo-induced effects study of the copolymer of poly(9- epoxypropyl)carbazole (PEPC) with azodye Disperse Orange, was carried out. Copolymer of epoxypropylcarbazole with Disperse ...

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