Browsing Articole ştiinţifice by Title

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  • Quadrant detector based on InGaAsP heterostructures 
    DOROGAN, Valerian; BRYNZARI, Vladimir I.; VIERU, Tatiana; KOSYAK, V. (SPIE, 1998)
    A new device called selective quadrant-detector, realized on the basis of InGaAsP heterostructures, is presented in the paper. It consists of a circular photodiode-quadrant with protective peripheric ring, having selective ...
  • Qualification of Direct Detection Technology for ESA MetOp-SG Space Mission 
    HOEFLE, Matthias; RICKES, Martin; OPREA, Ion; COJOCARI, Oleg (International Symposium on Space Terahertz Technology, ISSTT, 2017)
    This contribution presents the ACST 89 GHz Schottky detector module performance and pre-qualification results towards the second European meteorological operational satellite program MetOp-SG. The detector flight module ...
  • A Qualitative Assessment of the SpecificWoody Biomass of Fruit Trees 
    CIOLACU, Florin; IANUS, Gelu; MARIAN, Grigore; MUNTEANU, Corneliu; PALEU, Viorel; ISTRATE, Bogdan; GUDÎMA, Andrei; DARADUDA, Nicolae (MDPI, Basel, Switzerland, 2022)
    In the current context of environmental requirements, solid renewable biomass is becoming one of the main viable energy sources that can replace fossil fuels. This paper focuses on evaluating the morphological structure ...
  • Quality Assessment of Honey in Three Different Geographical Areas from Republic of Moldova 
    CHIRSANOVA, Aurica; CAPCANARI, Tatiana; BOISTEAN, Alina (Scientific Research Publishing, 2021)
    One of the empirical and image products of the Republic of Moldova is bee honey. Its assortment is due to the variety of landforms, as well as the diversity of flora specific to geographical regions. During the Covid-19 ...
  • Quality assessment of the bakery products enriched with calcium 
    MOTRUC, Natalia (Academia de Ştiinţe a Moldovei, 2005)
    In this work were analysed the bakery products enriched with calcium salts. Elaboration of the enrichment procedure of these products, requires the study of the mutual influence of the food constituents, of the food aditive ...
  • Quality Assurance in On-line Education 
    TODOS, Petru; GHENCEA, Cristina; VÎRLAN, Petru; ADASCALIŢEI, Adrian (Universitatea Liberă Internaţională din Moldova, 2017)
    Online education constitutes an important component in the continuous growth / development of higher education and adult education. Its quality largely depends on the design rules and the evaluation standards of the programs ...
  • Quality changes in oil of walnut (Juglans Regia L.) During storage 
    TATAROV, Pavel; SANDULACHI, Elisaveta; IVANOVA, Raisa; BAERLE, Alexei (University of Agricultural Sciences and Veterinary Medicine “Ion Ionescu de la Brad”, Iaşi, 2017)
    The purpose of investigation was to appreciate the changes in quality of walnut oil obtained by cold pressing of kernels. The kinetics of chemical reactions of oil oxidation was studied. The accumulation of the primary and ...
  • Quality Improvement in the Footwear Company 
    BULGARU, Valentina; CIOBANU, Daniela; MALCOCI, Marina (National Research & Development Institute for Textile and Leather (INCDTP), Bucharest, 2014)
    Quality is the key factor in ensuring the competitiveness of an enterprise. In the footwear industry of Moldova there are about 50 enterprises producing shoes for both internal and external market mainly in the LOHN system. ...
  • Quality indices of wine brandies in dependence of distillation methods used 
    COVACI, Ecaterina; SCLIFOS, Aliona; BODRUG, Anastasia (Galati University Press, 2021)
    The general process by which brandy is obtained from grapes includes the main processes such as: grape → fermentation directly → submerged fermentation with pure culture of yeast → liquid-state distillation → aging in oak ...
  • Quality management of products and processes during the production of covers for soft furniture 
    COLIBABA, Ala; BULGARU, Valentina (Московский Политехнический Университет, Рязанский Институт, 2020)
    The paper presents a case study regarding the analysis of the quality of the manufacturing process of covers for soft furniture within the company "Miso Textile" L.T.D. The research methodology included the application of ...
  • Quality Management of Wines and Redox Processes 
    STURZA, Rodica; SCUTARU, Iurie; DUCA, Gheorghe (Springer Nature Switzerland, 2021)
    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 ...
  • Quality of densified solid biofuels produced from some energy crops specific to the conditions of the Republic of Moldova 
    MARIAN, Grigore; DARADUDA, Nicolai; GUDIMA, Andrei; NAZAR, Boris; BANARI, Alexandru; PAVLENCO, Andrei (University of Agronomic Sciences and Veterinary Medicine of Bucharest, 2021)
    This paper refers to the qualitative study of densified solid biofuels, obtained from the plant biomass of the Asteraceae family. Nestro cylindrical briquettes produced at a hydraulic press manufactured by Briklis company ...
  • The Quality of Mixing in Mixers with Bars and Radial and Longitudinal Scrapers 
    ANDRIEVSCHI, Serghei; LUNGU, Valeriu; CARCEA, Ala; LOZAN, Alexandru (Sciendo, 2013)
    The process of division – combining of streams in mixers with bars and radial and longitudinal scrapers was studied. The number of unique streams that are formed after passing each row of longitudinal bars and the total ...
  • Quality of pellets produced from agricultural wood residues specific to the Prut river basin 
    MARIAN, G.; GELU, I.; ISTRATI, B.; GUDÎMA, A.; NAZAR, B.; PAVLENCO, A.; BANARI, A.; DARADUDA, N. (Миколаївський національний аграрний університет, 2021)
    This paper presents an overview of the prospects for the use of agricultural wood residues, specific to the climatic zone adjacent to the Prut River and the qualitative characteristics of densified solid biofuels in the ...
  • Quantification of ochratoxin A in moldavian wines 
    STURZA, Rodica; LAZACOVICI, Olga (“Vasile Alecsandri” University of Bacău, 2017)
    The level of the carcinogenic mycotoxin ochratoxin A (OTA) in wines produced in Moldova, including bottled and raw material wines, was analyzed by enzyme-linked immunosorbent assay (ELISA) and high performance liquid ...
  • A quantitative analysis of the performance of functional distributed architectures 
    ZAPOROJAN, S. (Institute of Mathematics and Computer Science, 1996)
    This paper is concerned with the functional distributed architectures (FDA) performance. In this work a quantitative analysis of FDA performance has been carried out. The carried out analysis makes it possible to determine ...
  • Quantum dots lasers dynamics under the influence of double cavity external feedback 
    RUSU, S. S.; OLOINIC, T.; TRONCIU, V. Z. (Elsevier, 2016)
    This paper reports results on investigations of the dynamical behavior of a semiconductor laser with quantum dots active medium under the influence of a feedback from double external cavity. This configuration is treated ...
  • Quantum transport and magnetic phenomena in nano-width crystallite interfaces of topological insulators Bi1-x - Sbx (0,07≤x ≤ 0.2) 
    MUNTYANU, F. M.; CHISTOL, V.; BEJAN, V.; MUNTEANU, V. (Institutul de Fizică Aplicată, 2012)
    In this report, we present the investigation of the magnetic and transport phenomena at low temperatures and in high magnetic fields, having as objective the elucidation of the role played by nano-width CI in the interaction ...
  • Quantum Transport, Superconductivity, and Weak Ferromagnetism at Bicrystal Interfaces of Bi and 3D Topological Insulator BiSb 
    MUNTYANU, Fiodor M.; GILEWSKI, Andrzej; CHISTOL, Vitalie; MUNTEANU, Viorel; ROGACKI, Krzysztof; SIDORENKO, Anatolie (Springer Nature Switzerland, 2018)
    This chapter reviews the results of study of electronic quantum transport, superconductivity, and magnetic phenomena of bicrystals of Bi and BiSb alloy system at temperatures 1.8–100 K and magnetic fields up to 400 kOe. A ...
  • Quantum wells parameters of In0,3Ga0,7As/GaAs VCSEL lasers 
    DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    Injection lasers based on quantum well (QW) and quantum dots (QD) heterostructures with a low value of threshold current density Jth with continuous emission regime and output power value of 3W have been manufactured. VCSEL ...

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