Articole ştiinţifice: Recent submissions

  • Caracteristicile fizico-chimice ale semințelor de struguri Feteasca Neagră cultivați pe diferite podgorii din centrul țării 
    GUREV, Angela; BOEȘTEAN, Olga; DRAGANCEA, Veronica; MÂNDRU, Anastasia (Universitatea. de Stat "B. P. Hasdeu" din Cahul, 2021)
    Un șir de studii demonstrează că conținutul de substanțe biologic active în struguri depinde de mai mulți factori, cum sunt condițiile de cultivare (solul, apa, lumina, temperatura, etc.), maturitatea și desigur, factorul ...
  • Analiza metodelor de determinare a nitraţilor şi nitriţilor 
    SUBOTIN, Iurie; MACARI, Artur; RADU, Oxana (Universitatea. de Stat "B. P. Hasdeu" din Cahul, 2021)
    În articol sunt analizate diferite metode de determinare a nitraţilor şi nitriţilor. Printre metodele cunoscute în special au fost analizate metodele spectrofotometrice – metoda lui Griess, metoda bazată pe reacţia de ...
  • Influența mediului de extracție asupra randamentului compușilor biologic activi din tescovina de struguri 
    GHENDOV-MOȘANU, Aliona (Universitatea. de Stat "B. P. Hasdeu" din Cahul, 2021)
    Extracția compușilor biologic activi (CBA) de origine vegetală prezintă un proces complex, fiind influențat de condițiile de extracție: hidromodulul, compoziția solventului, temperatura și durata procesului. Scopul ...
  • The particularities of the clarification process with bentonite of the wine vinegar 
    BOIȘTEAN, A.; CHIRSANOVA, A.; CIUMAC, J. (Galaţi University Press, 2019)
    Wine Vinegar is a vinegar obtained from wine by acetous fermentation and in which the maximum level for volatile acids in the raw materials may be exceeded. Of course well known and has occasioned the wine and vinegar trade ...
  • Impactul condițiilor de fermentare asupra calității oțetului de vin 
    BOISTEAN, A.; CHIRSANOVA, A.; CIUMAC, J.; GAINA, B. (Asociația Generală a Inginerilor din România, 2019)
    Cercetarea a fost dezvoltată pentru a cuantifica în mod fiabil și precis evoluția indicilor fizico-chimici (densitate, conținut de zahăr, pH, aciditate și alcool) în timpul fermentației alcoolice a sucurilor de struguri ...
  • Comparative analysis of two methods for detection the DNA of acetic acid bacteria by real‐time PCR 
    BOISTEAN, Alina; STURZA, Rodica; CHIRSANOVA, Aurica; MITINA, Irina (Universitatea Agrară de Stat din Moldova, 2022)
    Acetic acid bacteria (AAB) are very difficult to correctly identify at species levels based only on biochemical and physiological characteristics. For their proper identification, molecular analysis of the strains in ...
  • Technology of obtaining wine vinegar from grape concentrate 
    MARCU, Oxana (Stefan cel Mare University of Suceava, Romania, 2020)
    Within this study, was analyzed the technology of obtaining wine vinegar from grape concentrate. Optimal conditions were established for the alcoholic and acetic fermentation of the grape concentrate.
  • Development and optimization of new beverages based on different fruits or berries and white wine vinegar 
    BOIȘTEAN, Alina; POPOVICI, Violina (Universitatea "Dunărea de Jos", Galaţi, 2021)
    The aim of this study is to develop a new soft drink technology based on local fruits and white wine vinegar. The process includes the use of natural ingredients in the following ratio of components.
  • Выявление оптимального источника для изолирования уксуснокислых бактерий 
    БОИШТЯН, А. В.; КИРСАНОВА, А. И.; РУБЦОВ, С. Л.; КИСЕЛИЦА, Н. (ФНЦПС им. В. М. Горбатова Российской Академии Наук, 2020)
    Представлены результаты исследований по изолированию уксусно- кислых бактерий с гроздьев винограда, виноматериалов и органического уксуса и выявление максимального источника активных и жизнеспособных уксуснокислых бактерий ...
  • The particularities of the clarification process with bentonite of white wine vinegar 
    BOISTEAN, Alina; CHIRSANOVA, Aurica; CIUMAC, Jorj; GAINA, Boris (Federal Research Center for Food Systems of Russian Academy of Sciences, 2020)
    In this study, the physicochemical properties of Italian and German bentonites were evaluated, including the physicochemical characteristics of white wine vinegar. Once established, the optimal clarification regime and its ...
  • Autenticitatea și inofensivitatea produselor uvologice 
    STURZA, Rodica; GĂINĂ, Boris; IONETE, Roxana Elena; COSTINEL, Diana (Universitatea Tehnica din Cluj-Napoca, 2019)
    În monografia "Autenticitatea și inofensivitatea produselor uvologice" sunt analizate problemele legate de autenticitatea vinurilor și factorii de agresiune asupra strugurilor și produselor din struguri, care pot afecta ...
  • Compuşi biologic activi de origine horticolă pentru alimente fucţionale 
    GHENDOV-MOȘANU, Aliona (Universitatea Tehnica din Cluj-Napoca, 2019)
    Monografia “Compuși biologic activi de origine horticolă pentru alimente funcționale” reprezintă o sinteză amplă privind utilizarea compușilor biologic activi de origine vegetală horticolă (aronia, cătina albă, măceș, ...
  • GaN nanomembranes as memristors with self-rectification 
    DRAGOMAN, Mircea; CIOBANU, Vladimir; DRAGOMAN, Daniela; DINESCU, Adrian; BRANISTE, Tudor; TIGINYANU, Ion (Institute of Nanocience and Nanotechnology, INN, 2017)
    We have recently shown that GaN ultrathin membranes suspended on GaN nanowires having a thickness of 15 nm and planar dimensions of 12×184 microns are acting as memristive devices. The physical effect which explains this ...
  • Optoelectronic properties of gallium nitride thin membranes 
    BRANISTE, Tudor; POPA, Veaceslav; VOLCIUC, Olesea; TIGINYANU, Ion (Romanian Academy, 2015)
    We present the results of a systematic study of persistent photoconductivity (PPC) generated by UV-excitation in thin membranes based on crystalline GaN. The PPC was found to be optically quenched under extrinsic excitation ...
  • TiO2 nanotubular structures for optoelectronic and photonic applications 
    ENACHI, Mihai; CIOBANU, Vladimir; SERGENTU, Vladimir; URSAKI, Veaceslav (Romanian Academy, 2015)
    We prove analytically that metallized TiO2 nanotubular structures are characterized by negative refractive index which opens the possibility for their use as cost-effective focusing elements. Flat and concave lenses assembled ...
  • Plasma based nanoparticle synthesis: from preparation to function 
    POLONSKYI, Oleksandr; VAHL, A.; DREWES, J.; HINZ, A.; STRUNSKUS, T.; ABABII, N.; REIMER, T.; CHEMNITZ, S.; LUPAN, O.; ADELUNG, R.; FAUPEL, F. (Sumy State University, 2018)
    In this paper, we report on a recent progress in formation and deposition of NPs by the gas aggregation method. Examples range from noble (Au, Ag), through reactive (Al) to more advanced core-shell nanostructures [4]. The ...
  • Vertical Axis Wind Turbines: The Behavior of Lift and Drag Airfoils 
    BOSTAN, Viorel; BOSTAN, Ion; RABEI, Ivan; DULGHERU, Valeriu; CIUPERCA, Rodion (Springer International Publishing, 2019)
    The blade is the most important element of a wind turbine, as it is the component that largely governs the productivity and it is the main source of efficiency optimization. A blade is defined by the airfoil type. This ...
  • Numerical simulation of transient aerodynamic processes in the vertical axis wind turbine rotor 
    BOSTAN, Viorel; GUȚU, Marin; RABEI, Ion (Academia de Ştiinţe Tehnice din România, 2019)
    This paper describes the steps of elaboration of calculation model for dynamic simulation of a small vertical axis wind turbine rotor. The calculation model is based on the finite element analysis ANSYS CFX software. The ...
  • CuO/Cu2O Nanostructured Films for Gas Sensors 
    CRETU, Vasilii; ABABII, Nicolai; CHISTRUGA, Alexandru; MAGARIU, Nicolae; POSTICA, Vasile; LUPAN, Oleg (IEEE, 2019)
    The CuO/Cu 2 O nanostructured films were synthesized via a simple chemical solution based method (SCS). The morphological properties were investigated using a scanning electron microscope (SEM). The elaborated sensors based ...
  • Au-NPs/ZnO Single Nanowire Nanosensors for Health Care Applications 
    POSTICA, Vasile; CAVERS, Heather; ADELUNG, Rainer; PAUPORTÉ, Thierry; CHOW, Lee; LUPAN, Oleg (IEEE, 2020)
    Herein, the room temperature gas sensing properties of a device fabricatedbased on an individual gold nanoparticles (AuNPs)-functionalized zinc oxide nanowire (ZnO NW) is reported. The Au-NPs/ZnO nanowires were depositedusing ...

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