Colecția instituțională: Recent submissions

  • Innovative recovery of winemaking waste for effective lead removal from wastewater 
    UNGUREANU, Gabriela; PATRAS, Antoanela; CARA, Irina Gabriela; STURZA, Rodica; GHENDOV-MOSANU, Aliona (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    Every year, important quantities of winemaking waste create problems for wine producers. These problems arise from the difficulty of disposing of grape marc, which can pollute the environment and affect nearby agricultural ...
  • Wavelength modulation optical spectra of Ag3AsS3 crystals in the energy gap 
    ZALAMAI, V. V.; TIRON, A. V.; STAMOV, I. G.; BERIL, S. I. (Elsevier B.V., 2022)
    Absorption spectra of Ag3AsS3 single crystals in E||c and E⊥c polarizations were investigated at temperatures 10 and 300 K. The edge absorption temperature dependence was analyzed in temperature range 300 - 10 K in E⊥c and ...
  • Cloudiness and water from cloud seeding in connection with plants distribution in the Republic of Moldova 
    VALJAREVIĆ, Aleksandar; POPOVICI, Cristina; ŠTILIĆ, Anđelka; RADOJKOVIĆ, Milan (Springer Science and Business Media Deutschland GmbH, 2022)
    Clouds play an important role in maintaining the balance in the environment. Cloudiness can influence numerous important ecological drivers, including growth, survival and distribution of plants. The cloud cover dynamics ...
  • Long-term monitoring of high optical imagery of the stratospheric clouds and their properties new approaches and conclusions 
    VALJAREVIC´, Aleksandar; POPOVICI, Cristina; DJEKIC´, Tatjana; MORAR, Cezar; FILIPOVIC´, Dejan; LUKIC´, Tin (Elsevier B.V., 2022)
    The investigation of weather properties and clouds distribution in the stratosphere is rare, but essential for science. In this research, twenty years of satellite recordings showed the properties of stratospheric clouds ...
  • Core–Shell structures prepared by atomic layer deposition on GaAs nanowires 
    URSAKI, Veaceslav V.; LEHMANN, Sebastian; ZALAMAI, Victor V.; MORARI, Vadim; NIELSCH, Kornelius; TIGINYANU, Ion M.; MONAICO, Eduard V. (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    GaAs nanowire arrays have been prepared by anodization of GaAs substrates. The nanowires produced on (111)B GaAs substrates were found to be oriented predominantly perpendicular to the substrate surface. The prepared ...
  • Characteristics of monolithic multisection distributed-Bragg-reflector master-oscillator power-amplifiers 
    TRONCIU, Vasile; GRIGORIEV, Eugeniu; ZINK, Christof; WENZEL, Hans (Springer, 2022)
    We report theoretical results on the wavelength stability of a multisection master-oscillator power-amplifier emitting at 1064 nm. We use a traveling wave equation model to calculate the optical output power and spectral ...
  • Privacy and reader-first authentication in Vaudenay's RFID model with temporary state disclosure 
    ȚIPLEA, Ferucio Laurențiu; HRISTEA, Cristian; BULAI, Rodica (Institute of Mathematics and Computer Science, 2022)
    Privacy and mutual authentication under corruption with temporary state disclosure are two significant requirements for real-life applications of RFID schemes. This paper proposes two practical RFID schemes that meet these ...
  • Clean energy and resiliency concepts and its application in WEDISTRICT project 
    SANDULEAC, Mihai; IONESCU, Constantin; DAMIAN, Ioan-Cătălin; EFREMOV, Cristina; DIACONU, Teodor (General Association of the Engineers in Romania (AGIR), 2022)
    The paper presents concepts for clean energy and resiliency applied for a combined heat and electrical energy community. By using renewable energy produced with local PV panels, the heat and cold obtained with a heat ...
  • The response of beech (Fagus sylvatica L.) populations to climate in the easternmost sites of its European distribution 
    ROIBU, Catalin-Constantin; PALAGHIANU, Ciprian; NAGAVCIUC, Viorica; IONITA, Monica; SFECLA, Victor; MURSA, Andrei; CRIVELLARO, Alan; STIRBU, Marian-Ionut; COTOS, Mihai-Gabriel; POPA, Andrei; SFECLA, Irina; POPA, Ionel (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    In the context of forecasted climate change scenarios, the growth of forest tree species at their distribution margin is crucial to adapt current forest management strategies. Analyses of beech (Fagus sylvatica L.) growth ...
  • Efficient extraction of total polyphenols from apple and investigation of its SPF properties 
    OPRIȘ, Ocsana; LUNG, Ildiko; SORAN, Maria-Loredana; STEGARESCU, Adina; CESCO, Tatiana; GHENDOV-MOSANU, Aliona; PODEA, Paula; STURZA, Rodica (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    The purpose of this study was to evaluate the sun protection factor (SPF) of cosmetic emulsions with the addition of hydroalcoholic apple extract. First, the total polyphenolic content, the antioxidant activity and SPF ...
  • Spin-Coating and aerosol spray pyrolysis processed Zn1−xMgxO films for UV detector applications 
    MORARI, Vadim; URSAKI, Veaceslav V.; RUSU, Emil V.; ZALAMAI, Victor V.; COLPO, Pascal; TIGINYANU, Ion M. (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    A series of Zn1−xMgxO thin films with x ranging from 0 to 0.8 were prepared by spin coating and aerosol spray pyrolysis deposition on Si and quartz substrates. The morphology, composition, nano-crystalline structure, and ...
  • Core–Shell GaAs-Fe nanowire arrays: fabrication using electrochemical etching and deposition and study of their magnetic properties 
    MONAICO, Eduard V.; MORARI, Vadim; URSAKI, Veaceslav V.; NIELSCH, Kornelius; TIGINYANU, Ion M. (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    The preparation of GaAs nanowire templates with the cost-effective electrochemical etching of (001) and (111)B GaAs substrates in a 1M HNO3 electrolyte is reported. The electrochemical etching resulted in the obtaining of ...
  • Magnetic properties of GaAs/NiFe coaxial Core-Shell structures 
    MONAICO, Eduard V.; MORARI, Vadim; KUTUZAU, Maksim; URSAKI, Veaceslav V.; NIELSCH, Kornelius; TIGINYANU, Ion M. (Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    Uniform nanogranular NiFe layers with Ni contents of 65%, 80%, and 100% have been electroplated in the potentiostatic deposition mode on both planar substrates and arrays of nanowires prepared by the anodization of GaAs ...
  • Ferromagnetic core-shell coaxial nanostructures on gallium arsenide substrates 
    MONAICO, E. V.; MORARI, V.; KUTUZAU, M.; URSAKI, V. V.; NIELSCH, K.; TIGINYANU, I. M. (House of the Romanian Academy, 2022)
    Fe and NiFe coatings have been electrochemically deposited on GaAs nanowires arrays prepared by electrochemical etching of (001) and (111)B GaAs substrates in a 1M HNO3 electrolyte. It was found that deposition in galvanostatic ...
  • Electrochemical deposition of ferromagnetic ni nanoparticles in InP nanotemplates fabricated by anodic etching using environmentally friendly electrolyte 
    MOISE, Calin Constantin; MIHAI, Geanina Valentina; ANICAI, Liana; MONAICO, Eduard V.; URSAKI, Veaceslav V.; ENACHESCU, Marius; TIGINYANU, Ion M. (Publisher: Multidisciplinary Digital Publishing Institute (MDPI), 2022)
    Porous InP templates possessing a thickness of up to 100 µm and uniformly distributed porosity were prepared by anodic etching of InP substrates exhibiting different electrical conductivities, involving an environmentally ...
  • Nanosensors based on a single ZnO:eu nanowire for hydrogen gas sensing 
    LUPAN, Cristian; MISHRA, Abhishek Kumar; WOLFF, Niklas; DREWES, Jonas; KRÜGER, Helge; VAHL, Alexander; LUPAN, Oleg; PAUPORTÉ, Thierry; VIANA, Bruno; KIENLE, Lorenz; ADELUNG, Rainer; DE LEEUW, Nora H; HANSEN, Sandra (American Chemical Society, 2022)
    Fast detection of hydrogen gas leakage or its release in different environments, especially in large electric vehicle batteries, is a major challenge for sensing applications. In this study, the morphological, structural, ...
  • Min(max-PSD) and max(min-PSD) as lifetime distributions in network's reliability 
    LEAHU, Alexei; ANDRIEVSCHI-BAGRIN, Veronica; CIORBĂ, Dumitru; FIODOROV, Ion (Sciendo, 2022)
    In our paper we describe the corresponding dynamic mathematical models to perform a comparative analysis of the reliability of two types of networks: serial-parallel and parallel-serial when the number of subnetworks is ...
  • Protein-corona formation on aluminum doped zinc oxide and gallium nitride nanoparticles 
    CIOBANU, Vladimir; RONCARI, Francesco; CECCONE, Giacomo; BRANISTE, Tudor; PONTI, Jessica; BOGNI, Alessia; GUERRINI, Giuditta; CASSANO, Domenico; COLPO, Pascal; TIGINYANU, Ion (SAGE Publications, 2022)
    The interaction of semiconductor nanoparticles with bio-molecules attracts increasing interest of researchers, considering the reactivity of nanoparticles and the possibility to control their properties remotely giving ...
  • The role of hydrogen solutions in the energy transition phase in Romania 
    GOLOVANOV, Nicolae; GHEORGHE, Ștefan; MOGOREANU, Nicolae (General Association of the Engineers in Romania (AGIR), 2022)
    Concerns about reaching the target of decarbonisind of energy systems by 2050 have led to hydrogen coming to the attention of energy specialists as a primary source of energy both as fuel in power plants and as input into ...
  • Sustainable energy transition roadmap to 2050 for Republic of Moldova 
    EFREMOV, Cristina; CERNEI, Mihai; LEU, Vasile (General Association of the Engineers in Romania (AGIR), 2022)
    The present paper is entirely devoted to the conceptual elements of a roadmap for the energy transition in the Republic of Moldova that can be developed exclusively in the elaboration of the Energy Strategy toward 2050. ...

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