Browsing Colecția instituțională by Title

Sort by: Order: Results:

  • SubMM-wave multipliers by film-diode technology 
    COJOCARI, Oleg; OPREA, Ion; GIBSON, Hugh; WALBER, Achim (IEEE, 2016)
    A series of THz-MIC-s were successfully fabricated by a so-called Film-Diode process. Sub-millimeter-wave multipliers based on these MIC-s were tested with excellent results. Peak measured output power of these multipliers ...
  • Subnormalizing Extensions and D-structures 
    COJUHARI, E. P.; GARDNER, B. J. (Bons Offices, 2018)
    In this talk all rings have identity but need not be commutative. In many cases the ring A(G; σ) is a subnormalizing extension of A generated by G. On the other hand, if S is a subnormalizing extension of R, the xi form a ...
  • Substrate-dependent wetting layer formation during GaN growth: Impact on the morphology of the films 
    SIDORENKO, A.; PEISERT, H.; NEUMANN, H.; CHASSÉ, T. (American Institute of Physics, 2007)
    We have compared epitaxial growth of GaN films on 6H-SiC(0001)-(√3×√3) R30°−Ga and on (0001)-sapphire. Predeposited Ga layers were nitrided by ion beam assisted molecular beam epitaxy. Whereas on SiC the initially deposited ...
  • Subvenționarea în agricultură 
    BURLACU, Alexandra (Universitatea Agrară de Stat din Moldova, 2022)
    Scopul cercetării este analiza activităților de subvenționare în agricultură și mediul rural în zonele Republicii Moldova. Subvențiile reprezintă un ajutor financiar nerambursabil și neimpozabil, acordat din fondul de ...
  • The sufficient center conditions for a class of bidimensional polynomial systems of differential equations with nonlinearities of the fourth degree 
    CALIN, Iurie; CIUBOTARU, Stanislav (Bons Offices, 2018)
    In this paper we consider the class of systems (1) (or (2)) with the conditions I3 = 0, I1 =0, I2 > 0. The conditions I1 = 0, I2 > 0 mean that the eigenvalues of the Jacobian matrix at the singular point (0, 0) are pure ...
  • The sufficient center conditions for some classes of bidimensional cubic differential systems 
    CALIN, Iurie; BALTAG, Valeriu (Bons Offices, 2018)
    The definition of the transvectant of two polynomials is well known in the classical invariant theory. By using the transvectants for the system (1) the following GL(2, R)-invariants were constructed.
  • Sugar based Carbon Quantum Dots for luminophores applications 
    LOŞMANSCHII, C.; PODGORNII, D.; SECRIERU, V.; MUNTEANU, E.; GORGAN, D. (Romanian Inventors Forum, 2019)
    Based on their luminescent properties, carbon nanoparticles (CQD) are promising materials in the field of luminophores applications. The applied synthetic approach permits obtaining CQD with high quantum yield, which can ...
  • Suicide phenomenon in the modern society 
    PLĂMĂDEALĂ, Maxim; GUSEV, Roman; MACRII, Danu (Universitatea Tehnică a Moldovei, 2023)
    Suicide is a global problem that is caused by a lot of factors, such as demographic, age, gender factores, and, therefore, is hard to reduce its rate quickly, it is a long way process. Being a social problem, it influences ...
  • Suivi de la situation écologique des systèmes aquatiques de type fluvial à travers le prisme du développement durable 
    BRANIŞTE, Rodica (Universitatea Tehnică a Moldovei, 2022)
    Le présent article décrit la situation écologique précaire des sources d'eau potable, les polluants les plus significatifs et la description des principales sources de pollution des eaux. L'objectif général au niveau local ...
  • Sulfated polysaccharides as agents for free radicals annihilation in spirulina biomass cultivated under the induced illumination stress conditions 
    RUDIC, V.; RUDI, L.; CHIRIAC, T.; CEPOI, L.; MISCU, V.; CODREANU, S.; DJUR, S.; VALUȚA, A.; SADOVNIC, D.; GHELBET, V.; DUMBRĂVEANU, V.; CHELMENCIUC, V.; DONI, V. (Academia de Ştiinţe a Republicii Moldova, Institutul de Microbiologie şi Biotehnologie, 2016)
    Spirulina platensis is the source of sulfated polysaccharides known as Na (Ca) spirulan with antiviral and anti-inflammatory action. In the cell sulfated polysaccharides as polyanionic complexes located on the external ...
  • Sulfato bis nicotinoilhidrazon 2,6 diacetilpiridin cobalt ii monometanol trihidrat şi procedeu de cultivare a microalgei Porphyridium cruentum cu utilizarea acestuia 
    RUDIC, Valeriu; DANILESCU, Olga; BULHAC, Ion; CEPOI, Liliana; RUDI, Ludmila; BOLOGA, Olga; RIJA, Andrei; MISCU, Vera; CHIRIAC, Tatiana; VALUŢA, Ana (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2019)
    Invenţia se referă la chimie şi biotehnologie, şi anume la sinteza unui nou compus coordinativ al cobaltului(II) şi la un procedeu de cultivare a microalgei Porphyridium cruentum cu utilizarea acestuia. Conform invenţiei, ...
  • Sulphitation of wine products with solution prepared of tartaric acid and potassium sulphite 
    COVACI, Ecaterina; PRIDA, Ivan (Tipografia Academiei de Ştiinţe a Moldovei, 2019)
    Sulphitation of wine products is a routine process widely used in the wine industry at various stages of production and regulated by normative and technological documents of wine products manufacturing. Disposing of the ...
  • Sun system guidance of a group of photovoltaic panels 
    BOSTAN, I.; DULGHERU, V.; BOSTAN, V.; DUMITRESCU, C.; CIOBANU, R.; CIOBANU, O.; COZMA, I. (Romanian Inventors Forum, 2016)
    The invention relates to the thermal power plants without fuel burning and CO2 production, namely to plants for solar energy conversion into electrical energy. The photovoltaic station include a group of panel with solar ...
  • Sun system guidance of a group of photovoltaic panels 
    BOSTAN, Ion; DULGHERU, Valeriu; DUMITRESCU, Cătălin; CIOBANU, Radu; CIOBANU, Oleg (Technical University "Gheorghe Asachi" of Iași, 2018)
    The invention relates to the thermal power plants without fuel burning and CO2 production, namely plants for solar energy conversion into electrical energy. The photovoltaic station includes a panel of solar panels with ...
  • Sun system guidance of photovoltaic panels 
    BOSTAN, Ion; DULGHERU, Valeriu; BOSTAN, Viorel; DUMITRESCU, Cătălin; CIOBANU, Radu; CIOBANU, Oleg; COZMA, Ion (Technical University "Gheorghe Asachi" of Iași, 2017)
    The invention relates to the thermal power plants without fuel burning and CO2 production, namely to plants for solar energy conversion into electrical energy. The photovoltaic station include a group of panel with solar ...
  • Superconducting and normal properties of the set of Mo/Si superlattices with variable Si layer thickness 
    MIKHAILOV, M. Yu.; YUZEPHOVICH, O. I.; POKHILA, A. S.; BOMZE, Yu. V.; FOGEL, N. Ya.; DMITRENKO, I. M.; YULIN, S. A.; SIDORENKO, A. S.; MOLDOVAN, O. B.; BUCHSTAB, E. I. (American Institute of Physics, 1999)
    We report the results of the superconducting and kinetic parameter measurements (transition temperature Tc, parallel and perpendicular critical fields Hc2, resistivity in the normal state) on a set of Mo/Si superconducting ...
  • Superconducting and weak ferromagnetic features at interfaces of bicrystals of 3D topological insulator BI 1-XSB X 
    MUNTYANU, F. M.; ZALESKI, A. J.; ROGACKI, K.; CHISTOL, V. (Institutul de Fizică Aplicată, 2018)
    In this report we present the results of study of the magnetic and superconducting properties of bicrystals of 3D topological insulator (TI) Bi1-xSbx (0 ≤x ≤ 0.2) in temperature range 1.8-100K using Quantum Design SQUID ...
  • Superconducting crystallite interfaces with Tc up to 21 K in Bi and Bi-Sb bicrystals of inclination type 
    MUNTYANU, F. M.; GILEWSKI, A.; NENKOV, K.; ZALESKI, A.; CHISTOL, V. (Elsevier, 2008)
    Magnetic properties of high quality Bi and Bi1−x–Sbx (x≤0.07) bicrystals of inclination type were studied in the temperature range (1.8–30) K using a quantum design SQUID magnetometer. It is found that the crystallite ...
  • Superconducting features at Bi-Sb twisting crystallite interfaces 
    MUNTYANU, F. M.; GILEWSKI, A.; ZALESKI, A. J.; CHISTOL, V.; ROGACKI, K. (Institutul de Fizică Aplicată, 2016)
    We present the results of the study of quantum oscillations, magnetic and superconducting properties of the twisting bicrystals of 3D topological insulator Bi1-xSbx (0.07 < x < 0.15) at low temperatures and in magnetic ...
  • Superconducting Fractal Multilayers 
    SIDORENKO, A. S. (World Scientific Publishing Co Pte Ltd, 1997)
    The influence of fractal geometry on superconductivity has been studied for layered superconductors. Superconducting multilayers consisting of alternating Nb and Cu layers with fractal stacking sequence and fractal dimension ...

Search DSpace


Browse

My Account