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  • Porous coatings obtained on titanium after IMPULSE – PEO processes 
    ROKOSZ, K.; HRYNIEWICZ, T.; DUDEK, Ł.; PIETRZAK, K.; RAAEN, S.; MALORNY, W.; CIUPERCA, R. (IOP Publishing, 2019)
    The surface stereometry and chemical compositions of porous coatings obtained during Plasma Electrolytic Oxidation, PEO / (Micro Arc Oxidation, MAO) processes with use of impulse regime with different frequencies were the ...
  • Porous II-VI vs. porous III-V semiconductors 
    LANGA, S.; TIGINYANU, I. M.; MONAICO, E.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2011)
    In this work a morphological comparison of porous structures obtained by means of electrochemical etching in II-VI (ZnSe, CdSe) and III-V (InP, GaAs, GaP) semiconductors is presented. It is shown that in III-V semiconductors ...
  • Porous III–V compound semiconductors: formation, properties, and comparison to silicon 
    FÖLL, H.; CARSTENSEN, J.; LANGA, S.; CHRISTOPHERSEN, M.; TIGINYANU, I. M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    Pore formation in n-type III–V semiconductors will be discussed and compared to pore formation in silicon. While by now many different kinds of pores were produced in silicon, the “pore zoology” in III–Vs was rather limited ...
  • Porous III–V compounds as nonlinear optical materials 
    TIGINYANU, I. M.; KRAVETSKY, I. V.; LANGA, S.; MAROWSKY, G.; MONECKE, J.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    Electrochemical etching is shown to represent a unique approach for tailoring linear and nonlinear optical properties of III–V compounds. We demonstrate that under defined etching conditions uniformly distributed pores ...
  • Porous InP as Piezoelectric Component in Magneto-Electric Composite Sensors 
    GERNGROSS, Mark-Daniel; SPRINCEAN, Veaceslav; LEISNER, Malte; CARSTENSEN, Jürgen; FÖLL, Helmut; TIGINYANU, Ion (The Electrochemical Society, 2011)
    We report on the fabrication of cheap piezoelectric porous InP templates by electrochemical etching and additional purely chemical post-etching and on the galvanic filling of the resulting nanopore array with Ni-Fe using ...
  • Porous morphologies in Si, III-V and II-VI compounds: a comparative study 
    LANGA, S.; MONAICO, E.; FÖLL, H.; TIGINYANU, I. M. (Technical University of Moldova, 2009)
    Porous morphologies obtained during the anodization of semiconductors are mainly determined by particular characteristics of the semiconductor-electrolyte interfaces and the bulk properties of the semiconductor itself. ...
  • Porous semiconductor compounds 
    MONAICO, Eduard; TIGINYANU, Ion; URSAKI, Veaceslav (IOP Publishing, 2020)
    In this review paper, we present a comparative analysis of the electrochemical dissolution of III–V (InP, GaAs, GaN), II–VI (ZnSe, CdSe) and SiC semiconductor compounds. The resulting morphologies are discussed, including ...
  • Porous Semiconductor Compounds with Engineered Morphology as a Platform for Various Applications 
    MONAICO, Eduard V.; MONAICO, Elena I.; URSAKI, Veaceslav V.; TIGINYANU, Ion M. (Wiley-VCH GmbH, Weinheim, 2023)
    Porous semiconductor compounds represent a class of materials which is under an intense research focus over the last years. Herein, morphologies and topologies produced by anodization in binary semiconductor compounds ...
  • Portul Internaţional Liber Giurgiuleşti – obiect strategic pentru economia Republicii Moldova 
    BÂRDAN, Veaceslav (Academia Militară a Forţelor Armate “Alexandru cel Bun”, 2015)
    Geopolitical events taking place in the Black Sea region in recent years, not only warned the bordering states or those in the region, but also the entire international community. This has caused neighboring countries to ...
  • Posibilități de identificare a pigmenților la procesarea materiilor oleaginoase 
    BANTEA-ZAGAREANU, Valentina (Academia de Științe a Moldovei, 2023)
    Producția de culturi oleaginoase este o direcție prioritară pentru Republica Moldova, favorizată de clima temperată, solurile adânci și fertile. Aceasta are un rol deosebit în asigurarea securității alimentare a țării și ...
  • Posibilităţi de utilizare a făinii de boboase în tehnologia panificaţiei 
    ZESTREA, Rodica; POPESCU, Varvara; BOEŞTEAN, Olga (Agenţia de Stat pentru Proprietate Intelectuală a Republicii Moldova, 2015)
    Au fost studiate aspectele generale, compoziţia chimică, beneficiile și posibilităţile de utilizare a făinii de boboase in panificaţie. Scopul acestui studiu este de a investiga influenaţa făinii de boboase asupra produselor ...
  • Possibilities of using soy proteine isolate for the packaging of Juglans Regia l. Nuts 
    BOIŞTEAN, Alina; CHIRSANOVA, Aurica (Institutul de Microbiologie şi Biotehnologie, 2018)
    The walnut has gained popularity because of its specific attractive organoleptic properties and high levels of essential fatty acids and bioactive components such as antioxidants. Walnut production is widely distributed ...
  • Possibilities to increase the energy efficiency of buildings 
    TIRSU, Mihai; POSTORONCA, Sveatoslav; MARTNOS, Ion (Academia de Studii Economice din Moldova, 2016)
    In the paper the solutions how to decrease the energy consumption for the most common types of buildings in urban areas of The Republic of Moldova using the modern practice of improving energy efficiency are shown. Here ...
  • Possible coherent backscattering of lightwaves from a strongly absorbing nanoporous medium 
    GAPONENKO, Sergey V.; MONAICO, Eduard; SERGENTU, Vladimir V.; PRISLOPSKI, Sergey Ya.; TIGINYANU, Ion M. (IOP Publishing, 2018)
    We report on anomalous light retroreflection from strongly absorbing nanoporous semiconductor materials, GaAs and InP, with strongly polarized retroreflected light with linear polarization coinciding with that of incident ...
  • Possible Operation Modes of Moldovan, Ukrainian and Romanian Electrical Power Systems Joint Work 
    POSTOLATI, V.; BYKOVA, E.; BERZAN, V.; BOSHNEAGA, V.; SUSLOV, V.; RADILOV, T. (Institutul de Energetica al AŞM, 2015)
    Types of intersystem controlled tie-lines, that may allow the joint work of power systems of Moldova, Ukraine and Romania, are proposed in this paper. The use of intersystem controlled ac transmission lines based on compact ...
  • Post-embryonic changes in the rabbit reproductive system 
    DIDORUC, S. (Національна Академія Аграрних Наук України, 2022)
    Goal. The purpose of the study is to assess the optimal age when using rabbits in reproduction on the basis of morphometric analysis of segments of the reproductive system.
  • Post-spinel transformations and equation of state in ZnGa2O4: Determination at high pressure by in situ x-ray diffraction 
    ERRANDONEA, D.; KUMAR, Ravhi S.; MANJÓN, F. J.; URSAKI, V. V.; RUSU, E. V. (American Physical Society, 2009)
    Room temperature angle-dispersive x-ray diffraction measurements on spinel ZnGa2O4 up to 56 GPa show evidence of two structural phase transformations. At 31.2 GPa, ZnGa2O4 undergoes a transition from the cubic spinel ...
  • A posteriori error analysis for elliptic variational inequalities of the second kind 
    BOSTAN, V.; HAN, W.; REDDY, B. D. (Elsevier, 2003)
    This chapter derives the posteriori error estimates for the finite element approximation of elliptic variational inequalities of the second kind, by using the duality theory in convex analysis. An example in which the ...
  • A posteriori error analysis for finite element solutions of a frictional contact problem 
    BOSTAN, Viorel; HAN, Weimin (Elsevier, 2006)
    In this paper, we derive and analyze a residual type a posteriori error estimator for finite element approximations of a frictional contact problem for linearized elastic materials. The reliability of the estimator is ...
  • A posteriori error estimation and adaptive solution of elliptic variational inequalities of the second kind 
    BOSTAN, Viorel; HAN, Weimin; REDDY, B. D. (Elsevier, 2005)
    In this paper, we perform an a posteriori error analysis for adaptive finite element solutions of elliptic variational inequalities of the second kind. A general framework for a posteriori error estimates is established ...

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