Browsing Articole ştiinţifice by Title

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  • Polarizarea catodului din oţel 45 la depunerea acoperirilor electrolitice de fier în prezenţa caprolactamei 
    STOICEV, Petru; RADU, Rodion; GAMREŢKI, Igor; TOPALĂ, Pavel; BALANDIN, Anton; OJEGOV, Alexandr (Universitatea de Stat „Alecu Russo“ din Bălţi, 2011)
    În această lucrare se prezintă analiza procesului cinematicii acoperirilor galvanice de fier electrolitic şi a influenţei conţinutului de caprolactamă asupra curbelor de polarizare catodice.
  • Polarizarea catodului din oţel 45 la depunerea acoperirilor electrolitice de fier în prezenţa caprolactamiei 
    STOICEV, P.; RADU, R.; GAMREŢKI, I.; TOPALĂ, P.; BALANDIN, A.; OJEGOV, A. (Universitatea Agrară de Stat din Moldova, 2011)
    In this paper it is presented an analysis of galvanic deposition process kinematics with electrolytic iron and the caprolactam influence on the cathode polarization curves.
  • Polarized Retroreflection from Nanoporous III–V Semiconductors 
    PRISLOPSKI, S. Ya.; GAPONENKO, S. V.; MONAICO, E.; SERGENTU, V. V.; TIGINYANU, I. M. (Springer Nature Switzerland, 2018)
    Retroreflected light with strong linear polarization coinciding with that of the incident beams is detected from strongly absorbing nanoporous III–V semiconductors. Because of high polarization of retroreflected waves we ...
  • Politica de marketing a furnizorilor de servicii sub influența comportamentului consumatorilor pe piața comunicațiilor electronice 
    GUJUMAN, Lucia; SAVA, Lilia; VINOKUROVA, Marina; SOROCHIN, Serafima (Institutul de Cercetari Economice şi Sociale “Gheorghe Zane”, Iaşi, 2021)
    Digital transformation is about delivering technology in an efficient, accountable, transparent and audible way for the benefit of all. This involves applying technology to create a culture that embraces new digital ...
  • Politica de mediu – componentă a modelului european al dezvoltării durabile 
    CĂRBUNE, Natalia (Universitatea Liberă Internaţională din Moldova, 2014)
    Dezvoltarea durabilă se referă la un mod de dezvoltare umană, în care se are ca scop utilizarea resurselor pentru satisfacerea nevoilor umane păstrând în acelaşi timp mediul înconjurător, pentru a îndeplini nevoile nu doar ...
  • Politica vamală a statelor româneşti în perioada secolelor XVIII-XIX 
    LUPAŞCU, Zinaida (Universitatea de Stat din Moldova, 2008)
    Concerning the customs tariff during the Ottoman domination, the Russian-Turkish treaty signed in Constantinopol on June 10, 1783 establishing commercial relations of the Romanian Principalities with the neigbouring states, ...
  • Politicile de stat ale Republicii Sovietice Socialiste Moldoveneşti ─ instrument de reglementare a patrimoniului arhitectural 
    OSTAPOV, Alina (Academia de Ştiinţe a Moldovei, 2019)
    Instrumentele politice sovietice erau orientate nu doare spre salvgardarea, ci şi spre popularizarea patrimoniului imobil şi relevarea importanţei acestuia, in aşa mod formandu- se o societate de o cultură inaltă. Comunitatea ...
  • Politicile publice în Uniunea Europeană 
    LAZARIUC, Cristina (Universitatea de Studii Politice şi Economice Europene „Constantin Stere”, 2017)
    The Lisbon Treaty for the first time clarifies the powers of the Union. It distinguishes three types of competences: exclusive competence, where the Union alone can legislate, and Member States only implement; shared ...
  • Polițistul ca actor al justiției moldave 
    SÎTARI, Elena; LUPAŞCU, Zinaida (Universitatea de Studii Europene din Moldova, 2019)
    Republica Moldova, ca stat de drept, funcționează datorită instituțiilor sale fundamentale, care se constituie în sisteme, având atribuții specifice, dar care, în același timp, interacționează permanent. În acest sens, ...
  • Pollution of the food chain and environment by phthalates from polymers materials 
    DUCA, Gheorghe; STURZA, Rodica; LAZAKOVICH, Dmitri (Academy of Sciences of Moldova, 2017)
    During 2010-2015years were tested over 4,000 samples of food products for the presence of phthalates residue, the results of which demonstrated the problem of pollution. It was noted that the phthalate migration depends ...
  • Poly(p-phenylene vinylene)/porous GaP composite materials 
    LE RENDU, P.; NGUYEN, T. P.; LAKEHAL, M.; IP, J.; TIGINYANU, I. M.; SARUA, A.; IRMER, G. (ELSEVIER, 2001)
    We report results obtained from physical characterization of thin composite films made by mixing poly(p-phenylene vinylene) (PPV) and porous gallium phosphide (GaP) particles with different GaP concentrations. Optical ...
  • Polymer nanocomposite based on styrene with butyl methacrylate and inorganic semiconductor CdsS 
    IOVU, Mihail; ENACHESCU, Mihai; CULEAC, Ion; VERLAN, Victor; ROBU, Stefan; BOJIN, Dionezie; NISTOR, Iurie; COJOCARU, Ion (Institutul de Chimie, AŞ, 2014)
    We present experimental results on copolymer-based nanocomposite made of styrene with butyl methacrylate (1:1) and inorganic semiconductor CdS. Thin fi lm composite samples have been characterized by UVVis absorption and ...
  • Polysilicon thin layers for photovoltaic applications 
    BUDIANU, E.; PURICA, M.; RUSU, E.; MANEA, E.; GAVRILA, R. (IEEE, 2002)
    Thin layers of polycrystalline silicon as the optically absorbing material for photovoltaic devices represents a promising way for simultaneously achieving good performances and low manufacturing cost. In this paper, the ...
  • Pore Etching in III-V and II-VI Semiconductor Compounds in Neutral Electrolyte 
    TIGINYANU, I. M.; URSAKI, V. V.; MONAICO, E.; FOCA, E.; FÖLL, H. (The Electrochemical Society, 2007)
    We propose to use a neutral electrolyte based on an aqueous solution of instead of commonly used aggressive acids or alkaline electrolytes for the purpose of electrochemical nanostructuring of and substrates. It is shown ...
  • Pores in III–V semiconductors 
    FÖLL, H.; LANGA, S.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; TIGINYANU, I. M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    The paper reviews electrochemically etched pores in III–V compound semiconductors (GaP, InP, GaAs) with emphasis on nucleation and formation mechanisms, pore geometries and morphologies, and to several instances of ...
  • Pork and bovine liver important sources of nutrients 
    GORNET, V.; SANDULACHI, E.; GORNET, E. (National Academy of Packaging, Plovdiv, 2013)
    This study includes the methodology of obtaining the functional products with high nutritional value. Nutritional quality of food is determined by: the content and quality of carbohydrates, proteins and lipids, content of ...
  • Porosification of III–V and II–VI Semiconductor Compounds 
    EDUARD, Monaico; GLEB, Colibaba; DMITRII, Nedeoglo; KORNELIUS, Nielsch (American Scientific Publishers, 2014)
    We report on a comparative study of the pore growth during anodization of a narrow-bandgap III–V compound (InAs), a medium-bandgap III–V one (InP) and wide-bandgap II–VI semiconductors (ZnSe and Zn0.4Cd0.6S). According to ...
  • Porosity-induced blueshift of photoluminescence in CdSe 
    MONAICO, E.; URSAKI, V. V.; TIGINYANU, I. M. (American Institute of Physics, 2006)
    Porous CdSe layers have been fabricated by anodic etching of n-type single crystalline substrates with different values of conductivity. The morphology and porosity of the layers thus produced were found to be controlled ...
  • Porosity-induced gain of luminescence in CdSe 
    MONAICO, E.; URSAKI, V. V.; URBIETA, A.; FERNÁNDEZ, P.; PIQUERAS, J.; BOYD, R. W.; TIGINYANU, I. M. (IOP Publishing, 2004)
    Porous CdSe layers have been produced by anodic etching of crystalline substrates in a HCl solution. Anodization under in situ UV illumination resulted in the formation of uniformly distributed parallel pores with a diameter ...
  • Porous ceramics based on hybrid inorganic tetrapodal networks for efficient photocatalysis and water purification 
    GRÖTTRUP, Jorit; SCHÜTT, Fabian; SMAZNA, Daria; LUPAN, Oleg; ADELUNG, Rainer; MISHRA, Yogendra Kumar (ELSEVIER, 2017)
    The present work demonstrates a very simple and unique strategy for efficient photocatalysis using ZnO ceramic nano- and microtetrapods synthesized by a flame transport synthesis approach. Due to their three-dimensional ...

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