Browsing Articole ştiinţifice by Title

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  • Generarea danturilor din angrenajul precesional prin deformare plastică 
    TRIFAN, Nicolae (Universitatea de Stat „Alecu Russo" din Bălţi, 2016)
    The purpose of this paper is to investigate a method to manufacture gears with variable convex - concave profile of precessional gear teeth by plastic deformation with precessional tool and determine the speed of deformation.
  • Generation of coherent phonon pulses by hot electrons in non-crystalline semiconductors 
    ANDRIESH, A. M.; ENAKI, N. A.; KOROLI, V. I.; CULEAC, I. P.; CIORNEA, V. I. (National Institute of Optoelectronics, Romania, 2000)
    We study the cooperative generation of phonon pulses in semiconductors by groups of inverted equidistant multilevel coupled excitations (electrons, excitons). Such equidistant systems take place in chalcogenide glasses ...
  • Generation of precessional gear teeth by plastic deformation 
    TRIFAN, N.; CIOBANU, R.; CIOBANU, O. (IOP Publishing, 2021)
    The correct choice of the dimensions of the workpiece product is one of the main problems, the solution of which depends on the reduction of the consumption of materials and energy, as well as the quality of the wheels ...
  • Generation of the teeth precessional gears by plastic deformation 
    BOSTAN, I.; DULGHERU, V.; TRIFAN, N. (IOP Publishing, 2018)
    The paper presents a method for obtaining the teeth of the precessional gear by plastic deformation. There are analyzed the basic problems that must be resolved to apply this process: determination of dimensions of initial ...
  • Geographical Origin Identification of Moldavian Wines by Neutron Activation Analysis 
    ZINICOVSCAIA, Inga; DULIU, Octavian G.; CULICOV, Otilia Ana; STURZA, Rodica; BILICI, Constantin; GUNDORINA, Svetlana (Springer Nature Switzerland, 2017)
    To get more data regarding the elemental transfer from soil to wine, the neutron activation analysis was used to determine 35 elements in vineyard chernozem soil and 18 elements in wines from Romanesti and Cricova, Republic ...
  • Geometrical Aspects of the Covariant Dynamics of Higher Order 
    OPRIŞ, D.; ALBU, I. D. (Springer Nature Switzerland, 1998)
    We present some geometrical aspects of a higher-order jet bundle which is considered a suitable framework for the study of higher-order dynamics in continuous media. We generalize some results obtained by A. Vondra, [7]. ...
  • Geometrical characteristics of the stability domain in the restricted problem of eight bodies 
    CEBOTARU, Elena (SCREAM, 2019)
    The eight-body Newtonian problem is studied. Applying the symbolic calculation system Mathematica the stationary solutions, their stability in numerical form and the geometric characteristics of the stability domain are studied.
  • The geometry of fractional osculator bundle of higher order and applications 
    ALBU, Ion Doru; NEAMŢU, Mihaela; OPRIŞ, Dumitru (Cornell University, 2007)
    Using the reviewed Riemann-Liouville fractional derivative we define the bundle Eak= Oscak(M) and highlight geometrical structures with a geometrical character. Also, we introduce the fractional osculator Lagrange space ...
  • The geometry of fractional tangent bundle and applications 
    ALBU, Ion Doru; OPRIŞ, Dumitru (Geometry Balkan Press, 2009)
    The authors present the use of the revised fractional Riemann-Liouville derivative in the fractional tangent bundle of order k, TM ak, of a differential manifold M and the behavior of some objects under a change of local ...
  • Générateurs axiaux à entrefer lisse 
    AMBROS, Tudor; DIMOV, Diana (Ştefan cel Mare University of Suceava, Romania, 2009)
    L’analyse des générateurs à flux magnétique axial excités par des aimants permanents est réalisée pour sélécter une construction technologique simple fiable est efficiente. En application la méthode de l’élement fini dans ...
  • Ge–As–Te-based gas sensor selective to low NO2 concentrations 
    MARIAN, S.; TSIULYANU, D.; LIESS, H.-D. (Elsevier, 2001)
    A new kind of gas sensor based on chalcogenide glassy semiconductors for the detection of nitrogen dioxide has been investigated. It contains a sandwich metal–semiconductor (Ge–As–Te ternary alloys)–metal structure which ...
  • Giant oscillations of coupling strength in Mo/Si multilayers with constant semiconductor thickness 
    FOGEL, Nina Ya.; TURUTANOV, Oleg G.; SIDORENKO, Anatoly S.; BUCHSTAB, Evgeny I. (American Physical Society, 1997)
    We report the observation of anisotropy ratio γ and interlayer-coupling-strength oscillations with variation of metal-layer thickness in Mo/Si multilayer series with constant Si-layer thickness. These oscillations correlate ...
  • Giant oscillations of coupling strength on Mo/Si multilayers with the constant thickness of semiconductor layers 
    FOGEL, Nina Ya.; TURUTANOV, Oleg G.; SIDORENKO, Anatoly S.; BUCHSTAB, Eugene I. (Springer Nature Switzerland, 1996)
    We report the observation of anisotropy ratio γ and interlayer coupling strength oscillations with variation of metal layer thickness on Mo/Si multilayer series with constant Si layer thickness. These oscillations correlate ...
  • Giant quantum oscillations of the magnetothermoelectric coefficient in semimetallic Sb-Bi and Sb-As alloys 
    MUNTYANU, F. M.; PYRTSAK, K. M.; GILEVSKI, A. (Springer Nature Switzerland, 2001)
    Quantum oscillations of the magnetothermoelectric coefficient αii(B) are investigated in semimetallic Sb-Bi and Sb-As alloys in stationary magnetic fields up to 15 T and at temperatures from 1.9 to 30 K. Quantum oscillations ...
  • Goat milk yougurt as a potentially functional food 
    POPOVICI, Cristina; BRÎNZA, Renata; CARTASEV, Anatoli; MIGALATIEV, Olga; BOGDAN, Nina; GOLUBI, Roman; GRUMEZA, Irina; COEV, Ghenadie; CARAGIA, Vavil (University of Rousse Angel Kanchev, Bulgaria, 2018)
    Recently, there is a growth in the usage of goat’s milk products, which have valuable nutritional properties for humans and can be positioned as a healthy diet product. Goat milk and goat's milk dairy products can be used ...
  • Goji berries general characteristics 
    DODON, Adelina; DICUSAR, Galina; BOLOHAN, Livia (Gradina Botanică (Institut) a AŞM, 2015)
    The paper represents a study of the biological and nutritional potentials of Goji fruits. In our country, Goji fruits aren’t as well-known as sea buckthorns and rose hip cultures, that’s why there should be performed a ...
  • Gold Electroplating as a Tool for Assessing the Conductivity of InP Nanostructures Fabricated by Anodic Etching of Crystalline Substrates 
    MONAICO, E. V.; TIGINYANU, I. M.; URSAKI, V. V.; NIELSCH, K.; BALAN, D.; PRODANA, M.; ENACHESCU, M. (The Electrochemical Society, 2017)
    Electroplating is shown to represent a simple and effective tool for assessing the conductivity of InP nanostructures fabricated by electrochemical etching of InP wafers. A mixture of nanowalls, nanowires and nanobelts was ...
  • Good News vs. Bad News: What are they talking about? 
    KANISHCHEVA, Olga; BOBICEV, Victoria (INCOMA Ltd., 2017)
    Today’s massive news streams demand the automate analysis which is provided by various online news explorers. However, most of them do not provide sentiment analysis. The main problem of sentiment analysis of news is the ...
  • Grafica satirică în creaţia plasticianului Iurie Rumeanţev 
    ADASCALIŢA, Lucia (Institutul Patrimoniului Cultural al AŞM, 2021)
    Grafica satirică este una de rezonanță în artele plastice din Republica Moldova. Aidoma unui barometru social și cultural a reliefat perceperea și oglindirea plastică a evenimentelor și schimbărilor specifice vremii. La ...
  • Grain boundary wetting in the Al-Mg system and synthesis of magnesium diboride in contact with melt 
    STRAUMAL, B. B.; GORNAKOVA, A. S.; MAZILKIN, A. A.; STRAUMAL, A. B.; NEKRASOV, A. N.; CONDREA, E. P.; SIDORENKO, A. S.; SURDU, A. V. (Springer Nature Switzerland, 2009)
    The interaction between a Mg-containing melt and B under conditions of partial and complete wetting of Al/Al grain boundaries by Al-Mg melt has been investigated. The study was performed on Al polycrystals with Mg contents ...

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