Browsing Articole by Title

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  • TODOS, Petru; GHENCEA, Cristina; VÎRLAN, Petru; ADASCALIŢEI, Adrian (Universitatea Liberă Internaţională din Moldova, 2017)
    Online education constitutes an important component in the continuous growth / development of higher education and adult education. Its quality largely depends on the design rules and the evaluation standards of the programs ...
  • ANDRIEVSCHI, Serghei; LUNGU, Valeriu; CARCEA, Ala; LOZAN, Alexandru (Sciendo, 2013)
    The process of division – combining of streams in mixers with bars and radial and longitudinal scrapers was studied. The number of unique streams that are formed after passing each row of longitudinal bars and the total ...
  • STURZA, Rodica; LAZACOVICI, Olga (“Vasile Alecsandri” University of Bacău, 2017)
    The level of the carcinogenic mycotoxin ochratoxin A (OTA) in wines produced in Moldova, including bottled and raw material wines, was analyzed by enzyme-linked immunosorbent assay (ELISA) and high performance liquid ...
  • ZAPOROJAN, S. (Institute of Mathematics and Computer Science, 1996)
    This paper is concerned with the functional distributed architectures (FDA) performance. In this work a quantitative analysis of FDA performance has been carried out. The carried out analysis makes it possible to determine ...
  • MUNTYANU, Fiodor M.; GILEWSKI, Andrzej; CHISTOL, Vitalie; MUNTEANU, Viorel; ROGACKI, Krzysztof; SIDORENKO, Anatolie (Springer Nature Switzerland, 2018)
    This chapter reviews the results of study of electronic quantum transport, superconductivity, and magnetic phenomena of bicrystals of Bi and BiSb alloy system at temperatures 1.8–100 K and magnetic fields up to 400 kOe. A ...
  • DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    Injection lasers based on quantum well (QW) and quantum dots (QD) heterostructures with a low value of threshold current density Jth with continuous emission regime and output power value of 3W have been manufactured. VCSEL ...
  • SOBORNYTSKYY, N.; LISAUSKAS, A.; WEICKHMANN, C.; JAKOBI, R.; SEMENOV, A.; HÜBERS, H.; MÜLLER, R.; HOEHL, A.; COJOCARI, O. (IEEE, 2013)
    We present ultra-wideband zero-bias Schottky diode detector modules with monolithically integrated log-spiral antenna. Detectors exhibit a broad-band response with a stronger roll-off above 800 GHz and the minimum ...
  • COJOCARI, O.; SOBORNYTSKYY, N.; WEICKHMANN, C.; JAKOBY, R.; SEMENOV, A.; HÜBERS, H.; MÜLLER, R.; HOEHL, A. (IEEE, 2016)
    We present ultra-wideband zero-bias Schottky diode detector modules with monolithically integrated log-spiral antenna. Detectors exhibit a broad-band response with a stronger roll-off above 800 GHz and the minimum ...
  • MORARU, V. (Institute of Mathematics and Computer Science, 1995)
    In the present paper the problem of constrained equality optimization is reduced to sequential solving a series of problems of quadratic programming. The Hessian of the Lagrangian is approximated by a sequence of symmetric ...
  • SIDORENKO, A. S.; ZDRAVKOV, V. I.; PREPELITSA, A. A.; HELBIG, C.; LUO, Y.; GSELL, S.; SCHRECK, M.; KLIMM, S.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (Elservier, 2003)
    We investigated Nb/Ni bilayers prepared by DC magnetron sputtering on glass substrates. The quality of the films was characterized by small-angle X-ray diffraction analysis. The thickness of the layers was determined by ...
  • SIDORENKO, A. S.; ZDRAVKOV, V. I.; KEHRLE, J.; MORARI, R.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; KUPRIYANOV, M. Yu.; RYAZANOV, V. V.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (Springer Nature Switzerland, 2009)
    In a ferromagnet (F) being in contact with a superconductor (S) an unconventional finite-momentum pairing of electrons forming Cooper pairs occurs. As a consequence, interference effects of the pairing wave function, leading ...
  • MUHSIN, Ali; GUZMÁN, Robinson Cruzoe; COJOCARI, Oleg; NELLEN, Simon; SANTAMARÍA, Gabriel; GARCÍA-MUÑOZ, Luis Enrique; SEGOVIA-VARGAS, Daniel; GLOBISCH, Björn; CARPINTERO, Guillermo (Springer Nature Switzerland, 2019)
    A wireless link using quasi-optic transmitter and receiver modules is demonstrated, enabling carrier wave frequency selection within various millimeter-wave bands from E-band to D-band without changing the modules. The ...
  • MUHSIN, Ali; GUZMAN, Robinson Cruzoe; RIVERA-LAVADO, Alejandro; COJOCARI, Oleg; GARCIA-MUFIOZ, Luis Enrique; CARPINTERO, Guillermo (IEEE, 2018)
    We report on the development of a compact quasioptical zero-bias Schottky barrier diode (QO-SBD) envelope detector for mmWave/sub-THz frequencies. The detector consists of a Schottky diode mounted on a self-complementary ...
  • TIGINYANU, I. M.; URSAKI, V. V.; MONAICO, E.; ENACHI, M.; SERGENTU, V. V.; COLIBABA, G.; NEDEOGLO, D. D.; COJOCARU, A.; FÖLL, H. (American Scientific Publishers, 2011)
    We report on templated fabrication of metal nanotubes by electrochemical pulsed deposition of Pt in InP and ZnSe porous layers with pore diameters from 40 to 400 nm. Ordered two-dimensional hexagonal arrays of pores are ...
  • DULGHERU, Valeriu (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2017)
    Academia de Știinţe a Moldovei trebuie să rămână o entitate de cercetare reformată, optimizată, restructurată, dar integră. Până la urmă, eșecul acestei așa numite reformări ar putea să ne coste enorm, iar banii sunt ai ...
  • POPOVICI, Cristina; BAERLE, Alexei; RADU, Oxana; TATAROV, Pavel (National University of Food Technologies, Kiev, 2016)
    Among the nuts, walnut is characterized by its important amount of oil (60-65% of flesh weight). The oil extracted from walnut exhibits high contents of polyunsaturated fatty acids ω-6 (linoleic acid) and ω-3 (linolenic ...
  • COJUHARI, Elena; GARDNER, Barry (Institutul de Matematică şi Informatică al AŞM, 2017)
    By results of Slin’ko and of Anderson, the locally nilpotent and nil radicals of algebras over a field of characteristic 0 are preserved by derivations. This note deals with radical preservation by various generalizations ...
  • TIGINYANU, I. M.; MIAO, J.; HARTNAGEL, H. L.; RUCK, D.; TINSCHERT, K.; URSAKI, V. V.; ICHIZLI, V. M. (IEEE, 1996)
    The goal of this work was to study the peculiarities of lattice disorder and conductivity compensation caused by N-implantation in liquid encapsulated Czochralski grown n-InP single crystals. The ion-induced damage of the ...
  • URSAKI, V. V.; TERLETSKY, A. I.; TIGINYANU, I. M. (IEEE, 1998)
    It is shown that Zn/sup +//P/sup +/ co-implantation in combination with rapid thermal annealing (RTA) allows one to obtain p-type GaAs layers with the peak hole concentration as high as 2.10/sup 19/ cm/sup -3/ and narrow ...
  • ZALAMAI, V. V.; SYRBU, N. N.; BEJAN, N. P.; HIRJEU, I. (Institutul de Fizică Aplicată, 2016)
    Raman scattering spectra in different geometries at temperatures 10 - 300 K and infrared vibrational spectra were investigated for PbGa2Se crystals. Contours of reflection spectra were calculated and parameters of phonons ...

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