Now showing items 1-20 of 1064

    • A poowerful tool continue teaching students and ourselves 

      Khramtsova, M. V. (АГУ, 2013)
      Khramtsova, M. V. A poowerful tool continue teaching students and ourselves / M. V. Khramtsova // Межкультурная коммуникация и СМИ : материалы IV Международной научно-практической конференции, Барнаул, 15 июня 2013 г. – 2013. – С. 44-47.
    • Ab initio Study of Exciton Transfer Dynamics from a Core-Shell Semiconductor Quantum-Dot to a Porphyrin-Sensitizer 

      Kilin, D. S.; Tsemekhman, K.; Prezhdo, O. V.; Zenkevich, E. I.; Borczyskowski, C. von (2007)
      The observed resonance energy transfer in nanoassemblies of CdSe/ZnS quantum dots and pyridyl-substituted free-base porphyrin molecules [Zenkevich et al., J. Phys. Chem. B 109 (2005) 8679] is studied computationally by ab initio electronic structure and quantum dynamics approaches. The system harvests light in a broad energy range and can transfer the excitation from the dot ...
    • Acoustic Response to the Action of Nanosecond Laser Pulses on an In/CdTe Thin-Film Heterostructure 

      Vlasenko, A. I.; Veleshchuk, V. P.; Gnatyuk, V. A.; Levitskii, S. N.; Vlasenko, Z. K.; Ivlev, G. D.; Gatskevich, E. I. (2015)
      The photothermoacoustic method has been used for diagnostics of thermobarodynamic processes in the metal In(400 nm)/semiconductor (CdTe) thin-film system under nanosecond laser irradiation (7 ns, λ = 532 nm) in natural conditions (in air) and in a liquid medium (water). From the analysis of the data obtained, the dependence of the pressure induced in the energy-release region on ...
    • All-space existence and dispersion of athermal directions in monoclinic KY(WO4)2 

      Filippov, V.; Yumashev, K. V.; Kuleshov, N. V.; Pavlyuk, A. A.; Loiko, P. A. (Elsevier, 2014)
      The analytical expressions for thermo-optic coefficients, dn/dT, for “fast” and “slow” light waves propagating along the arbitrary direction in a biaxial crystal are derived. On the basis of these expressions, the all-space analysis of existence of athermal directions is performed for monoclinic and biaxial KY(WO4)2 at 1.03 μm. The calculations are performed for an arbitrary light ...
    • The analysis of various measures of the speed control of the traffic in the cities and settlements of the Republic of Belarus 

      Kapski, D. V.; Korzhova, A. V. (2017)
      The results of the analysis of various measures of calm of movement in cities and settlements are presented in the article. The alternative measures of physical and psychological effects on the traffic participants are considered. Particular attention is paid to the application of speed humps. They are installed on the streets of cities and settlements widely. The statistics of ...
    • Anchorage of Retaining Walls and Antilandslide Structures 

      Nikitenko, M.; Boiko, I.; Sernov, V.; Chernoshey, N.; Sikorae, N. (2013)
      The article describes the experience of designing, arrangement and testing of anchors for fixing the protection of deep foundation pits in narrow urban areas on various construction projects during the reconstruction.
    • Anisotropy of the photo-elastic effect in Nd : KGd(WO4) 2 laser crystals 

      Loiko, P. A.; Savitski, V. G.; Kemp, A.; Pavlyuk, A. A.; Kuleshov, N. V.; Yumashev, K. V. (Wiley, 2014)
      The anisotropy of thermal lensing and the photo-elastic effect is characterized for diodepumped Nd : KGd(WO4)2 crystals cut along the Np and Ng optical indicatrix axes and along its optical axis, O = Ng + 43°, at a laser wavelength of 1067 nm. Distortions in the spatial profile of the output laser beam are analyzed. The thermal lens is astigmatic; the orientation of its principal ...
    • Application of a software package for transmission line digital overcurrent protection testing in the Matlab-Simulink environment 

      Romanyuk, F. A.; Novash, I. V.; Rumiantsev, Y.; Rogalski, P. (2017)
      The article proves the possibility of implementing a software package for digital overcurrent protection testing in the Matlab-Simulink environment. A comparison of simulation results obtained with the use of the proposed software package with the results obtained with the use of the other software, as well as with the calculations of transient processes has been performed. The ...
    • Application of active powders at fluidised bed heat treatment technologies 

      Babul, T.; Kucharieva, N. (Inderscience Enterprises Ltd, 2014)
      The paper describes the principles and conditions of carrying out of a new type of fluidised bed thermochemical treatment in chemically active powders with different ways of fluidisation. These new fluidised bed thermochemical treatments in chemically active powders are primarily for the formation of surface diffusion layers on parts made of constructional and tool steel. This ...
    • Application of Modern Educational Technologies at the Research University 

      Kachalov, N.; Velsh, A.; Antonova, Z.; Konysheva, A.; Proschaeva, N. (2015)
      Application of modern educational technologies for diagnosing set education results, student motivation increase, influencing creative thinking ability aimed at problem solving, critical understanding of information and independent educational activity skills development are discussed in the paper.
    • Assembly principles and relaxation processes in nanosized heterogeneous complexes: Multiporphyrin structures and CdSе/ZnS nanocrystals 

      Zenkevich, E. I.; Borczyskowski, C. von (2009)
      Based on the extra-ligand addition effect, the principles of targeted self-assembly of nanosized multiporphyrin complexes of various types with controllable geometry and composition (up to 8 tetrapyrroles) and heterogeneous composites based on trioctylphosphine oxide-stabilized CdSe/ZnS semiconductor nanocrystals and organic compounds were developed. The dynamics and mechanisms ...
    • Bautin ideal of a cubic map 

      Benediktovitch, I.; Romanovski, V. (2001)
      We compute the radical of the ideal generated by the first three focus quantities of maps defined by irreducible branches of a cubic curve on the real plane. It is shown that the ideal is not radical in this case.
    • Behavior of nanoparticle clouds around a magnetized microsphere under magnetic and flow fields 

      Magnet, С.; Kuzhir, P.; Bossis, G.; Meunier, A.; Nave, S.; Zubarev, A.; Lomenech, C.; Bashtovoi, V. G. (American Physical Society, 2014)
      When a micron-sized magnetizable particle is introduced into a suspension of nanosized magnetic particles, the nanoparticles accumulate around the microparticle and form thick anisotropic clouds extended in the direction of the applied magnetic field. This phenomenon promotes colloidal stabilization of bimodal magnetic suspensions and allows efficient magnetic separation of ...
    • Belarusian National Technical University. 100 years of providing technical education 

      Kharytonchyk, S. V. (BIZ Print Media Technologies Private Limited, 2022)
      Kharytonchyk, S. V. Belarusian National Technical University. 100 years of providing technical education / S. V. Kharytonchyk // Higher Education Review. – 2022. – Vol. 9, Issue 1-2. – P. 10-12.
    • Biomechanical properties of composite compact-porous titanium produced by electric discharge sintering 

      Minko, D.; Belyavin, K.; Sheleg, V. (2017)
      The main disadvantage of currently used endosteal implants is their unsatisfactory biostable performance. Under action of functional stress caused by flaws of the design or lower mechanical characteristics the areas of stresses extreme concentration exceeding strength limits of bone tissue appears in the bone surrounding the implant that leads to the tearing away the implant. The ...
    • Bristlebots in swarm robotics - new approaches in modeling and agent development 

      Becker, F.; Zeidis, I.; Zimmermann, K.; Cuellar, F.; Pozo Fortunić, J. E.; Lysenko, V.; Minchenya, V. T. (2016)
      Bristlebots are vibration-driven mobile robots. They are characterized by small size, high speed, simple design and low costs of production and application, which are ad- vantageous qualities for agents of swarm robotic systems. In this paper, new ap- proaches in modeling and development of swarm agents are given. It is shown that a simple mass point model can be used to simulate ...
    • Broadly tunable femtosecond mode-locking in a Tm:KYW laser near 2 μm 

      Lagatsky, A. A.; Calvez, S.; Gupta, J. A.; Kisel, V. E.; Kuleshov, N. V.; Brown, C. T. A.; Dawson, M. D.; Sibbett, W. (Optical Society of America, 2011)
      Efficient mode-locking in a Tm:KY(WO4)(2) laser is demonstrated by using InGaAsSb quantum-well SESAMs. Self-starting ultrashort pulse generation was realized in the 1979-2074 nm spectral region. Maximum average output power up to 411 mW was produced around 1986 nm with the corresponding pulse duration and repetition rate of 549 fs and 105 MHz respectively. Optimised pulse durations ...
    • Business valuation in emerging markets 

      Trifonov, N. (TAF, 2008)
      Problems of peculiarities of business valuation techniques in emerging markets are discussed in the paper.
    • Calculation of Residual Magnetic-Field Distributions upon Hysteretic Interference of a Pulsed Magnetic Field 

      Pavlyuchenko, V. V.; Doroshevich, E. S.; Pivovarov, V. L. (2015)
      Equations that are used for the calculation and distributions of the electrical voltage U(t) output from a magnetic-field transducer as it scans a discrete magnetic medium with recorded residual magnetic fields, which were produced in it by acting individual magnetic-field pulses with opposite-polarity surges, are reported. The distributions were obtained via the Delphi programming ...
    • Central and Eastern European Countries 

      Trifonov, N. (Kluwer academic publishers, 2002)
      Trifonov, N. Central and Eastern European Countries / N. Trifonov // Real estate education throughout the world: past, present and future. – Kluwer academic publishers: 2002. – Chapter 5. – Р. 61-88.