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of 28
pro vyhledávání: '"František, Peterka"'
Autor:
Martin, Motola, Leonid, Satrapinskyy, Tomáš, Roch, Jan, Šubrt, Jaroslav, Kupčík, Mariana, Klementová, Michaela, Jakubičková, František, Peterka, Gustav, Plesch
Publikováno v:
In Catalysis Today 1 June 2017 287:59-64
Publikováno v:
Materials, Vol 11, Iss 10, p 1787 (2018)
Silver nanoparticles synthesized with polymers as coating agents is an effective method to overcome their poor stability and aggregation in solution. Silver-polyethylene glycol (Ag-PEG) nanoparticles were synthesized with the thiol-functionalized pol
Externí odkaz:
https://doaj.org/article/e0e8f64ad13747159e0550bb59057b22
Publikováno v:
Chemistry-Didactics-Ecology-Metrology. 20:113-122
With the increasing air pollutants particularly in the cities the deteriorating conditions of the buildings accelerate. One of the non-invasive and cheap promising ways how to prevent the buildings against the aged processes caused by biological poll
Publikováno v:
Materials; Volume 11; Issue 10; Pages: 1787
Materials, Vol 11, Iss 10, p 1787 (2018)
Materials
Materials, Vol 11, Iss 10, p 1787 (2018)
Materials
Silver nanoparticles synthesized with polymers as coating agents is an effective method to overcome their poor stability and aggregation in solution. Silver-polyethylene glycol (Ag-PEG) nanoparticles were synthesized with the thiol-functionalized pol
Autor:
František Peterka, Aleš Tondl
Publikováno v:
Chaos, Solitons & Fractals. 19:1283-1290
The excited, one degree of freedom mechanical system with soft impacts, characterised by triangle hysteresis loop, is investigated using numerical simulation. Small viscous damping is assumed. Phenomena of subharmonic motions are explained by regions
Publikováno v:
Chaos, Solitons & Fractals. 19:1251-1259
Chaotic motion of an intermittency type of the impact oscillator appears near segments of saddle-node stability boundaries of subharmonic motions with two different impacts in motion period, which is n multiple (n ≥ 3) of excitation period. Chaotic
Autor:
František Peterka, Ladislav Půst
Publikováno v:
Meccanica. 38:99-116
Dynamic properties of simple mechanical 1 DOF system containing soft stop is described and analyzed. The proposed general dynamical impact model respects the nonlinearity of the restoring contact force between solid bodies as function of deformation
Publikováno v:
Chaos, Solitons & Fractals. 9:1321-1338
The exact solution of the fundamental periodic impact motion of the simple mechanical system with impacts attached to a sinusoidally excited primary mass of the system is derived analytically and its graphical representation is shown. The presented a
Autor:
František Peterka
Publikováno v:
Chaos, Solitons & Fractals. 7:1635-1647
The motion of mechanical systems with impacts is strongly nonlinear. Many different types of periodic and chaotic impact motions exist even for simple systems with external periodic excitation forces. The group of fundamental periodic motions is char
Publikováno v:
International Journal of Heat and Mass Transfer. 33:1105-1120
The most frequently used approach to the description of liquid transfer in porous media is based on its analogy with the diffusion process. It introduces effective diffusivity D(u) depending on actual moisture content u. On the basis of experimental