Prohlížení Acta Polytechnica dle názvu

Zobrazují se záznamy 634-653 z 880

    • PRECISE COSMIC RAYS MEASUREMENTS WITH PAMELA 

      Autor: Bruno, A.; Adriani, O.; Barbarino, G. C.; Bazilevskaya, G. A.; Bellotti, R.; Boezio, M.; Bogomolov, E. A.; Bongi, M.; Bonvicini, V.; Borisov, S.; Bottai, S.; Cafagna, F.; Campana, D.; Carbone, R.; Carlson, P.; Casolino, M.; Castellini, G.; Consiglio, L.; De Pascale, M. P.; De Santis, C.; De Simone, N.; Di Felice, V.; Galper, A. M.; Gillard, W.; Grishantseva, L.; Jerse, G.; Karelin, A. V.; Kheymits, M. D.; Koldashov, S. V.; Krutkov, S. Y.; Kvashnin, A. N.; Leonov, A.; Malakhov, V.; Marcelli, L.; Mayorov, A. G.; Menn, W.; Mikhailov, V. V.; Mocchiutti, E.; Monaco, A.; Mori, N.; Nikonov, N.; Osteria, G.; Palma, F.; Papini, P.; Pearce, M.; Picozza, P.; Pizzolotto, C.; Ricci, M.; Ricciarini, S. B.; Rossetto, L.; Sarkar, R.; Simon, M.; Sparvoli, R.; Spillantini, P.; Stozhkov, Y. I.; Vacchi, A.; Vannuccini, E.; Vasilyev, G.; Voronov, S. A.; Yurkin, Y. T.; Wu, J.; Zampa, G.; Zampa, N.; Zverev, V. G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The PAMELA experiment was launched on board the Resurs-DK1 satellite on June 15th 2006. The apparatus was designed to conduct precision studies of charged cosmic radiation over a wide energy range, from tens of MeV up to ...

    • Prediction of Lower Extremity Movement by Cyclograms 

      Autor: Kutilek , P.; Viteckova , S.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Human gait is nowadays undergoing extensive analysis. Predictions of leg movements can be used for orthosis and prosthesis programming, and also for rehabilitation. Our work focuses on predicting human gait with the use ...

    • Prediction of temperature field distribution in a gas turbine using a higher order neural network 

      Autor: Pařez, Jan; Kovář, Patrik; Tater, Adam
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This paper presents the prediction of temperature field distribution in a single annular section using an artificial neural network (ANN). This temperature distribution is non-uniform on the outer tube due to continuous ...

    • Predictive Models in Diagnosis of Alzheimer’s Disease from EEG 

      Autor: Tylova , Lucie; Kukal , Jaromir; Vysata , Oldrich
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The fluctuation of an EEG signal is a useful symptom of EEG quasi-stationarity. Linear predictive models of three types and their prediction error are studied via traditional and robust measures. The resulting EEG ...

    • Preliminary prospects of a Carnot-battery based on a supercritical CO2 Brayton cycle 

      Autor: Rindt, Karin; Hrdlička, František; Novotný, Václav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      As a part of the change towards a higher usage of renewable energy sources, which naturally deliver the energy intermittently, the need for energy storage systems is increasing. For the compensation of the disturbance in ...

    • PRELIMINARY STUDY ON COMBUSTION AND OVERALL PARAMETERS OF SYNGAS FUEL MIXTURES FOR SPARK IGNITION COMBUSTION ENGINE 

      Autor: Toman , Rastislav; Polóni , Marián; Chríbik , Andrej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This paper presents a numerical study on a group of alternative gaseous fuels – syngases, and their use in the spark-ignition internal combustion engine Lombardini LGW 702. These syngas fuel mixtures consist mainly of ...

    • PRIMARY PEAK RATIO CORRELATION TO THE MEASUREMENT ACCURACY OF PIV METHOD 

      Autor: Novotny , Jan; Machovska , Ilona
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      An estimation of a measurement accuracy at each measured point is crucial regarding the applicability of results of the measurements. The aim of this work is to determine the correlation between individual metrics and the ...

    • Problems with reinforced concrete industrial floors with regard to subsoil swelling 

      Autor: Pruška, Jan; Šedivý, Miroslav; Anderle, Vojtěch
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)
      Most of the problems associated with open cracks in reinforced concrete industrial floors do not arise from technological indiscipline in the execution or exceeding the permitted floor load, but from the geotechnical profile ...

    • Process optimization and performance evaluation of a downdraft gasifier for energy generation from wood biomass 

      Autor: Daniyan, Ilesanmi; Ale, Felix; Uchegbu, Ikenna Damian; Bello, Kazeem; Osazele, Momoh
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      In recent time, due to the increasing demand for energy and the need to address environment-related issues, a great deal of focus has been given to alternative sources of energy, which are green, sustainable and safe. This ...

    • Production of Biocellulosic Ethanol from Wheat Straw 

      Autor: Ismail ,; Ali , W.; Braim ,; Rasul , R.; Ketuly ,; Aziz , K.; Bujag , Awang; Shamsiah , D. Siti; Arifin ,; Zainudin ,
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Wheat straw is an abundant lignocellulosic feedstock in many parts of the world, and has been selected for producing ethanol in an economically feasible manner. It contains a mixture of sugars (hexoses and pentoses).Two-stage ...

    • Production of Biodiesel from Vegetable Oil Using Microware Irradiation 

      Autor: Kapilan , N.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The petroleum oil supply crisis, the increase in demand and the price eruption have led to a search for an alternative fuel of bio-origin in India. Among the alternative fuels, biodiesel is considered as a sustainable ...

    • PRODUCTION OF PROTOTYPE PARTS USING DIRECT METAL LASER SINTERING TECHNOLOGY 

      Autor: Sedlak , Josef; Zemčík , Oskar; Slaný , Martin; Chladil , Josef; Kouřil , Karel; Sekerka , Vít; Rozkošný , Luboš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Unconventional methods of modern materials preparation include additive technologies which involve the sintering of powders of different chemical composition, granularity, physical, chemical and other utility properties. ...

    • PROPERTIES AND MICROSTRUCTURE OF CEMENT PASTE INCLUDING RECYCLED CONCRETE POWDER 

      Autor: Topič , Jaroslav; Prošek , Zdenek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The disposal and further recycling of concrete is being investigated worldwide, because the issue of complete recycling has not yet been fully resolved. A fundamental difficulty faced by researchers is the reuse of the ...

    • PROPERTIES OF A DIFFERENTIAL SEQUENCE BASED UPON THE KUMMER-SCHWARZ EQUATION 

      Autor: Maharaj , Adhir; Andriopoulos , Kostis; Leach , Peter
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      In this paper, we determine a recursion operator for the Kummer-Schwarz equation, which leads to a sequence with unacceptable singularity properties. A different sequence is devised based upon the relationship between the ...

    • PROPOSAL OF NEW OPTICAL ELEMENTS 

      Autor: Chadzitaskos , Goce; Tolar , Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      A overview of our patented proposals of new optical elements is presented. The elements are suitable for laser pulse analysis, telescopy, X-ray microscopy and X-ray telescopy. They are based on the interference properties ...

    • PROTECTION OF WOODEN MATERIALS AGAINST BIOLOGICAL ATTACK BY USING NANOTECHNOLOGY 

      Autor: Havrlik , Michal; Ryparová , Pavla
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This article is focused on protection of wooden materials by using nanofibrous textiles with biocidal addition, which continues on the work of a group at the Center for Nanotechnology at the Faculty of Civil Engineering ...

    • PROTON STOPPING POWER OF DIFFERENT DENSITY PROFILE PLASMAS 

      Autor: Casas , David; Barriga-Carrasco , Manuel D.; Andreev , Alexander A.; Schnürer , Matthias; Morales , Roberto
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      In this work, the stopping power of a partially ionized plasma is analyzed by means of free electron stopping and bound electron stopping. For the first instance, the RPA dielectric function is used, and for the latter ...

    • Proton- and -radiation of the Micro-Pinch with the Boron-Containing Target 

      Autor: Gurin , Anatolii A.; Adamenko , Andrii S.; Adamenko , Stanislav V.; Kuzmenko , Mykola M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Using ion pinhole camera and track detectors, the image of hot spot is recorded in a pulsed diode micro-pinch equipped with a solid anode target. The track image is a record of repeated fronts of fast protons with energies ...

    • PŘEDMLUVA 

      Autor: Bodnár, Tomáš; Dvořák, Rudolf
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)

    • PYROLYSIS OF BROWN COAL USING A CATALYST BASED ON W–Ni 

      Autor: Jílková , Lenka; Ciahotný , Karel; Kusý , Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Tars from pyrolysis of brown coal can be refined to obtain compounds suitable for fuel production. However, it is problematic to refine the liquids from brown coal pyrolysis, because high molecular compounds are produced, ...