Prohlížení Acta Polytechnica dle názvu

Zobrazují se záznamy 512-531 z 880

    • Monitoring the internal structure behaviour of alkali-activated slag paste: effect of the curing mode 

      Autor: Nápravník, Petr; Kocáb, Dalibor; Bílek, Jr., Vlastimil; Lisztwan, Dominik; Kucharczyková, Barbara
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This paper deals with the monitoring of the internal structure behaviour of an alkaliactivated slag (AAS) paste. The slag was activated with a 4M solution of sodium hydroxide. The behaviour of the internal structure of the ...

    • MOONLIGHT: A NEW LUNAR LASER RANGING RETROREFLECTOR AND THE LUNAR GEODETIC PRECESSION 

      Autor: Martini, M.; Dell’Agnello, S.; Currie, D.; Delle Monache, G. O.; Vittori, R.; Berardi, S.; Boni, A.; Cantone, C.; Ciocci, E.; Lops, C.; Garattini, M.; Maiello, M.; Patrizi, G.; Tibuzzi, M.; Intaglietta, N.; Chandler, J.; Bianco, G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Since the 1970s Lunar Laser Ranging (LLR) to the Apollo Cube Corner Retroreflector (CCR) arrays (developed by the University of Maryland, UMD) supplied almost all significant tests of General Relativity (Alley et al., 1970; ...

    • MOONLIGHT: A NEW LUNAR LASER RANGING RETROREFLECTOR INSTRUMENT 

      Autor: Garattini, M.; Dell’Agnello, S.; Currie, D.; Delle Monache, G. O.; Tibuzzi, M.; Patrizi, G.; Berardi, S.; Boni, A.; Cantone, C.; Itaglietta, N.; Lops, C.; Maiello, M.; Martini, M.; Vittori, R.; Bianco, G.; March, R.; Bellettini, G.; Tauraso, R.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Since 1969 Lunar Laser Ranging (LLR) to the Apollo Cube Corner Reflector (CCR) arrays has supplied several significant tests of gravity: Geodetic Precession, the Strong and Weak Equivalence Principle (SEP, WEP), the ...

    • MULTIDIMENSIONAL HYBRID BOUNDARY VALUE PROBLEM 

      Autor: Szajewska , Marzena; Tereszkiewicz Maria, Agnieszka
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The purpose of this paper is to discuss three types of boundary conditions for few families of special functions orthogonal on the fundamental region. Boundary value problems are considered on a simplex F in the real ...

    • Multidimensional mobile mapping and integrated approach for the digitalisation of underground transport infrastructure 

      Autor: Foria, Federico; Calicchio, Mario; Moretti, Laura; Loprencipe, Giuseppe
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The tunnel industry has started focusing on the maintenance and management challenges of an existing infrastructure. It is an urgent matter in industrialised countries, where the stakeholders’ attention is increasing at a ...

    • Multigroup Approximation of Radiation Transfer in SF6 Arc Plasmas 

      Autor: Bartlova , Milada; Aubrecht , Vladimir; Bogatyreva , Nadezhda; Holcman , Vladimir
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The first order of the method of spherical harmonics (P1-approximation) has been used to evaluate the radiation properties of arc plasmas of various mixtures of SF6 and PTFE ((C2F4)n, polytetrafluoroethylene) in the ...

    • MULTILAYER COATINGS Ti/TiN Cr/CrN AND W/WN DEPOSITED BY MAGNETRON SPUTTERING FOR IMPROVEMENT OF ADHESION TO BASE MATERIALS 

      Autor: Horník , Jakub; Krum , Stanislav; Tondl , David; Puchnin , Maxim; Sachr , Pavel; Cvrček , Ladislav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The paper deals with evaluation of single and multilayer layer PVD coatings based on Cr and Ti widely used in tool application. Additionally, W and WN based coating which are not so widespread were designed and deposited ...

    • MULTIROBOT MOTION PLANNING: A MODIFIED RECEDING HORIZON APPROACH FOR REACHING GOAL STATES 

      Autor: Mendes Filho M., José; Lucet , Eric
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This paper proposes the real-time implementation of an algorithm for collision-free motion planning based on a receding horizon approach, for the navigation of a team of mobile robots in presence of obstacles of different ...

    • MULTIVARIATE INTERPOLATION USING POLYHARMONIC SPLINES 

      Autor: Segeth, Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      Data measuring and further processing is the fundamental activity in all branches of science and technology. Data interpolation has been an important part of computational mathematics for a long time. In the paper, we are ...

    • NATM TUNNELS – CONSIDERATION OF THE PARTLY DAMAGED PRIMARY LINING IMPACT FOR THE SECONDARY LINING EVALUATION 

      Autor: Trunda , Vlastislav; Hilar , Matouš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Tunnels excavated by the New Austrian Tunnelling Method (NATM) are traditionally supported by a double-shell lining. The primary lining is generated from reinforced sprayed concrete with rockbolts, the secondary lining is ...

    • Neural network based patient recovery estimation of a PAM-based rehabilitation robot 

      Autor: Dinh, Van-Vuong; Trinh, Minh-Chien; Bui, Tien-Dat; Duong, Minh-Duc; Dao, Quy-Thinh
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Rehabilitation robots have shown a promise in aiding patient recovery by supporting them in repetitive, systematic training sessions. A critical factor in the success of such training is the patient’s recovery progress, ...

    • NEURINGER-ROSEINWEIG MODEL BASED LONGITUDINALLY ROUGH POROUS CIRCULAR STEPPED PLATES IN THE EXISTENCE OF COUPLE STRESS 

      Autor: Vashi , Yoginibahen Devendrasinh; Patel , Rakesh Manilal; Deheri , Gunamani Biswanath
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      This study intents to scrutinize the impact of ferrofluid in the presence of couple stress for longitudinally rough porous circular stepped plates. The influence of longitudinal surface roughness is developed using the ...

    • NEUTRINOLESS DOUBLE BETA DECAY: AN EXTREME CHALLENGE 

      Autor: Ferroni, Fernando
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Neutrino-less Double Beta Decay is the only known way to possibly resolve the nature of neutrino mass. The chances to cover the mass region predicted by the inverted hierarchy require a step forward in detector capability. ...

    • NEUTRINOS AS COSMIC MESSENGERS IN THE ERA OF ICECUBE, ANTARES AND KM3NET 

      Autor: Katz, Uli F.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Using neutrinos as cosmic messengers for observation of non-thermal processes in the Universe is a highly attractive and promising vision, which has been pursued in various neutrino telescope projects for more than two ...

    • NEUTRINOS FROM ICARUS 

      Autor: Farnese, Christian
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Liquid Argon Time Projection Chambers are very promising detectors for neutrino and astroparticle physics due to their high granularity, good energy resolution and 3D imaging, allowing for a precise event reconstruction. ...

    • New Abrasive Materials and Their Influence on the Surface Quality of Bearing Steel After Grinding 

      Autor: Jusko , Ondrej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper focuses on the influence of various types of abrasive grains on cutting properties during the grinding process for bearing steel. In this experiment, not only conventional super-hard abrasive materials but also ...

    • NEW APPROACH FOR ONLINE ARABIC MANUSCRIPT RECOGNITION BY DEEP BELIEF NETWORK 

      Autor: Samir , Benbakreti; Boukelif , Aoued
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In this paper, we present a neural approach for an unconstrained Arabic manuscript recognition using the online writing signal rather than images. First, we build the database which contains 2800 characters and 4800 words ...

    • NEW CONCEPT OF SOLVABILITY IN QUANTUM MECHANICS 

      Autor: Znojil , Miloslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      In quite a few recent quantum models one is allowed to make a given Hamiltonian H self-adjoint only after an ad hoc generalization of Hermitian conjugation, H†→H‡:= Θ −1H†Θ wherethe suitable operator Θ is called Hilbert-space ...

    • NEW METHOD EVALUATION OF DETAIL MATERIAL AND HEAT FLOWS FOR SINGLE STRING CEMENT CLINKER PLANT 

      Autor: Darmanto, Prihadi Setyo; Astina, I Made; Wardhana, Alfian Kusuma; Amalia, Alfi; Syahlan, Arief
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      Material flow in each main equipment of a cement clinker plant, which is very useful for controlling the process, is impossible to be measured during operation due to very high temperatures. This paper intends to overcome ...

    • NEW SPECTRAL STATISTICS FOR ENSEMBLES OF 2 × 2 REAL SYMMETRIC RANDOM MATRICES 

      Autor: Kumar , Sachin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      We investigate spacing statistics for ensembles of various real random matrices where the matrix-elements have various Probability Distribution Function (PDF: f(x)) including Gaussian. For two modifications of 2 × 2 matrices ...