Filters
total: 11007
filtered: 9745
-
Catalog
Chosen catalog filters
displaying 1000 best results Help
Search results for: multipitch analysis
-
Analysis of Impulse Responses Measured in Motion in a Towing Tank
PublicationThe growing interest in developing autonomous underwater vehicles (AUVs) and creating underwater sensor networks (USNs) has led to a need for communication tools in underwater environments. For obvious reasons, wireless means of communication are the most desirable. However, conducting research in real conditions is troublesome and costly. Moreover, as hydroacoustic propagation conditions change very significantly, even during...
-
Dynamic and tomography analysis of granular flow in cylindrical shell
PublicationW pracy przedstawiono wyniki badań ekperymentalnych dotyczących efektów dynamicznych występujących podczas przepływu materiałów sypkich w silosie cylindrycznym.
-
Essential oils and volatiles: sample preparation and analysis. A review.
Publication -
Comparative analysis of mechanical conditions in bone union following first metatarsophalangeal joint arthrodesis with varied locking plate positions: A finite element analysis
PublicationFirst metatarsophalangeal joint arthrodesis is a typical medical treatment performed in cases of arthritis or joint deformity. The gold standard for this procedure is arthrodesis stabilisation with the dorsally positioned plate. However, according to the authors’ previous studies, medially positioned plate provides greater bending stiffness. It is worth to compare the mechanical conditions for bone formation in the fracture callus...
-
Network analyses with the use of spatial databases
Publication -
COMPARATIVE ANALYSES OF INTERNATIONALIZATION OF KAZAKHSTAN ENTERPRISES
PublicationThis paper presents the instruments of internationalization of enterprises operating within the Eurasian Economic Union. Research contains answers of 108 enterprises exporters located in the Republic of Kazakhstan. The purpose of the paper is to show the main forms of the internationalization of enterprises in Kazakhstan. The paper also presents the following instruments of enterprises’ internationalization including: indirect...
-
Elemental composition analysis of Pistacia lentiscus L., leaves collected from Mitidja plain in Algeria using instrumental neutron activation analysis (INAA) technique
Publication -
New Methods of Spectral Analysis of Current Oscillations of Electrochemical Processes
Publication -
Impedance analysis of Portevin-Le Chatelier effect on aluminium alloy
Publication -
Application of Discrete Wavelet Transform in the Analysis of Nonlinear Chemical System
Publication -
Nonlinear principal component analysis of the tidal dynamics in a shallow sea
Publication -
Analysis of beam sharpening effectiveness in broadband radar on inland waters
Publication -
Prediction of the properties of PVD/CVD coatings with the use of FEM analysis
Publication -
Multiple Criteria Optimization for Supply Chains – Analysis of Case Study
Publication -
The prevalence of familiar hypercholesterolemia in patients of Lodz hospital and their treatment analysis
Publication -
Raman spectroscopy analysis of molecular configuration forms of the macular xanthophylls
Publication -
A conceptual design and numerical analysis of the mixerless urea-SCR system
PublicationIn the present study, an innovative design of the urea-selective catalytic reduction (SCR) system without conventional mixing elements was developed. The aim was to obtain a high degree of urea decomposition, and uniform ammonia distribution at the inlet to the catalyst, while minimising the liquid film deposition and keeping the compact design. The concept of the design was based on creating high turbulences and elongating...
-
Analysis of Selected Approaches to the Integral Pedagogy in Polish Pedagogical Thought
Publication -
Stringency of environmental regulations vs. global competitiveness: Empirical analysis
Publication -
The Analysis of Green Areas’ Accessibility in Comparison with Statistical Data in Poland
Publication -
Analysis of false alarm causes in video fire detection systems
Publication -
Structural and Functional Analysis of Human HtrA3 Protease and Its Subdomains
Publication -
Reliability And Maintenance Analysis Of CCTV Systems Used In Rail Transport
Publication -
Analysis of urinary cathepsin C for diagnosing Papillon–Lefèvre syndrome
Publication -
Effectiveness of physiotherapy in elderly patients with dementia: a prospective, comparative analysis
Publication -
Comparative analysis of adropin concentration changes in response to kidney transplantation
Publication -
Neural Graph Collaborative Filtering: Analysis of Possibilities on Diverse Datasets
Publication -
The Effect of Valley Location in Two-Process Surface Topography Analysis
Publication -
Problem of selection of reference plane with deep and wide valleys analysis
Publication -
Propagation analysis of the point-to-point radio links operating in the band
PublicationThe theoretical possibilities of utilizing the EHF-band frequencies for point-to-point short range communications have been discussed. The most important factors that affect propagation attenuation in this band have been briefly described, as well as relevant mathematical formulas that allow for numerical analysis of these phenomena. After that, a research have been carried out in which the authors have analyzed propagation losses...
-
On the use of instantaneous complex frequency for analysis and modification of simple sounds
PublicationW pracy przedstawiono możliwości wykorzystania zespolonej pulsacji chwilowej do analizy i modyfikacji prostych dźwięków. Opisywany algorytm składa się z dwóch kroków: bifaktoryzacji sygnału na obwiednię minimalnofazową i fazor dodatnipskrętny, a następnie estymacja i modyfikacja zespolonej pulsacji chwilowej obu czynników faktoryzacji.
-
New analytical sample preparation techniques in food flavour analysis
PublicationIn this chapter sample preparation techniques were broadly characterized and their applications in field of food analysis were presented. Usefulness of three extraction methods: SPME, SAFE and SDE for isolation of aroma compounds from complex food matrices was compared. Additionally, requirements for sample preparation methods using in food flavour analysis were detailed.
-
Isotope-labeled substances in analysis of persistent organicpollutants in environmental samples
PublicationUltratrace analysis of persistent organic pollutants (POPs) in environmental samples requires very sophisticated methods for both sample preparation and instrumental analysis. The complex matrix requires a multi-stage procedure. Each stage is a potential source of error, as a consequence of which the final result of analysis could be a source of misinformation rather than information. The individual stages and the procedure as...
-
Numerical analysis of laminated shells under in-plane axial compression
PublicationW pracy analizowana jest stateczność powłoki warstwowej poddanej osiowemu ściskaniu. Badany jest wpływ wariantów uwarstwienia oraz warunków podparcia krawędzi obciążonej na zachowanie konstrukcji. Wyniki numeryczne porównano z eksperymentem.
-
Analysis of muscles behaviour : The computational model of muscle. -Part I
PublicationW artykule zaproponowano model obliczeniowy mięśnia szkieletowego, który potraktowano jako strukturę o złożonych i zróżnicowanych właściwościach mechanicznych. Szczegółowo opisano metodę identyfikacji tych właściwości. Ponadto określono sposób przeprowadzenia weryfikacji ilościowej i jakościowej zaproponowanego modelu. Za pomocą takiego obliczeniowego modelu mięśnia można łatwo określać siły w mięśniach, które należą do zespołu...
-
Thermal analysis and static strength of polyurethanes obtained from glycolysates
PublicationPrzeprowadzono analizę termiczną i zbadano właściwości wytrzymałościowe poliuretanów otrzymanych z glikolizatów o różnej budowie chemicznej. Glikolizaty pozyskiwano w procesie recyklingu surowcowego odpadów poliuretanowych o niskiej gęstości. Środkiem glikolizującym był propano-1,3-diol. Poliuretany z glikolizatów syntezowano metodą prepolimerową z MDI i BDO jako przedłużacza łańcuchów. Nie stosowano katalizatorów.
-
Chapter 2: Modelling and analysis of rotor with magnetic bearing system
PublicationThe paper is concerned with rotor magnetic bearing system modelling. Such system is a relatively complex electromechanical system and can be considered as typical mechatronic one. The port-based modelling of physical systems has been used to obtain discrete-continuous model of considered system. Proposed approach enables to obtain reduced low-order lumped parameter representation of the system including gyroscopic interactions....
-
Analysis of magnetic field inside thin-layer ferromagnetic objects
PublicationResults of the numerical analysis of the magnetic field inside an infinitely long, thin-layer ferromagnetic pipe with and without a barrier were presented in this paper. Two wires with current symmetrically placed on two sides of the pipe are the sources of magnetic field. Numerical calculations for the quasi-steady state for chosen frequency band were carried out in the Flux 2D.
-
Analysis of magnetic disturbances of air platform caused by induced magnetisation
PublicationMagnetometric systems installed on air platforms like airplanes or helicopters are equipped in compensators of magnetic disturbances. Time changes of the platform's position caused generation of magnetic disturbances. The permanent and induced magnetization of ferromagnetic elements and eddy currents induced in conducting parts of the platform are sources of these disturbances. The linear model of magnetic disturbances of platforms...
-
Reproducibility of Finding Enriched Gene Sets in Biological Data Analysis
Publication -
Analysis of water erosion processes using terrestrial laser scanning
Publication -
Ranking metrics in gene set enrichment analysis: do they matter?
Publication -
Experimental study and numerical calculations in the analysis of thin-walled structures
Publication -
Analysis of Uncertainty of the Emission Measurement of Gaseous Pollutants on Chassis Dynamometer
Publication -
Measuring the Efficiency of Polish Municipalities – Data Envelopment Analysis Approach
Publication -
Comparative Analysis of Working Conditions in the European Union Member States
Publication -
Analysis of Turbulent Flow Measurements in a Flume with Induced Upward Seepage
Publication -
Cellular Nuclei Differentiation Evaluated by Automated Analysis of CLSM Images
Publication -
Software tools for identification, visualization and analysis of protein tunnels and channels
Publication -
Chemometric analysis for optimizing derivatization in gas chromatography-based procedures
Publication