Search results for: ANECHOIC CHAMBER - Bridge of Knowledge

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Search results for: ANECHOIC CHAMBER

Search results for: ANECHOIC CHAMBER

  • Jarosław Guziński prof. dr hab. inż.

    Jaroslaw Guzinski received M.Sc., Ph.D. and D.Sc. degrees from the Electrical Engineering Department at Technical University of Gdansk, Poland in 1994, 2000 and 2011 respectively. Since 2016 he is Associate Professor at Gdansk University of Technology. Currently he is the head of the Department of Electric Drives and Energy Conversion. From 2006 to 2009 he was involved in European Commission Project PREMAID Marie Curie, ‘Predictive...

  • QUICK IGA QUICK: Innovative SMEs by Gender and Age - QUICK IGA

    Projects

    Project manager: dr inż. Marzena Grzesiak   Financial Program Name: Europejska Wspólnota Terytorialna

    Project realized in Faculty of Management and Economics from 2011-12-08

  • Application of spatial neural simulators of turbine blade rows to fluid flow diagnostics

    Publication

    - Year 2014

    This chapter presents the results of neural modelling of fluid flow in steam turbine row. In modelling working conditions of the flow channel varied, thus the aim of the work was to reconstruct the reference state - distributions of velocity, pressure, and losses in flow channel - with high accuracy for fluid flow diagnostics.

  • The innovations services in Scania company

    Publication

    - Year 2013

    This chapter shows us the service innovations in Scania company. Current research were based on actual situation on market and were supported by tools which help to generate innovative ideas. The new product will not only benefit the company and its clients, but also improve the situation on the market.

  • Language Models in Speech Recognition

    Publication

    - Year 2022

    This chapter describes language models used in speech recognition, It starts by indicating the role and the place of language models in speech recognition. Mesures used to compare language models follow. An overview of n-gram, syntactic, semantic, and neural models is given. It is accompanied by a list of popular software.

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  • Knowledge Risks in the Sharing Economy

    Publication

    - Year 2018

    This chapter presents a theoretical analysis of potential risks connected with knowledge that organizations operating in the sharing economy might potentially face. Nowadays, it can be stated that an increasing amount of individuals and organizations participate in sharing and exchanging data, information, and knowledge, as well as physical goods and services (Botsman & Rogers, 2011). The development of the sharing economy has...

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  • Calculation of Vibrational Resonance Raman Spectra of Molecules Using Quantum Chemistry Methods

    Publication

    - Year 2019

    The understanding and interpretation of experimental resonance Raman (RR) spectra can strongly benefit from theoretical simulations. These can be achieved by combining quantum chemistry (QC) methods to calculate the electronic and vibrational molecular properties, together with appropriate models and approximations to compute the Raman intensities. This chapter presents the main and most commonly employed approaches to calculate...

  • Programmed control of the spindle speed in modern milling machines.

    Publication

    - Year 2003

    W pracy przedstawiono nowe podejście do nadzorowania drgań wirujących narzędzi we współczesnych frezarkach. Polega ono na sterowaniu programowym w układach niestacjonarnych. Dotyczy to zamkniętych układów obrabiarek, kiedy to istotną rolę odgrywają drgania samowzbudne typu chatter. Sygnałem sterującym jest chwilowa zmiana prędkości obrotowej. Rozważano frezowanie czołowe smukłym frezem trzpieniowym na pionowym centrum frezarskim....

  • Graphene Reinforced Phenolic Foams

    Publication

    - Year 2022

    Phenolic foams (PF) belong to the polymeric materials, which are very attractive from the point of many possible applications such as insulation or fire protection materials. This chapter attempts to explain the influence of graphene and graphene derivatives on the phenolic foams. This work briefly presents different graphene nanoparticles introduced to the phenolic foams matrix, in terms of impact on the thermal, mechanical, and...

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  • Optimization of Wireless Networks for Resilience to Adverse Weather Conditions

    Publication
    • M. Pióro
    • E. Fitzgerald
    • I. Kalesnikau
    • D. Nace
    • J. Rak

    - Year 2020

    In this chapter, we consider how adverse weather conditions such as rain or fog affect the performance of wireless networks, and how to optimize these networks so as to make them robust to these conditions. We first show how to analyze the weather conditions in order to make them useful for network optimization modelling. Using an example realistic network, we show how to optimize two types of wireless networks: free-space optical...

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  • Improving the Survivability of Carrier Networks to Large-Scale Disasters

    Publication
    • A. de Sousa
    • J. Rak
    • F. Barbosa
    • D. Santos
    • D. Mehta

    - Year 2020

    This chapter is dedicated to the description of methods aiming to improve the survivability of carrier networks to large-scale disasters. First, a disaster classification and associated risk analysis is described, and the disaster-aware submarine fibre-optic cable deployment is addressed aiming to minimize the expected costs in case of natural disasters. Then, the chapter addresses the improvement of the network connectivity resilience...

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  • Age@Work Age@Work - Building Capacity for Age Management in Human Resources

    Projects

    Project manager: dr inż. Anita Richert-Kaźmierska   Financial Program Name: Europejska Współpraca Terytorialna

    Project realized in Department of Entrepreneurship and Business Law according to #S043 agreement from 2020-09-25

  • Oxygen sensitivity of hydrogenesis’ and methanogenesis’

    Publication

    In the chapter, results of dark fermentation of sour cabbage in presence of oxygen with concentrations 2-9% are presented. The presence of oxygen in such concentration inhibits methanogesis (and methane production more than 2 times) and increases hydrogen production 6 times. It also shortens the fermentation process above 40%.

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  • Particulate Material Analysis in Air

    Publication

    - Year 2016

    The chapter presents the methods and techniques used to asses the PM10 in air and different instruments typically used in analysis of PM, including sampling of particle by using filters and other systems. Besides the methods recommended by different national standards the other methods, especially electronic microscopy are also described.

  • Karta Przejrzystości Mediów - Public Relations a dziennikarstwo.

    Artykuł zawiera analizę nowo powstałego zbioru zasad regulujących pracę dziennikarz - Charter on Media Transparency, wskazującego na najczęściej występujące naruszenia norm moralnych w tym zawodzie i ich przyczyny, ze szczególnym uwzględnieniem relacji: dziennikarz - specjalista public relations.

  • Evaluation of electrical parameters of traction supply system for complex railway traffic conditions, using simulation methods

    Publication

    - Year 2009

    Development of electrified transport systems, railways modernization, expansion of urban transport networks, purchases of modern rolling stock causes that updating of electric traction supply system is necessary. This chapter presents an effective method for electrical parameters of traction supply system evaluation, using simulation methods.

  • Distributed Detection of Selected Features in Data Streams Using Grid-class Systems

    Publication

    - Year 2012

    This chapter describes basic methodology of distributed digital signal processing. A choice of distributed methods of detection of selected features in data streams using grid-class systems is discussed. Problems related to distribution of data for processing are addressed. A mitigating method for data distribution and result merging is described.

  • Multi agent grid systems

    Publication

    - Year 2012

    This chapter presents an idea of merging grid and volunteer systemswith multi agent systems. It gives some basics concerning multi agentsystem and the most followed standard. Some deliberations concerningsuch an existing systems were made in order to finally present possibilities of introducing agents into the Comcute system.

  • Analysis of expression of genes responsible for regulation of cellular proliferation and migration – microarray approach based on porcine oocyte model

    Publication
    • A. Chamier-Gliszczyńska
    • S. Kałużna
    • K. Stefańska
    • P. Celichowski
    • P. Antosik
    • D. Bukowska
    • M. Bruska
    • J. Zakova
    • M. Machatkova
    • M. Jeseta
    • M. Nowicki

    - Medical Journal of Cell Biology - Year 2019

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  • Internet payment methods in Poland

    Publication

    In this chapter authors intended to describe wide range of aspects of the Internet payment systems. At the beginning there is briefly shown their evolution and features required for the effective payment system. Data on the popularity of different payment systems in Internet transactions links this section with description of the current state of payment systems available in Poland.

  • Mersenne Number Finding and Collatz Hypothesis Verification in the Comcute Grid System

    Publication

    - Year 2012

    In this chapter, some mathematic applications have been described to test scalability of the Comcute grid system. Especially, a verification of the Collatz hypothesis and finding Mersenne numbers were applied to prove the scalability and high performance of this grid system. Results were compared with outcomes obtained by the other grid systems.

  • An Analysis of Contextual Aspects of Conceptualization: A Case Study and Prospects

    Publication

    In this chapter we present a new approach to development of modularized knowledge bases. We argue that modularization should start from the very beginning of modeling, i.e. from the conceptualization stage. To make this feasible, we propose to exploit a context-oriented, semantic approach to modularization. This approach is based on the Structural Interpretation Model (SIM) presented earlier elsewhere. In the first part of thischapter...

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  • Novel Tools as New Challenges to HRM Communicational Practices (and the Increasingly Important Social Role of the Manager)

    Publication

    - Year 2022

    Each communicational process consists inseparably of three aspects: the linguistic (which means the whole language content of the message), technical (which states the form of the message) and the social (meaning social relations, emotions, behaviours). The recent COVID-19 pandemic deeply influenced several layers of our lives. But the main aim of this chapter is to focus on the communicational processes that normally take place...

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  • Operation evaluation method for marine turbine combustion engines in terms of energetics

    Publication

    An evaluation proposal (quantitative determination) of an y combustion turbine engine operation has been presented , wherein the impact energy occurs at a given time due to Energy conversion. The fact has been taken into account that in this type of internal combustion engines the energy conversion occurs first in the combustion chambers and in the spaces between the blade of the turbine engine. It was assumed that in the combustion...

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  • Nonreciprocal Devices Utilizing Longitudinally Magnetized Ferrite Coupled Lines

    Publication

    This chapter presents authors’ recent research on the nonreciprocal devices utilizing longitudinally magnetized ferrite coupled line (FCL) junction. The principle of operation of FCL junction is explained and the hybrid techniques of analysis are shown. Numerical and experimental results concerning the nonreciprocal devices utilizing the different configurations of FCL junctions are presented and discussed.

  • Stages of project implementation based on design-thinking concept

    Publication

    In this chapter there were presented basic aspects of project management focused on an improvement of the final effect. Firstly the project ter was defined including a discusion of its core attributes and determinants of its management procedure. Next design-thinking concept was introduced as an approach to use in project management for achieving maximum consumer satissfaction.

  • Genetic Positioning of Fire Stations Utilizing Grid-computing Platform

    Publication

    A chapter presents a model for determining near-optimal locations of fire stations based on topography of a given area and location of forests, rivers, lakes and other elements of the site. The model is based on principals of genetic algorithms and utilizes the power of the grid to distribute and execute in parallel most performance-demanding computations involved in the algorithm.

  • INBETS+ Innovative Business Transfer Models for SMEs in the BSR +

    Projects

    Project manager: dr inż. Marzena Grzesiak   Financial Program Name: Europejska Współpraca Terytorialna

    Project realized in Department of Management according to #016 agreement from 2021-03-17

  • A surveillance of dynamic state of the slender end milling process.

    Publication

    - Year 2004

    Praca poświącona jest nadzorowaniu drgań wirujących narzędzi w nowoczesnych frezarkach. Polega ono na zastosowaniu sterowania programowego w układach niestacjonarnych. Podejście dotyczy zamkniętego układu obrabiarki, w przypadku którego istotną rolę odgrywają drgania samowzbudne typu chatter. Stąd, sygnałem sterującym jest chwilowa zmiana prędkości obrotowej wrzeciona. Przedmiotem rozważań jest proces frezowania czołowego smukłym...

  • The Impact of Information and Communication Technology on the Rise of Urban Social Movements in Poland

    Publication

    - Year 2015

    The chapter examines the relationship between the use of Information and Communications Technology (ITC) and the emergence of social movements focused on urban agenda in Poland. The aim is to investigate how and to what extent a growing body of smaller activist groups use opportunities provided by the ITC to achieve their political objectives. The research results indicate that Web-based media have helped to raise the profile...

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  • The Impact of Information and Communications Technology on the Rise of Urban Social Movements in Poland

    Publication

    - Year 2015

    The chapter examines the relationship between the use of Information and Communications Technology (ITC) and the emergence of social movements focused on urban agenda in Poland. The aim is to investigate how and to what extent a growing body of smaller activist groups use opportunities provided by the ITC to achieve their political objectives. The research results indicate that Web-based media have helped to raise the profile of...

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  • Common-Mode Voltage and Bearing Currents in PWM Inverters: Causes, Effects and Prevention

    Publication

    - Year 2014

    In modern induction motor drives an increase of transistors' switching frequency and a decrease of switching times are the sources of some serious problems. The high dv/dt and the common mode voltage generated by the inverter PWM control results in the appearances of bearing currents, shaft voltages, motor terminal overvoltages, the decrease of motor efficiency, and electromagnetic interference. The aspects of common mode (CM)...

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  • Big Data Analytics for ICT Monitoring and Development

    Publication

    - Year 2017

    The expanded growth of information and communication technology has opened new era of digitization which is proving to be a great challenge for researchers and scientists around the globe. The utmost paradigm is to handle and process the explosion of data with minimal cost and discover relevant hidden information in the least amount of time. The buzz word “BIG DATA” is a widely anticipated term with the potential to handle heterogeneous,...

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  • Porównanie mocy strat energetycznych w pompie wyporowej o zmiennej wydajności określonych bez uwzględnienia bądź z uwzględnieniem mocy ściskania oleju hydraulicznego

    Publication

    Porównano moce strat energetycznych w pompie wyporowej o zmiennej wydajności, określone bez uwzględnienia bądź z uwzględnieniem mocy ściskania oleju hydraulicznego. Ocena mocy ściskania cieczy w pompie stała się możliwa dzięki zastosowaniu, zaproponowanej przez autora, metody określenia stopnia zapowietrzenia cieczy w pompie. W metodzie określenia stopnia zapowietrzenia cieczy w pompie oraz w ocenie mocy strat objętościowych ściskania...

  • Matching trajectory of a person to a map in inertial navigation system

    Paper describes the method of matching, to a map, trajectories of a person walking indoors, obtained from inertial navigation module. General principle of matching algorithm based on particle filtering is presented. Method of detecting particle collisions is described as well. The last chapter provides test results of map matching related to a true trajectory.

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  • State of the art electronic nose technology and future trends

    Publication

    - Year 2010

    This chapter briefly reviews the progress in field of artificial olfaction and demonstrates future trends in electronic nose technology. The discussion about e-nose concern also a big challenge for the pattern recognition (PARC) systems due to several particular problems they involve. Finally, the application of e-nose in different areas of life is given.

  • Application of Ontology In the ITIL Domain

    Publication

    Business standards tend to be less formal in description then strict technical norms. Authors of this chapter suggest applying ontological description (powered by the capabilities of the OWL language) to express Information Technology Infrastructure Library (ITIL). One of the goals of this initial study is to determine the usefulness of such semantic model in organizations that adopted or plan to adopt ITIL.

  • Block-based Representation of Application Execution on Modern Parallel Systems

    Publication

    - Year 2013

    The chapter presents how to model execution of a parallel computational application that is to be executed in a large-scale parallel or distributed environment with potentially thousands to millions of execution units. The representation uses pre- viously attributes and factors representative of modern high performance systems including multicore CPUs, GPUs, dedicated accelerators such as Intel Phi.

  • Music Information Retrieval in Music Repositories

    Publication

    - Year 2013

    This chapter reviews the key concepts associated with automated Music Information Retrieval (MIR). First, current research trends and system solutions in terms of music retrieval and music recommendation are discussed. Next, experiments performed on a constructed music database are presented. A proposal for music retrieval and annotation aided by gaze tracking is also discussed.

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  • The influence of the welding environment on the properties of Tekken joints made from S355J2C+N steel

    Publication

    There are three main methods of underwater welding: dry, wet and intermediate between them, by using the local dry chamber. Due to low costs, the most common method is the wet welding with the use of covered electrodes. Water as a welding environment carries out a lot of problems. The first is limited visibility and instability of the welding arc. The biggest problem during underwater welding is high susceptibility to cold cracking,...

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  • Prediction of the Biogenic Amines Index of Poultry Meat Using an Electronic Nose

    The biogenic amines index of fresh chicken meat samples during refrigerated storage was predicted based on the headspace analysis using an electronic nose equipped with an array of electrochemical sensors. The reference biogenic amines index values were obtained using dispersive liquid–liquid microextraction–gas chromatography–mass spectrometry. A prototype electronic nose with modular construction and a dedicated sample chamber...

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  • Prediction of coking dynamics for wet coal charge

    Publication

    - Chemical and Process Engineering-Inżynieria Chemiczna i Procesowa - Year 2015

    A one-dimensional transient mathematical model describing thermal and flow phenomena during coal coking in an oven chamber was studied in the paper. It also accounts for heat conduction in the ceramic oven wall when assuming a constant temperature at the heating channel side. The model was solved numerically using partly implicit methods for gas flow and heat transfer problems. The histories of temperature, gas evolution and internal...

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  • Spatial characterization of H 2: CH 4 dissociation level in microwave ECR plasma source by fibre-optic OES

    Spatially resolved optical emission spectroscopy (SR-OES) was used to investigate microwave activated H2/Ar/CH4 plasma under conditions of the electron cyclotron resonance (ECR). The chemistry and composition of the gas phase were studied using self-designed fibre-optic system with echelle type spectrometer during CVD deposition of polycrystalline diamond. One-dimensional intensity profiles of the main species were collected along...

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  • New analytical sample preparation techniques in food flavour analysis

    Publication

    - Year 2010

    In 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.

  • Anna Wałek dr

    People

    Dr Anna Wałek, President of IATUL – International Association of University Libraries, director of the Gdańsk University of Technology Library.  An experienced library manager, an expert in the field of Open Science, and organization and management of a scientific library. She conducts scientific research in data management in various scientific disciplines, metadata for research data, and data management support services - incl....

  • Ruch wirowy wywoływany przez ultradźwięk w płynach z relaksacją

    Publication

    - Year 2012

    Rozprawa doktorska poświęcona jest badaniu ruchu wirowego wywoływanego przez ultradźwięk w różnych modelach płynów z relaksacją. Ma ona charakter teoretyczny, jednak wykorzystanie uzyskanych dzięki niej wyników może przynieść lepsze zrozumienie ruchu wirowego wywoływanego przez siłę akustyczną. W I rozdziale rozprawy przedstawione zostały ogólne rozważania dotyczące akustyki nieliniowej. Rozdział II dotyczy ruchu wirowego wywoływanego...

  • Gas chromatography-olfactometry (GC-O), electronic noses (e-noses) and electronic tongues (e-tongues) for in vivo food flavour measurement

    Publication

    The capter revies two types of artificial olfaction instrumentation, i.e. gas-chromatography-olfactometry (GC-O) and chemical sensor technologies (electronic nose and tongue), combined with multivariate data processing methods as promising approaches for rapid analysis of food. The chapter also includes examples of specific applications for the detection of food flavour and volatile components.

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  • Metals in the environment as risk factors for infectious diseases: gaps and opportunities

    Publication
    • M. Ackland
    • J. Bornhorst
    • G. V. Dedoussis
    • R. R. Dieter
    • J. Nriagu
    • J. Pacyna
    • J. M. Pettifor

    - Year 2015

    This chapter aims to provide insights into current knowledge and gaps in our understanding of the influence that trace metals in the environment have on the pathogenesis of infectious diseases. By reducing immune function, trace metal deficiencies may substantially contribute to the global burden of diarhea, pneumonia, and malaria. Improved methods and biomarkers for assessing the risk of trace metals deficiencies and toxicities...

  • Wastewater Engineering 2020/21 (Environmental Engineering, II stopnia, stacjonarne, II semestr))

    e-Learning Courses
    • K. Czerwionka
    • J. Mąkinia

    Wastewater sources and flows Wastewater characterization based on physical and biodegradation criteria Preliminary treatment unit operations (screens, grit chambers, primary clarifiers) Biological processes (suspended growth vs. attached growth, hybrid systems, granular sludge) for wastewater treatment. Principles of biological nutrient removal (nitrification, denitrification, enhanced biological P removal,  anammox). Implementation...

  • Tool-workpiece vibration surveillance during slender end milling.

    Publication

    - Year 2004

    Praca poświęcona jest nowemu podejściu do nadzorowania drgań wirujących narzędzi we współczesnych frezarkach. Polega ono na sterowaniu programowym w układach niestacjonarnych. Dotyczy zamkniętych układów obrabiarek, kiedy to istotną rolę odgrywają drgania samowzbudne typu chatter. Sygnałem sterującym jest chwilowa zmiana prędkości obrotowej wrzeciona. Rozważano frezowanie czołowe smukłym frezem trzpieniowym na pionowym centrum...