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Wyniki wyszukiwania dla: EKSTRAKCJA ASE
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Full Network Coverage Monitoring Solutions – The netBaltic System Case
PublikacjaThis paper defines the problem of monitoring a specific network, and more precisely – part of reporting process, which is responsible for the transport of data collected from network devices to station managers. The environment requires additional assumptions, as a specific network related to the netBaltic Project is to be monitored. Two new monitoring methods (EHBMPvU and EHBMPvF) are proposed, which priority is full network coverage....
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The use of mathematical models for diagnosis of activated sludge systems in WWTP
PublikacjaIn this study diagnosis of activated sludge systems in wastewater treatment plant (WWTP) was investigated. Diagnosis of technical objects can be realized in many ways. One of the divisions of the diagnostic methods include modelling with or without a model of the object. The first of these is the analysis of the symptoms for which, based on the parameter values, the abnormality in the diagnosed objects are sought. Another way is...
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CONTROL OF THE WAVES IN A TOWING TANK WITH THE USE OF A BLACK-BOX MODEL
PublikacjaThe paper describes an adaptive control system of the waves, implemented in the Ship Design and Research Centre, CTO S.A. The purpose of generating the waves in the towing tank is the modelling of the environmental conditions during hydrodynamic model tests. The tests are performed on scale models of towed or free running ships, anchored structures like oil rigs or bottommounted structures, e.g. wind turbines. In the towing tank...
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Bacteriophages as potential tools for use in antimicrobial therapy and vaccine development
PublikacjaThe constantly growing number of people suffering from bacterial, viral, or fungal infections, parasitic diseases, and cancers prompts the search for innovative methods of disease prevention and treatment, especially based on vaccines and targeted therapy. An additional problem is the global threat to humanity resulting from the increasing resistance of bacteria to commonly used antibiotics. Conventional vaccines based on bacteria...
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Implementation of International Standards of Fiscal and Monetary Transparency - Case of Poland
PublikacjaResearch background: Financial managers, investors, lenders, counterparties and citizens should have useful, reliable, timely, complete, comparable, readable information on fiscal and monetary policy. The actions taken and instruments used by fiscal and monetary authorities have an important impact on economic conditions. Purpose of the article: The aim of the article is to assess Poland's compliance with international standards...
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Polish waterfront in the process of transformation: The case of Elbląg port city
PublikacjaThe topic of waterfront transformation is a vast and challenging issue, which in small and medium-sized cities is still unexplored. With growing global interest in the matter of regeneration of city-water relationship and increasing public awareness of the value of waterfront public spaces, actions to transform abandoned waterfront areas have been undertaken in many Polish port cities. City of Elbląg, located in northern Poland,...
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The literature review on boundary conditions of use for non-residential buildings
PublikacjaThis paper describes the results of qualitative and quantitative literature reviews on boundary conditions within educational buildings, emphasising the users' perspective. The reviews were performed before and during the COVID-19 pandemic using Scopus, Taylor& Francis, Web of Science databases. The boundary conditions understood as special characteristics for use and or precondition, determining specific features of buildings...
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Marine traffic risk modelling – an innovative approach and a case study
PublikacjaThis paper presents a model to analyse the risk of two common marine accidents: collision and grounding. Attention is focused on oil tankers since they pose the highest environmental risks. A case study in selected areas of the Gulf of Finland in ice-free conditions is presented. The model utilizes a formula for risk calculation that considers both the probability of an unwanted event and its consequences. The model can be decomposed...
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Analysis of Learning Outcomes in Medical Education with the Use of Fuzzy Logic
PublikacjaThe national curricula of the EU member states are structured around learning outcomes, selected according to Bloom’s Taxonomy. The authors of this paper claim that using Bloom’s Taxonomy to phrase learning outcomes in medical education in terms of students’ achievements is difficult and unclear. This paper presents an efficient method of assessing course learning outcomes using Fuzzy Logic.
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Remarks on use of the term “deep eutectic solvent” in analytical chemistry
PublikacjaAbout 20 years ago, Abbott and co-workers researched new solvents that were based on mixtures of choline chloride with urea and carboxylic acids and that were liquid at ambient temperature. The term “deep eutectic solvent” (DES) was later adopted for similar mixtures. As DESs have a number of interesting features, they quickly attracted the attention of researchers and found application in various branches of chemical and materials...
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Multi-Channel Virtual Instrument for Measuring Temperature—A Case Study
PublikacjaThe article presents the hardware and software configuration of the developed multi-channel temperature measurement system as well as calibration procedures and measurement results verifying the properties of measurement channels. The system has been developed and dedicated primarily for measuring the temperature distribution in a laboratory model simulating underground power lines. With the adopted configuration of the analog...
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Increasing the lifetime of engineering structures through the use of composite laggings
PublikacjaThe use of composite laggings prevents concrete (chemical and biological) corrosion. Columns coated with composite or reinforced composite are more resistant to negative environmental impact on concrete or steel. The mechanical properties of the reinforced casing also cause that these types of columns are more resistant to lateral forces. The applied casing limits carbonization of concrete and cyclical freezing and thawing with...
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Property sustainable value versus highest and best use analyzes
PublikacjaThis article proposes the possibility of applying fuzzy logic theory to perform the tasks of determining the market value of agricultural lands. These tasks are of a multi‐criteria character, as multiple factors are taken into consideration during the land value valuation process. The market value of agricultural land plots, calculated using fuzzy logic methods, can provide a basis for further use in the processes that are directly...
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Evaluating the Cost of Personnel Activities in Cybersecurity Management: A Case Study
PublikacjaThe methods of cybersecurity costs' evaluation are inclined towards the cost of incidents or technological acquirements. At the same time, there are other, less visible costs related to cybersecurity that require proper recognition. These costs are associated with the actions and the time spent by employees on activities connected to cybersecurity management. The costs form a considerable component of cybersecurity expenditures,...
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Determinants of judges’ career choices and productivity: a Polish case study
PublikacjaThe goal of this paper is to identify factors which affect judges’ productivity and career choice motives with the view of increasing judicial efficiency. Specifically, the investigation focuses on such aspects as judges’ remuneration, promotion, threat of judgment revocation, service/mission, periodic assessment, the threat of a complaint about protracted proceedings or of disciplinary proceedings, the threat of destabilization...
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Design of poroelastic wearing course with the use of direct shear test
PublikacjaPoroelastic Road Surfaces (PERS) are characterized by porous structure with at least 20% of air void content and stiffness almost 10 times lower than typical asphalt course. Such properties enable noise reduction up to 12 dB in comparison to SMA 11 mixture. However, the main disadvantage of previously used poroelastic mixtures, based on resin type binders, was their low durability, which resulted in raveling and delamination from...
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Cognitive Systems, Concepts, Processes, and Techniques for the Age of Industry 4.0
PublikacjaThe aim of this Guest Edition of Cybernetics and Systems is to present a wide-ranging scale of concepts and processes being currently researched, developed, and evaluated in real life settings in anticipation of incoming Industry 4.0 era. With the fourth industrial revolution expectation, the broad spectrum of cognitive approaches have emerged as an attempt to mimic and augment, in some way, human intelligence. Intelligence, in...
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Representing Process Characteristics to Increase Confidence in Assurance Case Arguments
PublikacjaAn assurance case is a structured, evidence-based argument demonstrating that a safety or other quality objective of a high integrity system is assured. Assurance cases are required or recommended in many industry domains as a means to convince the regulatory bodies to allow commissioning of such system. To be convincing, an argument should address all potential doubts and thus cover numerous additional issues, including the processes...
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Use of Ginger Nanofibers for the Preparation of Cellulose Nanocomposites and Their Antimicrobial Activities
PublikacjaHere, we report, for the first time, the isolation of ginger nanofibers (GNF) from ginger rhizomes spent by acid hydrolysis and followed by high-pressure homogenization. Scanning electron microscopy was utilized to identify the surface morphology of the GNF and the widths ranged between 130 to 200 nm. Structural analysis of GNF was identified by Fourier transform infrared spectroscopy, Differential scanning calorimetry, and X-ray...
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Uniform Model Interface for Assurance Case Integration with System Models
PublikacjaAssurance cases are developed and maintained in parallel with corresponding system models and therefore need to reference each other. Managing the correctness and consistency of interrelated safety argument and system models is essential for system dependability and is a nontrivial task. The model interface presented in this paper enables a uniform process of establishing and managing assurance case references to various types...
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Equivalence scales based on stochastic indifference criterion : the case of Poland
PublikacjaArtykuł przedstawia koncepcję stochastycznych skał ekwiwalentności (SES), która bazuje na kryterium stochastycznej indyferencji. SES jest dowolną funkcją, która transformuje rozkład wydatków określonej grupy gospodarstw domowych w taki sposób, że wynikowy rozkład jest stochastycznie indyferentny wobec rozkładu wydatków grupy gospodarstw odniesienia. Kryterium stochastycznej indyferencji jest także wykorzystane dla opracowania metody...
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Virtual Engineering Factory: Creating Experience Base for Industry 4.0
PublikacjaABSTRACT In recent times, traditional manufacturing is upgrading and adopting Industry 4.0, which supports computerization of manufacturing by round-the-clock connection and communica- tion of engineering objects. Consequently, Decisional DNA- based knowledge representation of manufacturing objects, processes, and system is achieved by virtual engineering objects (VEO), virtual engineering processes (VEP), and virtual engineering...
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NEIGHBOURHOOD SPORT AS A TOOL OF URBAN REGENERATION - A WARSAW CASE STUDY
PublikacjaThere are many connections between sport and urban regeneration. They can be observed while organizing top-down projects, such as sporting mega-events. But sport and urban renewal can also be linked within bottom-up sport initiatives, ones that relate mostly to physical recreation or sport for all. The main goals of physical activity is caring for health, improving fitness, practicing hobbies, and achieving social integration....
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Extension of selected ADFA construction algorithms to the case of cyclic automata.
PublikacjaW niedawnym artykule Rafael Carrasco i Mikel Forcada przedstawiają przyrostowy algorytm dodawania słów do minimalnego, acyklicznego automatu skończonego. Ten algorytm jest uogólnieniem przyrostowego algorytmu tworzenia acyklicznych deterministycznych automatów skończonych (ADFAs). Przedstawiamy podobne uogólnienia dwóch innych algorytmów tworzenia ADFAs. Chociaż te ougólnienia zostały już opublikowane w maju i czerwcu 2004 r.,...
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Managing knowledge in a tourism crisis: case study from Poland
PublikacjaPurpose: This study deals with a tourism organisation from Poland, which experienced not only the COVID-19 pandemic, but also the close war situation in Ukraine which caused a significant decrease in tourist traffic and revenues. Since, based on the literature, knowledge management can be useful for crisis management, this study aims to explore the role and usefulness of KM during crisis situations in tourism. Methodology: Qualitative...
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Flood Security Strategy - Case Studies from Gdańsk Region
Publikacja.
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Efficient Use of Capital: Paradox of Real Estate and Industry in Turkey
PublikacjaIn recent years, one of the hottest debates on Turkish economy is the conflict on resource allocation between real estate and industry sectors. The debate was so intense that ex-minister of Economy Mr. Ali Babacan declared his opinions. Mr. Babacan’s statements about the creation of fixed capital by the private sector is not promising, and private sector fixed capital expenditures are not in the desired level. This situation is...
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The retrofitting of ships by applying retractable bow hydrofoils: a case study
PublikacjaIncreasing environmental requirements and a relatively long ship life of 30 years mean more attention is needed to retrofit existing ships. One possibility is using hydrofoils to reduce the ship’s resistance and improve comfort and safety in rough sea conditions. This study investigates the influence of retractable bow hydrofoils on the seakeeping performance and operational conditions of a selected case study vessel (V-shaped...
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Ionic thermoelectric effect in Cu2-δSe during phase transition
PublikacjaThe ionic Seebeck coefficient was studied in copper selenide with Cu1.99Se, Cu1.95Se and Cu1.8Se stoichiometry which was synthesized with a melt crystallization method. To measure the ionic Seebeck coefficient of copper ions, 0.15C6H12N4CH3I + 0.85CuI solid-state electrolyte was prepared. Electrolyte layers were pressed with copper selenide powder into a sandwich-like structure. At the temperature of 410 K, the materials have ionic...
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Harmonization and Quality Assurance of Income and Wealth Data: The Case of LIS.
PublikacjaComparability of concepts in survey data harmonization is essential for scientific analyses. LIS – also known as the Luxembourg Income Study or LIS Cross-National Data Center in Luxembourg – acquires and harmonizes income and wealth microdata to provide the scientific community with a comparable database that is unique in the world in its growing temporal and geographic breadth. Over many decades, scholars worldwide have used the...
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Usability Techniques Possible to Use in Diagnostic Tools Interface Improvement
PublikacjaThe development of diagnostic tools has caused a rapid increase in the amount of information generated and presented, necessitating the use of computer displays as an interface to data presentation and the use of modern diagnostic tools. The paper presents methods for testing usability that can be used in designing and improving the quality of interfaces of modern diagnostic tools that use communication through graphical user interfaces.
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Prediction of ship resistance with the use of Full-scale CFD simulations
PublikacjaIn recent years, the IMO has introduced new regulations to reduce the negative impact of ships on the natural environment. A particularly important step forcing technological innovations is the increasing requirement of ship energy efficiency. It is expressed by the Energy Efficiency Design Index (EEDI). Another important step towards green shipping is rising the required quality of fuel used for propulsion, so called Tier limits....
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Rebuilding Bailey Bridge to Bridge With Bascule Span – A Case Study
PublikacjaThe structural analysis of a road foldable prefabricated steel Bailey- type bridge located over the Tuga River in Żelichowo, Poland is performed in this paper. Interesting and untypical bridge redevelopment performed made it possible to lift the middle foldable bridge span by approximately 4.0 m concerning the existing state. The paper begins with a survey of literature carried out on the investigations of foldable Bailey-type...
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Superconductivity–Electron Count Relationship in Heusler Phases─the Case of LiPd2Si
PublikacjaWe report superconductivity in the full Heusler compound LiPd2Si (space group Fm3̅m, No. 225) at a critical temperature of Tc = 1.3 K and a normalized heat capacity jump at Tc, ΔC/γTc = 1.1. The low-temperature isothermal magnetization curves imply type-I superconductivity, as previously observed in LiPd2Ge. We show, based on density functional theory calculations and using the molecular orbital theory approach, that while LiPd2Si...
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A framework for risk matrix design: A case of MASS navigation risk
PublikacjaRisk matrix, a tool for visualizing risk assessment results, is essential to facilitate the risk communication and risk management in risk-based decision-making processes related to new and unexplored socio-technical systems. The use of an appropriate risk matrix is discussed in the literature, but it is overlooked for emerging technologies such as Maritime Autonomous Surface Ships (MASS). In this study, a comprehensive framework...
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The use of fungi in biofiltration to remove hydrophobic volatile organic compounds
PublikacjaThe growing importance placed on air quality by environmental regulations and public opinion necessitate the minimization and removal of volatile organic compound emissions (VOCs), including odours. The removal of hydrophobic VOCs from the air by biological methods remains a major technical challenge (despite its importance in the shift to green engineering). A potential solution to this challenge is the use of fungi in biofiltration....
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Molecular modelling of membrane sterols with the use of the GROMOS 96 forcefield
PublikacjaPodstawowym zadaniem tego projektu było udowodnienie zasadności stosowania pola siłowego GROMOS 96 do symulacji steroli błonowych metodą dynamiki molekularnej. Uzyskane wyniki jasno wskazują, że to pole siłowe bardzo dobrze nadaje się do symulacji silnie lipofilowych układów.
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Building ethics online course - australian and polish case study
PublikacjaPrzedstawiono koncepcje i metody tworzenia szkolenia internetowego przez zespół międzynarodowy. Zaprezentowano zawartość szkolenia i metody oceny uczestników. Dla zainteresowanych udostępniono szkolenie na stronach internetowych Centrum Edukacji Niestacjonarnej Politechniki Gdańskiej.
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On application of the Case-Based Reasoning methods in ship automation design
PublikacjaW artykule przedstawiono metodę wnioskowania na podstawie przypadków oraz dwa przykłady jej zastosowania w projektowaniu statków. Pierwszy przykład dotyczy systemu projektowania koncepcyjnego statku. Drugi przykład odnosi się do projektowania układów automatyki okrętowej. Omówiono szczegółowo problemy doboru funkcji podobieństwa w metodzie wnioskowania na podstawie przypadków.
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Some theoretical models of technical woven fabric and their use in FEM.
PublikacjaCelem pracy było przedstawienie niektórych typów równań konstytutywnych opisujących zachowanie powłok membranowych używanych do konstrukcji przekryć wiszących. Ocena zastosowanego modelu izotropowego i sieci gęstej w analizie tkanin technicznych. Dokonano porównania wyników uzyskanych własnymi algorytmami metody elementów skończonych z powszechnie dostępnym na rynku programem komercyjnym MARC firmy MSC. Uzyskano dobrą zgodność...
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Application of injection under base of bored piles in cohesive soils.
PublikacjaPrzedstawiono zastosowanie oryginalnej metody iniekcji podstawy pali wielkośrednicowych w iłach pęczniejących. Scharakteryzowano parametry geotechniczne iłów, przedstawiono parametry iniekcji oraz omówiono wyniki próbnych obciążeń statycznych dla dwóch pali wielkośrednicowych.
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Spectral plate element for crach detection with use of propagation wares.
PublikacjaW pracy przedstawiono model płyty oparty na metodzie elementów spectralnych. Przedstawiono wyniki analizy interakcji pęknięcia zmęczeniowego i propagującej się fali.
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Towards Easy-to-Use Checkpointing of MPI Applications within CLUSTERIX.
PublikacjaW literaturze wymienia się wiele bibliotek/systemów zarówno poziomu jądra jak i użytkownika, które wspomagają zapisywanie i odtwarzanie stanu procesów. W odniesieniu do aplikacji równoległych, jest to jednak zadanie cały czas trudne. Praca prezentuje nasze podejście do zapisywania/odtwarzania stanu aplikacji MPI wspomagane przez programistę, które wykorzystane będzie w środowisku projektu CLUSTERIX tj. zintegrowanej grupie klastrów...
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Characterization of the Co-base layers obtained by laser cladding technique.
PublikacjaBadano zawory wydechowe napawane dwoma stopami kobaltu, w tym mikrostrukturę strefy wierzchniej i strefy w pobliżu podłoża. Badano także rozkład pierwiastków w warstwie napawanej. Stwierdzono podobny skład chemiczny warstw i proszków.
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Characterization of the Co-base layers obtained by laser cladding technique.
PublikacjaBadano zawory wylotowe pokrywane stopami kobaltu: mikrostrukturę warstw w strefie wierzchniej i przy granicy napoina - metal. Badano rozkład pierwiastków w warstwach. Zarówno mikrostruktura, jak i skład chemiczny warstw były podobne w przypadku dwóch stosowanych stopów kobaltu.
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Potential of ASH technology for protection against chemical and biological attacks
PublikacjaTechnologia wykorzystująca reaktor cyklonowy dzięki dużej wydajności posiada szczególne predyspozycje do usuwania lub niszczenia składników broni chemicznej i biologicznej ze strumieni gazów o dużym natężeniu przepływu, pochodzących z systemów ogrzewania, wentylacji i klimatyzacji, bez powodowania znacznych spadków ciśnienia. Reaktor cyklonowy posiada znaczne mniejsze rozmiary, około 10% objętości tradycyjnych systemów oczyszczania...
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Analiza lokalizacji i parametrów stabilizatorów systemowych w KSE
PublikacjaW referacie przedstawiono metodę doboru parametrów i lokalizacji stabilizatorów systemowych. Metodę tą zastosowano do oceny trafności doboru stabilizatorów w krajowym systemie elektro-energetycznym, a następnie do doboru struktury, parametrów i lokalizacji "nowych" stabilizatorów systemowych. Obliczenia wykonano dla pełnego modelu matematycznego krajowego systemu przesyłowego.
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A model-based approach to analysis of security protocols - a case study
PublikacjaArtykuł przedstawia zintegrowane środowisko analizy protokołów bezpieczeństwa. Środowisko zostało oparte o znaną metodę formalną CSP oraz wspierające ją narzędzia: Casper oraz FDR. Integralną częścią opisywanego środowiska jest pół-formalne zorientowane obiektowo podejście do modelowania protokołów kryptograficznych, ich kontekstu aplikacyjnego oraz wymagań bezpieczeństwa. Modelowanie obiektowe zostało oparte o język UML oraz...
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Marek Tobiszewski dr hab. inż.
OsobyUrodzony 07.04.1984 roku w Gdańsku. W 2012 roku obronił z wyróżnieniem doktorat, w 2017 roku uzyskał habilitację na podstawie osiągnięcia naukowego „Opracowanie służących do oceny uciążliwości środowiskowej procedur analitycznych i rozpuszczalników”. Pracuje w Katedrze Chemii Analitycznej od 2012 roku. Jego zainteresowania naukowe łączą analitykę chemiczną, zwłaszcza analityka związków organicznych w próbkach środowiskowych, z...
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Jarosław Sadowski dr hab. inż.
Osoby