Wyszukiwarka
Katalog Publikacji
Filtry
wszystkich: 71179
wyświetlamy 1000 najlepszych wyników Pomoc
Katalog Publikacji
Rok 2025
-
Circular economy dynamics and country clusters: evidence for European countries
PublikacjaThis study examines trends in circular economy (CE) adoption across 27 European nations from 2012 to 2021. Two key objectives are explored: the evolution of cross-country disparities in CE practices and the identification of clusters with similar CE adoption patterns. Our analysis reveals a gradual convergence in CE adoption, which did not always lead to positive outcomes. Some countries improved recycling rates but saw increased...
-
Circular economy in Poland: Good practices and recommendations – case study
PublikacjaThis review paper explores circular economy (CE) initiatives and Green Public Procurement (GPP) practices in Poland, focusing on practical implementation and regulatory frameworks. The concept of CE is explored in depth, focusing on its potential to mitigate climate change and resource depletion by extending product lifecycles and reducing waste generation. Transitioning to a CE model offers numerous environmental and economic...
-
Cluster Glass Behavior and Magnetocaloric Effect in the Hexagonal Polymorph of Disordered Ce2PdGe3
PublikacjaIn this work, the hexagonal variant of the Ce2PdGe3 system is studied, which crystallizes in the AlB2-type structure (space group P6/mmm, hP3) and exhibits cluster spin-glass type behavior. The physical properties are studied by magnetization, heat capacity and electric resistivity, which showed that AlB2-type Ce2PdGe3 (h-Ce2PdGe3) can be classified as a cluster glass material with the freezing temperature Tf = 3.44 K in contrast...
-
c-Myc inhibition and p21 modulation contribute to unsymmetrical bisacridines-induced apoptosis and senescence in pancreatic cancer cells
PublikacjaBackground Pancreatic cancer (PC) is one of the most aggressive cancers and is the seventh leading cause of cancer-related death worldwide. PC is characterized by rapid progression and resistance to conventional treatments. Mutations in KRAS, CDKN2A, TP53, SMAD4/DPC4, and MYC are major genetic alterations associated with poor treatment outcomes in patients with PC. Therefore, optimizing PC therapy is a tremendous challenge. Unsymmetrical...
-
CO2 capture through Direct-Contact Condensation in a spray ejector condenser aided by a cyclone or T-junction separators
PublikacjaThis dissertation explores the vital task of separating and purifying CO2 in post-combustion sections of gas power plants. It focuses on integrating spray or steam ejector condenser with cyclone or T-junction separators to enhance CO2 capture through direct-contact condensation (DCC). The study employs experimental, analytical, and numerical techniques to understand DCC mechanisms within SEC and optimize separator performance....
-
Collaborative Learning as a Service – a Blueprint for a Cloud Based Rural IoTs Deployment Facility.
PublikacjaVast spaces with inadequate telecommunications infrastructure pose a challenge to deploy IoT systems. A tech stack is proposed and implemented on TASKcloud at Gdansk Tech, based on widely available open-source technology components, making it possible to deploy various machine learning models developed on the cloud to constrained end devices, to make them capable of intelligently cleaning measurement data and optimizing their volume...
-
Comammox Nitrospira dominates the nitrifying bacterial community in the external canister biofilter in the tank fish farm
PublikacjaPortable canister filters are often used in aquaria or smaller recirculating aquaculture systems (RAS). However, the microbiome of these canister filters, especially the presence of comammox bacteria, has not been extensively studied. The aim of this study was to explain the mechanisms of nitrogen transformation, with a focus on the comammox process, in a portable filter under varying organic compound availability. Biomass samples...
-
Communication of luxury brands: an analysis of Ralph Lauren, Loro Piana and Louis Vuitton - case study
PublikacjaThe article presents an introduction to the concept of communication that focuses on the luxury brands such as Ralph Lauren, Loro Piana and Louis Vuitton, based on the available literature on the subject. The article describes comprehensive communication that can be used in the luxury brands. The publication begins with an indication of the communication concept in the light of current literature...
-
Communication of luxury brands based on Vogue, Harper's Bazaar and L'Officiel - case study
PublikacjaThe article presents an introduction to the concept of luxury brands and the way they communicate in a fashion and design magazines based on the available literature of the subject. The article describes comprehensive communication and marketing tools that can be used in practice. The publication begins with an indication of fashion industry in the light of current literature on the subject, an explanation...
-
Communication strategies on the example of luxury brands as Armani, Dior and Yves Saint Laurent - case study
PublikacjaThe article presents an introduction to the concept of communication that focuses on the luxury brands such as Armani, Dior and Yves Saint Laurent, based on the available literature on the subject. The article describes comprehensive communication that can be used in the luxury brands. The publication begins with an indication of the communication concept in the light of current literature on the...
-
Company culture matters! Knowledge-driven companies' way to innovations and sustainability
PublikacjaCompanies today aim to adapt to rapidly changing business environments by acquiring knowledge, developing dynamic capabilities, fostering market innovations, and ensuring sustainability. Achieving these goals requires a supportive company culture aligned with its structure and strategy. This study proves the critical role of company culture in sustainability based on a sample of 496 Polish knowledge workers, using structural equation...
-
Comparative Analysis of Entrepreneurial Intention Among Students: A Cross-Country Study
PublikacjaEntrepreneurial intention (EI) is a predictor of entrepreneurial behavior. In past years, it received significant attention due to the numerous advantages of entrepreneurial activities. The formation of EI within diverse international settings has been studied by researchers; however, the results of these studies are still inconclusive. Building on the Theory of Planned Behavior (TPB), this study aims to shed light on how EI is...
-
Comparative assessment of entire bending-torsion fracture surface for 10HNAP steel using different optical measurement techniques
PublikacjaThis research aims to compare two microscopic measurement techniques: Confocal and Focus Variation, for the assessment of the entire fracture surface method. The measurements were conducted using the Sensofar S Neox 3D and Alicona InfiniteFocus G4 optical profilometers. Surface parameters were assessed for the entire fracture regions of the 10HNAP structural steel ring V-notched specimen. Fatigue test were performed under combination...
-
Comparative study of bisphenols in e-cigarette liquids: evaluating fabric phase sorptive extraction, ultrasound-assisted membrane extraction, and solid phase extraction techniques
PublikacjaTo address the under-researched risk of bisphenols (BPs) in e-cigarette liquids, comprehensive studies have been conducted to propose optimum sample preparation and analysis methods. To determine twelve BPs in refill liquids for e-cigarettes, three sample preparation methods based on distinct operational and working principles were employed. These included fabric phase sorptive extraction (FPSE), ultrasound-assisted solvent extraction...
-
Comparing Indian and Western media reports on the “BRICS Summit 2024 and India's Participation”
Publikacja -
Compressive and tensile properties of polyurethane foam mimicking trabecular tissue in artificial femoral head bones
PublikacjaThe presented study aimed to examine the compressive and tensile behavior of the polyurethane foams mimicking trabecular tissue in the artificial human femurs and assess their potential to replicate osteoporotic type of human bone tissue. Two types of Synbone femur models: one of the normal density (model 2350) and one of the lower density (model LD2350), and three types of Sawbones femur models (model 1130-21-8, 1130-21-3, 1130-192)...
-
Concept and Implementation of Innovative Scalable Wind Turbine Emulator with Doubly Fed Asynchronous Machine
PublikacjaThis paper presents the design of an innovative scalable wind turbine emulator. The system’s hardware and software components are described in detail including test results, demonstrating the research potential of the proposed design. The uniqueness of the proposed solution lies in its scalability, achieved despite the use of physical devices with fixed parameters. This scalability allows for the flexible shaping of the system’s...
-
Conductive Hydrogels: Bioelectronics and Environmental Applications
PublikacjaFlexible multimodal sensors have garnered continued attention due to their tunable structural performance and sensitivity to electric signals, adaptability to various environments, and outstanding mechanical properties. However, the limited self-healing capabilities, degradation, and reversible self-adhesion of sensors made from rubbers, elastomers, and other polymers have hindered their widespread application. Flexible sensors...
-
Control structures of Doubly-Fed Induction Generator connected to Current Source Converter
PublikacjaThe control of Doubly-Fed Induction Generator can be achieved through various techniques. At present, many works published in the literature show the application of Voltage Source Converter in conjunction with Doubly-Fed Induction Generator. Recently published articles rarely involve the operational characteristics and technical aspects of the Doubly-Fed Induction Generator - Current Source Converter systems. The dissertation presents...
-
Coordination of planning regulations at the edge of water and land. Conflicts within planning policy for urban blue space in small and medium-sized Polish port cities and possible directions of change
PublikacjaLand-sea integration is crucial for effective marine spatial planning and coastal zone management. Coordination of marine and land planning should ensure ecological sustainability of the coastal area, enable cross-coast investments and promote well-being of the society. A critical element for achieving sustainable development of marine and coastal area is the integration of marine and land planning on the verge of sea waters and...
-
Corrosion Resistance and Structure of Cr−O−N Coatings Formed in Vacuum Arc Plasma Fluxes With PIIID
PublikacjaCr−O−N-based vacuum arc coatings are very promising for the wear and corrosion protection of various steel parts. The aim of the work was to determine the effect of frequency and amplitude of the pulsed bias voltage (UB) on the elemental and phase composition, mechanical, and corrosion properties of Cr−O−N coatings. They have an amorphous structure with embedded nanosized solid solution crystallites based on CrN with a cubic structure...
-
Cost-Efficient Behavioral Modeling of Antennas by Means of Global Sensitivity Analysis and Dimensionality Reduction
PublikacjaComputational tools, particularly electromagnetic (EM) solvers, are now commonplace in antenna design. While ensuring reliability, EM simulations are time-consuming, leading to high costs associated with EM-driven procedures like parametric optimization or statistical design. Various techniques have been developed to address this issue, with surrogate modeling methods garnering particular attention due to their potential advantages....
-
Crisis Management in the Hospitality Industry Analyzed Through a Social Sustainability Focus on Male and Female Leadership Styles
PublikacjaHuman capital management's managerial practices during a crisis ensure the achievement of main strategic objectives and result in long-term values, such as organizational learning, resilience, innovation, and business flexibility. Therefore, this study considers the social sustainability perspective in the hospitality industry as a critical aspect of crisis management. It specifically...
-
Cross-Section Calculations for Electron-Impact Ionization of Pyrimidine Molecule and Its Halogenated Derivatives: 2-Chloropyrimidine, 5-Chloropyrimidine, 2-Bromopyrimidine and 5-Bromopyrimidine
PublikacjaThe total cross-sections for the single electron-impact ionization of pyrimidine (C4H4N2), 2-chloropyrimidine (2-C4H3ClN2), 5-chloropyrimidine (5-C4H3ClN2), 2-bromopyrimidine (2-C4H3BrN2) and 5-bromopyrimidine (5-C4H3BrN2) molecules have been calculated with the binary-encounter-Bethe model from the ionization threshold up to 5 keV. The input data for the BEB calculations concerning electronic structure of the studied targets have...
-
Crystal Structures of d-Lyxono-1,4-lactone and Its O-Tosyl Derivative
Publikacjaγ- and δ-lactones were formed by bromine oxidation of commercially available D-lyxose, as confirmed by IR analysis. The former was isolated, and its structure was confirmed by NMR spectra and X-ray analysis. In this structure, the presence of both intermolecular and intramolecular hydrogen bonds was found. Intermolecular interactions in the crystal were illustrated using the Hirshfeld surfaces. Due to steric reasons, 3,5- O-isopropylidene-D-lyxono-1,4-lactone...
-
Cu-incorporated NH2-MIL-125(Ti): a versatile visible-light-driven platform for enhanced photocatalytic H2 generation and CO2 photoconversion
Publikacja -
Cultivating Cultural Competence: Exploring Kramsch's Framework in Language Education
Publikacja -
Current advances in surface wettability in food packaging materials: Strategies, methods and future trends
PublikacjaSurface wettability plays a significant role in the functionality and safety of food packaging materials, influencing factors such as moisture resistance, microbial growth, and the effectiveness of active packaging technologies. The present study provides an in-depth investigation of the fundamental concepts underlying surface wettability, including contact angle theory, surface energy, measurement and characterisation, and how...
-
Cytotoxicity of ZnO nanoparticles in human melanocyte cells in the presence or absence of UV radiation: A preliminary comparative study with TiO2 nanoparticles
PublikacjaZinc oxide nanoparticles (ZnONPs) and titanium dioxide nanoparticles (TiO2NPs), due to their nanometric size and photostability, are increasingly used as ingredients in sunscreens to absorb and scatter UV radiation. However, the current state of knowledge is insufficient to guarantee their safety. Therefore, the objectives of this study were to evaluate the cytotoxicity of ZnONPs and TiO2NPs in the presence and absence of UV radiation...
-
Czy inżynier budownictwa musi być nieomylny?
PublikacjaJakość dokumentacji projektowej oraz zachowanie reżimu technologicznego podczas realizacji robót budowlanych mają decydujący wpływ na późniejsze bezpieczeństwo konstrukcji, jak również bezpieczeństwo użytkowania obiektów budowlanych. Nie bez znaczenia jest także późniejszy sposób eksploatacji tych obiektów. Błędy i niedociągnięcia występujące obecnie w szerokorozumianym budownictwie wzbudzają pytanie czy inżynier budownictwa ma...
-
Czy możemy symulować obrazy CT bez rzeczywistych skanów? Możliwości i ograniczenia modeli matematycznych
Publikacja -
Czy to są drapieżne czasopisma, konferencje? – w poszukiwaniu odpowiedzi
Publikacja -
Danzig grain trade. Economic dynamics, organisational structures and cultural challenges (1816– 1914)
PublikacjaThe chapter deals with the role of Danzig in the international grain trade between the early 19th century and the First World War. The objective is to examine the extent to which changes of a general economic nature, especially industrialisation in Western Europe and the consequent changes in living standards and consumer tastes, altered the long-term characteristics of grain exports from this area. Indeed, literature has studied...
-
Day-ahead Solar Power Forecasting Using LightGBM and Self-Attention Based Encoder-Decoder Networks
PublikacjaThe burgeoning trend of integrating renewable energy harvesters into the grid introduces critical issues for its reliability and stability. These issues arise from the stochastic and intermittent nature of renewable energy sources. Data-driven forecasting tools are indispensable in mitigating these challenges with their rugged performance. However, tools relying solely on data-driven methods often underperform when an adequate...
-
D-Band High Gain Planer Slot Array Antenna using Gap Waveguide Technology
PublikacjaA D-band high gain slot array antenna with corporate-fed distribution network based on gap waveguide structures is proposed at 140GHz. To overcome the fabrication challenges at such high frequency, the gap waveguide technology is deployed in which good electrical contact between different parts of the waveguide structure is not required. The proposed sub-array has four radiating slots that are excited by a groove gap cavity and...
-
Declarative ship arenas under favourable conditions
PublikacjaAccording to maritime regulations, a collision-avoidance action shall be taken at an “ample time” while strict interpretation of this term is ambiguous. Evasive manoeuvres, executed by marine navigators on a daily basis, are usually carried out well in advance, while the distance at which they decide to perform such a manoeuvre is mostly subjective and results, e.g., from the navigator's seagoing experience. A proper understanding...
-
Decoding Customer Experience: A Comparative Analysis of Electric and Internal Combustion Vehicles in the U.S. Market Through Structured Topic Modeling
PublikacjaAmid global environmental challenges, the transition from internal combustion vehicles (ICVs) to electric vehicles (EVs) is a priority for governments and automobile manufacturers. This shift requires a deep understanding of consumer preferences and evolving adoption trends. Existing research highlights critical gaps, such as the lack of comparative studies analyzing EVs and ICVs’ consumer-perceived value and their evolution over...
-
Decoding the role of large heat shock proteins in the progression of neuroinflammation‐mediated neurodegenerative disorders
PublikacjaChronic neuroinflammation and protein aggregation are the fundamental events mainly responsible for the progression of neurodegenerative diseases (NDs). Potential neurotoxic changes in the intra‐ and extracellular environment are typical hallmarks of many NDs. Treatment of ND is challenging, as the symptoms in these patients arises when a significant numbers of neurons have already been destroyed. Heat shock proteins (HSPs)...
-
Deep eutectic solvent enhances antibacterial activity of a modular lytic enzyme against Acinetobacter baumannii
PublikacjaIn this study, we evaluated the combined effect between MLE-15, a modular lytic enzyme composed of four building blocks, and reline, a natural deep eutectic solvent. The bioinformatic analysis allowed us to determine the spatial architecture of MLE-15, whose components were bactericidal peptide cecropin A connected via a flexible linker to the cell wall binding domain (CBD) of mesophilic 201ϕ2 − 1 endolysin and catalytic domain...
-
Deep eutectic solvent-enhanced crop residue adsorbents for eco-efficient volatile organosulfur compounds adsorption from gaseous fuels
PublikacjaThis study highlights the innovative potential of converting crop residues, typically considered waste, into valuable materials. By modifying these residues with green solvent-based deep eutectic solvents (DES), a novel adsorbent was specifically designed for the selective removal of volatile organosulfur compounds (such as thiophene, sec-butyl mercaptan, and dimethyl disulfide) from biogas streams. The selection of the most effective...
-
Deep eutectic solvent-induced coacervation in micellar solution of alkyl polyglucoside surfactant: Supramolecular solvent formation and application in food analysis
PublikacjaThe number of deep eutectic solvents were investigated to induce coacervation and cause phase separation in the micellar solution of the alkyl polyglucoside C8–C10. Three fatty acids were selected as hydrogen bond donors namely hexanoic acid, heptanoic acid, and octanoic acid, while quaternary ammonium salts and a monoterpenoid thymol were used as hydrogen bond acceptors to obtain deep eutectic solvents. The precursors of the deep...
-
Defective TiO2 for CO2 photoreduction: Influence of alkaline agent and reduction temperature modulation
PublikacjaThis study investigates the synthesis and characterization of Black TiO2 photocatalyst (TiO2-x) through the sol-gel method combined with NaBH4 reduction at different temperatures (350 °C, 500 °C, and 650 °C). The photocatalytic performance for CO2 reduction was evaluated, revealing that TiO2-x_500°C sample exhibited the highest efficiency. This enhanced performance is mainly attributed to a higher concentration of oxygen vacancies...
-
Degradation of dicamba – a persistent herbicide - by combined application of formic acid and UV as an advanced reduction process
PublikacjaThe degradation of dicamba as a persistent herbicide was studied with the combined application of UV and formic acid (FA) as a novel advanced reduction process (ARP). The effects of key parameters of FA concentration, dissolved organic matter, and inorganic anions were studied. A 97 % degradation and 94 % dechlorination of dicamba were obtained through the combination of UV and FA (UV-FA) at a dicamba concentration of 0.023 mM...
-
Dermoscopy of External Ear Melanocytic Lesions: Performance of Selected Dermoscopic Screening Algorithms and Proposal of a New Predictive Model for Malignancy (AuriCheck Dermoscopic Algorithm)
PublikacjaBackground/Objectives: External ear melanocytic lesions (EEMLs) are frequently encountered in clinical practice. EEMLs belong to dermoscopic special site locations and their dermoscopic presentation is poorly characterized. The aims of the study were to determine the dermoscopic features and patterns of EEMLs, to evaluate the performance of selected dermoscopic screening algorithms for EEML and to propose a dedicated site-specific...
-
Design and comparison of PI and boundary-based predictive controller for control of aeration in activated sludge bioreactor – Simulation and laboratory research
PublikacjaIn this paper, a classical PI and an on/off predictive boundary-based predictive controller (BBPC) algorithms are compared and verified using an ASM3-based model of an activated sludge system with a reactor and secondary settler. A laboratory-scale activated sludge setup is modelled in MATLAB/Simulink and verified using experimental data. BBPC and PI algorithms are compared in two scenarios of batch and continuous operation of...
-
Design and Validation of A 30 GHz 8×8 Slot Antenna Array with Ridge Waveguide Pins/Holes Layers
PublikacjaThis paper presents an 8×8-element slot antenna array optimized for 30 GHz band applications, achieving high gain, wide impedance bandwidth, and high efficiency. The array employs a pin/hole-based design, which enables a compact structure and reduces fabrication complexity and cost, as it eliminates the need for electrical contact between its three primary layers: the metal radiating slot plate, a sub-array cavity layer, and a...
-
Design blisko użytkownika - jak potrzeby kształtują lepsze produkty
PublikacjaJak wynika z wielu danych, sprzedaż artykułów z koszyka kosmetyczno-chemicznego rośnie zarówno wartościowo, jak i ilościowo każdego roku. Wzrostu nie zahamowała inflacja ani rosnące ceny produktów. Wynika to ze zmian społecznych i zmieniającego się stylu życia konsumentów, którzy zdążyli przywyknąć do wielu nowych rutyn pielęgnacyjnych i higienicznych. Dużą grupę tych produktów stanowią również aerozole, których znaczenie wciąż...
-
Design for well-being: from disadvantaged to satisfactory built environment, building places for vulnerable communities
PublikacjaPurpose - This study aims to explore the potential scope for physical improvements in disadvantaged neighbourhoods by identifying appropriate architectural and urban design solutions that enhance psychological and biological well-being. For this purpose, a case study from Beirut, Lebanon, called Sabra and Shatila, is examined. Design/methodology/approach - This study adopts qualitative methods, including fieldwork and...
-
Design Optimization for Enhancing the Power Density and Efficiency for GaN-Based DC–DC Converter
PublikacjaThis article presents an optimization strategy for enhancing the efficiency and power density of a GaN-based dc–dc converter, tailored for different applications with a wide input voltage range regulation. The optimization employs air-core inductors and implements a variable switching frequency modulation method to enable zero voltage switching turn-on for GaN transistors, facilitating greater flexibility in frequency adjustment...
-
Designing and implementing a coherent communication strategy in an oil and gas company - case study
PublikacjaThe article presents an introduction to the concept of designing and implementing a communication strategy based on the available literature on the subject. The article describes comprehensive communication strategies that can be used in practice. The publication begins with an indication of communication strategies in the light of current literature on the subject, an explanation of the characteristics...