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Katalog Publikacji
Rok 2025
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Determining a damping coefficient by using a microelectromechanical systems accelerometer for finite element method simulation purposes on a discrete damper example
PublikacjaThis paper introduces a methodology, algorithms, and the achieved results for determining the damping coefficient using a microelectromechanical systems (MEMS) accelerometer, specifically for finite element method (FEM) simulations. The paper not only showcases the results but also employs several independent verification procedures to confirm the validity of the obtained damping coefficient. The determined damping coefficient...
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Determining the Range of Applicability of Analytical Methods for Belleville Springs and Novel Approach of Calculating Quasi-Progressive Spring Stacks
PublikacjaThis study investigates the accuracy of analytical methods for Belleville springs by comparing their results with finite element method (FEM) models to determine their applicability. Both well-established approaches, such as the Almen–Laszlo and Muhr– Niepage methods, and modern techniques, including Zheng’s energy method, Ferrari’s method, and Leininger’s approach, were analyzed. The findings identified areas of consistency between...
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Development and Evolution of Slacks-Based Measure Models in Data Envelopment Analysis: A Comprehensive Review of the Literature
PublikacjaThis paper provides a comprehensive review of slacks-based measure (SBM) models within the nonparametric data envelopment analysis (DEA) framework. The review reveals that the development and modifications of SBM models have progressed in multiple directions. Key areas of modification include (1) the nature of inputs and outputs, (2) data specificity, (3) super-efficiency for ranking decision-making units, (4) the inclusion...
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Development of a High-Sensitivity Triple-Band Nano-Biosensor Utilizing Petahertz Metamaterials for Optimal Absorption in Early-Stage Leukemia Detection
PublikacjaThis research focuses on designing a novel miniaturized biosensor for early-stage detection of leukemia. The proposed sensor operates in the low Petahertz (PHz) range. The primary prerequisites for the development process include multi-band operation, compact physical size, near-perfect absorption at resonant frequencies, and insensitivity to the angle of incidence. These features are crucial for ensuring high-performance operation...
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Development of an asymmetric cellulose acetate-ionic liquid P6,6,6,14[PHOS] gel membrane for the perstraction of succinic acid from a model fermentation solution of yarrovia lipolytica
PublikacjaThis study introduces a novel approach to separate succinic acid (SA) from fermentation mixtures using an asymmetric membrane based on the gelation of the ionic liquid [P6,6,6,14][PHOS] coated with two layers of cellulose acetate. The membrane was designed to explore the synergistic effect of polymer-ionic liquid interfaces according to the solution-diffusion theory. The gelation of the ionic liquid was achieved using 12-hydroxystearic...
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Development of dual nozzle slurry extrusion 3D printer by integrating material extrusion and photopolymerization for the fabrication of engineered ceramics
PublikacjaThis research focuses on developing a dual-nozzle slurry-based extrusion 3D printer capable of fabricating intricate zirconia structures. The designed 3D printer combines material extrusion and photopolymerization technologies to improve material diversity, precision, and cost-effectiveness. The 3D printer design incorporates ultraviolet curing to instantly cure extruded zirconia slurry thereby, eliminating the need for a step-wise...
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Development of PLA-based bilayer nanofibers containing ZIF (zeolitic imidazolate framework)-67 nanoparticles for active food packaging applications in citrus preservation
PublikacjaIn this study, antimicrobial monolayer and bilayer nanofibers were developed from poly(lactic acid) (PLA) by incorporating zeolitic imidazolate framework-67 (ZIF-67) nanoparticles via electrospinning for active food packaging. ZIF-67 nanoparticles were synthesized under varying conditions, and their physicochemical properties were thoroughly characterized. Active monolayer PLA nanofibers were produced by directly electrospinning...
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Development of UAV-based LiDAR and multispectral measurement techniques for monitoring sediment intrusion in coastal wetlands
PublikacjaThis study presents an innovative measurement method utilizing Uncrewed Aerial Vehicle (UAV)-based Light Detection and Ranging (LiDAR) sensor and multispectral imaging to precisely monitor sand deposition in coastal wetlands. The classification scheme developed in this research distinguishes four key coastal land cover classes: New Sand (recently deposited sediments), Old Sand (previously deposited and partially stabilized sediments), Vegetation...
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Diagnosis of marine internal combustion engines by means of rapidly variable temperature and composition of exhaust gas as an alternative or support for currently used diagnostic methods
PublikacjaThe article points out relevance of parametric diagnostics of ship engines and analyzes the state of research in this field. A method is proposed for diagnosing engine systems on the basis of rapidly variable exhaust temperature while measuring its composition. A method for determining diagnoser tools from the signal within one engine cycle and mathematical and statistical treatment of test results is presented. The products of...
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Diagnostyka istniejących konstrukcji stalowych, w tym zastosowanie badań nieniszczących w ocenie stanu konstrukcji
PublikacjaDiagnostyka istniejących konstrukcji stalowych, jest kluczowym elementem oceny stanu technicznego obiektów budowlanych. Proces diagnostyczny ma na celu identyfikację deformacji konstrukcji, uszkodzeń spowodowanych warunkami eksploatacji oraz stopnia zużycia materiału. Główne cele diagnostyki obejmują zapewnienie bezpieczeństwa użytkowania, ocenę stanu technicznego, planowanie napraw i modernizacji oraz kontrolę zgodności z przepisami. W...
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Differences in technical and clinical perspectives on AI validation in cancer imaging: mind the gap!
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Differential evolution-optimized gold nanorods for enhanced photothermal conversion
PublikacjaNoble metallic nanoparticles (NPs) have shown great potential in the field of sustainable energy. Gold nanorods (AuNRs), known for their size-dependent optical and electrical characteristics, are strong candidates for various applications, particularly in solar energy conversion. Additionally, AuNRs are well-established nanomaterials in precision medicine. In this paper, we optimize the shape and size of AuNRs to maximize light-to-heat...
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Discrete evacuation in graphs with multiple exits
PublikacjaIn this paper, we consider the problem of efficient evacuation of mobile agents from distinct nodes in a graph to multiple exit nodes, while avoiding congestion and bottlenecks, and minimizing the total evacuation time. Each node in the graph can only hold one agent at a time, so the agents must choose their movements based on the locations of other agents to optimize the evacuation process. We consider two scenarios: the centralized...
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Discrete Non-Integer Order Model of Synchronous Generator for Power Hardware In the Loop Implementation
PublikacjaNon-integer order modelling is used for a better description of different nature physical phenomena which leads to more compact and knowledge-based models. The main objective of the presented study is to apply the non-integer order model of synchronous generator (SG) in the Power Hardware In the Loop (PHIL) technique which is readily used for i.e. design, research and development, maintenance or service purposes. The developed...
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Distinct cellular uptake patterns of two anticancer unsymmetrical bisacridines and their metabolic transformation in tumor cells.
PublikacjaUnsymmetrical bisacridines (UAs) represent a novel class of anticancer agents. Their high cytotoxicity towards multiple human cancer cell lines and inhibition of human tumor xenograft growth in nude mice signal their potential for cancer treatment. Therefore, the mechanism of their strong biological activity is broadly investigated. Here, we explore the efflux and metabolism of UAs, as both strongly contribute to the development...
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Diverse roles, advantages and importance of deep eutectic solvents application in solid and liquid-phase microextraction techniques – A review
PublikacjaDeep eutectic solvents (DESs) are an emerging class of promising green solvents used as an alternative to traditional organic solvents in various scientific fields. The high biodegradability, biocompatibility, eco-friendliness, tunable properties, and presence of active groups in DESs make them the preferred solvent in a variety of solid- and liquid-phase microextraction techniques. Aside from these benefits, the use of DESs in...
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Diversity, Equality, and Inclusion Maturity Model: Setting New Standards in Responsible Business Education – Evidence from PRIME Reports
PublikacjaPurpose Creating diverse, equal and inclusive (DEI) environments is an important and relevant area of research on corporate social responsibility (CSR). This paper aims to identify recent trends in the business schools context, as they are primary sources of ethical management innovation. The paper also aims to identify business school DEI maturity levels. Design/methodology/approach The research design is qualitative. Using thematic...
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Dobre praktyki doskonalenia organizacji w świetle kryteriów Pomorskiej Nagrody Jakości
PublikacjaMonografia została poprzedzona wstępem i składa się z czterech zasadniczych rozdziałów. W rozdziale 1 zaprezentowano założenia i ewolucję koncepcji kompleksowego zarządzania jakością (Total Quality Management, TQM) oraz przykłady modelowych rozwiązań w tym obszarze. W rozdziale 2 omówiono różne najważniejsze modele doskonałości oraz konkursy promujące ideę tych modeli. Ważne miejsce w ramach tych rozważań zajmują kwestie dotyczące...
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Docieranie otworów i zewnętrznych powierzchni walcowych
PublikacjaW artykule przedstawiono metody docierania otworów i zewnętrznych powierzchni walcowych. Omówiono typowe obrabiarki i narzędzia. Podano wytyczne do projektowania separatorów przedmiotowych i trzpieniowych narzędzi rozprężnych.
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Dom 2 / Gdynia
PublikacjaDom jednorodzinny został zaprojektowany w miejscu budynku z lat 50. ubiegłego wieku. Ze względu na architektoniczną tradycję dzielnicy Orłowo i wynikające z niej wytyczne konserwatorskie forma nowego obiektu nawiązuje do tutejszej modernistycznej zabudowy i jest powtórzeniem formy swojego poprzednika. Składają się na nią dwa prostopadłościany o różnej wysokości, z przesunięciem elewacji jednego z nich. Tym samym nawiązuje ona zarówno...
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Drifting from the Earth towards Death: A Study of Stephen Kekeghe’s Rumbling Sky
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D’une collaboration interprofessionnelle à l’interdisciplinarité : Interdépendance dans la formation professionnalisante qatarienne
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Dynamic anaerobic digestion-based biorefineries for on-demand renewable energy and bioproducts in a circular bioeconomy
PublikacjaAnaerobic digestion (AD) is an important biotechnology for treating biodegrad- able residues and producing bioenergy, yet its full potential remains untapped. We investigate a two-phase AD system for biorefinery applications, producing valuable bioproducts, such as volatile fatty acids (VFAs) and biogas, from grass feedstock. We introduce a demand-driven operational approach to match mar- ket conditions, while minimising water...
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Dynamic Electrochemical Impedance Spectroscopy in Galvanostatic Mode as a Tool for Passive Layer State Monitoring in a Chloride Solution Under a Mechanical Load
PublikacjaMechanical stress is one of the factors influencing the initiation of pitting corrosion and deterioration of the protective properties of the passive layer on stainless steel. The tests carried out on AISI 304L stainless steel showed that, in the 3.5% NaCl environment for samples loaded in the elastic and plastic range, no pitting corrosion initiation was observed. Only mechanical damage of the passive layer occurred. Galvanodynamic...
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DZIENNIK(AI)RSTWO. Jak sztuczna inteligencja zmienia najciekawszą profesję na świecie
Publikacjaa banałem rewolucji sztucznej inteligencji (AI) kryją się obietnice, lęki i marzenia o nirwanie końca ułomności dziennikarstwa i bogactwie możliwości. Dziennikarstwo algorytmiczne, dziennikarstwo danych, burzy fundamenty modeli biznesowych i zarządzania mediami, tożsamości i ról zawodowych oraz dziennikarskiej ideologii. Obiecuje wiele, destabilizuje wszystko. Zapowiada egalitaryzm, oferuje niespotykaną historycznie dominację....
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Early-Age Hydration Reaction of Cement Mortars with the Participation of Aluminosilicate Microsphere Fractions
PublikacjaThe paper presents the influence of two fractions (M1 and M2) of aluminosilicate microspheres in the amount of 0.0%, 1.5%, 3.5%, and 5% as a cement substitute on the early heat of hydration of cement mortars assessed by isothermal calorimetry (IC). The study results showed a higher accumulated heat of hydration for cement mortars with 1.5% of the test material for both grain fractions. In turn, mortars with 3.5% and 5% of smaller...
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EDRNet: An attention-based model for multi-type tumor and polyp segmentation in medical imaging
PublikacjaIn the pursuit of advancing medical image segmentation, this study introduces a novel neural network, Efficient Deep Residual Network (EDRNet). Our approach is designed to handle different types of tumors, encompassing MRI brain tumor segmentation, three breast tumor ultrasound segmentation tasks, and cholorectal polyp segmentation from the Kvasir dataset. EDRNet incorporates advanced architectural features such as Enhanced Residual...
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Effect of AlF3 and KF addition on the structure and luminescent properties of P2O5 – K2O – Nb2O5 – Bi2O3 glasses doped with Eu3+
PublikacjaBased on the developed phosphate glasses P2O5–K2O–Bi2O3–Nb2O5 doped with Eu3+, the influence of AlF3 and KF on the structural and luminescent properties was investigated. For this purpose, three series of glasses containing from 5 to 15 mol% fluorides were synthesized. Two of the series included the KF additive, which was introduced in two ways - proportionally and disproportionately at the expense of the K2O share. The structural characterization...
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Effect of miR-223-3p and miR-328a-3p Knockdown on Allergic Airway Inflammation in Rat Precision-Cut Lung Slices
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Effect of process parameters on properties of Mn1.5CuFe0.5O4 spinel oxide coatings deposited by spray pyrolysis method
PublikacjaOne of the critical issues in the lifetime of metallic interconnects is related to their high oxidation rate and Cr diffusion, which negatively affect their performance. In the present study, a novel Fe modified Mn–Cu spinel oxide with the chemical composition of Mn1.5CuFe0.5O4 as protective coating was deposited on the surface of Crofer 22 APU and alumina by the spray pyrolysis method. The effects of different deposition conditions...
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Effect of rPET Content and Preform Heating/Cooling Conditions in the Stretch Blow Molding Process on Microcavitation and Solid-State Post-Condensation of vPET-rPET Blend: Part II—Statistical Analysis and Interpretation of Tests
PublikacjaThis research explores how varying proportions of virgin polyethylene terephthalate (vPET) and recycled polyethylene terephthalate (rPET) in vPET-rPET blends, combined with preform thermal conditions during the stretch blow molding (SBM) process, influence PET bottles’ microscopic characteristics. Key metrics such as viscosity, density, crystallinity, amorphous phase relaxation, and microcavitation were assessed using response...
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Effect of synthesis method on ammonium sorption behavior of oat husk biochar
PublikacjaAmmonium is a pollutant commonly detected in various water sources and, in high concentrations, poses significant risks to environmental quality and public health. Numerous techniques have been developed and are currently employed to eliminate pollutants, including ammonium ions, from water. Among these various methods, adsorption has proven to be the most cost-effective and eco-friendly, particularly when utilizing an inexpensive...
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Effect of water contamination of an environmentally acceptable lubricant based on synthetic esters on the wear and hydrodynamic properties of stern tube bearing
PublikacjaThe ecological aspects of the lubrication of stern tube bearings on ships represent a critical challenge today. Oil leakages are a typical issue, even for new systems, similarly to water ingress from the environment. One of the options for improving environmental protection is replacing mineral oil with an environmentally adaptable lubricant (EAL). This paper reports experimental investigations of the effect of water content in...
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Effect of Zirconia addition on Laser powder bed fusion of Inconel 718-zirconia Composite
PublikacjaThis study investigates the integration of zirconia (ZrO2) as a reinforcing agent in the Inconel 718 matrix to potentially enhance material hardness and high-temperature oxidation resistance. Employing laser powder bed fusion (LPBF), 3D composite parts of Inconel 718-ZrO2 were systematically fabricated, varying the zirconia mass. The primary objectives encompass exploring the impact of zirconia on the microstructure, micro-hardness,...
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Effects of aggregate crushing and strain rate on fracture in compressive concrete with a DEM-based breakage model
PublikacjaW tym artykule zbadano, w jaki sposób kruche kruszywa wpływają na mezoskopowe zachowanie dynamiczne betonu w warunkach jednoosiowego ściskania. Przeprowadzono obszerne dynamiczne obliczenia dwuwymiarowe (2D), aby zbadać wpływ kruszenia kruszywa i szybkości odkształcania na dynamiczną wytrzymałość betonu i wzory pęknięć. Wykorzystując model pękania oparty na DEM, beton symulowano jako materiał czterofazowy składający się z kruszywa,...
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Effects of Emerging Pollutant Mixtures: Assessing the Impact of Caffeine and Ionic Liquid on Cyanobacteria and Diatom Species
PublikacjaThe presence of micropollutants poses significant environmental concerns due to their potential toxicity in aquatic ecosystems. However, the effects of micropollutant mixtures, particularly synergistic or antagonistic interactions, remain underexplored. The study employs nonstandard biomarkers to investigate the interaction effects of binary mixtures of caffeine, a prevalent anthropogenic contaminant, and the imidazolium-based...
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Effects of pain in lumbosacral stenosis and lifestyle-related factors on brain-derived neurotrophic factor expression profiles
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Effects of process parameters on dynamic and static load capacity of EN AW-2024-T3 aluminum alloy joints prepared by friction stir welding
PublikacjaThis study investigates the impact of friction-stir welding (FSW) process parameters on the mechanical performance and fracture behavior of EN AW-2024-T3 aluminum alloy joints. A series of static and dynamic mechanical tests were conducted on six welded samples, revealing that the joint strength and fracture characteristics are highly sensitive to FSW parameters, particularly tool rotational rate, pin length, and traverse speed....
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Efficacy and safety of intravenous iron therapy in heart failure patients with iron deficiency: a systematic review and meta-analysis of randomized controlled trials
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Efficacy of modal curvature damage detection in various pre-damage data assumptions and modal identification techniques
PublikacjaThe efficacy of modal curvature approach for damage localization is discussed in the paper in the context of input data. Three modal identification methods, i.e., Eigensystem Realization Algorithm (ERA), Natural Excitation Technique with ERA (NExT-ERA) and Covariance Driven Stochastic Subspace Identification (SSI-Cov), and four methods of determining baseline data, i.e., real measurement of the undamaged state, analytical function,...
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Ekspertyz techniczne zabytkowych obiektów budowlanych . Wybrane zagadnienia
PublikacjaWspółczesna tendencja do skracania czasu realizacji prac remontowo- naprawczych obiektów budowlanych będących zabytkami nieruchomymi, przy jednoczesnym ograniczaniu zakresu oraz stopnia szczegółowości dokumentacji projektowej, jak również często realizowane zmiany sposo- bu użytkowania obiektów zabytkowych wymagają zwrócenia szczególnej uwagi na zagadnienie właściwej oceny stanu technicznego tego typu obiek- tów prowadzonej na...
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Electrifying the bus network with trolleybus: Analyzing the in motion charging technology
PublikacjaCurrently, electric buses are becoming more and more popular, and their number in operation is increasing. The range of electric buses is also increasing and solutions that seem to be working almost without fixed infrastructure are being promised. However, this requires the use of high-capacity batteries, which increases the weight and price of the vehicle and causes high costs of battery replacement during operation. Moreover,...
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Electrospun Fibers from Biobased and Recycled Materials for Indoor Air Quality Enhancement
PublikacjaAir filters are crucial components of building ventilation systems. Compared to conventional air filter media like glass fibers and melt-blown fibers, electrospinning membranes are more efficient for capturing various pollutants due to the smaller pores present on the structure. In this paper, activated carbon filters were prepared with eco-friendly polylactic acid (PLA) and microcrystalline cellulose (MCC) using electrospinning...
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Elicited Production of Essential Oil with Immunomodulatory Activity in Salvia apiana Microshoot Culture
PublikacjaSalvia apiana Jepson is an endemic North American species characterized by a rich phytochemical profile including abietane-type diterpenoids, phenolic acids, flavonoids, and thujone-free essential oil (EO). The current study was aimed at increasing EO production in bioreactor-grown S. apiana microshoot culture through biotic elicitation using chitosan, ergosterol, and yeast extract (YE). Additionally, the immunomodulatory effects...
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Elucidating charge transfer process and enhancing electrochemical performance of laser-induced graphene via surface engineering with sustainable hydrogel membranes: An electrochemist's perspective
PublikacjaLaser-induced graphene (LIG) has emerged as a promising solvent-free strategy for producing highly porous, 3D graphene structures, particularly for electrochemical applications. However, the unique character of LIG and hydrogel membrane (HM) coated LIG requires accounting for the specific conditions of its charge transfer process. This study investigates electron transfer kinetics and the electroactive surface area of LIG electrodes,...
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EMF Signature Analysis in a Marine-Type Brushless Synchronous Generator for Online Fault Detection
PublikacjaThe objective of the paper is to investigate the application of the current signature analysis type approach for the online diagnosis of a marine-type Brushless Synchronous Generator (BSG). The system’s diagnostic would be done using an automated test procedure when the generator comes online or offline. The analysis of the measured electromotive force waveform (EMF) is used for fault detection. The paper’s main contribution...
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Energy Clusters in Reconciling Paradoxes in Corporate Sustainability
PublikacjaOur study aims to discover whether there is awareness and acknowledgment of paradoxical tensions in the sustainability pillars in clusters operating in the energy sector, as well as whether and how these clusters help their member companies reconcile these paradoxes. Our study also intends to discover the role of clusters in supporting sustainable value chain creation to solve paradoxical tensions. We use a multiple case study...
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Energy landscape and structural transformations of C38 penta-fullerene: The stabilizing role of octagons and insights into penta-octa-penta-fullerene
PublikacjaTheoretical investigations were conducted to study the stability and energy landscape of C38 penta-fullerene, a structure comprising six penta-graphene unit cells. Vibrational analysis at the B3LYP/def2SVP level revealed 18 negative frequencies, indicating the dynamic instability of penta-fullerene. Analyzing the energy profiles for these vibrational modes led to the identification of six energetically favourable isomers, featuring...
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Energy potential and economic viability of small-scale wind turbines
PublikacjaSmall-scale wind turbines (SWTs) have the potential to complement residential PV systems, but their feasibility is highly dependent on local wind conditions, particularly at low elevations where wind resources exhibit high spatial and temporal variability. This study evaluates SWT potential in Poland (Central Europe) using hourly wind speed measurements over six years from 269 gauging stations. A generic power curve is applied...
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Energy Router: A Sustainable Solution for Future Residential Buildings
PublikacjaElectric energy consumption is increasing much faster than the predicted growth in energy generation. Although the installed capacity of renewable energy sources is also expanding, grid congestion remains unavoidable without adopting smart energy management systems (EMS) and flexible power electronics structures. Given the significant installed capacity of photovoltaic (PV) systems in the residential sector, moving towards zero-emission...