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Rok 2025
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Hospitality Human Capital process model in crisis management: Managing human capital and revealing employees’ hidden capabilities
PublikacjaAs the hospitality industry is highly human-dependent, proper Human Capital management is crucial for responding to these challenges and becoming resilient in the long-term perspective. This study aims to verify the Value-Driven Process Model of Hospitality Human Capital management in the context of Crisis Management in restaurant SMEs, which is an underresearched part of the industry. The authors adjust the model by Young et al....
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Hydroelastic properties of the sailing fin – influence of the stiffness distribution on the hydrodynamic forces
PublikacjaThis thesis addresses the problem of determining the hydromechanical forces generated by flexible hydrofoils considering their deformation. The research was done on the example of the composite windsurfing fin for the RS:X monotype class. Despite the assumption of their identity, the everyday practice showed that the variations in the hydrodynamic and mechanical properties occur, affecting their performance. This thesis focuses...
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Hydrogel membranes in organ-on-a-chip devices: A review
PublikacjaOrgan-on-a-chip (OoC) devices represent advanced in vitro models enabling to mimic the human tissue architecture function and physiology, providing a promising alternative to the traditional animal testing methods. These devices combine the microfluidics with soft materials, specifically hydrogel membranes (HMs) for mimicking the extracellular matrix (ECM) and biological barriers, such as the blood-brain barrier (BBB). Hydrogels...
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Implementing an Analytical Model to Elucidate the Impacts of Nanostructure Size and Topology of Morphologically Diverse Zinc Oxide on Gas Sensing
PublikacjaThe development of state-of-the-art gas sensors based on metal oxide semiconductors (MOS) to monitor hazardous and greenhouse gas (e.g., methane, CH4, and carbon dioxide, CO2) has been significantly advanced. Moreover, the morphological and topographical structures of MOSs have significantly influenced the gas sensors by means of surface catalytic activities. This work examines the impact of morphological and topological networked...
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Implementing fermentation technology for comprehensive valorisation of seafood processing by-products: A critical review on recovering valuable nutrients and enhancing utilisation
PublikacjaFermentation technology is a biorefining tool that has been used in various industrial processes to recover valuable nutrients from different side streams. One promising application of this technique is in the reclamation of nutritional components from seafood side streams. Seafood processing generates significant amounts of waste, including heads, shells, and other side streams. These side streams contain high quantities of valued...
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Incorporation of doxorubicin into plant-derived nanovesicles: process monitoring and activity assessment
PublikacjaExtracellular vesicles (EVs) are an experimental class of drug carriers. Alternative sources of EVs are currently being explored to overcome limitations related to their manufacturing from mesenchymal stem cells. In this work, Citrus limon-derived EVs were tested as carriers for the widely used chemotherapeutic drug – doxorubicin (DOX). Capillary electrophoresis (CE) and nanoplasmonic sensing (NPS) were developed for the quality...
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Insight into charge carrier dynamics and interface design of {0 0 1} TiO2 coupled with TiOF2 for photocatalytic degradation of contaminants of emerging concern
PublikacjaHerein, the role of titanium oxyfluoride (TiOF2) on the charge carriers generation and electron transport in the {0 0 1} TiO2/TiOF2 heterojunction photocatalysts was examined. Time-resolved microwave conductivity (TRMC), fluorescence lifetime spectroscopy, and DFT calculations were applied to investigate the charge carriers dynamics. These binary photocatalysts in a broad TiOF2 content were further studied in photocatalytic generation of...
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Is DAO Governance Fostering Democracy? Reviewing Decision-Making in Decentraland
PublikacjaThis study analyzes voting dynamics and proposal outcomes within Decentraland, a prominent Decentralized Autonomous Organization (DAO), by examining its voting behaviors and decision outcomes. We offer insights into how a DAO is employed to facilitate decision-making and discern the nature of the issues about which decisions are made. DAOs promise horizontal and democratic decision-making. However, our research reveals...
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Joint foreign ownership and global value chains effects on productivity: a comparison of firms from Poland and Germany
PublikacjaPurpose The study aims to examine the joint effects of foreign ownership (FO) and involvement in global value chains (GVCs) on the productivity performance of firms from a catching-up country (Poland) and a leader economy (Germany). Design/methodology/approach The authors use micro-level data on firms combined with several sector-level GVC participation measures. The authors investigate whether the link between productivity and...
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KLUCZOWA ROLA KWALIFIKOWANEGO PRACOWNIKA OCHRONY W BUDOWANIU BEZPIECZEŃSTWA PUBLICZNEGO
PublikacjaWspółczesne wyzwania w zakresie ochrony osób i mienia sprawiają, że grupy interwencyjne odgrywają coraz ważniejszą rolę w systemie bezpieczeństwa. Ich zadania, wymagające zarówno wiedzy teoretycznej, jak i doskonałej sprawności fizycznej oraz umiejętności reagowania w sytuacjach kryzysowych, czynią ten zawód nie tylko odpowiedzialnym, ale i niezbędnym w dzisiejszym świecie. Grupy interwencyjne stanowią mobilne...
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Laccase-based biocatalytic systems application in sustainable degradation of pharmaceutically active contaminants
PublikacjaThe outflow of pharmaceutically active chemicals (PhACs) exerts a negative impact on biological systems even at extremely low concentrations. For instance, enormous threats to human and aquatic species have resulted from the widespread use of antibiotics in ecosystems, which stimulate the emergence and formation of antibiotic-resistant bacterial species and associated genes. Additionally, it is challenging to eliminate these...
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Laser-assisted rapid prototyping of silica optical fibers functionalized with nanodiamonds and multiple active rare earth dopants
PublikacjaWe present a rapid prototyping method for functionalized silica optical fibers, leveraging laser-assisted preform manufacturing combined with powder-in-tube and sol-gel dip-coating techniques. Laser vitrification enables precise thermal control through an ultra-thin heat blade characterized by localized heating and steep temperature gradients, facilitating high-quality glass formation and the integration of heat-sensitive dopants....
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Mitochondrial exonuclease EXOG supports DNA integrity by the removal of single-stranded DNA flaps
PublikacjaSingle-stranded DNA (ssDNA) is an important intermediate generated during various cellular DNA transactions, primarily during long-patch base excision repair. When displaced by DNA polymerase during strand displacement DNA synthesis, ssDNA forms 5′ overhangs (flaps) that are either cleaved by DNA nucleases or protected from degradation upon binding of single-stranded DNA-binding proteins (SSB). Several nucleases are involved in...
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MXene-based materials as adsorbents, photocatalysts, membranes and sensors for detection and removal of emerging and gaseous pollutants: A comprehensive review
Publikacja2D materials have garnered significant attention as potential solutions to various environmental challenges. Graphene, molybdenum disulfide, MXenes, and boron nitride have emerged as the most popular candidates among these materials. This article presents a comprehensive review and discussion on the emerging applications of MXenes in environmental engineering. MXenes have demonstrated immense potential as future materials for adsorption...
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Nanoparticle Skin Penetration: Depths and Routes Modeled In-Silico
PublikacjaNanoparticles (NPs) are increasingly explored for targeted skin penetration, particularly for pharmaceutical and cosmetic applications. However, the complex system between NP properties, skin structure, and experimental conditions poses significant challenges in predicting their penetration depth and pathways. To what depth do NPs penetrate the skin, and which pathways do they follow? These are the questions we tried to answer...
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Nanotechnology meets radiobiology: Fullerenols and Metallofullerenols as nano-shields in radiotherapy
PublikacjaDespite significant advances in the development of radioprotective measures, the clinical application of radioprotectors and radiomitigators remains limited due to insufficient efficacy and high toxicity of most agents. Additionally, in oncological radiotherapy, these compounds may interfere with the therapeutic effectiveness. Recent progress in nanotechnology highlights fullerenols (FulOHs) and metallofullerenols (Me@FulOHs) as...
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Neutral pH, multioxidants Fenton oxidation of dimethyl sulfoxide and acetamidophenol as water pollutant models
PublikacjaOrganic water pollution is calling for advanced remediation methods such as the Fenton process, yet actual procedures involve transition metals at acidic pH, and generate only one oxidant, the hydroxyl radical. Here we used a solution of magnesium ions, bicarbonate ions, and hydrogen peroxide at pH 7.4 to generate reactive oxygen species for degrading dimethyl sulfoxide and acetamidophenol, as models of water pollutants. The performance...
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New insights into structural, optical, electrical and thermoelectric behavior of Na0.5Bi0.5TiO3 single crystals
PublikacjaThe single crystals of lead-free Na0.5Bi0.5TiO3 were grown using the Czochralski method. The energy gaps determined from X-ray photoelectron spectroscopy (XPS) and optical measurements were approximately 2.92 eV. The current-voltage characteristics, depolarization current, dc (σdc) and ac (σac) electrical conductivity, and Seebeck coefficient of the crystals were investigated. The frequency/temperature-dependent electrical properties...
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Nitrogen Dioxide Monitoring by Means of Low-Cost Autono-mous Platform and Sensor Calibration via Machine Learning with Global Data Correlation Enhancement
PublikacjaAir quality significantly impacts the environment and human living conditions, with di-rect and indirect effects on the economy. Precise and prompt detection of air pollutants is crucial for mitigating risks and implementing strategies to control pollution within ac-ceptable thresholds. One of the common pollutants is nitrogen dioxide (NO2), high con-centration of which are detrimental to the human respiratory system and may lead...
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Nowy algorytm: alfa max i beta min
Publikacja. In this paper we present an improved version of alpha max plus beta min algorithm. We have proposed a new algorithm for approximating the alpha max and beta min coefficients. This leads to less complex algorithm formulas. Hardware architecture of alpha max plus beta min algorithm is also presented and analyzed.
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Numerical Simulation of Light to Heat Conversion by Plasmonic Nanoheaters
PublikacjaPlasmonic nanoparticles are widely recognized as photothermal conversion agents, i.e., nanotransducers or nanoheaters. Translation of these materials into practical applications requires quantitative analyses of their photothermal conversion efficiencies (η). However, the value of η obtained for different materials is dramatically influenced by the experimental setup and method of calculation. Here, we evaluate the most common...
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On a fully three-dimensional bending analysis of very thick smart composite cube-like bulk structures
PublikacjaHere we discuss the behaviour of very thick composite plates considering electro-magneto-elastic coupling of various types using fully three-dimensional (3D) kinematics. Published research highlights a lack of studies on the 3D mechanics of smart composite plates that integrate both higher-order (flexoelectric/flexomagnetic) and lower-order (piezoelectric/piezomagnetic) multiple physical fields (electro-magneto-elastic). The common...
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On nonlinear 3D electro-elastic numerical modeling of two-phase inhomogeneous FG piezocomposites reinforced with GNPs
PublikacjaThe novelty here comes from not only the perfect nonlinear three-dimensional (3D) electro-elasticity investigation but also the mixed material itself. The literature widely showed mechanical assessments on the piezoelectric structures; however, a lack of nonlinear three-dimensional elasticity studies has been witnessed on these kinds of smart materials. Therefore, a nonlinear 3D elasticity-piezoelectricity coupling is considered...
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Opposite effect of the Cu photodeposition on the ∙OH generation and diclofenac degradation depends on the exposed anatase facet
PublikacjaExposition of a specific crystal facets and modification with co-catalysts are often used in order to improve photocatalytic activity of a material. However, considering complexity of these interactions, it is still challenging to fully understand and predict activity of a specific system. Here, we report combination of the {0 0 1} and {1 0 1} crystal facets of anatase TiO2 with CuXO co-catalyst, applied for diclofenac degradation,...
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Optimization of Hydrogen Utilization and Process Efficiency in the Direct Reduction of Iron Oxide Pellets: A Comprehensive Analysis of Processing Parameters and Pellet Composition
PublikacjaThe article deals with the H2 consumption for different processing conditions and the composition of the processed pellets during the direct reduction process. The experiments are carried out at 600–1300 °C, with gas pressures of 1–5 bar, gas flow rates of 1–5 L min−1, and basicity indices of 0 to 2.15. Pellets with different compositions of TiO2, Al2O3, CaO, and SiO2 are analyzed. The gas flow rate is crucial, with 0–10 L min−1...
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Optimizing electrochemical removal of perfluorooctanoic acid in landfill leachate using ceramic carbon foam electrodes by coupling CFD simulation and reactor design
PublikacjaPerfluorooctanoic acid (PFOA), a persistent and bioaccumulative pollutant classified as a 'forever chemical', poses a global environmental and health risk due to its widespread use and resistance to degradation. The development of effective and efficient removal technologies is crucial to mitigate its long-term impacts. In this study, we present a novel approach to address the growing concern of emerging contaminants, particularly...
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Origin and Evolution of Malmquist Productivity Index: Review of the Literature
PublikacjaThe aim of this review was to present research work on the development of the Malmquist index (MI) in various aspects based on the Data Envelopment Analysis (DEA) method. The MI is one of the three methods of dynamic analysis and also the main one, as it is the most commonly used to measure productivity changes. However, over the years, from being a simple productivity index like the models within the DEA method, it has become...
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Pattern Reconfigurable Quasi Yagi Antenna with Origami Inspired Magic Spiral Cubes for Dynamic Indoor IoT Applications
PublikacjaThis paper presents a novel deployable antenna design with reconfigurable radiation patterns suitable for various indoor Internet of Things (IoT) applications. Inspired by origami, the antenna comprises a central monopole patch housed on a magic cube (MC-2) and two other modular units comprising stacks of magic cubes (MCs). In compact form, i.e., State-1, the antenna occupies a space of 50 mm, whereas in other states, it occupies...
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Phages as potential life-saving therapeutic option in the treatment of multidrug-resistant urinary tract infections
PublikacjaUrinary tract infections (UTIs) are among the most common bacterial infections worldwide and increasing antimicrobial resistance (AMR) challenges conventional antibiotic treatments. Phage therapy (PT) has emerged as a promising alternative due to its specificity, safety and efficacy against multidrug-resistant (MDR) pathogens causing infectious diseases. PT demonstrates significant potential in treating chronic and recurrent UTIs,...
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Physicochemical properties of La0.5Ba0.5Co1-xFexO3-δ (0≤x≤1) as positrode for proton ceramic electrochemical cells
PublikacjaWe report on essential properties of materials in the series La0.5Ba0.5Co1-xFexO3-δ as positrodes for proton ceramic electrochemical cells (PCECs). The unit cell and thermochemical expansion coefficient (TCEC) of these cubic perovskites decrease with iron content x, the TCEC of La0.5Ba0.5FeO3-δ going as low as 11·10-6 1/K. The materials behave as LaMO3 perovskites with small band gaps and Ba acting as acceptors compensated by electron...
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Polarization-Insensitive Nano-Metamaterial Sensor with Near-Infrared μ and ε Negative Properties for Early Cancer Detection via Exosome Analysis (70 THz to 3 PHz)
PublikacjaMetamaterials (MTMs) have emerged as essential components in high-performance electromagnetic devices, including sensors and absorbers. This study presents a polarization-insensitive nano-metamaterial sensor with exceptional angular stability and a wide operating range of 70 THz to 3 PHz. The sensor achieves an average absorption rate of 97% across this range, making it highly suitable for applications in biomedical engineering....
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Pomoc psychologiczno-pedagogiczna Dz.U.2023 po. 1798 opracowanie Marcin Niedopytalski
PublikacjaPomoc psychologiczno-pedagogiczna w świetle Rozporządzenia Dz.U. 2023 poz. 1798 – analiza i perspektywyAutor: Marcin Niedopytalski Pomoc psychologiczno-pedagogiczna jest jednym z kluczowych elementów wspierania uczniów w polskim systemie edukacji. Rozporządzenie Ministra Edukacji Narodowej z dnia 9 sierpnia 2017 r., w brzmieniu ustalonym jednolitym tekstem opublikowanym w Dzienniku...
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Power Transmission for Millimeter-Wave Indoor/Outdoor Wearable IoT Devices Using Grounded Coplanar Waveguide-Fed On-Body Antenna
PublikacjaThis paper presents for the first-time evaluation of wireless power transmission (WPT) for sustainable low-powered Internet of Things (IoT) devices in realistic indoor/outdoor scenarios using empirical propagation models at 28 GHz. The used empirical propagation models have shown that using an on-body 9×9 mm-wave rectenna array based on a proposed mm-wave antenna is able to charge IoT devices at a distance of 57 m for line-of-sight...
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Prace remontowe betonowych posadzek przemysłowych. Część II
PublikacjaPosadzki betonowe należą do elementów w obiektach budowlanych, których projektowanie wymaga doświadczenia inżynierskiego, wykonawstwo – zachowania reżimu technologicznego, natomiast podczas ich eksploatacji niezbędne jest prowadzenie remontów okresowych. Najczęściej wykorzystywane są jako przestrzeń robocza i komunikacyjna w obiektach przemysłowych. Niezależnie od miejsca wbudowania posadzki betonowe wymagają prowadzenia okresowych...
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Praktyczne wyzwania edukacji menedżerskiej. Zbiór case’ów dydaktycznych
PublikacjaNiniejsza książka stanowi zbiór materiałów dydaktycznych obejmujących dziewięć studiów przypadków (case studies). Mogą one stanowić wsparcie procesu dydaktycznego dla studentów kierunków związanych z zarządzaniem, bankowością lub finansami, w obszarze przedmiotów dotyczących procesów innowacyjnych, planowania produktu, rynków finansowych i zarządzania finansami. Istotną cechą prezentowanych materiałów jest to, że zarówno tematyka...
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Predicting a passenger ship's response during evasive maneuvers using Bayesian Learning
PublikacjaThe rapidly advancing automation of the maritime industry – for instance, through onboard Decision Support Systems (DSS) – can facilitate the introduction of advanced solutions supporting the process of collision avoidance at sea. Nevertheless, relevant solutions that aim to correctly predict a ship's behavior in irregular waves are only available to a limited extent by omitting the impact of wave stochastics on resulting evasive...
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Predicting creep failure life in adhesive-bonded single-lap joints using machine learning
PublikacjaAccurately predicting the creep failure life of adhesive joints, particularly single-lap adhesive joints (SLAJs), remains still a significant challenge, requiring substantial time and resources and the ability to predict the duration of creep failure in SLAJs is critical to ensuring structural integrity and reducing the failure of creep-prone adhesive joints. In this study, machine learning (ML) was used to identify the critical...
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Prestressing of concrete using iron-based shape memory alloy (Fe-SMA) short fibers: Experimental and numerical analysis
PublikacjaIron-based shape memory alloys (Fe-SMAs) exhibit unique shape recovery and memory effect behavior upon thermal activation, making them advantageous for structural applications such as prestressing. Introducing short Fe-SMA fibers into concrete structures allows for a uniform and localized distribution of prestressing forces within...
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Probiotic potential of Bacillus Isolates from Polish Bee Pollen and Bee Bread
PublikacjaThe main goal of this study was the evaluation of the probiotic potential of 10 Bacillus spp. strains isolated from 5 bee bread and 3 bee pollen samples. The antagonistic interaction with Staphylococcus aureus and Escherichia coli was a primary criterion for the preliminary selection of the isolates. Three out of ten strains—PY2.3 (isolated from pollen), BP20.15 and BB10.1 (both isolated from bee bread)—were found to be possible...
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Procedury reagowania na atak nożownika w obiektach handlowych firmy ochroniarskie
PublikacjaProcedury reagowania na atak nożownika w obiektach handlowych wytyczne dla firm ochroniarskich Ataki...
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Progress in devulcanization of waste tire rubber: Upcycling towards a circular economy
PublikacjaAs a complex composite material, tire rubber has always presented significant environmental and waste management concerns due to its non-biodegradability and accumulation in landfills. The devulcanization of tire rubber has emerged as a historical challenge in the field of sustainable rubber engineering since Goodyear invented cross-linking in 1839. This review provides a comprehensive analysis of waste tire recycling processes,...
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Projekt Integracji Służb i Partnerstwa dla Bezpieczeństwa Narodowego
PublikacjaW obliczu rosnących zagrożeń zarówno na arenie międzynarodowej, jak i wewnętrznej, współczesne...
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Pullout performance of innovative polymer vertical anchor plates in layered soils.
PublikacjaThis study explores the innovative use of polymer plate anchors in geotechnical engineering, addressing some of the limitations of traditional steel plate anchors. We investigated the performance of polymer vertical anchor plates in multi-layered cohesionless soils, focusing on the pullout capacity under various conditions. The research evaluated the effects of soil density, number of layers, and anchor embedment depth on the pullout...
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Quality Evaluation of Small Features Fabricated by Fused Filament Fabrication Method
PublikacjaThe purpose of this research was to evaluate the quality of small features fabricated by the fused filament fabrication (FFF) method. The samples containing circular and square cross-sections through holes with different dimensions, lengths, and orientation angles were printed from ABS (acrylonitrile butadiene styrene) filament. The adopted optical inspection method allowed us to conduct observations of individual features and...
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Rapid Global Antenna Design by Simplex Regressors and Multi-Resolution Simulations
PublikacjaOptimization methods have been rapidly entering the realm of antenna design over the last several years. Despite many available algorithms, practical optimization is demanding due to the high electromagnetic (EM) analysis cost necessary for dependable antenna assessment. This is particularly troublesome in global parameter tuning, routinely conducted using nature-inspired procedures. Unfortunately, these methods are known for their...
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RCS Enhancement of Millimeter Wave LTCC Van Atta Arrays With 3-D Printed Lenses for Chipless RFID Applications
PublikacjaIn this paper, we present a new method to enhance the radar- cross section (RCS) of Van Atta arrays which can be used in chipless radio-frequency identification tags operating in millimeter wave frequency bands. Small planar Low-Temperature Co-fired Ceramic (LTCC) Van Atta arrays, that are durable and can operate in harsh environments, are combined with 3-D printed lenses to increase or modify the shape of their RCS by up to 10...
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Recent Research Progress in the Abrasive Machining and Finishing of Additively Manufactured Metal Parts
PublikacjaAdditive manufacturing (AM) has revolutionized the production of complex geometrical parts with metals; however, the usual layer-by-layer deposition results in poor surface quality and unpredictable surface integrity. Abrasive machining and finishing techniques play vital roles in counteracting these challenges and qualifying AM parts for practical applications. This review aims to present recent research developments concerning...
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Restrained differential of a graph
PublikacjaGiven a graph $G=(V(G), E(G))$ and a vertex $v\in V(G)$, the {open neighbourhood} of $v$ is defined to be $N(v)=\{u\in V(G) :\, uv\in E(G)\}$. The {external neighbourhood} of a set $S\subseteq V(G)$ is defined as $S_e=\left(\cup_{v\in S}N(v)\right)\setminus S$, while the \emph{restrained external neighbourhood} of $S$ is defined as $S_r=\{v\in S_e : N(v)\cap S_e\neq \varnothing\}$. The restrained differential of a graph $G$ is...
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Rozporządzenia Ministra Edukacji Narodowej i Sportu z 31 grudnia 2002 r. w sprawie bezpieczeństwa i higieny w szkołach
PublikacjaBezpieczeństwo i higiena w środowisku szkolnym to jeden z kluczowych filarów funkcjonowania całego...
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Selection of the technology of repair works of concrete industrial floors in view of their degree of technical dysfunctions
PublikacjaConcrete floors are among the elements in construction facilities whose design requires engineering experience, workmanship requires the maintenance of a technological regime, while during their operation it is necessary to conduct periodic repairs. They are most often used as working and communication space in industrial facilities. Regardless of the place of installation, concrete...