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Rok 2025
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Interpreting colour symbolism in finance- Insights of financial expert
PublikacjaThe main objective of this study is to identify the perception of colour meanings with 'finance' among a group of financial experts. As the research method a diagnostic survey conducted using the Computer-Assisted Web Interviewing (CAWI). The analysed colours included the 11 basic colour terms in English (black, white, red, green, yellow, blue, brown, orange, pink, purple, grey) plus two others (silver and golden). After cleaning...
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Investigating the effect of orientation of polarization maintaining fiber Bragg grating sensor on its sensitivity to fundamental symmetric and antisymmetric guided wave modes
PublikacjaFiber Bragg grating (FBG) sensors offer several advantages such as small size, light weight, ability to be embedded and multiplexed and hence are seen as ideal sensors for structural health monitoring (SHM). They are commonly used for static and quasi-static strain and temperature measurements. Recent research has expanded their application to capturing ultrasonic guided wave (GW) responses. Advances in photonics and the growing...
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Investigating the Effects of Ground-Transmitted Vibrations from Vehicles on Buildings and Their Occupants, with an Idea for Applying Machine Learning
PublikacjaVibrations observed as a result of moving vehicles can potentially affect both buildings and the people inside them. The impacts of these vibrations are complex, affected by a number of parameters, like amplitude, frequency, and duration, as well as by the properties of the soil beneath. These factors together lead to various effects, from slight disruptions to significant structural damage. Occupants inside affected buildings...
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Investigating the problems of historical buildings in relation to earthquakes and researching some of their retrofitting methods
PublikacjaHistorical buildings are valuable cultural heritage sites that showcase diverse architectural typologies worldwide. However, these structures are highly susceptible to natural disasters, particularly earthquakes, which present unpredictable risks beyond human control. The primary objective of this research is to investigate the seismic behaviour of historical buildings and examine methods for their strengthening and preservation....
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Investigating the suitability of the matched fiber Bragg grating approach for guided wave based structural health monitoring
PublikacjaFiber Bragg grating (FBG) sensors are thought to be ideal sensors for structural health monitoring (SHM). Amplitude based techniques such as matched filters and the edge-filtering have been proposed to fulfill the high sampling rates necessary for guided waves (GW) sensing. The current research for the first time shows the inherent robustness the matched filter technique provides to the sensing system. The matched system is realized...
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Investigation of bioprintable modified agar-based hydrogels with antimicrobial properties
PublikacjaDue to the numerous dangers arising from excessive use of antibiotics in treatments, researchers have been searching for natural alternatives to conventional antibiotics. Despite the popularity of plant extracts, essential oils, and their derivatives in herbal medicine, their applications in novel therapies are rather limited. This paper tries to open a new possibility for infection treatments by assessing the suitability of antimicrobial...
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Investigation of Rutting and Aging Performance of Gap-Graded Rubberized Asphalt Mixtures
PublikacjaGap-graded asphalt mixtures like stone mastic asphalt (SMA), porous asphalt (PA), and asphalt mixtures for very thin layers (fr. Béton Bitumineuse Très Mince—BBTM) are usually made with the use of SBS (styrene-butadiene-styrene) polymer-modified bitumen. This is a binder that allows one to achieve the required parameters, but at the same time, its use increases the costs of making pavement layers. An alternative to polymermodified bitumen...
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Investigation of structural, thermal, and electrical properties of sodium-doped oxynitride glass-ceramics
PublikacjaThis study aimed to investigate the influence of Na2O addition on the structural, thermal, and electrical characteristics of oxynitride glass-ceramics within the Na–K–Mg–Ca–Al–Si–O–N system. Oxynitride glass-ceramic samples were prepared via spark plasma sintering (SPS) with sodium oxide doping levels ranging from 0 wt% to 12 wt%. FESEM analysis revealed changes in sample morphology with increasing sodium content, indicating the...
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Investigation of the phase transition to the Ruddlesden–Popper phase in La- or Nb-doped Sr2Fe1.5Mo0.5O6−δ double perovskites and the impact of lanthanum or niobium doping
PublikacjaSr2Fe1.5Mo0.5O6−δ (SFM) is a well-known representative of the double perovskite family, recognized for its remarkable properties, such as good conductivity in air and hydrogen. However, this material can undergo a phase transition under reductive atmospheres, which might be a challenge for its practical use. Herein, we focus on the impact of lanthanum or niobium dopants, which would not only stabilize the structure during the reduction...
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Investigation of the thrust generated by active isolated hydrofoils via wave-induced ship motion
PublikacjaWave Augmented Hydrofoil Technology (WAHT) aims to convert hydrofoil movement, induced by ship motion, into thrust force, and ship's resistance reduction in waves. Despite the growing interest in WAHT, a significant research gap remains in understanding the complex interactions between hydrofoil design parameters and wave-induced thrust generation. A hydrofoil attached to a ship serves dual roles; reducing the ship resistance in...
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Investigation on Swelling of Agar-Based Antibacterial Hydrogels for Hard-To-Heal Wound Dressings
PublikacjaDespite a wide range of available wound treatments, hard-to-heal wounds still pose a challenge. Hydrogels are often used as dressings for these wounds, because they sustain moisture in the wound environment, supporting the natural healing process. However, it is still not fully understood how physicochemical properties of hydrogel matrix affect the drug release process. Thus, detailed swelling kinetics examination coupled with...
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ISO test track influence on the EU tyre label noise value
PublikacjaIn 2009, the European Union (EU) introduced a directive governing the labelling of tyres, which underwent revision in 2020. This labelling system encompasses three key parameters related to tyre performance: wet grip (safety), rolling resistance (energy consumption), and external rolling noise (environmental impact). These label values serve as crucial information for customers seeking to purchase replacement tyres for their vehicles....
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Isolated High Step-Up Current-Fed DC-DC Converter With Low Input Current Ripple and Wide Full-Soft-Switching Capability
PublikacjaThis paper presents a current-fed isolated, high step-up dc-dc converter that has low voltage stress on the power switches. The suggested configuration achieves isolation between the input and output using a High-Frequency (HF) transformer. The leakage inductance of the transformer is harnessed to achieve Zero Voltage Switching (ZVS) during power switch turn-on and Zero Current Switching (ZCS) for power diodes across a broad range...
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Isolation Improvement in MIMO Antenna with a Simple Hybrid Technique of Orthogonal and Inverse Currents
PublikacjaThis paper presents a compact high-isolation multiple-input multiple-output (MIMO) antenna developed using a hybrid approach. The proposed technique combines induced orthogonal currents and self-inverse currents to enhance the antenna's performance. Orthogonal currents are generated by strategically etching open slots on the antenna patches, while self-inverse currents are introduced by integration of annular vias. By carefully...
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Jakiego systemu planowania (nie tylko przestrzeni) potrzebujemy?
PublikacjaRozwój widzimy zazwyczaj w pozytywnym kontekście. W miastach, miasteczkach i wsiach rozwój dla wielu z nas oznacza powstawanie nowych budynków – domów mieszkalnych, szkół, biur – i budowli – mostów, ulic, portów, wyciągów narciarskich czy farm wiatrowych. Oznacza także zagospodarowanie terenu, które nie wymaga budowania, ale przystosowuje go do potrzeb ludzi jak na przykład pola uprawne, łąki czy parki. Jednak „rozwój” ma także...
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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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Konstrukcja separatorów dla docierarek tarczowych
PublikacjaNa etapie przygotowania technologicznego operacji docierania maszynowego powierzchni płaskich, płasko-równoległych i walcowych zewnętrznych koniecznym jest opracowanie i wykonanie indywidualnych separatorów przedmiotowych, które są jednocześnie elementami układów wykonawczych docierarek tarczowych. W artykule przedstawiono wytyczne do projektowania tego typu oprzyrządowania, podano stosowane materiały na separatory oraz przykłady...
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Kontrola wymiarowa ziaren ściernych żużla pomiedziowego
PublikacjaW artykule przedstawiono ogólną charakterystykę ścierniwa żużla pomiedziowego. Omówiono podstawowe sposoby pomiarów wielkości ziaren ściernych, sposoby ich owalizacji oraz przedstawiono wyniki badań rozmiarów ziaren nieowalizowanego żużla pomiedziowego. W przeprowadzonych badaniach wykorzystano automatyczną analizę obrazu mikroskopowego. Wyniki pomiarów mogą być przydatne przy opracowywaniu technologii obróbki strumieniowo-ściernej.
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Laboratory testing and modelling of axle load sensor–asphalt mixture system
PublikacjaLoad sensors are core components of Weighin-Motion (WIM) systems. Since WIM enables continuous monitoring of heavy vehicle loads, it plays a key role in developing smart and digital pavements. A primary limitation of WIM system accuracy is the overly simplified treatment of stresses acting on the pressure sensor under vehicle loads, what causes loss of accuracy over time. This paper presents a laboratory test stand and a dedicated...
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Laser melting synthesis of Mg and Si3N4-doped soda-lime glass: structure and thermal analysis
PublikacjaThree series of soda-lime glasses doped with varying contents of Mg, Si3N4, or a combination of both were synthesizedusing laser melting in less than 3 min. The addition of these dopants resulted in notable changes in the structural and ther-mal properties of the glass. Both IR and Raman spectra indicated that the silicate network primarily consisted of Q3 units,with significant amounts of Q2 and Q4 units present in most samples....
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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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Learning from mistakes within organizations: An adaptive network-oriented model for a double bias perspective for safety and security through cyberspace
PublikacjaAlthough making mistakes is a crucial part of learning, it is still often being avoided in companies as it is considered as a shameful incident. This goes hand in hand with a mindset of a boss who dominantly believes that mistakes usually have negative consequences and therefore avoids them by only accepting simple tasks. Thus, there is no mechanism to learn from mistakes. Employees working for and being influenced by such a boss...
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Liquid crystal thermography supported by PIV and DII as modern and unique tools for technical and biomedical research and diagnosis – mini review
PublikacjaLiquid Crystals Thermography, Particle Image Velocimetry, Infrared Imaging Thermography and Digital Infrared Imaging have been successfully used in non-intrusive technical, industrial and biomedical studies and applications. These four tools (based on the desktop computers) have come together during the past two decades to produce a powerful advanced experimental technique as a judgment of quality of information that cannot be...
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Machine Learning Enhanced Optical Fiber Sensor For Detection Of Glucose Low Concentration In Samples Mimicking Tissue
PublikacjaThis study presents anoptical fiber sensor for detecting low glucose concentrations in a sample mimicking urine. Our research focused on designing a sensor capable of detecting 0.5% glucose concentrations in artificial urine. Algorithms were applied to analyze and accurately classify the data andidentify the principal components of the collected data. The Random Forest and XGBoostmodel achieved the highest...
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Machine learning tools match physician accuracy in multilingual text annotation
PublikacjaIn the medical field, text annotation involves categorizing clinical and biomedical texts with specific medical categories, enhancing the organization and interpretation of large volumes of unstructured data. This process is crucial for developing tools such as speech recognition systems, which help medical professionals reduce their paperwork. It addresses a significant cause of burnout reported by up to 60% of medical staff....
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Machine Learning-Driven Design of Wide-Angle Impedance Matching Structures for Wide-Angle Scanning Arrays
PublikacjaThis paper introduces a versatile and efficient design methodology for optimizing wide-angle impedance matching (WAIM) configurations, enhancing the scanning range of arbitrary antenna arrays. The three-layered structure is modeled using the generalized scattering matrices (GSMs) of the layers, incorporating sufficient excited modes for efficient input impedance calculation. To broaden the method’s applicability and meet manufacturing...
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Magnetic deep eutectic solvents for vortex-assisted liquid phase microextraction method for selective and green extraction of patulin from fruits and fruit juices
PublikacjaIn this study, a vortex assisted magnetic deep eutectic solvent based liquid phase microextraction (VA-MDES-LPME) technique was developed for the extraction of patulin prior to its determination by ultraviolet–visible spectrophotometry (UV–Vis). For this purpose, the use of a magnetic deep eutectic solvent (MDES) consisting of trihexyltetradecylphosphonium chloride, MnCl2, and octanoic acid (molar ratio 1:2:2) was tested to perform...
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Matrix elements for spin-orbit couplings in KRb
PublikacjaIn response to the need to investigate and create a reliable dataset of spin-orbit coupling matrix elements, we have extended our recent work in which we presented results for the potential energy curves and permanent and transition dipole moments in KRb. This paper presents 190 allowed spin-orbit couplings between 30 singlet and triplet +, , and electronic states of the KRb molecule. These results are crucial for accurately interpreting...
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Measurement Technique Comparison in the Entire Fracture Surface Topography Assessment for Additively Manufactured Materials
PublikacjaThis paper focuses on comparing the three microscopic measurement techniques, confocal, focus variation, and point for focus, for the evaluation of entire fracture surface topographies. The measurements were performed using a Sensofar S Neox 3D optical profilometer and the Mitutoyo QV Apex 302 vision measuring system. The test specimens required for measuring were printed through laser powder bed fusion (LPBF) technology using...
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Mechanical performance investigations of a post-tensioned inter-module connection in steel buildings
PublikacjaConnections in modular steel structures are critical for maintaining structural integrity and facilitating ease of installation. Traditional methods, such as on-site welding, require adherence to complex technical specifications. In contrast, post-tensioned steel bolts offer a viable alternative by potentially reducing on-site labor by up to 50 %, providing substantial strength and simplifying assembly. To accurately assess the...
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Mechanical properties of 3D-printed polylactide and short carbon fibres reinforced polylactide laminate subjected to environmental aging
PublikacjaIn this work the mechanical characterisation of fused filament fabricated non-reinforced polylactide and polylactide reinforced with short carbon fibre laminate after environmental aging was reported. In the manufacturing process, the symmetric laminate was used to determine the influence of environmental aging of 3D printed parts. The sterilisation agents and buffered saline solution environment were used as aging factors. Also,...
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Mechanistic elucidation of ultraviolet light and peracetic acid coupling-driven enhancements in short-chain fatty acid production from sludge: Reactive species-induced organic solubilization and microbial function regulation
PublikacjaThis study investigates the potential of enhancing short-chain fatty acid (SCFA) production during anaerobic fermentation of waste activated sludge through ultraviolet (UV) and peracetic acid (PAA) treatment. Under optimal conditions (UV irradiation time = 60 min and PAA dosage = 0.03 g/g VSS (volatile suspended solids), UV/PAA pretreatment enhanced sludge solubility, improved the biodegradability of organic matter, and facilitated...
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Mechanistic insights and atmospheric implications of the degradation reaction of 3-methoxy-1-propanol by reaction with hydroxyl radicals and identification of the end products in the presence of O2/NO
PublikacjaThe study investigated the degradation of 3-methoxy-1-propanol (3M1P) by OH using the M06-2X/6-311++G(d,p) level, with CCSD(T) single-point corrections. We focused on hydrogen atom abstraction from various alkyl groups within the molecule. The rate coefficient for 3M1P degradation was calculated from the sum of the rate coefficients corresponding to the removal of H-atoms from primary (-CH3), secondary (-CH2-), tertiary (-CH<),...
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Membrane-Assisted Dark Fermentation for Integrated Biohydrogen Production and Purification: A Comprehensive Review
PublikacjaAbstract The aim of this review is to provide a comprehensive analysis of the membrane-assisted dark fermentation process for bioH2 production and purification. This review initially analyses the need for and the current state of the art in H2 production through dark fermentation, evaluating the research landscape and the maturity level of the technology. Key factors influencing the dark fermentation process are then examined,...
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Metal extraction using deep eutectic solvents for metal recovery and environmental remediation – A review
PublikacjaMetal extraction has proven to be an effective solution for recovering metal resources and addressing heavy metal pollution. Deep eutectic solvents (DESs) are receiving great attention for metal recovery because of their high selectivity, environmentally friendly character, low melting point, good stability, and low corrosive properties. Particularly, natural deep eutectic solvents (NADESs) and hydrophobic DESs (HDES) have been...
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Metal-organic frameworks (MOFs)-based hybrid structures in developing glucose sensors
PublikacjaAbstract The increasing number of diabetic individuals globally has highlighted the demand for nanostructured materials and devices for glucose detection, showcasing and demonstrating their importance in improving public health. Significant progress has correspondingly been made in the chemical modification of porous nanoparticles and nano-scale materials. Metal-organic frameworks (MOFs), due to their highly porous structure and...
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Metamodel-based optimization of a high-tension cable barrier in crash tests with a large SUV
PublikacjaRoad safety barriers play an important role in improving road safety. Cable barriers are one of the types of road barriers. Cable barriers have favorable collision-related properties, especially in terms of the safety of the vehicle occupants. Despite the continuous development of road barrier systems, the current European standard EN1317, which is used to evaluate the performance of road barriers, does not take into account all...
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Method for prediction of the frost resistance ability of air‐entrained concrete based on the 3D air void characteristics by x‐ray micro‐CT
PublikacjaIn modern construction, one of the most important factors in the execution of contracts is time. Standard procedures for assessing the frost resistance or concrete are usually very time-consuming and can take up to 40 days. The current paper is experimentally and practically oriented. It presents an alternative testing method, based on air void network, that allows to assess the frost resistance of concrete within just a few days...
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Methods and Instruments | Scanning Electrochemical Microscopy
PublikacjaScanning electrochemical microscopy is based on the recording of electrolysis currents (Faradaic currents) at a microelectrode (ME) probe that is scanned over the sample. Different working modes are available to couple the electrolysis at the ME to reactions at the sample. The article explains their principles and provides examples of their application. The feedback mode, the sample-generation/tip collection mode, the redox-competition...
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MHD Casson flow across a stretched surface in a porous material: a numerical study
PublikacjaIn this study, we examine the nature of magnetohydrodynamic (MHD) Casson flow of fluid across a stretched surface in a porous material. It studies how the behaviour of Casson fluids is affected by a number of variables, including thermal radiation, chemical processes, Joule heating, and viscosity dissipation. The Keller box strategy, based on the finite difference method (FDM), is used to tackle the complex numerical problem. Graphical...
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Microstructure degradation and creep failure study of the dissimilar metal welded joint of heat-resistant steel and Inconel 617 alloy tested at 650 °C and applied stress range of 100–150 MPa
PublikacjaThe advanced ultra-supercritical (A-USC) power plant system is anticipated to become India's next-generation base-load power station. To adopt AUSC technology, dissimilar welded joints (DWJs) between heat-resistant steels and the nickel-based alloys, using the nickel-based fillers, will need to be implemented. However, failure of dissimilar welded joints from P92 steel base metal or the heat affected zone (HAZ) has been commonly...
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Międzynarodowa wystawa prac dzieci i młodzieży CONNECTIONS w Dehli w Indiach w ramach projektu Reconnecting With Your Culture (UNESCO) przy wsparciu programu Kształtowanie Przestrzeni (IARP)
PublikacjaPoland represented through the work of participants Poland - coordination of RWYC Poland. . Exhibition realised by Dehli Public Shool as part of an international project under the auspices of UNESCO - Reconnecting With Your Culture .
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Mining Frequent Sequences with Time Constraints from High-Frequency Data
PublikacjaInvesting in the stock market has always been an exciting topic for people. Many specialists have tried to develop tools to predict future stock prices in order to make high profits and avoid big losses. However, predicting prices based on the dynamic characteristics of stocks seems to be a non-trivial problem. In practice, the predictive models are not expected to provide the most accurate forecasts of stock prices, but to highlight...
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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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Mixed, quantum-classical description of electron density transfer in the collision process
PublikacjaIn this work, we investigate an ion-atom model describing the time-dependent evolution of electron density during the collision. For a S3+- H system, numerical simulations are based on classical trajectory calculations, and the electron density behaviour is described with the time-dependent Schrödinger equation. We apply the finite difference method to obtain quantitative insights into the charge transfer dynamics, providing detailed...
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Modeling 5G-NR-Based Positioning Accuracy in Urban Environments
PublikacjaModeling phenomena influencing radiocommunication networks, such as 5G-NR, is a key aspect during their development and further optimization. In this paper, one proposes a model, for three different scenario types in urban environments, for user localization accuracy. The model is supported by measurements of real 5G-NR downlink signals carried out in three different urban environments, corresponding to the typical user localization....
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Modeling of damage interaction due to uniaxial creep and subsequent LCF pure torsional loading
PublikacjaThis paper presents experimental results of creep-rupture, preliminary creep and low-cycle torsional fatigue of 2024 aluminum alloy. It analyzes the effect of pre-deformation on fatigue life under pure, cyclic torsion loading conditions. Two different pre-deformation levels were considered in the creep process at 200 ◦C and 300 ◦C. A significant influence of creep predeformation on the cyclic properties of the tested material was...
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Modeling of microstructure evolution during high-temperature oxidation of porous Fe-Cr steels
PublikacjaResearch on the high-temperature oxidation of metals and alloys is experimentally challenging due to the requirement for long-term corrosion exposure, and in the case of porous alloys, due to their complex internal microstructure. In this study, a corrosion model based on the morphological operations of dilation and erosion has been developed. This approach allows for a utilization of various raster representations of the microstructure...
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Modeling the effect of external load variations on single, serie and parallel connected microbial fuel cells
PublikacjaThis paper presents a microbial fuel cell (MFC) model designed to analyze the effect of the external load on MFC performance. The model takes into account the voltage and the chemical oxygen demand (COD) dependence on the external load. The value of the model parameters were calibrated by means of the voltage relaxation method tests using a controlled load current. Laboratory measurements and MATLAB Simulink model computations...
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Modelling and evaluation of net ecosystem productivity and its driving factors in Inner Mongolia
PublikacjaNet ecosystem productivity (NEP) is a critical indicator for characterizing the carbon cycle dynamics within terrestrial ecosystems. This study employs six different combinations of methods for calculating Net Primary Productivity (NPP) and heterotrophic soil respiration (Rh) to estimate monthly NEP values in Inner Mongolia from 2001 to 2021. The carbon flux observation data obtained through the eddy covariance method are used...