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Review on friction stir welding of dissimilar magnesium and aluminum alloys: Scientometric analysis and strategies for achieving high-quality joints
PublikacjaMagnesium and aluminum alloys continually attract interest as lightweight structural materials for transport applications. However, joining these dissimilar alloys is very challenging. The main obstacle that hinders progress in dissimilar Mg-Al joining is the formation of brittle intermetallic compounds (IMCs). As a solid-state joining technique, FSW is an excellent candidate to attenuate the deleterious IMC effects in dissimilar...
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Friction Stir Welding of Aluminum in the Aerospace Industry: The Current Progress and State-of-the-Art Review
PublikacjaThe use of the friction stir welding (FSW) process as a relatively new solid-state welding technology in the aerospace industry has pushed forward several developments in different related aspects of this strategic industry. In terms of the FSW process itself, due to the geometric limitations involved in the conventional FSW process, many variants have been required over time to suit the different types of geometries and structures,...
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User Mobility’s Influence on System Loss in Off-Body BAN Scenarios
PublikacjaIn this paper, a measurement campaign for off-body communications in an indoor environment is investigated for a set of on-body antennas. The channel impulse response was measured with the user approaching and departing from an off-body fixed antenna using two user dynamics: standing at fixed positions and walking. The processing of the measurement data allowed to evaluate system loss statistics. Different antenna configurations...
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Mobility’s Influence on System Loss in Off-Body BAN Scenarios
PublikacjaIn this paper, a measurement campaign for off body communications in an indoor environment is investigated for a set of on-body antennas. The channel impulse response was measured with the user approaching and departing from an off-body fixed antenna using two user dynamics, standing at fixed positions and walking. The processing of the measurement data allowed to evaluate system loss statistics. Different antenna configurations...
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ANALIZA ZANIKÓW SZYBKOZMIENNYCH W RADIOWYCH SIECIACH BAN PRACUJĄCYCH W REWERBERACYJNYM ŚRODOWISKU PROPAGACYJNYM
PublikacjaW referacie przedstawiono badania i analizę zaników szybkozmiennych występujących w sieciach BAN, pracujących na częstotliwości 2,45 GHz w środowisku zamkniętym o kształcie cylindrycznym z metalowymi ścianami. Badania przeprowadzono przy użyciu symulatora zweryfikowanego pomiarowo. Uzyskane wyniki wskazują, że w analizowanym środowisku propagacyjnym zaniki szybkozmienne można modelować przy pomocy rozkładu Rayleigha, nawet w przypadku...
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Assessment of User Mobility’s Influence on System Loss in Several Body-to-Body Scenarios
PublikacjaIn this paper, Body-to-Body communications in indoor and outdoor environments for different on-body antenna configurations and different mobility scenarios were studied, based on system loss measurements at 2.45 GHz. The main objective is to properly characterise the influence of the Transmitter-Receiver configuration on system loss and fast fading behaviour, the latter being modelled by the Rice Distribution. Globally, it is observed...
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MODELOWANIE ZANIKÓW W ŚRODOWISKU MORSKIEGO TERMINALU KONTENEROWEGO
PublikacjaW referacie przedstawiono analizę zaników wolnozmiennych i szybkozmiennych w środowisku terminalu kontenerowego. Zaproponowano model analityczny parametrów rozkładów gęstości prawdopodobieństwa dla zaników, który umożliwia estymowanie wartości tych parametrów dla różnych uwarunkowań systemowych i środowiskowych. W ogólności dla zaników wolnozmiennych najlepiej dopasowany jest rozkład logarytmicznonormalny, natomiast dla zaników...
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Application ofMsplitestimation to determine control points displacements in networks with unstable reference system
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Utilization of standards generated in the process of thermal decomposition chemically modified silica gel for a single point calibration of a GC/FID system
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Correlation between physicochemical properties of doxorubicin-loaded silica/polydimethylsiloxane xerogel and in vitro release of drug
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Hydrological Excitations of Polar Motion Derived from Different Variables of Fgoals − g2 Climate Model
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Compression and Fatigue Testing of High-Strength Thin Metal Sheets by Using an Anti-Buckling Device
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SU‐FF‐T‐209: New Polymer Gel Dosimeter with High Refractive Index for Artifact‐Free Optical CT Scanning
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Fatigue Damage Development in 14MoV6-3 Steel for Power Plant Pipes Monitored by Digital Image Correlation
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Prognostic value of stage IV neuroblastoma metastatic immunophenotype in the bone marrow: preliminary report
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Wilms’ tumour-the reality of tissue analysis in the Polish Paediatric Solid Tumours Group
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The predicting role of substance P in the neoplastic transformation of the hypoplastic bone marrow
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Analysis of structure and properties of DVB–GMA based porous polymers
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Kształtowanie cykli w zarządzaniu kapitałem obrotowym
PublikacjaW pracy przedstawiono kapitał obrotowy brutto i netto. Wskazano na konieczność zarządzania nim w kontekście zapewnienia płynności przedsiębiorstwu i kształtowania efektywności jego funkcjonowania.
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Fundusze strukturalne jako źródło finansowania mikroprzedsiębiorstw
PublikacjaW pracy dokonano przeglądu funduszy strukturalnych w kontekście ich wykorzystania.Wskazano finansowane programy operacyjne oraz działania z nimi związane.
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Fundusze pomocowe - przykłady aplikacji ośrodki unijne
PublikacjaW pracy określono możliwości wykorzystania funduszy pomocowych w Polsce. Poprzez analizę obowiązujące procedur związanych z ich pozyskaniem, określono czynniki hamujące wykorzystanie przedstawianych funduszy.
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Metal Oxides and Low Temperature SWCNT Synthesis via Laser Evaporation
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The Effects of Acute and Chronic Haloperidol Treatment on Dopamine Release Mediated by the Medial Forebrain Bundle in the Striatum and Nucleus Accumbens
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Microstructure and residual stresses in surface coatings with PTFE reservoirs
PublikacjaThe paper presents the results of experimental study into the microstructure and changes in residual stresses resulting from sliding and rolling/sliding loaded interaction between metallic surface coatings with embedded PTFE reservoirs and various counter faces. It was found that before testing surface coatings had compressive residual stresses. Molybdenum coating with all types of PTFE reservoirs displayed, as a result of testing,...
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Membrane distillation of NaCl solution containing natural organic matter
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Recovery of hydrochloric acid from metal pickling solutions by membrane distillation
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Long-term performance of membrane distillation process
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Influence of polypropylene membrane surface porosity on the performance of membrane distillation process
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Purification of oily wastewater by hybrid UF/MD
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Regulation of replication of λ phage and λ plasmid DNAs at low temperature
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New fast photomultipliers with a screening grid at the anode
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Accuracy Analysis of Measurements in Electrochemical Biosensing
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Glioma cells showing IDH1 mutation cannot be propagated in standard cell culture conditions
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Improved adsorption performance of activated carbon covalently functionalised with sulphur-containing ligands in the removal of cadmium from aqueous solutions
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Optimization and validation of a multiplex assay for microsatellite loci analysis in the field cricket, Gryllus campestris (Orthoptera: Gryllidae)
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Effect of psoriasis activity on epidermal growth factor (EGF) and the concentration of soluble EGF receptor in serum and plaque scales
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Sleep Knowledge, Beliefs and Practices in Youth Sports Coaches and Science Support Staff
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Properties of retrograded and acetylated starch produced via starch extrusion or starch hydrolysis with pullulanase
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Activity of TiO2 Photocatalyst Modified with H2WO4 for Degradation of Organic Compounds in Water
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The influence of extracts from Rubus caesius leaves on human colon carcinoma cells cultured in vitro
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O 1s excitation and ionization processes in the CO2molecule studied via detection of low-energy fluorescence emission
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Studies of scintillation light nonproportionality of ZnSe(Te), CsI(Tl) and YAP(Ce) crystals using heavy ions
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Effect of the 5-HTTLPR polymorphism on affective temperament, depression and body mass index in obesity
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Organic filed effect transistor with zinc phthalocyanine.
PublikacjaW pracy przedstawiono wyniki badań doświadczalnych organicznego tranzystora polowego z warstwą ftalocyjaniny cynku. Jako podłoże zastosowano wysoko domieszkowane wafle krzemu pokryte warstwą tlenku krzemu (IV) o grubości 100 nm, na którą techniką fotolitograficzną była naniesiona struktura elektrod (tzw. geometria dolnych kontaktów). Złote elektrody źródła i drenu tworzyły kanał o długości 5 m (jest to odległość między elektrodą...
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Design and numerical testing of 5-box gfrp shell footbridge
PublikacjaThe paper formulates new design conditions for composite footbridges, taking into account the material and structural specificity of these objects, i.e. the strength condition, the serviceability condition and the frequency condition. A GFRP composite footbridge labelled with CFB2 code has been designed, with the original superstructure in the form of an opened-closed 5-box girder. The foot and cycle track bridge is simply supported,...
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Finite-element analysis of a base-isolated multi-storey steel building under seismic motions
PublikacjaNumerical simulation of the seismic behaviour of a multi-storey steel building, both fixed-base and base-isolated, under the 1940 El Centro earthquake was performed in this paper. The analyzed 4-storey building was decoupled from the shaking ground with the Polymeric Bearings, which can be considered a proposal of a new seismic isolation system. It consists of rectangular-shaped blocks made of a specially prepared flexible polymeric...
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Service time distribution influence on end-to-end call setup delay calculation in networks with Session Initiation Protocol
PublikacjaThe most important GoS parameter for networks with SIP protocol is end-to-end call setup delay. So far there were no coherent models allowing calculation of these parameters for networks with SIP protocol. Few models were developed but they are insufficient. In the paper we propose model which allows end-to-end call setup delay calculation for networks with SIP protocol. The model is using chain of M/G/1/K models and is applicable...
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Position Estimation in Mixed Indoor-Outdoor Environment Using Signals of Opportunity and Deep Learning Approach
PublikacjaTo improve the user's localization estimation in indoor and outdoor environment a novel radiolocalization system using deep learning dedicated to work both in indoor and outdoor environment is proposed. It is based on the radio signatures using radio signals of opportunity from LTE an WiFi networks. The measurements of channel state estimators from LTE network and from WiFi network are taken by using the developed application....
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Multiparameter sensitivity analysis of a GFRP composite footbridge of a sandwich structure and U-shaped cross-section
PublikacjaThe paper deals with multiparameter sensitivity analysis of a composite footbridge. A shell‐like structure is 14.5 m long shows U‐shaped cross‐section and inner service dimensions 1.3 × 2.5 m. Glass fiber reinforced polymer GFRP laminate constitutes faces of a sandwich structure while PET foam received from recycled bottle builts a core. The structure was divided into 285 independent areas where the thickness of laminates and stiffness...
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Actual field corrosion rate of offshore structures in the Baltic Sea along depth profile from water surface to sea bed
PublikacjaThe paper presents the results of field electrochemical investigations on the corrosion rate of carbon steel in seawater of the Baltic Sea at the location of the Baltic Beta production rig. The measurements were conducted throughout the year in seawater at different depths from the sea surface to the sea bed (about 75 m). The results revealed corrosion aggressiveness of the seawater along the entire depth profile. There was...