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Search results for: SURFACE EFFECTIVE EMISSIVITY
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Experimental study of heat transfer intensification in surface cooling using microjets
PublicationW pracy przedstawiono badania eksperymentalne intensyfikacji wymiany ciepła podczas chłodzenia powierzchni mikrostrugami. Wyniki badań porównano z własnym modelem teoretycznym zjawiska.
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Identification and antimicrobial resistance of Enterococcus spp. isolated from surface water
PublicationIn the study species distributions and antimicrobial resistance profiles were determined among riverine Enterococcus spp. Susceptibility of the isolates was tested against: ampicillin, imipenem, teicoplanin, vancomycin, erythromycin, linezolid, fosfomycin, ciprofloxacin,levofloxacin, moxifloxacin, tetracycline, high levels of gentamicin and streptomycin. The enterococci were detected in all of the analyzed water samples, periodically...
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Surface characteristics of KOH-treated commercial carbons applied for CO2 adsorption
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Surface modification of polypropylene membrane by helium plasma treatment for membrane distillation
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Influence of polypropylene membrane surface porosity on the performance of membrane distillation process
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Composite and Surface Functionalization of Ultrafine-Grained Ti23Zr25Nb Alloy for Medical Applications
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Thermohydraulic and thermoeconomic performance of a marine heat exchanger on a naval surface ship
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Artificial Superhydrophobic and Antifungal Surface on Goose Down by Cold Plasma Treatment
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Design and Thermodynamic Analysis of an SOFC System for Naval Surface Ship Application
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Creation and characteristics of the (Mn-N-O) surface layers on aluminium alloy
PublicationPrzedstawiono koncepcję tworzenia warstw powierzchniowych zawierających mangan, azot i tlen. Warstwy wykazują twardość powierzchniową 358 HV0,01, zwiększoną odporność na korozję w kwasie siarkowym oraz odporność na zużycie ścierne w skojarzeniu z żeliwem szarym.
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Surface roughness of ceramic parts after lapping by abrasive-metallic tools
PublicationPrzedstawiono konstrukcję narzędzi ścierno-metalowych do obróbki na docierarce jednotarczowej. Wykonano badania docierania elementów z ceramiki tlenowej. Analizowano podstawowe parametry chropowatości powierzchni elementów z Al2O3 po obróbce narzędziami na bazie węglika boru.
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Photodegradation of Benzo-[a]-pyrene on the Surface of the Photocatalytic Paints and Analysis of the Degradation Products
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Surface-enhanced Raman scattering of water in aqueous dispersions of silver nanoparticles
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Metrological analysis of surface quality aspects in minimum quantity cooling lubrication
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Surface roughness analysis of hardened steel after high‐speed milling
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Parametric and nonparametric description of the surface topography in the dry and MQCL cutting conditions
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The application of response surface method to optimization of precision ball end milling
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Tribological and corrosion testing of surface engineered surgical grade CoCrMo alloy
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Turning process monitoring of internal combustion engine piston’s cylindrical surface
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Machined Surface Roughness Including Cutter Displacements in Milling of Hardened Teel
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Surface layers analysis of bronze artifacts by means of laser spectroscopy techniques
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Identification and antimicrobial susceptibility of fecal coliforms isolated from surface water
Publicationof 274 fecal coliforms isolated from two watercourses influencing the costal water quality of the gdańsk and the puck bay, 265 were identified as escherichia coli. the remained strains belonged to: acinetobacter spp. (n=1), enterobacter spp. (n=3), klebsiella spp. (n=4) and shigella spp. (n=1). the susceptibility of 222 e. coli was tested against 19 antimicrobial agents: aminoglycosides, carbapenems, cephalosporines, folate antagonists,...
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Dynamic Nanoimpedance Characterization of the Atomic Force Microscope Tip-Surface Contact
PublicationNanoimpedance measurements, using the dynamic impedance spectroscopy technique, were carried out during loading and unloading force of a probe on three kinds of materials of different resistivity. These materials were: gold, boron-doped diamond, and AISI 304 stainless steel. Changes of impedance spectra versus applied force were registered and differences in the tip-to-sample contact character on each material were revealed. To...
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Influence of parameters of deep grinding on nanohardness and surface roughness of C45 steel
PublicationPrzedstawiono wyniki badań wpływu głębokości współbieżnego szlifowania powierzchni płaskich na chropowatość i nanotwardość warstwy wierzchniej stali C45 o strukturze ferrytyczno-perlitycznej i średniej wielkości ziarna 20 μm. Dla wszystkich wartości głębokości szlifowania uzyskano znaczny wzrost twardości warstwy wierzchniej przedmiotu obrabianego.
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The use of response surface methodology for reliability estimation of composite engineering structures
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Laser Surface Alloying of Aluminium Alloys with Cu/Fe Metallic Powders
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The influence of laser alloying on the structure and mechanical properties of AlMg5Si2Mn surface layers
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Laser Surface Treatment of Sintered Stainless Steels for Wear Resistance Enhancement
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Towards a Framework of Operational-Risk Assessment for a Maritime Autonomous Surface Ship
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Normalized Method for Land Surface Temperature Monitoring on Coastal Reclaimed Areas
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Microstructure and wear of cast aluminium alloy with laser modified surface layer
Publicationprzedstawiono wyniki badań zużycia przez tarcie przetopionego laserowo stopuAlSi13MgCuNi w warunkach tribologicznych. Wykazano, iż zużycie i współczyn-nik tarcia są zależne od parametrów obróbki laserowej w warunkach kriogeni-cznych.
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Impact of surface skin temperature change on blood flow characteristics in palm
PublicationHeating a human palm during 3 minutes period causes changes in superficial skin temperature and leads to thermoregulation system response. The response time and level of flow characteristics change depend on the subject hand size and health of his vascular tree. A solution of Pennes bioheat propagation model was analyzed in order to see how much heat has to be transferred into the tissue to extort the observable reaction. The reflective...
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Directional surface plasmon-coupled emission - application for an immunoassay in whole blood
PublicationZaprezentowano badania fluorescencji znakowanej barwnikiem immunoglobuliny G, na powierzchni srebra.
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Measurements of surface roughness of heads of human hip joints in lubrication aspects
PublicationW niniejszej pracy przedstawiono wyniki pomiarów chropowatości chrząstki stawowej na powierzchniach głów kostnych stawu biodrowego człowieka. Pomiarów dokonano przy pomocy czujników mechanicznych i laserowych. Praca zawiera wyniki analizy statystycznej.
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Surface structure and propoerties of Ti6Al4V alloy laser melted at cryogenic conditions
PublicationPrzedstwiono wyniki badań mikroskopowych i mikrotwardości warstwy wierzchniej poddanej przetapianiu laserem w ciekłym aocie przy mocy laserz 3000-6000 W. Stwierdzono wzrost twardości i utworzenie zróżnicowanej warstwy wierzchniej.
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Representativity of ISO test track surface based on controlled pass-by measurements
PublicationWithin the Polish-Norwegian research project ELANORE, a limited Round Robin Test has been performed on four ISO tracks in Northern Europe. The basic objective of the project is to improve the EU directive on labelling of tyres for noise and rolling resistance. This directive is based on the measurement procedures proscribed in the UNECE Reg.117. Measurements on 3 ISO tracks were performed in 2021 and presented at InterNoise 2022....
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Deep learning approach on surface EEG based Brain Computer Interface
PublicationIn this work we analysed the application of con-volutional neural networks in motor imagery classification for the Brain Computer Interface (BCI) purposes. To increase the accuracy of classification we proposed the solution that combines the Common Spatial Pattern (CSP) with convolutional network (ConvNet). The electroencephalography (EEG) is one of the modalities we try to use for controlling the prosthetic arm. Therefor in this...
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Response Surface Methodology Application for Bacteriophage–Antibiotic Antibiofilm Activity Optimization
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Errors of Surface Topography Parameter Calculation in Grinded or Turned Details Analysis
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Roughness Evaluation of Burnished Topography with a Precise Definition of the S-L Surface
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Resolving Selected Problems in Surface Topography Analysis by Application of the Autocorrelation Function
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Reduction of Influence of the High-Frequency Noise on the Results of Surface Topography Measurements
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The effect of valley depth on areal form removal in surface topography measurements
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Surface and thermal properties of collagen/hyaluronic acid blends containing chitosan
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Wettability of plasma modified glass surface with bioglass layer in polysaccharide solution
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The wetting and interfacial properties of alumina surface treated with dipalmitoylphosphatidylcholine and lipase enzyme
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Application of DIC technique to concrete - study on objectivity of measured surface displacements
PublicationArtykuł omawia wyniki pomiarów szerokości lokalizacji odkształceń na powierzchni betonu podczas zginania belek. Wykonano obszerne studia nad obiektywnością pomierzonych przemieszczeń w betonie. Opracowano własna metodę do obliczeń szerokości lokalizacji.
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Surface activation by cyclic polarization in 1M HCl and its effects on the electrochemical response of CB-PLA 3D printed electrodes
Open Research DataThe dataset contains the electrochemical studies performed for surface activation of the CB-PLA 3D printed electrodes by electrolysis in 1M HCl solution. The studies were performed after treatment at different polarization ranges, as labeled in subfolder names. For each electrode the consecutive studies describe different samples, as labeled in subfolders:...
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AFM imaging of surface of modern soldering alloy
Open Research DataFollowing the announcement in 2006 of European Union directives aimed at limiting the use of lead in electronic products, there was an urgent need to use lead-free solders in the electronics industry. Due to production requirements, it is necessary to use solders with different melting points. To replace the low-melting eutectic Sn 37 wt. Pb, the most...
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Surface modifcation of PMMA polymer detected by XPS
Open Research DataIn order to obtain the experimental specimens, four PMMA/PC61BM samples with the following mass proportions were prepared: 10%, 20%, 30%, and 40%. In addition, as a reference, a PMMA sample without PC61BM was prepared as well. For the fabrication process, PC61BM 99.5% (Solenne BV), chloroform HPLC (Sigma Aldrich), and PMMA (commercially available...