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Search results for: citizen science
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Evaluation of the effect of ruthenium oxide on the properties of composite electrodes used in cathodic protection
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Accelerated ageing of organic coating systems by thermal treatment
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Evaluation of cavitation erosion–corrosion degradation of mild steel by means of dynamic impedance spectroscopy in galvanostatic mode
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Effect of native air-formed oxidation on the corrosion behavior of AA 7075 aluminum alloys
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The application of impedance measurements for the determination of the probability of the course of corrosion processes
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Evaluation of corrosion inhibition of brass-118 in artificial seawater by benzotriazole using Dynamic EIS
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Corrosion rate measurements by non-linear electrochemical impedance spectroscopy
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Investigation of pitting corrosion of stainless steel by means of acoustic emission and potentiodynamic methods
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Effective perturbation signal and measurement of corrosion rate. Response to the commentary of Diard and co-workers concerning the paper in Corros. Sci. 37, 913 (1995)
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Report on anisakid nematodes in polar regions – Preliminary results
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Numerical modelling of thermodynamics and dynamics of sea ice in the Baltic Sea
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Changes in the speed of ants as a result of aggressive interactions
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Assessment of risks introduced to safety critical software by agile practices - a software engineer's perspective
PublicationIn this article we investigate the problem of applying agile practices into safety-critical projects.The goal of our research is to investigate potential benefits from introducing agile practicesinto safety-critical environment and to present a solution providing for balancing agileapproach with more disciplined assurance techniques, bringing the best of the two worlds together.In the article we present the supporting ideas such...
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Road safety performance indicators and their explanatory value: A critical view based on the experience of Central European countries
PublicationCounts of road crashes and their victims represent essential information for road safety practitioners allowing them to analyse their spatial and temporal aspects. However, they cannot provide details on the factors causing road crashes. As a result, various road safety performance indicators (RSPIs) were introduced, making it possible to gather information on the effectiveness of interventions on road safety in given areas. However,...
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Improvement of electrochemical action of zinc-rich paints by addition of nanoparticulate zinc
PublicationThe influence of nanosized particles on electrochemical action of standard zinc-rich paints by means of SEM as well as potential and impedance measurements has been investigated. The motivation for doing this was to obtain additional electrical connection between the spherical microparticles themselves and zinc particles and steel substrate. Overall zinc content was at the level of 92% by weight. Samples with different concentration...
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Electrical mapping of AISI 304 stainless steel subjected to intergranular corrosion performed by means of AFM-LIS in the contact mode
PublicationThe paper presents results of the AFM-based approach to local impedance spectroscopy (LIS) measurements performed in a 20 20 lm grid within an austenite grain–grain boundary region for sensitized AISI 304 stainless steel (SS). Maps of electrical parameters obtained on the basis of localized impedance spectra were demonstrated, presenting their changes and correlation with the sample topography. Performed research revealed significant...
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Studies of the mechanism of metal metal dusting of 10CrMo9-10 steel after 10 years of operation in trhe semi-regenerative catalytic reformer
PublicationThe study showed that metal dusting mechanism of 10CrMo9-10 steel operated in industrial environment differs from models developed in laboratories. Significant differences lie in the fact that the models developed in laboratories only assume the formation of metastable carbide M3C, while studies have shown that the formation of M3C carbides is associated with the transformation of primary carbides and in the next stage is preceded...
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Evaluation of corrosion inhibition of brass -118 in artificial seawater by benzotriazole using dynamic EIS
PublicationPrzedstawiono wyniki korozji mosiądzu 118 w sztucznej wodzie morskiej oraz efekt inhibicyjny benzotriazolu (BTA) przy użyciu nowoczesnej dynamicznej elektrochemicznej spektroskopii impedancyjnej (DEIS). metoda ta pozwala śledzić dynamikę procesu korozyjnego i efektu inhibicyjnego poprzez ocenę parametrów elektrycznych obwodu zastępczego. Chwilowe widma impedancyjne rejestrowane przez 10h wykazują iż ekspozycja przez okres kilku...
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Asynchronous distributed state estimation based on covariance intersection
PublicationW artykule rozważa się problem estymacji stanu w rozproszonym systemach wieloczujnikowym. W systemach takich stan obserwowanego obiektu jest estymowany przez pewien zbiór estymatorów lokalnych. Każdy estymator lokalny wykonuje fuzję danych pochodzących ze skojarzonego z nim czujnika lub czujników z danymi pochodzącymi z innych lokalnych estymatorów. W wyniku operacji fuzji oraz dodatkowo operacji filtracji korzystając np. z filtru...
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Monitoring objects over networks
PublicationW pracy rozważa się uniwersalny pomysł na monitorowanie obiektów przemysłowych, firmowych i prywatnych, z inteligentnymi budynkami włšcznie. Rozmaite zadania diagnostyczne, sterownicze i zarzšdcze łatwo mogš być zintegrowane w taki projekt. Współczesne narzędzia technologii informacyjnych (IT) mogš być spożytkowane w celu stworzenia kompletnych i efektywnych systemów realizujšcych takie zadania. Oparłszy się na wysokich technologiach...
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An effective Hamiltonian for sulfur adsorption at Au(100) surface
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Establishment of hairy root cultures of Ammi majus
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Tribological characterisation of plant oil derived fatty acid esters of higher polyols: Comparative experimental study
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Polymer‐silica additive as a modifier of tribological properties of ecological grease, improvement of fatigue resistance
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Molecular simulation study of cooperativity in hydrophobic association
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Service restoration in survivable networks under attacks
PublicationW artykule dokonano porównania jakości odtwarzania usług w przeżywalnych sieciach optycznych, uszkadzanych w wyniku awarii fizycznych oraz na skutek ataków. Przeanalizowano wariant ochrony ścieżek ('path protection') poprzez wyznaczane zawczasu ścieżki zabezpieczające. Z uwagi na NP-zupełność problemu optymalizacji doboru tras w przeżywalnych sieciach optycznych, zaproponowano efektywny algorytm heurystyczny SCNDP. Autorski symulator...
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QoS provisioning in a single-cell ad hoc WLAN via queuing and stochastic games
PublicationPokazano, że stosowanie agresywnych strategii dostępu do medium transmisyjnego może stanowić dla stacji sieci gwarancję równej szansy uzyskania pożądanej przepływności oraz zachowania jej na cały czas transferu danych. Przeprowadzono analizę gier typu stochastycznego pod kątem istnienia równowagi strategicznej przy założeniu probabilistycznych strategii dostępu.
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Effect of ZrO2 on corrosion behaviour of chromium coatings
PublicationW celu zbadania wpływu cząstek ZrO2 na zachowania korozyjne powłok chromowych pokryto stal chromem z elektrolitów Cr(VI) z dodatkiem i bez ZrO2. Właściwości korozyjne osadzonych warstw zbadano w elektrolicie 0,01 mol L(-1) kwasu siarkowego plus 0,5 mol L(-1) siarczanu sodu za pomocą metody spektroskopii impedancyjnej i woltamperometrii cyklicznej. Zaproponowano elektryczny obwód zastępczy dla procesu korozji i wyznaczono pęd korozji....
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Method of sacrificial anode dual transistor-driving in stray current field
PublicationIn order to control a magnesium anode in a stray current interference field, a dual transistor driving system has been proposed. It consisted of a combination of PNP and NPN transistors. Dual transistor driven system and direct anode to cathode connection were electrochemically tested in 3% NaCl solution. The dual transistor driven system increased the anode efficiency and reduced hydrogen evolution and the risk of embrittlement....
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Proteomic analysis of stipe explants reveals differentially expressed proteins involved in early direct somatic embryogenesis of the tree fern Cyathea delgadii Sternb
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Kallikrein 13 serves as a priming protease during infection by the human coronavirus HKU1
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Fast, solvent-free synthesis of ferrocene-containing organic cages via dynamic covalent chemistry in the solid state
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Endothelial function and baroreflex sensitivity according to the oral glucose tolerance test in patients with coronary artery disease and normal fasting glucose levels
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Effect of foliar fertilization using micronutrient fertilizers on the content of nitrates(V), nitrites(III) in potato tubers
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Physicochemical and rheological properties of lentil milk/inulin blend—A feta cheese analogue
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Phenotypic yield and its structure variability of moderately late and late potato cultivars
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Influence of cultivation technology on the color of raw potato tubers
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Wieloletnie użytkowanie ślazowca pensylwańskiego – wartościowego źródła biomasy
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Using adsorption chillers for utilising waste heat from power plants
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Effect of biopreparates on the dry matter, starching and vitamin C in potato tubers
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Farmers’ knowledge of sustainable potato cultivation techniques in Poland
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Proteome changes upon in ovo stimulation with Lactobacillus synbiotic in chicken liver
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Effect of nano-boron spraying on the concentration of some nutrients in leaves and dry matter of two Vicia faba L. (Partim) cultivars
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The effect of foliar fertilization on darkening of tuber flesh of selected potato cultivars
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Impact of ultrasounds on physicochemical characteristics of potato tubers
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Foliar fertilization in shaping the potato yield in the conditions of south-eastern Poland
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The influence of methods of potato weed control and meteorological conditions on shaping the tuber yield structure
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Post mortem changes in M. iliotibialis lateralis muscle protein profile of emu (Dromaius novaehollandiae)
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Prospects for using pesticides in agriculture
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An adaptive neuro-fuzzy model of a re-heat two-stage adsorption chiller
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