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Wyniki wyszukiwania dla: physico-chemical parameters
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American Chemical Society
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Effects of Micro-Arc Oxidation Process Parameters on Characteristics of Calcium-Phosphate Containing Oxide Layers on the Selective Laser Melted Ti13Zr13Nb Alloy
PublikacjaTitania-based films on selective laser melted Ti13Zr13Nb have been formed by micro-arc oxidation (MAO) at different process parameters (voltage, current, processing time) in order to evaluate the impact of MAO process parameters in calcium and phosphate (Ca + P) containing electrolyte on surface characteristic, early-stage bioactivity, nanomechanical properties, and adhesion between the oxide coatings and substrate. The surface...
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The influence of amorphous macrodiol, diisocyanate type and l-ascorbic acid modifier on chemical structure, morphology and degradation behavior of polyurethanes for tissue scaffolds fabrication
PublikacjaStudies described in this work were related to the bulk synthesis and characterization of polyurethanes (PURs) obtained with the use of cyclic 4,4′-methylene bis(cyclohexyl isocyanate) (HMDI) or linear 1,6-hexamethylene diisocyanate (HDI), amorphous α,ω-dihydroxy(ethylene-butylene adipate) macrodiol (PEBA), 1,4-butandiol (BDO) chain extender and dibutyltin dilaurate (DBTDL) catalyst. Obtained PURs were modified with l-ascorbic...
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From ashes to porous hierarchical nanocarbon electrode: Upcycling secondary waste materials through self-catalytic chemical vapour deposition
PublikacjaMetal and metal oxide particles are abundant in various ash-based wastes. Utilizing these as catalyst sources for the fabrication of carbon nanomaterials could present a valuable approach to reduce our reliance on non-renewable and costly catalyst sources, thereby facilitating large-scale nanomaterial production. In this context, secondary waste materials (SWMs) are by-products resulting from the (complete or partial) combustion...
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Chemical-Assisted Mechanical Lapping of Thin Boron-Doped Diamond Films: A Fast Route Toward High Electrochemical Performance for Sensing Devices
PublikacjaThere is an urgent need for an effective and economically viable increase in electrochemical performance of boron-doped diamond (BDD) electrodes that are used in sensing and electrocatalytic applications. Specifically, one must take into consideration the electrode heterogeneity due to nonhomogenous boron-dopant distribution and the removal of sp2 carbon impurities saturating the electrode, without interference in material integrity....
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The Impact of Long-Time Chemical Bonds in Mineral-Cement-Emulsion Mixtures on Stiffness Modulus
PublikacjaDeep cold in-place recycling is the most popular method of reuse of existing old and deteriorated asphalt layers of road pavements. In Poland, in most cases, the Mineral-Cement-Emulsion mixture technology is used, but there are also applications combining foamed bitumen and cement. Mineral-Cement-Emulsion mixtures contain two different binding agents – cement as well as asphalt from the asphalt emulsion. Asphalt creates asphalt...
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Effect of chemical structure on complexation efficiency of aromatic drugs with cyclodextrins: The example of dibenzazepine derivatives
PublikacjaIt is widely believed that the hydrophobic effect governs the binding of guest molecules to cyclodextrins (CDs). However, it is also known that high hydrophobicity of guest molecules does not always translate to the formation of stable inclusion complexes with CDs. Indeed, a plethora of other factors can play a role in the efficiency of guest–CD interactions, rendering structure-based prediction of the complexation efficiency with...
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High resolution model for assessment of contamination by chemical warfare agents dumped in the Baltic Sea
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Identification of chemical pollution problems and causes in the Baltic See in relation to socio-economic drivers
PublikacjaOpisano możliwość wykorzystania nowego narzędzia do zintegrowanej oceny stanu środowiska w akwenie Morza Bałtyckiego. Takie możliwości stwarza narzędzie znane jako DPSIR czyli Drivers (sfery działalności człowieka będące źródłem potencjalnych zznieczyszczeń)-Pressures (ksenobiotyki i specyficzne czynniki szkodliwe emitowane do środowiska)-Stata (stann środowiska)- Impact (efekty niekorzystego oddziaływania na część ożywioną i nieożywioną...
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Offal Chemical Composition from Veal, Beef, and Lamb Maintained in Organic Production Systems
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Estimation of the environmental risk posed by landfills using chemical, microbiological and ecotoxicological testing of leachates
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Soil chemical properties affect the reaction of forest soil bacteria to drought and rewetting stress
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Chemical composition of edible aerial parts of meadow bistort (Persicaria bistorta (L.) Samp.)
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Matcha Green Tea: Chemical Composition, Phenolic Acids, Caffeine and Fatty Acid Profile
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Characteristics of microstructural phenomena occurring on the surface of protective gloves by the action of mechanical and chemical factors
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Chemical Characteristics and Sensory Evaluation of Raw and Roasted Buckwheat Groats Fermented by Rhizopus Oligosporus
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Estimation of the expected effects of different surface modifications on mechanical, chemical and biological behaviour of endoprostheses
PublikacjaPrzedstawiono koncepcję nowej endoprotezy o szczególnie wysokiej odporności na zużycie i pękanie. Koncepcja zakada wytwarzanie wieloetapową obróbkę powierzchniową kompozytu metalowo-ceramicznego.
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Decision Support System to Improve the Effectiveness of Chemical Control Against Cutworms in Sugar Beet
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Changes in Chemical Composition and Accumulation of Cryoprotectants as the Adaptation of Anholocyclic Aphid Cinara tujafilina to Overwintering
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Effect of chemical composition on corrosion and wear behaviour of the composite Ni-Fe-Al2O3 coatings.
PublikacjaPrzedstawiono wyniki badań powłoki kompozytowej otrzymanej przez osadzanie katodowe galwaniczne w roztworze zawierającym sole niklu, żelaza oraz cząstki ceramiki Al2O3 o różnej wielkości i stężeniu. Wykazano, że charakterystyka ceramiki posiada wpływ na szybkość korozji i zużycia ściernego. W szczególności, zawartość ceramiki wpływa dodatnio na odporność na zużycie ścierne, ale nieco obniża odporność na zużycie korozyjne.
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Chemical and Mechanical Pressure-Induced Photoluminescence Tuning via Structural Evolution and Hydrostatic Pressure
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BelBuk System—Smart Logistics for Sustainable City Development in Terms of the Deficit of a Chemical Fertilizers
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Chemical Composition and Antioxidant Properties of Powders Obtained from Different Plum Juice Formulations
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Effect of chemical structure and deposition method on optical properties of polyazomethines with alkyloxy side groups
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Chemical recycling of plastic waste as a mean to implement the circular economy model in the European Union
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Chemical modification of natural immunomodulators tuftsin and muramyl dipeptide significantly influence their biological activity
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Water and chemical input via hydrometeors in central european mountains with Szrenica Mt. as an example
PublikacjaZanieczyszczenia obecne w powietrzu atmosferycznym są transportowane do powierzchni ziemi przy pomocy osadów atmosferycznych. Celem pracy było przedstawienie chemizmu różnych typów osadów atmosferycznych. Badania prowadzono na szczycie góry Szrenicy. Badania prowadzono od grudnia 2008 do lutego 2010. Przedstawiono wyniki analiz przeprowadzonych dla różnego typu osadów występujących na tym terenie.
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On the Formation of Single-Walled Carbon Nanotubes in Pulsed-Laser-Assisted Chemical Vapor Deposition
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Effect of glycols used as glycolysis agents on chemical structure and thermal stability of produced glycolysates
PublikacjaZaprezentowano warunki glikolizy poliuretanowych odpadów piankowych, przy użyciu różnych glikoli oraz wyniki badań budowy chemicznej glikolizatów oraz ich właściwości termicznych.
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Quality Assurance and Quality Control in the Analytical Chemical Laboratory. A practical approach : Second edition
PublikacjaThe second edition defines the tools used in QA/QC, especially the application of statistical tools during analytical data treatment. Clearly written and logically organized, it takes a generic approach applicable to any field of analysis. The authors begin with the theory behind quality control systems, then detail validation parameter measurements, the use of statistical tests, counting the margin of error, uncertainty estimation,...
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Storm petrels as indicators of pelagic seabird exposure to chemical elements in the Antarctic marine ecosystem
PublikacjaData on trace element bioavailability in the south-polar marine ecosystem is still scarce, compared to that relating to temperate zones. Seabirds can be used as indicators of ecosystem health and sentinels of environmental pollution, constituting a link between marine and terrestrial environments. Here, we analysed the concentration of 17 elements (with special emphasis on mercury, Hg) in feathers of adults and chicks of two pelagic...
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Quality of groundwater contaminated by leachates from seven Polish landfills - chemical and ecotoxicological classifications
PublikacjaArtykuł prezentuje rezultaty badań toksyczności ostrej i chronicznej próbek wód podziemnych pobranych spod składowisk odpadów komunalnych. Uzyskane wyniki porównano z wynikami badań parametrów fizykochemicznych. Jednocześnie dokonano klasyfikacji jakości badanych próbek w oparciu o zalecenia Komisji Helsińskiej, system oparty na wyznaczaniu parametru pT i kryteria ustanowione przez Persoone'a i współpracowników.
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Short-term measurement of physiological parameters - child (2)
Dane BadawczeThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - adult (1)
Dane BadawczeThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (30 minutes) measurement of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - child (1)
Dane BadawczeThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (20 minutes) measurement of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - adult (2)
Dane BadawczeThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurement of physiological parameters were performed on the healthy...
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Removal of ketoprofen from surface water in a submerged photocatalytic membrane reactor utilizing membrane distillation: effect of process parameters and evaluation of long‐term performance
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Influence of the annealing condictions on the chemical structure of LaBaGdCo ceramics
Dane BadawczeCeramic samples based on Barium, Lanthanum, Gadolinium and Cobaltium were produced by solid state reaction. After sintring in a furnance, samples were annealed at 300 Celsius degree in wet and dry atmosphere. Annealing takes 72h or 2h. Results of annealing were observed by X-Ray photoemission spectroscopy (XPS), OmicronNanotechnology. XPS analysis...
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Analysis of Modal Parameters Using a Statistical Approach for Condition Monitoring of the Wind Turbine Blade
PublikacjaThe primary objective of the presented paper is the numerical and experimental investigation related to developing a useful diagnostic method, which can be used for determining the site and size of damage in laminated shells of wind turbine blades. The described detection technique is based on the analysis of low frequencies bending vibrations mode shapes of rotor blades. The authors used the commonly applied statistics methods...
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WATER QUALITY PARAMETERS OF A SMALL MIDFOREST WATERCOURSE RECEIVING DOMESTIC SEWAGE AFTER TREATMENT
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Effect of the template-assisted electrodeposition parameters on the structure and magnetic properties of Co nanowire arrays
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Method using bilinear transformation for measurement of impedance parameters of a multielement two-terminal network
PublikacjaArtykuł przedstawia metodę identyfikacji parametrów impedancyjnych obiektów modelowanych dwójnikami. Metoda wykorzystuje właściwości przekształcenia biliniowego pozwalającego na przedstawienie impedancji obiektu jako funkcji każdego z parametrów obwodu zastępczego z osobna. Odwrotne przekształcenie biliniowe pozwala na wyznaczenie wartości każdego parametru na podstawie pomiaru impedancji na jednej częstotliwości dobranej dla...
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Relationships between Selected Physiological Factors and Milking Parameters for Cows Using a Milking Robot
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EFFECT OF CALCIUM CASEINATE AND CALCIUM CITRATE ON QUALITY AND TECHNOLOGICAL PARAMETERS OF GLUTEN-FREE BREAD
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Global Structural Behavior and Leg Strength for Jack-Up Rigs with Varying Environmental Parameters
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The investigations of influence of isotropic coupling betweenferrite coupled slot-lines on parameters of FSLS circulator
PublikacjaW pracy zaprezentowano badania cyrkulatora wykorzystującego magnesowaną wzdłużnie sekcję ferrytowych, sprzężonych linii szczelinowych (FSLS). Przedstawione badania oraz ich wyniki dotyczą wpływu wielkości sprzężenia izotropwego występującego pomiędzy sprzężonymi liniami szczelinowymi sekcji FSLS. Na podstawie uzyskanych wyników oraz weryfikacji ekperymentalnej stwierdzono, iż zapewnienie jak najniższej wartości sprzężenia izotropwego...
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Lactose Content and Selected Quality Parameters of Sheep Milk Fermented Beverages during Storage
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The Effect Of Reference Plane On Values Of Areal Surface Topography Parameters From Cylindrical Elements
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Metabolic Gene Expression in the Muscle and Blood Parameters of Broiler Chickens Stimulated In Ovo with Synbiotics
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The effect of application of biopreparations and fungicides on the yield and selected parameters of seed value of seed potatoes
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