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Search results for: energy science and technology
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Initial performance evaluation of a high resolution Albira small animal positron emission tomography scanner with monolithic crystals and depth-of-interaction encoding from a user's perspective
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Competition adsorption of malachite green and rhodamine B on polyethylene and polyvinyl chloride microplastics in aqueous environment
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Morphology and dispersion of nanostructured manganese–cobalt spinel on various carbon supports: the effect on the oxygen reduction reaction in alkaline media
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The joint effect of electrical conductivity and surface oxygen functionalities of carbon supports on the oxygen reduction reaction studied over bare supports and Mn–Co spinel/carbon catalysts in alkaline media
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Selective transport of zinc ions through novel polymer inclusion membranes (PIMS) containing β-diketone derivatives as carrier reagents
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The Influence of Alkyl Chain Length and Steric Effect on the Stability Constants and Extractability of Co(II) Complexes with 1-Alkyl-2-Methylimidazoles
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Solvent extraction of copper ions by 3-substituted derivatives of β-diketones
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A New Metric for Long-Range Transport Potential of Chemicals
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Comparison of the Properties of Vegetable Oil/Water and n-Tetradecane/Water Emulsions Stabilized by α-Lactalbumin or β-Casein
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Textural Characteristics of Resorcinol—Formaldehyde Resin and Temperature Behavior of Bound Water Affected by Co-Adsorbed Trifluoroacetic Acid or Pyridine in Weakly Polar Organic Media
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Thermal and calorimetric investigations of titania–silica composites
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Hydrothermal and mechanochemical synthesis of crystalline CaCO3
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Solid phase extraction of explosives on Ni-doped carbosils prepared by mechanochemistry
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Assessment of the structural evolution of polyimide-derived carbons obtained by phosphoric acid activation using Fourier transform infrared and Raman spectroscopy
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Ion Capacity of Siliceous Sorbents with Surface Polymer Layers Composed of Different Dextran—Triethylenetetraamine Mixtures (Ion Capacity of Sorbents with Surface Polymer Layers)
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FPGA-based implementation of a cavity field controller for FLASH and X-FEL
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Method for Determination of Methyl tert-Butyl Ether and Its Degradation Products in Water
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Lanthanide metal–organic frameworks: Structural, thermal and sorption properties
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Constructing multifunctional nanofiller with reactive interface in PLA/CB-g-DOPO composites for simultaneously improving flame retardancy, electrical conductivity and mechanical properties
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Nanosized Carbon Black Combined with Ni2O3 as “Universal” Catalysts for Synergistically Catalyzing Carbonization of Polyolefin Wastes to Synthesize Carbon Nanotubes and Application for Supercapacitors
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A novel stiffener skeleton strategy in catalytic carbonization system with enhanced carbon layer structure and improved fire retardancy
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Design and evaluation of a flow-to-frequency converter circuit with thermal feedback
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Liquefaction of alder wood as the source of renewable and sustainable polyols for preparation of polyurethane resins
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A model of a tunable quantum dot in a semiconducting carbon nanotube
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Experimental research on low-cost cold gas propulsion for a space robot platform
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Calix[4]Arenes Appended with Thioamide Moieties as Powerful Tool for Heavy Metals Recognition
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Sulfur Driven Nucleation Mode Formation in Diesel Exhaust under Transient Driving Conditions
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The Effects of Neat Biodiesel and Biodiesel and HVO Blends in Diesel Fuel on Exhaust Emissions from a Light Duty Vehicle with a Diesel Engine
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Decomposition of xenobiotics during visible light irradiation in the presence of immobilised photosensitisers: kinetics study
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Application of Fenton oxidation to reduce the toxicity of mixed parabens
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Retention of selected heavy metals: Cd, Cu, Pb in a hybrid wetland system
PublicationWykonano bilans wybranych metali ciężkich Cd2+, Pb2+, Cu2+ dla pilotowej oczyszczalni hydrofitowej w Przywidzu k. Gdańska. Wykazano m.i. że sorpcja była głównym mechanizmem odpowiedzialnym za usuwanie tych pierwiastków ze ścieków.
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Protection of surface water against contamination by wetland systems in Poland
PublicationOpisano systemy hydrofitowe stosowane do usuwania zanieczyszczeń z wód powierzchniowych zasilanych wodami opadowymi. Po wprowadzeniu systemów stwierdzono znaczną poprawę jakości wód analizowanych cieków.
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Continuous frequency method of measurement of electrode impedance.
PublicationPrzedstawione zostały matematyczne podstawy nowej metody pomiaru impedancji elektrodowej. Metoda wykorzystuje sygnał pobudzenia którego częstotliwość zmienia się liniowo w czasie. Amplituda sinusoidalnego niestacjonarnego pobudzenia jest stała. Zapis i analiza sygnału pobudzenia i odpowiedzi pozwalana wyznaczenie ciągłego widma impedancyjnego. Jednoczesna analiza czasowo częstotliwościowa wykonano została przy użyciu transformacji...
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Numerical calculations of wall pressures and stresses in steel cylindrical silos with concentric and eccentric hoppers
PublicationArtykuł przedstawia numeryczną analize naprężeń w płaszczu silosa. Porównane zostały wyniki dla silosów o przepływie centrycznym i mimośrodowym.
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Polish experience with sewage dewatering in reeds systems.
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Organotin compounds in the liver tissue of marine mammals from the PolishCoast of the Baltic Sea.
PublicationOznaczono zawartość związków cynoorganicznych w próbkach wątrób pochodzących od ssaków morskich złowionych w polskiej strefie ekonomicznej Morza Bałtyckiego. W ramach przeprowadzonych badań opracowana została oryginalna metodyka analityczna. Całkowite stężenie związków z tej grupy wahało się w granicach od 43,9 do 7698 ng Sn/g próbki (w przeliczeniu na suchą masę). Badano zależność stężeń tych związków od wieku i płci osobników.
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Dielectric properties of modified graphene oxide filled polyurethane nanocomposites and its correlation with rheology
PublicationThis study aims at investigating the dynamic mechanical, dielectric and rheological properties of reinforced polyurethane (PU) nanocomposites containing hydrophilic graphene oxide (GO) and/or hydrophobic modified graphene oxide (mGO) sheets. The organic modification of GO was performed with 4,4′-methylenebis (phenyl isocyanate) (MDI) and the samples were prepared by solvent mixing. We found that addition of mGO provides a more...
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The effects of different aeration modes on ammonia removal from sludge digester liquors in the nitritation–anammox proces
PublicationThe aim of this study was to determine the impact of continuous and intermittent aeration on the rate of ammonia removal in the combined nitritation–anammox process. This process was run in two parallel sequencing batch reactors (SBRs), with a working volume V = 10 L, treating sludge digester liquors from the Gdansk (Poland) wastewater treatment plant (WWTP). The ammonia oxidizing bacteria were cultivated from activated sludge...
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Multi-fidelity robust aerodynamic design optimization under mixed uncertainty
PublicationThe objective of this paper is to present a robust optimization algorithm for computationally efficient airfoil design under mixed (inherent and epistemic) uncertainty using a multi-fidelity approach. This algorithm exploits stochastic expansions derived from the Non-Intrusive Polynomial Chaos (NIPC) technique to create surrogate models utilized in the optimization process. A combined NIPC expansion approach is used, where both...
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Ionic Liquid Assisted Dissolution of Dissolved Organic Matter and PAHs from Soil Below the Critical Micelle Concentration
PublicationIncreased use and production of ionic liquids (ILs) may result in emissions into the environment. Particularly vulnerable are industrial areas and landfills where ILs are utilized and ultimately disposed of. This study investigates how IL contamination can affect soil properties and the sorption of pre-existing contaminants. The commonly used IL 1-methyl-3-octyl imidazolium chloride ([OMIM][Cl]) was added at various quantities...
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Effect of Cobalt Addition on the Activity of Nanocrystalline Iron Catalysts in the Cracking of Methane Reaction
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Equilibrium of Trichloroethylene Adsorption from Aqueous Solution onto Activated Carbons
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Kinetics of the Adsorption of Copper and Lead Ions from Aqueous Solution on to WD-ekstra Activated Carbon
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Adsorption of 1,2-Dichloropropane from Aqueous Solution onto Activated Carbon
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Adsorption of Hydrocarbon Chloro-Derivatives onto DTO Commercial Activated Carbon from Multi-Component Aqueous Solutions
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Water Purification by Membrane Distillation Process
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Surface characteristics of KOH-treated commercial carbons applied for CO2 adsorption
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Adsorption of CCl4 from Aqueous Solution on Activated Carbons
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CONCENTRATION OF NaCl SOLUTION BY MEMBRANE DISTILLATION INTEGRATED WITH CRYSTALLIZATION
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Properties of ultrafine-grained Mg-based composites modified by addition of silver and hydroxyapatite
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