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Search results for: POCHODNE AMFOTERYCYNY B
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Silver-modified titania with enhanced photocatalytic and antimicrobial properties under UV and visible light irradiation
PublicationCommercial titania photocatalysts were modified with 2 wt% of silver by photodeposition. The properties of the samples were characterized by DRS, XPS, XRD, FE-SEM and STEM. The modified samples exhibited activity under visible light and enhanced activity under UV irradiation for 2-propanol and acetic acid oxidation, respectively. The time-resolved microwave conductivity (TRMC) analysis indicated that enhanced activity (2.5–8-fold...
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Synthesis, characterization, and photocatalytic properties of core/shell mesoporous silica nanospheres supporting nanocrystalline titania
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Catalyst size dependencies for carbon nanotube synthesis
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Empirical Analysis of Forest Penalizing Attribute and Its Enhanced Variations for Android Malware Detection
PublicationAs a result of the rapid advancement of mobile and internet technology, a plethora of new mobile security risks has recently emerged. Many techniques have been developed to address the risks associated with Android malware. The most extensively used method for identifying Android malware is signature-based detection. The drawback of this method, however, is that it is unable to detect unknown malware. As a consequence of this problem,...
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Micro-strain administered SHG intensity enhancement by heavy Ce doping in co-precipitated ZnO nanoparticles
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Characterization of various Eu2+ sites in Ca2SiO4:Eu2+ and Ba2SiO4:Eu2+ by high-pressure spectroscopy
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Luminescence of Gd2(WO4)3:Ln3+at ambient and high hydrostatic pressure
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Co-crystal formation between 2-amino-4,6-dimethylpyrimidine and new p-xylylene-bis(thioacetic) acid
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Investigation of OSL signal of resistors from mobile phones for accidental dosimetry
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Analysis of TL and OSL kinetics of lithium aluminate
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Analysis of experimental and simulated vibrational spectra for the antiferroelectric liquid crystal 12OBBB1M6
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Density Functional Theory Studies on Ir Spectra of the Triphenylene Derivatives. A Scaled Quantum Mechanical Force Field Approach
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New photocatalyst for decomposition of humic acids in photocatalysis and photo-Fenton processes
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Prevalence of insomnia in Poland — results of the National Health Interview Survey
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Generation and stability of N-phenacyl-4-R-pyridinium ylides in silicon polypodands
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The reaction of substituted N-phenacyl-pyridinium bromides in the pyridine ring with DABCO and DBU in water and DMSO. Kinetics and DFT studies
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Ab initio and nuclear inelastic scattering studies of Fe3Si/GaAs heterostructures
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A nanoscaled contactless thermometer for biological systems
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Sustainable energy system combined biogas-feedSolid Oxide Fuel Cell and Microalgae technology
PublicationIn the new frontier of energy and environmental safety, new efficient and clean safe energy conversion systems are required. In this sense, the present work is framed within the context of Circular Economy and proposes a multidisciplinary study for the development of more efficient, economically viable and non-polluting energy conversion systems, based on the synergetic combination of different technologies: fuel cells, biofuels,...
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Quality assessments of electrochromic devices: the possibleuse of 1/f current noise
PublicationElementy wykorzystujące zjawisko elektrochromizmu, potrafiące zmieniać przezroczystość za pomocą ładowania/rozładowania ładunkiem elektrycznym, wykonano na bazie laminatów pokrytych porowatą strukturą tlenków Ni oraz tlenków Wi-V. Oba laminaty, na które naniesiono przewodzącą warstwę In2O3, przedzielono warstwą elektrolitu. Obserwowano szumy typu 1/f w prądzie I płynącym w trakcie rozładowywania urządzenia. Gęstość widmowa mocy...
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Design and Simulation Verification of Low Power Wireless Charging Battery System for Electric Bicycle
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Low-frequency current noise in electrochromic devices
PublicationObserwowano szumy typu 1/f w elemencie wykazującym zjawisko elektrochromizmu - zmiany swoich parametrów optycznych (przezroczystości) pod wpływem przyłożonego napięcia. Element składał się z porowatej warstwy nanocząstek WO3 oraz tlenku Ni-V. Obserwowano gęstość widmową mocy prądu szumów, która zalezała liniowo od kwadratu prądu stałego I płynącego przez element. Stwierdzono, że intensywne przełączanie elementu między trybem przezroczystym...
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Scanning tunneling microscopy and spectroscopy study of Nd2−xCexCuO4−y
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Study of superconductivity in a wide range of Ce doping in Nd-214 system
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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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Conformational studies of highly potent 1-aminocyclohexane-1-carboxylic acid substituted V2 vasopressin agonists
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Evaluation of sorption capabilities of biopolymeric microspheres by the solid-phase extraction
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Comparison of commercial thermoluminescent readers regarding high-dose high-temperature measurements
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Radial distribution of dose within heavy charged particle tracks – Models and experimental verification using LiF:Mg,Cu,P TL detectors
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Two-dimensional thermoluminescence method for checking LiF crystals homogeneity
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Position of LiF:Mg,Cu,P TL peak as an alternative method for ultra-high-dose dosimetry
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The Investigation of Thermal and Optical Properties of Semiconducting Nanostructural Hybrid Films
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Improvement of charge separation in TiO 2 by its modification with different tungsten compounds
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Influence of TiO2 hydrophilicity on the photocatalytic decomposition of gaseous acetaldehyde in a circulated flow reactor
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Modification of carbon-coated TiO2 by iron to increase adsorptivity and photoactivity for phenol
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Photocatalytic decomposition of benzo-[a]-pyrene on the surface of acrylic, latex and mineral paints. Influence of paint composition
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Improvement of photocatalytic activity of silicate paints by removal of K2SO4
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First-principles calculations of the lattice dynamics of CuInSe2
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Correlated electrons and transport in a quantum point contact and in a double-quantum-dot system
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Photocatalytic performance of titania nanospheres deposited on graphene in coumarin oxidation reaction
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Contact angle of the ferronanofluid and influence of the magnetic field on the drying droplet
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INFLUENCE OF SINGLE-STAGE AND DUPLEX SHOT PEENING ON SURFACE ROUGHNESS AND RESIDUAL STRESSES IN Al Mg5 Mn1 Sc0,8 Zr0,4 ALLOY
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Contribution to the mechanism of liquid membrane oscillators involving cationic surfactant.
PublicationIt is shown that liquid membrane oscillators with cationic surfactants havemore complex oscillation patterns than observed previously. The actual details of the oscillations depend strongly on the nature of the membrane material, dislosing even the presence of parallel molecular events. It appearsthat sampling topology also has a great influence on the observed oscillato-ry behaviour. Variation of oscillation patterns with...
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Solvent residue determination in Uncaria Tomentosa Bark by HS-GC technique
PublicationPrzedstawiono wyniki oznaczeń pozostałości rozpuszczalników organicznych w preparacie uzyskanym z kory liany U. Tomentosa, wykorzystywanej do produkcji farmaceutyków i dodatków do żywności. 1,1,2-trichloroeten oraz dichlorometan są powszechnie stosowane do usunięcia z kory kilku grup alkaloidów o znanych właściwościach biologicznych, co umożliwia zbadanie pozostałych jej związków. Ilościowe oznaczanie tych rozpuszcalników jest...
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Neural Networks Based on Ultrafast Time-Delayed Effects in Exciton Polaritons
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Nowe poliuretany dla celów medycznych.**2003, 132 s. 54 rys. 31 tab. bib-liogr. 118 poz. maszyn. Rozprawa doktorska /08.10.2003/ P. Gdań. Wydz. Chem. Promotor: dr hab. inż. B. Masiulanis, prof. nadzw. PG.
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What is in a name: Defining “high entropy” oxides
PublicationABSTRACT High entropy oxides are emerging as an exciting new avenue to design highly tailored functional behaviors that have no traditional counterparts. Study and application of these materials are bringing together scientists and engineers from physics, chemistry, and materials science. The diversity of each of these disciplines comes with perspectives and jargon that may be confusing to those outside of the individual fields,...
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Critical Remarks on Landauer’s principle of erasure– dissipation: Including notes on Maxwell demons and Szilard engines
PublicationWe briefly address Landauer’s Principle and some related issues in thermal demons. We show that an error-free Turing computer works in the zero-entropy limit, which proves Landauer’s derivation incorrect. To have a physical logic gate, memory or information-engine, a few essential components necessary for the operation of these devices are often neglected, such as various aspects of control, damping and the fluctuation–dissipation...
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Measurements of absolute elastic and vibrational cross sections for electron scattering from tetrahydrofuran
PublicationPrzedstawiono wstępne wyniki pomiaru absolutnych przekrojów czynnych na zderzenie elektronów z drobinami tetrahydrofuranu przy energii 10eV.