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Wyniki wyszukiwania dla: NUCLEAR REACTOR MATERIALS
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Journal of Condensed Matter Nuclear Science
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Egyptian Journal of Radiology and Nuclear Medicine
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Journal of Nuclear Engineering and Radiation Science
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NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
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World Journal of Nuclear Science and Technology
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Hedongli Gongcheng/Nuclear Power Engineering
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Annual Review of Nuclear and Particle Science
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Revista Espanola de Medicina Nuclear
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PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
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SOLID STATE NUCLEAR MAGNETIC RESONANCE
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A diode rectifier with a Special Coupled Reactor and additional Active Power Filter in the Marine Local Power Network Supply Conditions
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Effective green ammonia synthesis from gaseous nitrogen and CO2 saturated-water vapour utilizing a novel photocatalytic reactor
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A new approach to designing control of dissolved oxygen and aeration system in sequencing batch reactor by applied backstepping control algorithm
PublikacjaThe Wastewater Treatment Plant (WWTP) is a very complex system, due to its nonlinearity, time-variance, and multiple time scales in its dynamics among others. The most important control parameter in a WWTP is the Dissolved Oxygen (DO) concentration. The tracking problem of the DO concentration is one of the most fundamental issues in biological wastewater treatment. Proper DO concentration control is necessary to achieve adequate...
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Highly sensitive microwave sensors based on open complementary square split-ring resonator for sensing liquid materials
PublikacjaThis paper presents high-sensitivity sensors based on open complementary square split-ring resonator and modified open complementary split-ring resonator operating at 4.5 GHz and 3.4 GHz, respectively. The sensors are designed for the detection of multiple liquid materials, including distilled water, methanol, and ethanol. The liquid under test is filled in a glass container loaded using a pipette. Compared to the conventional...
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Evaluation of Immobilization of Selected Peat-Isolated Yeast Strains of the Species Candida albicans and Candida subhashii on the Surface of Artificial Support Materials Used for Biotrickling Filtration
PublikacjaThe paper describes the process of n-butanol abatement by unicellular fungi, able to deplete n-butanol content in gas, by using n-butanol as source of carbon. Isolated and identified fungi species Candida albicans and Candida subhashii were subjected to a viability process via assimilation of carbon from hydrophilic and hydrophobic compounds. The isolates, which exhibited the ability to assimilate carbon, were immobilized on four...
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How to Improve Physico-Chemical Properties of Silk Fibroin Materials for Biomedical Applications?—Blending and Cross-Linking of Silk Fibroin—A Review
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Structure and Stability Characterization of Natural Lake Pigments Made from Plant Extracts and Their Potential Application in Polymer Composites for Packaging Materials
PublikacjaNatural dyes were extracted from various plant sources and converted into lake pigments based on aluminum and tin. Three different plants (weld, Persian berries, and Brazilwood) were chosen as representative sources of natural dyes. High-performance liquid chromatography (HPLC) and triple-quadrupole mass spectrometry (QqQ MS) were used to identify dyestuffs in the raw extracts. The natural dyes and lake pigments were further characterized...
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XPS analysis of the GO based materials
Dane BadawczeGraphene oxides samples were measured by XPS method. The X-ray photoemission spectroscopy measurements were carried out with Omicron NanoTechnology UHV equipment. The hemispherical spectrophotometer was equipped with a 128-channel collector. The XPS measurements were performed at room temperature at a pressure below 1.1 × 10−8 mBar. The photoelectrons...
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Optical time of flight spectroscopy for highly scattering materials measurements.
PublikacjaW artykule omówiono możliwości wykorzystania optycznej spektroskopii czasu przelotu w wyznaczaniu podstawowych parametrów optycznych materiałów silnie rozpraszających światło. Wykorzystano tu metodę Monte Carlo i metodę dyfuzji.
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Electrical capacitance tomography for studying the flow of friable materials in silos.
PublikacjaArtykuł opisuje możliwość aplikacji tomografii do pomiarów przepływu materiałów sypkich w silosach
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Kryteria doboru materiałów dentystycznych=Dental materials choice criteria
PublikacjaPrzedstawiono wyniki analizy kryteriów doboru podstawowych materiałów stomatologicznych. Wskazano kierunki rozwoju w tej dziedzinie materiałowej.
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Timber Frame Houses with Different Insulation Materials - Seismic Analysis
PublikacjaThe aim of this article is to present results of a dynamic numerical analysis focused on the response of two timber frame building structures exposed to seismic excitations. The first structure was insulated with mineral wool, while the second one with polyurethane foam. Specifications and technology involved in the models' construction are based on the previously conducted experimental study, upon which numerical structural models...
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Evaluation of Temporal Leachability of Strontium from Building Materials to Environment
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Photocatalytic Decomposition of Acetaldehyde on Different TiO2-Based Materials: A Review
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On the Anomalous Behavior of Alcohol Adsorption on Polymer-Coated Siliceous Materials
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An Overview on Materials and Techniques in 3D Bioprinting Toward Biomedical Application
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Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials
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Challenges in Studying the Incorporation of Nanomaterials to Building Materials on Microbiological Models
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Filled Carbon Nanotubes as Anode Materials for Lithium-Ion Batteries
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Polarization sensitive optical coherence tomography for technical materials investigation
PublikacjaZaprezentowano system optycznej tomografii koherentnej z analizą stanu polaryzacji światła. System umożliwia nieniszczące i bezkontaktowe badanie wewnętrznej struktury materiałów warstwowych. Przedstawiono zastosowaną metodę analizy stanu polaryzacji promieniowana wstecznie rozproszonego od badanego obiektu.
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Application of discrete models to describe the fracture process in brittle materials
PublikacjaPraca doktorska ''Zastosowanie modeli dyskretnych do opisu propagacji rys w materiałwch kruchych'' została podjęta z uwagi na fakt, że bardzo istotne jest poznanie mechanizmu powstawania lokalizacji odkształceń w materiałach kruchych takich jak beton (rysty i strefy ścianania) na poziomie mikroskopowym. Poznanie to daje mozliwość bardziej realistycznego wymiarowania elementów konstrukcji betonowych i żelbetowych oraz przewidywania...
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Modeling of textural anisotropy in granular materials with micro-polar hypoplasticity
PublikacjaW artykule przedstawiono wyniki numerycznej wpływu anizotropii strukturalnej w materiałach granulowanych na powstawanie lokalizacji odkształceń. Obliczenia wykonano dla ściskania w płaskim stanie odkształcenia stosując metodę elementów skończonych na bazie mikropolarnego prawa hipoplastycznego. Wpływ anizotropii modelowano stosując skorelowane pola początkowego wskaźnika porowatości.
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Polarization sensitive optical coherence tomography for technical materials investigation
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Examination of tools of different materials edge geometry for MDF milling
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Application of different modes of nanoscale impedance microscopy in materials research
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Optimization of Quantitative Analysis of Biofilm Cell from Pipe Materials
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Functionalized polypyrroles. New molecular materials for electrocatalysis and related applications
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Applications of Graphene-based Materials in Chromatography and Sample Preparation: A Review
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Polarization-sensitive optical coherence tomography for ceramic materials inspection
PublikacjaCeramics production is looking for a fast, reliable and non-destructive method that can be implemented on site for defect detection and analysis. In this paper we present polarization-sensitive optical coherence tomography (PS-OCT) as a method for defect inspection. Proposed extensions to standard OCT provide additional information for complete characterization of tested object. We compare OCT and microscope imaging that can easily...
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Functional properties of packaging materials from chemical modified stach.
PublikacjaThis work is focused on study of the mechanical and barrier properties of films obtained from potato starch modified with sodium tetrahydroxozincate generated in situ. The results show that the chemical modification of starch improved the water vapor permeability by about 25%, unfortunately decreased the elongation at break by 60%, when compared with unmodified starch films. However, placitization of films with glycerol at a concentration...
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The author's technology for the recovery of materials from the silicon photovoltaic cells
PublikacjaOdzyskanie czystego krzemu z uszkodzonych lub wycofanych z eksploatacji modułów PV może prowadzić do korzyści ekonomicznych i ekologicznych. Ze względu na wysokie wymagania jakościowe, dotyczące odzyskiwanego krzemu, procesy chemiczne są najważniejszym etapem w recyklingu ogniw PV. W artykule przedstawiono przykłady i możliwości odzyskania materiałów ze zużytych lub uszkodzonych ogniw fotowoltaicznych z krystalicznego krzemu oraz...
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Roofing Materials as Pollution Emiters - Concentration Changes During Runoff
PublikacjaThe influence of roofing material on concentration of pollutants in roof runoff waters and changes of pollution concentration in time were investigated. In field studies four roofing material types were taken into consideration - ceramic tile, bituminous membrane, asbestos tile and zinc sheeting. Samples were collected since November 2007 to March 2008, anions, cations, metals, PAHs, pesticides and PCB were determined. The existence...
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Photovoltaic module temperature stabilization with the use of phase change materials
PublikacjaThe worldwide growth of photovoltaics (PVs) has formed an exponential curve for more than four decades. During this period of time, PVs have evolved from a pure niche market of small-scale applications towards becoming a mainstream electricity source. The influence of temperature on the electrical parameters of crystalline silicon solar cells and solar modules is well described in the literature. In order to diminish these effects,...
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FE-analysis of contractant shear zones in loose granular materials
PublikacjaW artykule przedstawiono wyniki numerycznej analizy stref ścinania w materiałach granulowanych luźnych. Obliczenia wykonano dla 4 różnych problemów brzegowych: ścinania warstwy między dwoma bardzo szorstkimi ścianami, ściskania w płaskim stanie odkształcenia, dwuosiowego ściskania, odporu na ściankę. Obliczenia wykonano stosując metodę elementów skończonych na bazie mikropolarnego prawa hipoplastycznego.
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Modelling of fracture process in brittle materials using a lattice model
PublikacjaW artykule przedstawiono wyniki obliczeń propagacji rys w elementach betonowych przy zastosowaniu modelu dyskretnego opartego na ruszcie belkowym. Obliczenia wykonano dla różnych problemów brzegowych. Dla redukcji kruchości w obszarze pokrytycznym przyjęto model nielokalny obliczenia odkształceń.
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FE-simulations of size effects in granular and quasi-brittle materials
PublikacjaW artykule przedstawiono symulacje efektów skali w materiałach granulowanych i kruchych. Obliczenia wykonano dla ściskania dwuosiowego i fundamentu w przypadku materiałów granulowanych oraz belek zginanych w przypadku materiałów kruchych. Do obliczeń wykorzystano mikropolarne prawo hipoplastyczne i sprężysto-plastyczne prawo z nielokalnym osłabieniem.
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Efficient Method for the Concentration Determination of Fmoc Groups Incorporated in the Core-Shell Materials by Fmoc–Glycine
PublikacjaIn this paper, we described the synthesis procedure of TiO2@SiO2 core-shell modified with 3-(aminopropyl)trimethoxysilane (APTMS). The chemical attachment of Fmoc–glycine (Fmoc–Gly–OH) at the surface of the core-shell structure was performed to determine the amount of active amino groups on the basis of the amount of Fmoc group calculation. We characterized nanostructures using various methods: transmission electron microscope...
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Singlet Exciton Diffusion in Vacuum-Evaporated Films of Amine-Based Materials as Studied by Photocurrent and Photoluminescence Quenching Methods
PublikacjaThe singlet exciton diffusion lengths are determined by the photoconductivity as well as the luminescence surface quenching technique, in vacuum‐evaporated layers of (4,4′,4″‐tris(N‐(3‐methylphenyl)‐N‐phenylylamino) triphenylamine) (m‐MTDATA), 4,4′,4″‐tris[2‐naphthyl(phenyl)amino] triphenylamine (2TNATA), and N,N′‐diphenyl‐N,N′‐bis(3‐methylphenyl)‐[1,1′‐biphenyl]‐4,4′‐diamine (TPD) which are frequently used for fabrication of electroluminescent...
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SEM images of (La0.3Sr0.6Ce0.1)0.9(Me1Me2Ti)O3-δ (Me1,Me2=Co, Fe, Ni) powder materials after reduction at 1000 deg.C in hydrogen
Dane BadawczeThe dataset presents SEM images of (La0.3Sr0.6Ce0.1)0.9(Me1Me2Ti)O3-δ (Me1,Me2=Co, Fe, Ni) powder materials after reduction at 1000 deg.C in hydrogen. The powders were synthesized via the Pechini method. The reduction was performed to force the exsolution process of bimetallic nanoparticles.
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Powering the Future by Iron Sulfide Type Material (FexSy) Based Electrochemical Materials for Water Splitting and Energy Storage Applications: A Review
PublikacjaWater electrolysis is among the recent alternatives for generating clean fuels (hydrogen). It is an efficient way to produce pure hydrogen at a rapid pace with no unwanted by-products. Effective and cheap water-splitting electrocatalysts with enhanced activity, specificity, and stability are currently widely studied. In this regard, noble metal-free transition metal-based catalysts are of high interest. Iron sulfide (FeS) is one...