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Environment Protection Engineering
PL Przedstawiono efekty oczyszczania wody o małej mętności i dużym stężeniu rozpuszczonych związków organicznych w procesie koagulacji kontaktowej w złożu węgla aktywnego. Wyniki porównano z wynikami oczyszczania wody w sekwencji procesów koagulacji objętościowej i adsorpcji. Wskazano atrakcyjność meto[...]
EN The up-flow direct filtration through adsorption bed for water with low turbidity and elevated orgs. concentration was tested. The effects of coagulation in GAC with a sequence of volume coagulation and adsorption were studied separately, and the advantages of the method proposed in comparison to co[...]
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Materials Science Poland
2007 Vol. 25, No. 3 885--898
EN The C-Fe interaction in the (001) bcc Fe that contaning a vacancy was analyzed using a semiempirical theoretical method. A cluster model containing 125 atoms was used to simulate the local environment of the Fe vacancy. Carbon atoms were positioned in their local energy minima configurations. The mo[...]
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Archives of Materials Science and Engineering
EN Purpose: Present work corresponds to the research on the kinetics of phase transformation of undercooled austenite of three Cr-Mn-Mo models alloys with a different carbon content. The kinetics of phase transformation of undercooled austenite of investigated alloys was presented on CTT diagrams. Also[...]
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Bulletin of the Polish Academy of Sciences. Chemistry
EN Principal values of magnetic shielding tensors of acetylenic carbon nuclei for butadiynyltrimethylsilane and its reorientation rate in solution have been obtained from the interpretation of the 13C longitudinal relaxation data. The ab initio GIAO-CHF calculations of shielding parameters have been pe[...]
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Polish Journal of Chemistry
2002 Vol. 76 / nr 11 1649-1654
EN A series of carbon supported nickel catalysts of various metal dispersion was characterized by temperature-programmed reduction and adsorption of hydrogen, carbon monoxide and oxygen. The examinations showed that some carbon species appear on nickel surface in the course of routine purging of the ca[...]
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Karbo
2000 Nr 11 376-382
PL Omówiono wyniki badań wpływu parametrów obróbki na składowe siły skrawania przy frezowaniu czołowym różnych tworzyw węglowych. Na podstawie analizy statystycznej uzyskanych w trakcie badań wyników pomiarów wyznaczono wartości właściwego oporu skrawania badanych tworzyw oraz starych i wykładników pot[...]
EN The article discusses the investigation results of the influence of machining parameters on component powers of machining during face milling of various carbon plastics. On the basis of statistical analysis obtained during investigation of measurement results values of proper machining resistance wa[...]
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International Letters of Chemistry, Physics and Astronomy
2015 Vol. 49 15--26
EN Hydrogen is the cleanest fuel known to man and the most prominent alternative to carbon-based fuels, although it is not available as a free gas on earth, it can be produced from various sources using the correct combination of pressure and temperature. The deep time that our planet has given life ha[...]
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Materials Science Poland
2014 Vol. 32, No. 2 228--235
EN In this paper a method of determination of Pd in a carbon-palladium film (C–Pd film) deposited on a quartz substrate is presented. This method is based on energy dispersive X-ray spectroscopy (EDX) and all experiments were performed using a scanning electron microscope (SEM) equipped with EDX system[...]
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Physicochemical Problems of Mineral Processing
EN The aim of this communication is to explore a simple and efficient method for fabrication of superhydrophobic surface by candle smoke particles (CSPs). The properties of CSPs before and after the calcination process has been studied by SEM, TEM, TG-DSC, FT-IR and contact angle measurements. The resu[...]
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Engineering of Biomaterials
EN Nanomaterials are very important in the field of packaging of food, medicines and dietary supplements. Modern packagings often contain nanoparticles that provide them new feature - nanoparticles are used to activate mainly the packaging inner surface. Carbon occurs in several allotropic forms, such [...]
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Engineering of Biomaterials
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Biuletyn Państwowego Instytutu Geologicznego
1999 nr 387 136--137
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Engineering of Biomaterials
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Engineering of Biomaterials
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Inżynieria Biomateriałów
EN Bioactive carbon - ceramic composites may constitute a new group of materials that combine bioactivity of calcium phosphates (HAP, TCP) or bio-glass, and the mechanical properties of carbon-carbon composites, comparable to those natural bone tissue. Both mechanical and biological properties of these[...]
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Materials Science Poland
EN Micro- or nanoflowers are self-organized, planar or 3D microstructures similar to macroscopic flowers. The interest in microflowers has increased in recent years because of many potential applications of microflowers, due to their high specific surface area. The analysis of the morphology of carbon [...]
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Materials Science Poland
EN Carbon films were synthesized under hydrothermal electrochemical conditions using sugar as the carbon source at temperature ranging from 170 C to 180 C. The reaction temperature affects the degree of sugar decomposition, the concentration of carbon ions, supersaturation and overpotential of the solu[...]
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Oceanological and Hydrobiological Studies
EN The studies concerned the ecosystem of the Solina-Myczkowce cascade of reservoirs. While the elemental C:N ratio was higher in the Solina Reservoir branches and in the Myczkowce Reservoir (>10), the values for stations located near the Solina Dam were low (<10). Markedly, the lowest values for &delt[...]
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Bulletin of the Polish Academy of Sciences. Chemistry
EN (1)H, (13)C and (19)F spectra of title compound have been measured and interpreted. Some of determined couplings between fluorine and carbon or proton atoms seem to have "through-space" character.
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Prace Naukowe Instytutu Technologii Organicznej i Tworzyw Sztucznych Politechniki Wrocławskiej. Konferencje
PL Przedstawiono wyniki badań wpływu kauczuku CTBN na temperaturę zeszklenia i moduł zachowawczy usieciowanej kompozycji epoksydowej składającej się z małocząsteczkowej żywicy z Bisfenolu A, nowolaku i napełniacza węglowego. Stwierdzono, że dodatek CTBN w ilości 6% do kompozycji zawierającej 19% wag. n[...]
EN This paper examines the effect of the addition of CTBN to epoxy compositions containing: bisphenol A epoxy resin, novolac, and coal as filler on the viscoelastic properties of full cured composites. Results from the DMTA analysis show that the hybrid composition which contains: 6%wt. CTBN and 19%wt.[...]
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