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Physico-chemistry of continental bentonites and kaolin for ceramic applications.
DMF wastewater from the PU synthetic leather industries was filtrated by ZrO2 micro-filtration membranes with an average pore size of 0.2μm. The membrane fouling mechanism was analyzed by resistance-i...
In this article, we have carried out the Ni based self fluxing alloy powder and studied the effect on the laser alloying of 45steel layer which contains different weight percentage of nano-SiC powders...
Measuring soil water potentials is crucial to characterize vadose zone processes. Conventional tensiometers only measure until approximately −0.09 MPa, and indirect methods may suffer from the n...
A plastic brick clay with high clay mineral content was selected and the effects of different extruder heads on the main physical properties of the extruded products were investigated. The raw materia...
A fully automated pretreatment system based on sequential injection solid-phase extraction (SPE) coupled to a graphite furnace atomic absorption spectrometer (Auto-Pret-GFAAS system) was developed to...
Polycrystalline samples of ZrO2 added (Na1/2Bi1/2)TiO3 were prepared using high-temperature solid-state reaction method at 1050oC and subsequent sintering at 1090oC in air atmosphere. Rietveld analyse...
The formation mechanism of zinc-antimony spinel for V2O5 / Sb2O3 precursor, SbVO4 or Sb2O3 doped ZnVSb based varistor ceramics were studied by means of DSC-TGA and XRD techniques. The results show tha...
We report a comparative study of two archaeological sites, Bela Vista and Serrano, located in the Araruama region of the state of Rio de Janeiro, in Brazil. The elemental geochemical compositions of t...
The ceramic of new perovskite Ba (Cu1/2 Mo1/2) O3 has been synthesized at 1200 °C for 24 hours. The XRD analysis indicates an ordered hexagonal structure, which is attributed to large valency differen...
The method of high harmonics is used to investigate penetration of low magnetic fields within the Y1Ba2Cu3O7 high-temperature superconductor ceramic. Given experimental results are explained by the mo...
Abstract: Experimental data on structure formation in highly concentrated aqueous dispersions of kaolinite were analyzed using rheological models. The physicochemical properties of the clay mineral su...
The structure of ceramic materials containing molibdenum powder is considered within the framework of leakage theory. Determined are the density of the endless cluster, volumetric parts of the skeleto...

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