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1.
CONDUCTIVE PASTES FOR LOW TEMPERATURE CO-FIRED CERAMICS – A REVIEW
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This article presents a review of the available scientific and technical information on conductive metallization pastes used in the production by low-temperature co-fired ceramic (LTCC) multilayer electronic ...
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2.
TESTING POLYMER COATINGS FOR THE PURPOSES OF RESTORING AND REPAIRING CONCRETE STRUCTURES AT THE YAKUTSK CLIMATE STATION
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The adhesion properties of polyurethane- and polyurea-based polymer coatings designed to protect concrete were studied under the climatic conditions of Yakutia. Coated concrete samples were exposed to ...
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3.
STUDY OF DEGRADATION OF LUMINESCENT PROPERTIES OF ERBIUM-DOPED ZINC-TELLURITE GLASSES UNDER TROPICAL CLIMATE CONDITIONS
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Glasses in the TeO2–ZnO system doped with Er3+, Yb3+, Nd3+ were studied. The influence of the synthesis atmosphere on the properties was determined. The photoluminescence intensity, absorption, refractive ...
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4.
BIMETALLIC NANOPARTICLES AgAu, AgRb IN ZINC PHOSPHATE GLASS: FORMATION, STRUCTURE, EFFECT ON OPTICAL CHARACTERISTICS OF GLASS CO-DOPED WITH NEODYMIUM IONS
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Doped zinc-phosphate (ZP) glasses of compositions ZP:Ag:Au and ZP:Ag:Rb were synthesized by the melt quenching method both without and with the use of additional heat post-treatment at T = 500 °C. In the ...
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5.
FABRICATION, MICROSTRUCTURE AND PROPERTIES OF COMPOSITE OPTICAL CERAMICS YSAG:Nd3+/YSAG:Sm3+
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Nanocrystalline powders of yttrium scandium aluminum garnet (YSAG) doped with neodymium Nd3+ and samarium Sm3+ cations were synthesized by chemical precipitation. Their morphology, phase and granulometric ...
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6.
APPLICATION OF POLYVINYLPYRROLIDONE TO IMPROVE THE OPTICAL PROPERTIES OF YAG-BASED CERAMICS
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Yttrium aluminum garnet doped with ytterbium (YAG:Yb) ceramic powders were synthesized using the chemical precipitation method, from which optical ceramic samples were fabricated. Dispersants, namely polyvinylpyrrolidone ...
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7.
SUSTAINABLE DEVELOPMENT OF SHOUSHAN STONE WASTE IN GLAZE MATERIALS: STUDY ON COLORATION MECHANISM AND DURABILITY
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This study focuses on the sustainable utilization of shoushan stone mineral processing waste in glaze materials, exploring its synergistic effects on regulating the coloration mechanism and optimizing ...
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8.
OPTICAL PROPERTIES OF HIGH PURITY SYNTHETIC QUARTZ GLASS AFTER HYDROGENATION
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This paper presents the results of annealing synthetic quartz glass of high purity at a temperature of 250 ?C and an elevated pressure of 7 MPa in an atmosphere of molecular hydrogen. Annealing under these ...
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9.
SYNTHESIS OF MULLITE-SILICA CERAMICS WITH ENHANCED ELECTROPHYSICAL PROPERTIES
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Presents the results of the synthesis of mullite-silica ceramics with improved electrophysical characteristics based on natural kaolinite raw materials extracted in the Orenburg region. The main attention ...
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10.
SILICAS WITH ORGANOSILSESQUIOXANE FRAGMENTS AS ADSORBENTS FOR SEPARATION OF AIR MACRO COMPONENTS
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Silica adsorbents with organosilsesquioxane fragments containing organic radicals have been obtained for use in the adsorption separation of oxygen-argon mixtures by the PSA method. The sol-gel scheme ...
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11.
ASSESSMENT OF THE EFFECT OF LITHIUM CHLORIDE ON THE PROPERTIES OF BOROPHOSPHATE GLASS DURING THE IMMOBILIZATION OF RADIOACTIVE WASTE FROM PYROCHEMICAL PROCESSING OF SPENT NUCLEAR ...
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The paper presents the results of the studies of a matrix based on borophosphate glass (BFS) with the addition of lithium chloride as a simulator of spent electrolyte, a type of radioactive waste formed ...
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12.
OBTAINING YAG:Ce CERAMICS WITH HIGH LUMINESCENT PROPERTIES
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The precursor powder and luminescent ceramics YAG:Ce based on it were obtained by reverse chemical deposition. The influence of sintering additives (CaO, MgO and TEOS), the concentration of the activator ...
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13.
FEATURES OF GARNET PHASE FORMATION IN THE Y2O3–Lu2O3–Yb2O3–Ee2O3–Al2O3 SYSTEM IN THE SYNTHESIS OF NANOCRYSTALLINE LOW-AGGLOMERATED CERAMIC POWDERS BY COPRECIPITATION METHOD USING AMMONIUM ...
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(Not-set)
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For the first time a series of ceramic powders of the composition (Y1–xLux)3Yb0.15Er0.03Al5O12 (YLuAG) with a garnet structure in which the atomic ratio of Y3+/Lu3+ cations varied from 80/20 to 20/80, ...
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14.
SYNTHESIS OF SILICON OXYCARBIDE COMPOSITE MODIFIED WITH TITANIUM OXIDE
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The work is devoted to the synthesis of silicon oxycarbide composite modified with titanium oxide by joint mechanical treatment of white soot and activated carbon with TiO2 particles deposited on its surface. ...
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15.
STUDY ON THE FIRING TECHNOLOGY AND INFLUENCING FACTORS OF COPPER-BASED GREEN GLAZE IN JUN PORCELAIN IN CERAMIC INDUSTRIAL PRODUCTION
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(Not-set)
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Cu-series green glaze was prepared using raw materials such as kaolin, feldspar, calcite, talc, limestone, quartz, and copper oxide. This study investigated the effects of formulation composition and preparation ...
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16.
FEATURES OF THE SYNTHESIS OF CERAMIC PARANIOBATE OF COMPOSITION YErYbNbO7
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The results of the synthesis of complex paraniobate of the composition YErYbNbO7 using various methods are presented. The chemical composition of the final synthesis products is determined. The features ...
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17.
CERAMIC COMPOSITE MATERIALS IN THE Ca2P2O7–Ca3(PO4)2 SYSTEM BASED ON POWDER MIXTURES INCLUDING CALCIUM PHOSPHATE OF NATURAL ORIGIN AND MONOCALCIUM PHOSPHATE MONOHYDRATE
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Ceramics in the Ca2P2O7–Ca3(PO4)2 system were obtained from powder mixtures containing calcium hydroxyapatite Са10(РО4)6(ОН)2 of natural origin and monocalcium phosphate monohydrate Ca(H2PO4)2·H2O. Fish ...
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18.
THE INFLUENCE OF THE ADDITION OF SLAG WASTE FROM THE NOVOCHERKASSK SDPP ON THE PROPERTIES OF ALUMINOSILICATE MATERIALS BASED ON DRILL WASTES FROM THE VOSTOCHNO-CHUMAKOVSKOYE OIL ...
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The essence of the method of horizontal drilling using hydraulic fracturing is described. The influence of drill wastes and coal combustion waste on the environment is shown. A number of physical and chemical ...
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19.
THERMAL INSULATION PROPERTIES OF CERAMOVERMICULITE AND KERAMOPERLITE MATERIALS ON A WOLLASTONITE BOND AT HIGH TEMPERATURE
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High-temperature thermal insulation materials are widely used in civil engineering as flame retardant materials, as well as in many industries. Rocks and industrial waste are used as raw materials for ...
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20.
FILTER ELEMENTS BASED ON ALUMOSILIATE FIBERS FOR SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES – A REVIEW
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A review of oxide compositions, developed for ceramic aluminosilicate fibers -based filter elements modification for the purpose of the selective catalytic reduction of nitrogen oxides in the purification ...
