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21.
PROPERTIES OF POWDERS SYNTHESIZED FROM AQUEOUS SOLUTIONS OF SODIUM SILICATE AND IRON SULFATE
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(Not-set)
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The phase composition of the powder synthesized from aqueous solutions of sodium silicate Na2SiO3 and iron sulfate FeSO4 at the molar ratio Fe/Si = 2 according to X-ray diffraction (XRD) data included ...
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22.
INVESTIGATION OF THE KINETICS OF VACUUM SINTERING OF OPTICAL LUMINESCENT CERAMICS Y3-xScxA5O12:Cr
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(Not-set)
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The purpose of this work is to study the effect of scandium in the dodecahedral and octahedral positions of the garnet crystal lattice on the features of vacuum sintering of optical ceramics Y3-хScxAl2-yScyAl3O12:Cr, ...
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23.
SYNTHESIS AND STUDY OF THE OPTICAL AND SPECTRAL-LUMINESCENT PROPERTIES OF LuAG:Ce CERAMICS
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(Not-set)
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In this study, LuAG:Ce ceramic powders with compositions of Lu2.98Ce0.02Al5O12 and Lu2.93Ce0.07Al5O12 were synthesized using chemical precipitation. Luminescent ceramic samples were then produced from ...
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24.
INFLUENCE OF CERIUM CONCENTRATION AND SINTERING ATMOSPHERE ON THE PHASE COMPOSITION AND LUMINESCENT PROPERTIES OF Y2.98-хCeхAl5.02О12 CERAMICS
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(Not-set)
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The phase composition and spectral-luminescent properties of ceramic samples obtained from oxide compositions with the general formula Y2.98-хCeхAl5.02О12 (x = 0.05, 0.10, 0.20, 0.30, 0.45, 0.60 formula ...
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25.
JOINT PROCESSING OF QUARTZ-LEUCOXENE CONCENTRATE AND BRUCITE CONTAINING WASTE FROM THE PRODUCTION OF REFRACTORY MATERIALS TO OBTAIN COMPLEX COAGULANTS
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(Not-set)
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The volumes of large-tonnage mineral waste generation cause serious concern from the side of environmental supervision. Most of the mineral waste is a valuable secondary raw material, but the lack of integrated ...
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26.
METHODS OF FORMING COMPLEX PROFILE PRODUCTS FROM HEAT-RESISTANT CERAMIC MATERIALS BASED ON SILICON CARBIDE
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(Not-set)
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The possibility of obtaining complex-shaped mechanical engineering products based on reaction-sintered silicon carbide using two methods - mechanical processing of polymerized blanks before sintering and ...
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27.
ANTIBACTERIAL PROPERTIES OF BOROSILICATE ENAMEL WITH NANOSCALE ZINC OXIDE PARTICLES
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(Not-set)
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Glass-enamel coatings have been modified with nanosized particles, which expands the scope of their application and is a promising direction. It has been established that the introduction of nanosized ...
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28.
FEMTOSECOND-LASER WELDING OF PHOSPHATE GLASS AND ZING–MAGNESIUM–ALUMINOSILICATE GLASS-CERAMICS
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(Not-set)
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The formation of stable connection between materials with different CTE via using femtosecond laser writing is demonstrated. The welding of phosphate glass (CTE = 120?10–7 K–7) to zinc-magnesium-alumosilicate ...
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29.
ZINC BORATE GLASSES DOPED WITH COBALT: PREPARATION AND SPECTRAL PROPERTIES
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(Not-set)
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New glassy materials have been obtained in the ZnO–B2O3:CоO system. The physicochemical and spectral properties of zinc-borate glasses doped with cobalt have been studied in the composition range from ...
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30.
FORMATION OF CRYSTALLINE LINES OF LITHIUM HEPTAGERMANATE IN LITHIUM GERMANATE GLASS
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(Not-set)
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In this study, direct femtosecond laser writing of continuous crystalline lines possessing oriented structure and formed by ferroelectric Li2Ge7O15 phase in the bulk of glass of molar composition, mol. ...
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31.
OPTIMIZATION OF THE HOLLOW CHANNELS FORMATION PARAMETERS INSIDE GLASS BY DIRECT LASER WRITING AND SELECTIVE ETCHING
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(Not-set)
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Two-stage method of hollow channels formation inside glass by direct laser writing and selective etching is perspective way for microfluidics devices manufacturing. In this work the influence of the etching ...
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32.
EFFECT OF THE SYNTHESIS METHOD ON THE PHYSICOCHEMICAL PROPERTIES AND PHASE COMPOSITION OF ZIRCONIA
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(Not-set)
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Hydrated zirconia was obtained by solid state synthesis and precipitation. Physicochemical properties and phase composition of calcined hydrated zirconia was investigated by XRD, IR and DSC-TG. Hydrated ...
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33.
DENSE AND POROUS CERAMIC MATERIALS FROM COAL SLUDGE OF THE INTA DEPOSIT
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(Not-set)
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Dense and porous thermal-insulating ceramic materials were obtained from the flotation tailings of coal sludge of the processing plant of Inta town. The thermal behavior, changes in the phase and chemical ...
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34.
CERAMICS BASED ON FLUORINATED TALC
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(Not-set)
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A dense-sintered protoenstatite ceramics based on fluorinated talc was obtained. Influence of BaO and Al2O3 additives on the sinterability, structure and strength of ceramics was investigated. It makes ...
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35.
OXIDE-CONTAINING MINERAL FIBERS: TYPES, METHODS OF PRODUCTION, APPLICATION AND MANUFACTURERS (REVIEW)
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(Not-set)
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The article provides an overview of mineral oxide fibers of various chemical composition: aluminosilicate, alumina, silica, bio-soluble, zirconium oxide fibers and others. Methods for producing discrete ...
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36.
Control of Laser-Induced Backside Wet Etching of Silica Glass
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(Not-set)
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In this work we studied the influence of the laser exposure parameters and the etching solution type on the hollow channels length formed in silica glass by femtosecond laser-assisted backside wet etching. ...
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37.
Physico-Mechanical and Electrophysical Properties of Porous Glass Composites with Silicon Carbide Additives
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(Not-set)
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The influence of silicon carbide (10 & # 8211; 40 & # 37; by mass) on the physical-mechanical and electro-physical characteristics of composites is considered. The effect of the additive on the radio absorption ...
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38.
Fly Ash as a Technogenic Raw Material for the Production of Re-fractory and Insulating Ceramic Materials (Review)
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(Not-set)
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A review of the literature on the production of fly ash at thermal power plants and the level of its processing in Russia and abroad is presented. The properties of fly ash and its fields of application ...
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39.
Synthesis of Yttrium-Aluminum
Garnet Based on Double Ammonium-Containing Yttrium-Aluminum
Carbonate Compounds
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(Not-set)
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The difference in the mechanism of synthesis of yttrium-aluminum garnet Y 3 Al 5 O 12 (YAG) from a mixture of double yttrium and ammonium carbonate NH 4 Y (CO 3 ) 2 & middot; H 2 O with aluminum ...
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40.
High Purity Tungsten (VI) Oxide for Producing Advanced Laser Materials
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(Not-set)
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The effect of modifying oxides Nb 2 O 5 , BaO, Ga 2 O 3 , TiO 2 < / sub> on the glass-forming ability, thermal, physical and optical properties of glasses of the four-component system La 2 O ...
