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1.
FINISHING OF THE SURFACE OF CORUNDUM CERAMICS WITH AN ARGON CLUSTER-ION BEAM
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(Not-set)
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... after treatment with argon cluster ions in various modes: with small and large average cluster ion sizes. The ranges of lateral sizes of irregularities at which smoothing of the ceramic surface is observed ...
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2.
DIELECTRIC PROPERTIES OF SOLID SOLUTIONS OF ALKALINE EARTH METAL TITANATES OF PEROVSKITE STRUCTURE
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(Not-set)
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An overview of the dielectric properties of ceramic materials based on solid solutions of alkali-earth metal titanates with a perovskite structure is presented. The ranges of solubility of the components ...
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3.
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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... powders of the composition (Y1–xLux)3Yb0.15Er0.03Al5O12, calcined at 800, 900, 1000 and 1150 ?C, the temperature ranges of formation and decomposition of intermediate crystalline phases Y2O2SO4, Y2(SO4)3, ...
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4.
MECHANOCHEMICAL SYNTHESIS OF CuO/ZnO/Al2O3 OXIDE COMPOSITE FOR CATALYTIC SYSTEMS
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(Not-set)
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... method, the temperature ranges of activation of the composite for its use as a catalyst were obtained. The positive effect of mechanical activation on the formation of the composite structure, hich makes ...
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5.
CERAMICS WITH ULTRAHIGH PERMITTIVITY VALUES: COMPOSITIONS, SYNTHESIS METHODS AND PROPERTIES AT LOW AND MEDIUM FREQUENCIES
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(Not-set)
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An overview of dielectric materials with high (more than 10 000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric ...
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6.
MINERALOGICAL FEATURESOF THE EXPANDED VERMICULITE ORES
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(Not-set)
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The natural minerals of the Tebinbulak deposit, which are used as a thermal insulation material, have been studied, while their swelling coefficient depends on the size of the raw material and ranges from ...
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7.
POLARIZATION CONTROLLED BIREFRINGENCE IN SODIUM ALUMINOBORATE GLASS
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(Not-set)
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The formation of birefringent nanogratings by a femtosecond laser beam in the volume of sodium aluminoborate glasses is demonstrated. The dependences of the optical retardance of the nanogratings on the ...
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8.
Research Technology of Laser Cutting of Mica
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(Not-set)
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This article presents the results of a study of the process of cutting mica using ultrashort pulsed laser radia-tion of the picosecond and femtosecond ranges with a wavelength of 1030 nm. The pulses were ...
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9.
Of B2O3 and P2O5 Additives on Silicate and Glass Formation at Srtontium Aluminosilicate Glass Melting
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(Not-set)
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the results of studies on reducing the melting temperature of strontium aluminosilicate glass by introducing boron and phosphorus oxides into the charge are presented, the main physicochemical processes ...
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10.
Temperature of Suspension as a Parameter of Control its Rheological Properties at Magnetic Separation
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(Not-set)
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... of their description in the operating temperature ranges by functions of exponential and logarithmic forms, respectively, are given, which may also be valid for other media, including those used for other, ...
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11.
The Processes of Gelation, Phase Formation and Sintering in the Process of Synthesis by the Sol-Gel Method of Aluminosilicate Glass-Ceramic Modified with Refractory Hafnium and Zirconium Oxides
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(Glassceramics)
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... the sintering of glass ceramics, and also leads to a change in the temperature ranges of the phase formation processes and the nature of the precipitated crystalline phases. The use of the sol-gel method ...
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12.
Research in highly loaded calcium phosphate slurries for producing shaped bioceramic bodies
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(Biomaterials)
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The study of the rheological properties of highly concentrated calcium phosphate suspensions for the creation of bioceramics of complex shape by slip casting and 3D printing has been carried out. Macroporous ...
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13.
Radome vitrous materials based on titanosilicate glasses
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(Science for glass and ceramic production)
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Based on the R 2 O? BaO? TiO 2 ? SiO 2 system (where R 2 O? Li < sub> 2 O, K 2 O and Na 2 O) glass with low crystallization capacity has been developed; the value of the tangent of the angle ...
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14.
Rheological behaviour of alumina slurries
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(Science for ceramic production)
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... of ceramic materials. The ranges of the ratios of the solid (sintered powders) and liquid (technological binder) phases have been determined, at which coagulation and direct contacts are formed in the ...
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15.
Quasi-faceted call computing model and its application for bulk materials
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(At the enterprises and institutes)
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On the example of ordered packages of bulk media? balls considered a model of their structure? with cells in the form of conditionally cut (quasi-faceted) parallelepipeds, the vertices of which are located ...
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16.
Lithium-niobium-silicate glacces local crystallization by Cu-vapour laser beam
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(Science for glass production)
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The possibility of laser crystallization of lithium-niobium silicate glasses by means of nanosecond laser pulses in the visible and UV ranges has been demonstrated. Irradiation of glasses with the composition ...
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17.
Unbaked castable refractory phase composition formation at the heating-up service conditions temperature of glassmaking aggregates
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(Refractories for glass production)
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Comprehensive studies of the phase composition of refractory concrete compositions, heat-treated in various temperature ranges, including when the glass-melting units are put into operation, have been ...
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18.
Solubility of copper-containing calcium-phosphate glass
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(Science for glass production)
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... by a high level of solubility in an aqueous medium during boiling. The registered release of copper ions into an aqueous medium ranges from 60 to 125 ppm, which allows the synthesized glasses to be classified ...
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19.
Electron paramagnetic resonance of V4+ ions in lanthanum-aluminosilicate glass
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(Science for glass production)
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The EPR and optical absorption spectra of V 4+ ions and their relationship with the structural features of glasses of the La 2 O 3 - Al 2 < / sup> O 3 - SiO 2 . Three characteristic ranges of ...
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20.
Comparative optical parameters of the sheet glass
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(Science for glass production)
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A comparative analysis of the ability of sheet glass from a number of manufacturers to transmit solar radiation in different ranges: 300 - 2500 nm (direct solar transmission), 300 - 380 nm (ultraviolet ...
