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1.
INFLUENCE OF LIQUID FOAMING AGENT DISTRIBUTION ON THE FORMATION OF FOAM GLASS POROUS STRUCTURE
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(Not-set)
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It was shown that the use of liquid-phase foaming agents is promising for the synthesis of foam glass. The dynamics of the change in the glass particles size in the process of batch obtaining was studied. ...
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2.
Nanoporous glass with controlled pore size for high performance oligonucleotides
synthesis
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(Science for glass production)
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The results of the development of powdered nanoporous glass (NPS) with a controlled pore size for solid-phase synthesis of oligonucleotides with an increased product yield are presented. By varying the ...
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3.
MECHANISM OF REDUCING AGGLOMERATION OF YAG CERAMIC POWDERS USING AMMONIUM SULFATE DISPERSANT
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(Not-set)
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Yttrium aluminum garnet (YAG) powders were synthesized via chemical precipitation, both with and without the addition of ammonium sulfate as a dispersant. The impact of the dispersant on the particle size ...
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4.
APPLICATION OF POLYVINYLPYRROLIDONE TO IMPROVE THE OPTICAL PROPERTIES OF YAG-BASED CERAMICS
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(Not-set)
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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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5.
SILICAS WITH ORGANOSILSESQUIOXANE FRAGMENTS AS ADSORBENTS FOR SEPARATION OF AIR MACRO COMPONENTS
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(Not-set)
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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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6.
MECHANOCHEMICAL SYNTHESIS OF CuO/ZnO/Al2O3 OXIDE COMPOSITE FOR CATALYTIC SYSTEMS
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(Not-set)
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... slightly, while the nature of processing has a significant effect on such textural characteristics as pore size distribution, active surface and dispersion of copper. Using the thermoprogrammable reduction ...
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7.
STUDY OF THERMAL PROCESSES IN POROUS ANODIC ALUMINUM OXIDE FILLED WITH PEROVSKITE
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(Not-set)
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A model has been constructed for the mathematical calculation of thermal processes occurring in hexagonally located cells in the form of articulated channels with filler. Using the proposed model, the ...
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8.
LOCAL ELECTRIC FIELD ENHANCEMENT IN THE VICINITY OF Ag NANOPARTICLES AND THEIR AGGLOMERATES IN ZINC-PHOSPHATE AND SILICATE GLASS
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(Not-set)
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Based on calculations, spatial distribution of the local electric field (LEF) for various structural configurations of silver nanoparticles (NPs) in silicate and zinc-phosphate glasses was studied. The ...
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9.
INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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In this study, the changes in the morphology and degree of agglomeration of both precursor powders and ceramic YAG powders under varying grinding conditions was considered. The effect of these parameters ...
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10.
INFLUENCE OF THE MINERALOGICAL COMPOSITION OF CLAYS ON THE CAPILLARY-POROUS STRUCTURE AND FROST RESISTANCE OF CERAMIC BRICKS
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(Not-set)
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The influence of the mineralogical composition of clays on the microstructure and frost resistance of ceramic bricks has been studied. The pore radii were calculated by the method of capillary water saturation ...
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11.
INVESTIGATION OF THE STRUCTURAL ADSORPTION PROPERTIES OF A COMPOSITE BASED ON MOLYBDENUM NANOPARTICLES IN A ZEOLITE MATRIX
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(Not-set)
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... surface area, total pore volume and mesopore size distribution are determined. The results obtained are of interest for the production of catalytically-active materials based on zeolitic raw materials ...
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12.
SURFACE CHARGES AND ZERO CHARGE POINTS OF NATURAL CLAYS OF ORENBURG REGION
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(Not-set)
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The values of surface charges and zero charge points in water-clay suspensions with pH equal to 5, 7 and 9 have been studied. Their changes under the influence of a microwave field and variations in particle ...
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13.
INFLUENCE OF THE METHOD FOR THE SYNTHESIS OF NiO/-SiOH COMPOSITES ON THE OBTAINED TEXTURAL PROPERTIES
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(Not-set)
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... surface area, total pore volume, and pore distribution along the radius were chosen as the main textural properties. For these purposes, X-ray phase analysis, scanning electron microscopy, and low-temperature ...
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14.
Influence of the Conditions of Mechanochemical Activation on the Physical and Chemical Properties of Zinc Oxide
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(Not-set)
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... values ??of the specific surface area on the activation time and the content of the surfactant are obtained, the effect of mechanochemical activation on the distribution of pores along the radius, dispersion ...
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15.
Electrospinning Formation of Zirconia Fibers
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(Not-set)
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The possibility of obtaining ceramic fibers of zirconium oxide by electrospinning is considered. The factors influencing the fiber diameter and the presence of tape inclusions have been established. It ...
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16.
Study of the Porosity Structure of a Ceramic Material of the Fortress Wall of Girona (Spain)
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(Not-set)
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... and differential porograms of the samples under study, obtained by the method of mercury porosimetry, showed that the total volume of micropores ranging in size from 10-4 to 10-8 m is 0.155 cm 3 / g. ...
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17.
Porosity Structure and Technical Properties of Ceramic Materials Based on Wastes of Nonferrous Metallurgy of Eastern Kazakhstan
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(Not-set)
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... a by-product of rare-earth metals without the use of natural traditional materials - as a flux. Studies have shown that the content is & # 171; dangerous & # 187; pore sizes 10-5 - 10-7 m in samples from ...
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18.
Estimation of the Structural Parameters of the Glass Membrane
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(Science for glass production)
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... the average pore radius is not accurate. A more accurate method is proposed for calculating the structural parameters of glass membranes using a model of randomly located spheres for a cavernous medium ...
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19.
Laser Writing of the Polarization ? Sensitive Birefringent Microdo-mains in Sodium Borosilicate Glass
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(Science for glass production)
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The possibility of the formation of birefringent microregions in sodium borosilicate glass with the composition 68 SiO 2 , 27 B 2 O 3 , 4 Na is demonstrated. 2 O, 1 Al 2 O 3 (molar content, & ...
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20.
Production of aluminum-graphite composite by spark-plasma sintering
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(At the enterprises and institutes)
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An alumina-graphite composite was obtained by the method of spark-plasma sintering. The influence of the size of graphite particles, the compaction temperature and the holding time on the formation of ...
