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21.
Synthesis of Lanthanum Cobaltite Powders with Strontium and Calcium Additives by Sol-Gel Method
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(Not-set)
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Powders of composition La 1 & ndash; x Sr (Ca) x CoO 3 (x = 0.2) was obtained using the sol-gel method. To dry the gels, a microwave installation (radiation power 90 W, frequency 2450 MHz) and ...
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22.
Foam Glass and Foam Materials Based on the Ash and Slag Waste of Thermal Power Plants (Review)
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(Utilization of waste)
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An overview of domestic and foreign studies on the use of ash and slag waste from thermal power plants as raw materials in the production of foam glasses and glass-crystalline foams is presented. It is ...
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23.
150th anniversary of D.I.Mendeleev's Tabl
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(Information)
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... table - from hydrogen to rare earth and transuranic elements. The editorial board and editorial board of the magazine & # 171; Glass and ceramics & # 187; We sincerely congratulate the entire glass and ...
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24.
Influence of synthesis atmosphere on formation of pyrochlore matrices for HLWaste immobilisation
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(Environmental protection)
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... been established. It is shown that all rare-earth elements (REE) (Ce 4+ , La 3+ ) from the model HLW mixture are incorporated into the ceramic structure. Elemental analysis showed that lanthanides are ...
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25.
Use of improved glassy phosphate composition for water treatment
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(At the enterprises and institutes)
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The results of experiments on studying the properties of a glassy phosphate composition, modernized with copper-containing additives, are presented. The composition is designed to protect the surfaces ...
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26.
Materials science and techniques in development, production and application of wear-resistant alumina nozzles for underground soil drilling machines
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(Science for ceramic production)
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An analysis of the conditions and mechanisms of abrasive destruction (wear) and the principles of synthesis of structural ceramic materials is carried out from the material science standpoint. A logistic ...
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27.
The effect of Nd3+ content on spectral and luminescence properties in phosphate glass
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(Science for glass production)
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A phosphate-based laser glass with various concentrations of Nd 3+ ions has been synthesized, the composition of which provides enhanced melting properties and the possibility of obtaining optically ...
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28.
Structural and thermophysical features of complex ceramic oxides in Dy2O3-HfO2 system
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(Science for ceramic production)
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The structure and thermophysical properties of materials formed in the Dy 2 O 3 -HfO 2 system (molar ratio from 1: 3 to 3: 1 ) as a result of isothermal roasting of X-ray amorphous mixed hydroxides ...
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29.
Luminescence of Yb3+?Re3+ containing oxifluoride glasses
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(Automation and mechanization of production)
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Optical absorption and up-conversion luminescence of oxyfluoride glasses of the SiO 2 -PbO-PbF 2 -CdF 2 system coactivated with Yb 3+ -RE 3+ (where RE = Er, Tm, Ho, Dy, Pr or Tb). When excited ...
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30.
Alumo-yttrium garnet luminophores (review)
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(At the enterprises and institutes)
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A review of synthesis methods and properties of phosphors based on yttrium aluminum garnets, activated with rare earth elements, for LED light sources is presented. The dependences of the spectral characteristics ...
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31.
Glass for hard optic fibers
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(Science for glass production)
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The effect of oxides of rare earth elements (WO 3 , Gd 2 O 3 , Y 2 O 3 < / sub>) for a set of technological and physicochemical characteristics of optical glasses for a light-guiding core. Compositions ...
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32.
Current problems of high-transparent glass production
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(Science for glass production)
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The conditions for obtaining highly transparent glasses are considered. Data on the effect of coloring impurities and additives on the optical and spectral properties of glasses are presented. The role ...
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33.
Formation of the aluminum nitride-based reinforced ceramic
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(Science for ceramic production)
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The mechanism of the formation process of aluminum nitride ceramics with a fibrous structure is investigated. The possibility of isomorphic substitution in the aluminum lattice by Si, Mg, Ca, Y atoms and ...
