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Toplam kayıt 434, listelenen: 21-30
Approximation to derivatives of functions by linear operators acting on weighted spaces by power series method
(Springer New York LLC, 2016)
In this chapter, using power series method we study some Korovkin type approximation theorems which deal with the problem of approximating a function by means of a sequence of linear operators acting on weighted spaces. © ...
Oleylamine surface functionalized FeCoyFe2- yO4 (0.0≤y≤1.0) nanoparticles
(Elsevier B.V., 2016)
In this study, oleylamine (OAm) capped FeCo y Fe2- y O4 (0.0≤y≤1.0) nanocomposites (NCs) were prepared via a polyol route. Effect of Co3+ ion substitution on structure, morphology and magnetic properties of Fe3O4 nanoparticles ...
Manganese/yttrium codoped strontium nanohexaferrites: Evaluation of magnetic susceptibility and mossbauer spectra
(MDPI AG, 2019)
Abstract: Manganese (Mn)- and yttrium (Y)-substituted Sr-nanohexaferrites (MYSNHFs) of composition Sr1_xMnxFe12_xYxO19 (with 0.0 ≤ x ≤ 0.5) were prepared by citrate sol-gel autocombustion method. As-prepared MYSNHFs were ...
Elastic, mechanical and phonon behavior of wurtzite cadmium sulfide under pressure
(MDPI AG, 2017)
Cadmium sulfide is one of the cutting-edge materials of current optoelectronic technology. Although many theoretical works are presented the for pressure-dependent elastic and related properties of the zinc blende crystal ...
Theoretical analysis of elastic, mechanical and phonon properties of wurtzite zinc sulfide under pressure
(MDPI AG, 2017)
We report for the first time the application of a mixed-type interatomic potential to determine the high-pressure elastic, mechanical, and phonon properties of wurtzite zinc sulfide (WZ-ZnS) with geometry optimization ...
Temperature effects explain continental scale distribution of cyanobacterial toxins
(MDPI AG, 2018)
Insight into how environmental change determines the production and distribution of cyanobacterial toxins is necessary for risk assessment. Management guidelines currently focus on hepatotoxins (microcystins). Increasing ...
Normal extensions of a singular differential operator on the right semi-axis
(Eurasian Mathematical Journal, 2014)
In this work, based on the method of Everitt-Zettl and using the Calkin-Gorbachuk method, all normal extensions of the minimal operator generated by a linear singular formally normal differential-operator expression of the ...
Open book decompositions of links of quotient surface singularities and support genus problem
(American Institute of Mathematical Sciences, 2019)
Abstract: In this paper we write explicitly the open book decompositions of links of quotient surface singularities supporting the corresponding unique Milnor fillable contact structure. The page-genus of these Milnor open ...
Temperature-dependent band gap characteristics of Bi12SiO20 single crystals
(American Institute of Physics Inc., 2019)
Bi12SiO20 single crystals have attracted interest due to their remarkable photorefractive characteristics. Since bandgap and refractive index are related theoretically to each other, it takes much attention to investigate ...
Co-substitution of zirconium and neodymium on hyperfine interactions and AC susceptibility of SrFe12O19 nanohexaferrites
(Chinese Society of Rare Earths, 2019)
This study presents the influence of Zn and Nd co-substitution on structure, morphology, AC suscepti-bility and ZFC-FC magnetizations of Sr nanohexaferrites (NHFs), SrFe12xðZn;NdÞxO19(0.0 x 1.0),which was produced by sol-gel ...