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Chapter and Conference Paper
The Helium Abundance in the Envelopes of the Bluest RR Lyrae Stars in Globular Clusters and Dependence of Globular Cluster Variable Star Properties on Chemical Composition
The helium abundance Y in the envelopes of RR Lyrae stars in globular clusters has been estimated. The values of Y range from 0.07 to 0.59. The properties of variable stars in globular clusters of two types disti...
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Article
Stabilized ring laser for measuring gas flows
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Article
Crystal and molecular structure of p-hydroxyphenyldiazo-(N,N′,N″-tripiperidyl) phosphonium
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Article
Stabilizing a gas discharge laser with an external absorption cell under modulated operation
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Article
A new photometricWBVR system
The new photometric systemWBVR was described. It is close toUBVR but is defined by strictly fixed response curves and the secondary standards distributed uniformly in the northern sky was construct. The magnitude...
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Article
Direct measurement of small nonlinearities of the piezomodulator in the He-Ne laser
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Article
Transformation of spatial modulation of a light field into amplitude modulation in the interaction of a superposition of transverse modes of a He-Ne laser with iodine-127 vapors
The observation of “spatial-modulation” resonances of saturated absorption in the interaction of iodine-127 vapors with a superposition of frequency-nondegenerate TEM01 and TEM10 transverse modes of a linear lase...
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Article
Observation of a symmetrical lamb dip for a He-Ne laser with a natural mixture of neon isotopes
Lamb dip, which manifests itself in the second mixed derivative of the laser power with respect to the pump and the radiation frequency, is shown to be free from the main asymmetric component that stems from t...
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Article
Saturated dispersion resonance observed in the width of a He-Ne laser beam with an intracavity neon cell
A narrow dispersion-like resonance is found in the width of the beam of a He-Ne laser with an intracavity neon cell. The width of the beam was determined by measuring the difference between the power in its ax...
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Article
Manufacture of Granulated Chitosan
Conditions for dry-wet spinning of spherical chitosan granules 0.5–2.0 mm in diameter into a two-layer spinning bath consisting of immiscible liquids are proposed, where an organic liquid, decane in particular...
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Article
Synthesis and physicochemical study of NiII complexes with tetradentate acyclic and macrocyclic N2S2 ligands as thiosalen analogs
N,N’-Polymethylenebis(thiosalicylidene)iminate and macrocyclic dithiadiazadibenzocycloalkadiene complexes of nickel(II) were synthesized and their electrochemical and spectroscopic properties were studied. Dithi...
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Article
Preparation of biodegradable porous films for use as wound coverings
We studied the preparation of polymeric films formed from solutions of poly-3-hydroxybutyrate and poly-ε-caprolactone in chloroform and methylene chloride. A morphological study of film chips (electron microsc...
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Article
Reasons for unstable viscous properties of chitosan solutions in acetic acid
A decrease in the molecular mass of chitosan as a result of polymer degradation during storage of its acetic acid solutions has been simulated by means of mixing of chitosan fractions with different molecular ...
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Article
One-pot process in phosphonium-iodonium ylides: nucleophilic substitution and the Wittig reaction
The nucleophilic substitution in mixed phosphonium-iodonium ylides was investigated. The iodonium group is replaced by such S-containing nucleophiles as the thiocyanate anion or thiourea, as well as by halide ...
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Article
Initiated pseudo-[3+2] cycloaddition of mixed phosphonium-iodonium ylides to acetonitrile
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Article
Cross-identification of large surveys for finding interstellar extinction
The publication of large photometric surveys and the tools for the cross-identification of their objects open up a possibility for obtaining multicolor photometry of hundreds of millions of objects. This, in t...
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Article
Phase equilibria of poly(ɛ-caprolactone)-co-poly(acryl methacrylate)-methylene chloride systems and the phase structure of polymer binary mixtures
Isothermal cross sections of amorphous separation diagrams of the ternary systems poly(ɛ-caprolactone)-co-poly(acryl methacrylate) Eudragite RS-methylene chloride and poly(ɛ-caprolactone)-co-poly(acryl methacryla...
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Article
Supercritical fluid micronization of risperidone pharmaceutical substance
A comparative study of the supercritical fluid micronization of risperidone pharmaceutical substance with an initial particle size of 50 to 100 μm by the RESS and SAS methods aimed at increasing the bioavailab...
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Article
Structure determination of bis{(4Z)-1-(2-azidoethyl)-4-[(pyridin-2-yl)methylidene]-2-thiolatoimidazol-5(4H)-one}dicopper chloride from X-ray powder diffraction data
The new tridentate organic N2S-type ligand, (4Z)-1-(2-azidoethyl)-4-[(pyridin-2-yl)-methylidene]-2-thioxoimidazol-5(4H)-one (LH), was synthesized. The reaction of LH with copper(II) chloride in a CH2Cl2/MeOH mixt...
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Article
The LYRA-B space experiment: Goals and principles for its realization
We describe goals and principles for the realization the Lyra-B space experiment onboard the International Space Station, which is currently being prepared at the Sternberg Astronomical Institute. The main goa...
