10 Result(s)

Article

Critical Conditions of Self-Ignition at Bifurcation Points

The results of the main research in the field of self-ignition theory are summarized. For symmetrical vessels, the following are presented: critical conditions of spontaneous ignition in dimensional coordinate...

A. A. Philippov, Academician A. A. Berlin in Doklady Physics (2023)

Article

Synthesis of Polyfunctional Oligoetherdiols Based on Allyl Glycidyl Ether

The bromination reaction of oligoetherdiol derived from allyl glycidyl ether by two procedures has been studied. It has been shown that one procedure provides monohydroxy conpounds and compounds containing no ...

T. V. Grinevich, M. L. Pridatchenko, D. B. Vinogradov, P. V. Bulatov… in Doklady Chemistry (2022)

Article

A Mathematical Theory of Ignition by an Incandescent Surface

In the theory of ignition, the criterion obtained by Ya.B. Zeldovich in 1939, which made it possible to calculate the parameters of some ignition processes approximately, became widely known. In 1984, one of t...

A. A. Filippov, Academician A. A. Berlin in Doklady Physics (2022)

Article

A Heterogeneous Photosensitizer Based on Zinc Oxide for Photo Cleaning of Aquatic Media

A new composite material based on zinc oxide photosensitized to daylight with an organic dye of the phthalocyanine group has been proposed. The photoactivity of the material obtained and the effectiveness of i...

Yu. A. Nikitaev, G. P. Kuznetsov, I. G. Assovskiy… in Doklady Physics (2021)

Article

Fibrillar Biocomposite Based on Poly(3-hydroxybutyrate) Nanofibers and Iron Oxide Magnetic Nanoparticles

Novel biodegradable biocomposites based on poly(3-hydroxybutyrate) nanofibers with embedded iron oxide nanoparticles enriched with ⁵⁷Fe isotope have been studied by transmission electron microscopy (TEM), Mössbau...

V. E. Prusakov, Yu. V. Maksimov, V. I. Beglov… in Doklady Physical Chemistry (2019)

Article

Photopurification of Aquatic Media by Heterogeneous Photosensitizers

A new material consisted of titanium dioxide microparticles photosensitized by organic dyes for generating the photodynamic effect is proposed and tested. The efficiency of using such a material for photopurif...

Yu. A. Nikitaev, I. G. Assovskiy, Academician A. A. Berlin in Doklady Physics (2019)

Article

New Fibrillar Composites Based on Biodegradable Poly(3-hydroxybutyrate) and Polylactide Polyesters with High Selective Absorption of Oil from Water Medium

Ultrafine polyester fibers composed of poly(3-hydroxybutyrate), polylactide, and their various blends were obtained by electrospinning. The fibers were shown to have high absorption capacity towards oil, which...

A. L. Iordanskii, N. A. Samoilov, A. A. Olkhov, V. S. Markin… in Doklady Physical Chemistry (2019)

Article

Types of Steady States of a Continuous Stirred-Tank Reactor: Liquid–Liquid Heterogeneous System

The topology and stability of steady states of a continuous stirred-tank reactor were studied for a liquid–liquid heterogeneous system in which an exothermic reaction occurs. It was shown that the heat of the ...

N. G. Samoilenko, E. N. Shatunova, K. G. Shkadinskii… in Doklady Physical Chemistry (2019)

Article

Formation of Nanoscale Sodium Dodecahydro-closo-Dodecaborate Na₂[B₁₂H₁₂] on the Surface of a Silicate Matrix

The method of synthesis of nanoscaled sodium dodecahydro-closo-dodecaborate Na₂[B₁₂H₁₂] is presented. The desired product has been prepared by heating to 200°C the composite formed by the introduction of the trie...

E. A. Malinina, V. K. Skachkova, I. V. Kozerozhets, V. V. Avdeeva… in Doklady Chemistry (2019)

Article

Criterion of the appearance of diamond-shaped pores in dispersely filled polymers

S. L. Bazhenov, O. A. Serenko, I. L. Dubnikova, Academician A. A. Berlin in Doklady Physics (2003)