Mathematics and mechanics

The kinetics of cocci bacteria sedimentation in a gravitational field: a quantitative analysis and assessment of the self-purification potential of wastewater

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Research article

Кондратенко А. С.0000-0002-2361-5249

Kondratenko A. S.

https://doi.org/10.60797/IRJ.2026.167.81

DOI:

https://doi.org/10.60797/IRJ.2026.167.81

EDN:

OJMUCN

Suggested:

07.04.2026

Accepted:

24.04.2026

Published:

18.05.2026

Issue: № 5 (167), 2026

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

134

EXACT SOLUTIONS IN THE THEORY OF NONLINEAR LONG WAVES IN FLUIDS WITH VORTEXES AND PRESSURE

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Research article

Тимченко Т. В.
Краснослободцева Т. П.0000-0002-5435-2023

Timchenko T. V.
Krasnoslobodtseva T. P.

https://doi.org/10.60797/IRJ.2026.165.87

DOI:

https://doi.org/10.60797/IRJ.2026.165.87

EDN:

ZRAWXE

Suggested:

02.02.2026

Accepted:

27.02.2026

Published:

17.03.2026

Issue: № 3 (165), 2026

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

565

ON THE DERIVATION OF LIMITS FOR HIGHER-ORDER DERIVATIVES OF THE QUADRATIC LYAPUNOV FUNCTION

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Research article

Антоновская О. Г.0000-0002-5688-7996
Бесклубная А. В.

Antonovskaya O. G.
Besklubnaya A. V.

https://doi.org/10.60797/IRJ.2026.167.71

DOI:

https://doi.org/10.60797/IRJ.2026.167.71

EDN:

HJRRTN

Suggested:

25.01.2026

Accepted:

23.04.2026

Published:

18.05.2026

Issue: № 5 (167), 2026

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

113

ON THE APPLICATION OF LYAPUNOV'S QUADRATIC FUNCTIONS WITH GIVEN PROPERTIES FOR STUDYING THE STABILITY OF LAGGING SYSTEMS

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Research article

Антоновская О. Г.0000-0002-5688-7996
Бесклубная А. В.

Antonovskaya O. G.
Besklubnaya A. V.

https://doi.org/10.60797/IRJ.2026.165.20

DOI:

https://doi.org/10.60797/IRJ.2026.165.20

EDN:

FJMCGM

Suggested:

03.12.2025

Accepted:

18.02.2026

Published:

17.03.2026

Issue: № 3 (165), 2026

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

578

Synthesis of spherical vaterite during the crystallisation of calcium carbonate in the presence of albumen

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Research article

Степанова А. А.
Панова Т. В.0009-0004-4725-1146

Stepanova A. A.
Panova T. V.

https://doi.org/10.60797/IRJ.2025.160s.37

DOI:

https://doi.org/10.60797/IRJ.2025.160s.37

EDN:

UOMZBF

Suggested:

25.08.2025

Accepted:

31.08.2025

Published:

24.10.2025

Issue: № 10 (160) S, 2025

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

772

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