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THE HISTORY OF THE FIRST RUSSIAN STEAM-POWERED PIANO FACTORY "C. M. SCHRÖDER" — THE LENINGRAD FACTORY OF SMALL MUSICAL INSTRUMENTS NAMED AFTER A. V. LUNACHARSKY: FROM THE FIRST KEY TO THE LAST CHORD

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Research article

DOI:

https://doi.org/10.60797/IRJ.2026.166.22

EDN:

DCPVON

Suggested:

28.03.2026

Accepted:

13.04.2026

Published:

17.04.2026

Issue: № 4 (166), 2026

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

342

GIS technologies in the assessment of element migration in anthropogenic soils during gas production

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Research article

Pyzhyanov D. I.

Sarapulova G. I.

DOI:

https://doi.org/10.60797/IRJ.2026.166.23

EDN:

QRZZDL

Suggested:

27.03.2026

Accepted:

08.04.2026

Published:

17.04.2026

Issue: № 4 (166), 2026

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

188

A STUDY OF THE HYDRAULIC CONDITIONS AT AN INDUSTRIAL FACILITY UNDERGOING MODERNISATION IN ZABAYKALSKY KRAY

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Research article

Ivanov S. A.

Tuzov A. V.

DOI:

https://doi.org/10.60797/IRJ.2026.166.98

EDN:

VODJTP

Suggested:

24.03.2026

Accepted:

08.04.2026

Published:

17.04.2026

Issue: № 4 (166), 2026

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

178

A practice-oriented digital resource in the Moodle LMS: experience in teaching organic chemistry

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Research article

DOI:

https://doi.org/10.60797/IRJ.2026.166.97

EDN:

ZWZCIA

Suggested:

22.03.2026

Accepted:

07.04.2026

Published:

17.04.2026

Issue: № 4 (166), 2026

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

156

From linguistics to cultural semiotics: the philosophical potential of Ferdinand de Saussure’s theory

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Research article

Melikhova M. S.

Lutkina A. S.

DOI:

https://doi.org/10.60797/IRJ.2026.166.24

EDN:

HURAXX

Suggested:

20.03.2026

Accepted:

07.04.2026

Published:

17.04.2026

Issue: № 4 (166), 2026

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

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