Vol. 61 No. 5 (2026)

Published: 2026-09-02

Articles

A NEW METHOD FOR CONVERSION WASTE BIOMASS INTO USEFUL PRODUCTS WITH WIDE APPLICATION POSSIBILITIES

Ivanka Stoycheva, Bilyana Petrova, Nartzislav Petrov, Boyko Tsyntsarski, Angelina Kosateva, Bogdan Ranguelov, Pavlina Dolaska

763-774
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EFFECT OF ULTRASONIC TREATMENT AND CALCINATION TEMPERATURE OF RICE HUSK ASH ON THE CHARACTERISTICS OF SILICA-CHITOSAN COMPOSITES

Ani Purwanti, Fajar Yulianto Prabowo

775-784
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DETERMINATION OF OPTIMAL CINNAMON POWDER LEVEL IN BISCUITS USING MULTIVARIATE ANALYSIS AND EXPERIMENTAL VALIDATION

Vesela Yoveva, Mariya Menkinoska, Mariya Gospodinova, Stanka Baycheva, Zhivka Goranova, Zlatin Zlatev

785-798
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STUDY OF THE SOLUBILITY OF THE CALCIUM CHLORATE - TRIETHANOLAMMONIUM MONOCHLOROACETATE - WATER SYSTEM

Kakhramon Turayev, Dilorom Kuyliyeva, Sarvigul Khojanazarova, Ruzimurod Jurayev, Murodjon Samadiy, Abbos Elmanov, Adham Norkobilov, Abdulaziz Sidikov, Jamshid Shukurov, Bakhrom Kucharov, Dilnoza Makhkamova, Eldor Husanov, Jamshid Bobojonov, Akhat Togasharov

799-806
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LONG-TERM PLANT MICROBIAL FUEL CELL USING ELEOCHARIS PALUSTRIS

Gergana Peevа, Ralitza Koleva

807-812
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KINETIC MODELLING OF BORONIZING KINETICS OF THE SVERKER 3 STEEL WITH THE TAYLOR EXPANSION MODEL AND DIMENSIONAL ANALYSIS

Katia Benyakoub, Mourad Keddam, Brahim Boumaali

813-822
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INFLUENCE OF SOLUTION pH ON SLAKE DURABILITY AND CHEMICAL WEATHERING OF GRANITE: AN ASSESSMENT USING CIA AND PIA INDICES

Ajay Agarwal, Nikhil Sirdesai, Rahul Katre

823-830
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STUDY OF THE CHARACTERISTICS OF MICROSILICA DUST GENERATED DURING FERROSILICON PRODUCTION

Doniyor Kholikulov, Shokhrukh Khojiev, Olmos Boltayev, Odiljon Abdurakhmonov, Saidalokhon Mutalibkhonov, Ikromjon Shaymanov

831-840
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INFLUENCE OF GRAPHENE OXIDE ON THE PROPERTIES OF POLYPROPYLENE NANOCOMPOSITES

Petranka Naydenova-Marinova, Vasil Samichkov

841-846
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THE INFLUENCE OF STEEL SLAG AND NANOCLAY ADDITIVES ON THE MECHANICAL AND DURABILITY PERFORMANCE OF UNSATURATED POLYESTER GYPSUM BASED COMPOSITES

Ahmad Mousa

847-856
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CANTILEVER BENDING AND COMPRESSION PERFORMANCE OF HYBRID COMPOSITE LOAD - BEARING ARMS FOR UNMANNED AERIAL VEHICLES

Stanislav Slavov, Rumen K. Krastev, Vasil Kavardzhikov

857-864
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DEVELOPMENT OF SPARK PLASMA SINTERED ALUMINIUM-NICKEL-COPPER (I) OXIDE METAL MATRIX COMPOSITE

Taiwo Apara, Adeolu Adediran, Emmanuel Ajenifuja, Fatai Aramide, Bamidele Ogunsemi, Adesola Satimehin

865-875
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EXAMPLES OF IMPLEMENTATION OF ENERGY-CONSERVATION APPROACHES IN OIL AND GAS PROCESSING

Lyubov Taranova, Andrey Mozyrev, Evgeny Zemlyansky, Mikhail Zhdanovich, Andrei Kasperovich

877-885
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ASSESSMENT OF PROSPECTS FOR IMPROVING BLAST FURNACE TECHNOLOGY FOR CO2 EMISSIONS

Bogdan Kornilov, Oleksii Chaika, Oleksii Merkulov, Andrii Moskalyna, Michael Alter, Iryna Muravyova, Artem Chaika

887-897
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GERMANY’S INDUSTRIAL TRANSFORMATION: ADVANCING THE CIRCULAR ECONOMY

Petya Romanova, Dilyana Dimitrova

899-902
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BEHAVIOUR OF THE AlCoCr0.5NiY0.1 MULTI-PRINCIPAL ELEMENT ALLOY AT 1100°C

Olga Samoilova, Svetlana Pratskova, Arman Bilgenov, Natalja Shaburova, Evgeny Trofimov, Sergey Lezhnev, Evgeniy Panin

903-909
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COMPUTER SIMULATION OF THE COMBINED ROLLING-EXTRUSION PROCESS FOR OBTAINING RODS FROM ALUMINIUM ALLOY 7075

Andrey Parubok, Denis Voroshilov, Mikhail Motkov, Alexander Durnopyanov, Sergey Sidelnikov, Evgeniy Panin, Igor Konstantinov, Marina Voroshilova, Olga Novikova, Dmitriy Shakin, Danila Golosov

911-917
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STUDY OF WEAR RESISTANCE OF METAL ALLOY 100Cr6 AS A RESULT OF VARIOUS HEAT TREATMENT MODES

Boyan Yordanov, Iliyan Mitov, Todor Todorov, Rositsa Gavrilova

919-926
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