Table of conTenTsDetermination of the kinetic parameters of thermal degradation of high density polyethylene films containing iron (III) acetylacetonate by the isoconversion methodMariana Tavlieva, Dimitrina Kiryakova, Atanas Atanassov...............................................................................................871

A study on thermal and rheological cure characterization of a sulfur-containing epoxy resinOmar Dagdag, Mehdi El Bouchti, Omar Cherkaoui, Othman Hamed, Mustapha El Gouri, Saîd Dagdag, Ahmed El Harfi................................................................................................................881

Dielectric properties study of epoxy resin modified with tetraethoxysilane and tetrapropoxysilane in centimeter microwave rangeVladimir Yu. Chukhlanov, Oleg G. Selivanov, Natalia V. Chukhlanova..............................................................................889

Synthesis and investigation of pentaglycidyl ether pentaphenoxy phosphoric polymer and formulation of nanocomposite (PGEPPP/MDA/TiO2)Rachid Hsissou, Mohamed Berradi, M’hammed Grich, Hanane Bahaj, Mehdi El Bouchti, Mohammed Khudhair, Hicham Es-sahbany, Mohamed Rafik, Ahmed Elharfi.....................................................................893

Mathematical modeling of the thermomechanical destruction process of elastomers treated with ionizing radiationAnatoly K. Pogodaev, Sergey G. Tikhomirov, Olga V. Karmanova, Semen L. Podvalny, Anatoly A. Khvostov, Andrey V. Karmanov......................................................................................................................902

Study on the physical and mechanical performance of biodegradable polyamide6/ethyleneoctene nanoclay reinforced nanocompositeHamid Reza Movahed, Nooredin Goudarzian, Seyyed Mojtaba Mousavi, Seyyed Alireza Hashemi, Ali Rostamyar...................................................................................909

Comparison of mathematical models describing mushroom (Amanita caesarea) dryingMiroslava Teneva Ivanova, Nedyalko Todorov Katrandzhiev, Lilko Kamenov Dospatliev, Penko Kolev Papazov.............................................................................................................920

Effect of doping of TiO2 nanoparticles with silver on their photocatalytic activities toward degradation of E 131 VF Georgette Charbel Estephane, Mouhiaddine Mohamed El Jamal........................................................................................926

Facile synthesis of reduced graphene oxide-supported Pd/CuO nanoparticles as an efficient catalyst for cross-coupling reactions Hany A. Elazab, M.A. Sadek, Tamer T. El-Idreesy..............................................................................................................934

Investigation of electrochemical behavior of new hemorphin-5 analogueStela Georgieva, Petar Todorov, Petia Peneva........................................................................................................................947

Extraction of valuable compounds from Bulgarian St. John’s wort (Hypericum perforatum L.). Antioxidant capacity and total polyphenolic content Ralitsa Chimshirova, Maria Karsheva, Svetlomir Diankov, Ivaylo Hinkov........................................................................952

Selective adsorption of thiophene and its polyaromatic derivatives from fuels on pyrolyzed rice husks: A thermodynamic studySnejanka Uzunova, Ivan Uzunov, Genoveva Atanasova, Daniela Angelova, Ivan Ivanov...............................................962

Effect of magnetic field on cellulose refining process and strength propertiesDimitrina Todorova, Kiril Dimitrov.....................................................................................................................................978

Wheat straw solvolysis delignificationIryna Trembus, Vita Halysh.................................................................................................................................................986

Journal of Chemical Technology and Metallurgy, 54, 5, 2019

Journal of Chemical Technology and Metallurgy, 54, 5, 2019

The estimation of the efficiency of mine water stabilization treatment methods during evaporation (M. Gorky mine, Donetsk C.)Tatiana Overchenko, Olena Ivanenko, Iryna Trembus, Svitlana Frolenkova, Viktorya Vorobyova.....................................993

An influence of modifying acids on clinoptilolite composition and structure Kairat A. Kadirbekov, Dauren K. Zhambakin, Almaz K. Kadirbekov,

Kylysh I. Imanbekov, Ainur K. Shakirova, Zamira K. Bayakhmetova...............................................................................999

Calcareous clays: phase composition and adsorption capacity for heavy metal ionsIrena Mihailova, Paunka Vassileva, Dimitar R. Mehandjiev..............................................................................................1009

Assessment of leachate and soil contamination with heavy metals around deposit sites in Podujeva and PrizrenTafë Veselaj, Rifat Morina, Valdet Gashi, Fatbardh Sallaku.................................................................................................1020

Development of reliable building bricks incorporating olive-mill wastewater focusing on thermal insulation and energy savingsXenofon Spiliotis, Vayos Karayannis, Stelios Lamprakopoulos, Stefanos Zaoutsos, George Papapolymerou.................1028

Acoustic and optical properties of Ag4SSe.2PbTeGergana Alexieva, Anna Amova.........................................................................................................................................1035

Factors controlling magnetic properties of CoFe2O4 nanoparticles prepared by contact low-temperature non-equilibrium plasma methodLilya A. Frolova, Alona V. Derimova.................................................................................................................................1040

Slag quantity minimization in the pyrometallurgical production of anode copperDimitar Borisov.....................................................................................................................................................................1047

Research of the leaching process of industrial waste of titanium production with nitric acidAzamat Yessengaziyev, Almagul Ultarakova, Bagdaulet Kenzhaliyev, Peter C. Burns....................................................1061

Phosphatizing of mild steel in zinc-manganese-nickel phosphates in different correlationsDimka Ivanova...................................................................................................................................................................1072

Impact of nanomodifying compositions on the corrosion characteristics of cast iron grade GG25Vanya Dyakova, Yoanna Kostova, Gergana Burdin..........................................................................................................1079

Simulation of radial-shear rolling of austenitic stainless steel AISI-321Abdrakhman B. Naizabekov, Sergey N. Lezhnev, Alexandr S. Arbuz, Evgeniy A. Panin, Toncho A. Koinov...................1086

Analysis of parameters affecting the plastic deformation behavior in austenitic stainless steel pipesAndrea Di Schino..............................................................................................................................................................1095

Decision support system for condition based maintance of steel casting ladlesIvanka Petrova, Emil Mihailov, Kosta Boshnakov.............................................................................................................1103

A strip cooling process representation on the basis of radial basis neural networksIrina А. Sedykh, Vladimir А. Istomin, Igor P. Mazur.........................................................................................................1114

Guide for Authors..................................................................................................................................................................1119