CHEMISTRY, PHYSICS AND ECOLOGY

SONOCHEMICAL SYNTHESIS OF FATTY ACIDS ESTERS FOR PLASTIC`S BIO-ADDITIVES WITH PLASTICIZING EFFECT
Dragomir Vassilev 1, Nadezhda Petkova 2, Dobromira Yaneva 1, Panteley Denev 2
1 Technical University of Gabrovo, Gabrovo, Bulgaria
2 University of Food Technologies, Plovdiv, Bulgaria


THEORETICAL CHARACTERIZATION OF A IMIDAZOPHENANTHROLINE DERIVED LIGAND BY THE DENSITY FUNCTIONAL METHOD
Gühergül Uluçam
Chemistry Department, Faculty of Science, Trakya University, 22030 Edirne, Turkey


SPATIO-TEMPORAL SULPHATE ACCUMULATIONS IN WATER OF FELENT STREAM (KÜTAHYA, TÜRKİYE)
Cem Tokatlı 1, Esengül Köse 2, Fikret Ustaoğlu 3
1 Trakya University, Edirne, Turkey
2 Eskişehir Osmangazi University, Eskişehir, Turkey
3 Giresun University, Giresun, Turkey


SEASONAL VARIATION OF FLUORIDE ACCUMULATIONS IN ARTIFICIAL POND WATERS ON THE GELIBOLU PENINSULA (TÜRKİYE)
Cem Tokatlı 1, Mediha Büyükgöze Dindar 1, Şirin Güner Onur 2
1 Trakya University, Edirne, Turkey
2 Altınbaş University, İstanbul, Turkey


THE HYDROSTATIC PRESSURE EFFECT ON THE NORMALIZED INTRADONOR TRANSITION ENERGY IN A GAAS/GA1-XALXAS SPHERICAL QUANTUM DOT
A.I. Mese
Department of Physics, Trakya University, Edirne 22030, Turkey


THE EFFECT OF TEMPERATURE ON THE SELF-POLARIZATION IN AN INFINITE GaAs/AlAs CYLINDRICAL QUANTUM WELL-WIRE
Engin CİCEK
Trakya University, Science Faculty Physics Department Edirne, Turkey


THE PRE-WELL POTENTIAL AND CENTRAL WELL WİDTH EFFECTS ON A RESONANT TUNNELLING DIODE UNDER LASER FIELD
Hulya KES
Department of Physics, Faculty of Science, Trakya University, 22030 Edirne, Turkey


OPTICAL AND ELECTRONIC PROPERTIES OF COAXIAL SQUARE QUANTUM WELL WIRES AND FIELD EFFECTS
Saban Aktas, Figen Karaca Boz, Sevket Erol Okan
Department of Physics, Faculty of Science, Trakya University, 22030 Edirne, Turkey


EFFECT OF Ge-DOPING POSITION ON THE ELECTRONIC BAND STRUCTURE OF InP NANOWIRE
Sena Guler Ozkapi
Trakya University, Edirne Vocational School of Technical Sciences, 22030, Edirne, Türkiye


STRUCTURE, MORPHOLOGY AND HARDNESS OF A WAAM BUILT AL99.7 SPECIMEN

Georgi Kotlarski 1, Maria Ormanova 1, Alexander Nikitin 2, Ralf Ossenbrink 2, Nikolay Doynov 2,3, Stefan Valkov 1,4, Vesselin Michailov 2
1 Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, 1784 Sofia, Bulgaria
2 Department of Joining and Welding Technology, Brandenburg University of Technology, Platz der Deutschen Einheit 1, 03046 Cottbus, Germany
3 Institute of Metal Science, equipment, and technologies with Center for Hydro- and Aerodynamics, Bulgarian Academy of Sciences, 67 Shipchenski prohod Blvd., 1574 Sofia, Bulgaria
4 Faculty of Mathematics, Informatics, and Natural Scineces, Technical University of Gabrovo, 4 H. Dimitar Str., 5300 Gabrovo, Bulgaria


THE STRUCTURE PARAMETER EFFECTS ON THE ELECTRONIC AND OPTICAL PROPERTIES OF GAUSSIAN SHAPED DOUBLE QUANTUM WELLS UNDER ELECTRIC FIELD
Sevket Erol OKAN, Figen Karaca BOZ, Saban AKTAS
Department of Physics, Faculty of Science, Trakya University, 22030 Edirne, Turkey


ENERGY STATES IN A CERTAIN TYPE COAXIAL GAAS/ALxGA1-xAS QUANTUM WELL WIRES AND ELECTRIC AND MAGNETIC FIELD EFFECTS
Abdullah BİLEKKAYA
Trakya University, Edirne Vocational College of Technical Sciences, 22030 Edirne, Turkey


WELDING OF TITANIUM AND ALUMINUM ALLOYS USING OSCILLATING ELECTRON BEAM AND NIOBIUM FILLER
Darina Kaisheva 1,2, Borislav Stoyanov 3, Vladimir Dunchev 3, Georgi Kotlarski 1, Maria Ormanova 1, Stefan Valkov 1,3
1 Academician Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chausse Blvd, 1784 Sofia, Bulgaria
2 South-West University „Neofit Rilski“, 66 Ivan Michailov Str., 2700 Blagoevgrad, Bulgaria
3 Technical University of Gabrovo, 4 H. Dimitar Str., 5300 Gabrovo, Bulgaria