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CONTENTS / СЪДЪРЖАНИЕ

 

NUMERICAL MODELING OF WELDED RIGID BEAM-COLUMN CONNECTIONS AT MULTI-STOREY STRUCTURES
Trajanoska B., G. Arsova-Miloshevska, Z. Bogatinoski .................................. 3

HIGH VOLTAGE ELECTRIC PULSE WELDING OF TITANIUM WITH STAINLESS STEEL
Grigoryev E. ........................................................................... 8

THE CHOICE BETWEEN PRODUCTION OF LEAD SELECTIVE CONCENTRATE OR RECOVERY OF LEAD AND ELEMENTAL SULPHUR FROM GALENITE DOMESTIC ORES
Golomeov B., B. Krstev, M. Golomeova, Al. Krstev ........................................... 11

THEORETICAL ASPECTS OF APPLICATION OF ENGINEERING VALUE ANALYSIS TO EVALUATION OF DESIGN PRODUCTS
Georgieva B. ..................................................................................... 14

METHODOLOGICAL PRINCIPLES OF SERIOUS GAMES
Orloev N., H. Beloev, K. Enimanev, Y. Vassilev, K. Dzhurov ................................ 18

STUDY OF V-SHAPED SPECIMEN CONCENTRATION EFFECT UPON STRESS GRADIENT
Dimova B. V. Vesselinova-Guteva .................................................. 22

INFORMATIONAL SUPPORT OF CARRYING OUT EXPERIMENTS ON PRODUCING NANO-COVERINGS
Kopytov E., V Labendik, S. Yunusov, A. Urbach, K. Savkov ...............................26

OPPORTUNITIES FOR APPLICATION OF ADVANCED CAD-CAM SYSTEMS AND CNC MACHINES FOR PRECISE PROCESSING OF REGULAR RELIEFS ON EXTERNAL PLANAR AND CYLINDRICAL SURFACES OF MACHINED PARTS
Slavov S. .......................................................................................... 29

MODELING AND INVESTIGATION OF HEAT TREATMENT PROCESSES BY FINITE ELEMENT METHOD
Shtarbakov V. ............................................................................. 33

FORMATION OF CERIUM-CONTAINING CONVERSION COATINGS ON ALUMINIUM AND ITS ALLOYS AS ALTERNATIVE TO CHROMATE (Cr6+) CONVERSION COATINGS
Stoyanova E. R. Andreeva, D. Guergova, D. Stoychev …………………………… 38

INFLUENCE OF THE CONDITIONS FOR DEPOSITION ON MECHANICAL PROPERTIES OF CHEMICALLY DEPOSITED THIN COBALT LAYERS
Cherneva S. M. Stoycheva, R. Iankov, D.Stoychev ………………………………… 41

IMPROVEMENT OF HOLLOW GEAR WHEEL DESIGN
Ivanov V., D. Karaivanov, D. Kryzhny ………………………………………………………………… 45

FLOW DIAGRAMS OF THE TECHNOLOGY HIERARCHY
Dineff P. ……………………………………………………………………………………………… 49

HELIUM ATMOSPHERIC PRESSURE-DIELECTRIC BARRIER DISCHARGE IN DIODE CO-PLANAR PLASMATRON
Dineff P., D. Gospodinova, M. Shopov ............................................................... 56

PLASMATRON OPERATION MODES WITH HELIUM ATMOSPHERIC PRESSURE DIELECTRIC BARRIER DISCHARGE
Dineff P.Ph.D., D. Gospodinova, M. Shopov ……………………………………………… 62