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Vol. 3 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 3
Vol. 3 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 3
Published:
2019-06-20
Full Issue
FULL ISSUE
TITLE
SCIENTIFIC COMMITTEE
CONTENTS
Engineering Sciences and Production Technologies
PRECISION MICROMACHINING OF METALS BY CUBR LASER
Ivaylo Balchev, Lyubomir Lazov, Edmunds Teirumnieks
13-17
PDF
VISUALIZATION APPROACHES FOR STIRRED TANK BIOREACTORS
Armands Bušs, Normunds Jēkabsons, Artūrs Šuleiko, Dagnija Loča, Juris Vanags
18-23
PDF
COMBINED TECHNOLOGY OF ELECTRO-SPARK ALLOYING AND THERMAL DIFFUSION BORIDING OF STEEL
Vladimir Dashkevich, Yulia Usherenko, Victor Ivashko, Igor Matvienko
24-26
PDF
METHOD FOR MEASURING MOTION PARAMETERS OF MOVING OBJECTS
Dimitar Dichev, Iliya Zhelezarov, Tsanko Karadzhov, Nikolay Madzharov, Dimitar Diakov
27-31
PDF
USE OF CO2 LASER FOR MARKING AND CLEARING OF TEXTILE MATERIALS FOR MANUFACTURE OF MILITARY EQUIPMENT
Nikolay Todorov Dolchinkov, Lyubomir Lazov, Jordan Shterev Ivanov, Stelena Dimitrova Lilyanova, Antons Pacejs
32-36
PDF
STUDY OF CUTTING AND LABELING OF POLYMETHYLMETHACRYLATE USING A CO2 LASER
Nikolay Todorov Dolchinkov, Lyubomir Lazov, Jordan Shterev Ivanov, Deyan Dimitrov Nedyalkov, Lyubomir Ivanov Linkov
37-40
PDF
COMPARISON OF THE LONG-TERM PROPERTIES IN COMPRESSION OF DIFFERENT SIZE FOAMED CONCRETE
Rihards Gailītis, Andina Sprince, Leonids Pakrastins, Genadijs Shakhmenko, Tomass Kozlovskis
41-44
PDF
EFFECT OF CARBON NANOTUBES ON THE ELECTRICAL PROPERTIES OF THE POLYMERIC COMPOSITES
Sergey Gango, Konstantin Gusev, Evgeniy Ilin, Mikhail Predtechensky, Vladimir Solovyev, Sergey Trifonov
45-47
PDF
STRUCTURE AND MECHANICAL PROPERTIES OF POLYMERIC COMPOSITES WITH CARBON NANOTUBES
Konstantin Gusev, Vjaceslavs Gerbreders, Andrejs Ogurcovs, Vladimir Solovyev
48-51
PDF
MODELLING AND INVESTIGATION OF THE DEPENDENCE OF SUPERHYDROPHOBIC PROPERTIES OF NANOSURFACES ON THE TOPOLOGY OF MICROCHANNELS
Sharif E. Guseynov, Jekaterina V. Aleksejeva
52-59
PDF
ON A 3D INITIAL-BOUNDARY VALUE PROBLEM FOR DETERMINING THE DYNAMICS OF IMPURITIES CONCENTRATION IN A HORIZONTAL LAYERED FINE-PORE MEDIUM
Sharif E. Guseynov, Ruslans Aleksejevs, Jekaterina V. Aleksejeva
60-69
PDF
DEVELOPMENT OF A PARAMETRIC PROGRAM FOR PROCESSING A HYPERBOLIC SURFACE ON A LATHE MACHINE
Tsvetan Kaldashev
70-73
PDF
DEVELOPING LATHES POSTPROCESSOR GENERATING CYCLES OF PROCESSING GROOVES
Tsvetan Kaldashev
74-76
PDF
METHOD FOR MEASURING ERROR ESTABLISHMENT IN 5-AXIS MILLING MACHINES WITH A TOUCH PROBE
Tsvetan Kaldashev
77-80
PDF
STUDY OF ERROR ESTABLISHMENT IN MILLING MACHINES WITH 5 AXES
Tsvetan Kaldashev, Petar Hadjiiski
81-83
PDF
INVESTIGATION ON TRIBOLOGICAL BEHAVIOR OF DUCTILE CAST IRONS WITH NANOSIZED PARTICLES
Julieta Kaleicheva, Valentin Mishev, Manahil Tongov
84-87
PDF
TRIBOLOGICAL PROPERTIES AND MICROSTRUCTURE OF ELECTROLESS NICKEL COATINGS REINFORCED WITH NANOPARTICLES
Julieta Kaleicheva, Zdravka Karaguiozova, Valentin Mishev
88-91
PDF
INVESTIGATION OF THE CORROSION BEHAVIOUR OF ALUMINIUM ALLOY IN SELECTED ENVIRONMENTS
Kalina Kamarska
92-94
PDF
SPECIAL HPERBOLIC TYPE APPROXIMATION FOR SOLVING OF 3-D TWO LAYER STATIONARY DIFFUSION PROBLEM
Ilmārs Kangro, Harijs Kalis, Ērika Teirumnieka, Edmunds Teirumnieks
95-100
PDF
CONTACTLESS MEASURING OF TEMPERATURE WITH DIFFERENTIAL PHOTO RECEIVER
Tsanko Karadzhov, Dimcho Pulov, Nikolay Angelov
101-104
PDF
FRACTAL PROPERTIES OF MICROPLASMA BREAKDOWN AND STRUCTURAL HETEROGENEITY OF SEMICONDUCTOR MATERIALS
Samuil Khanin, Antonina Shashkina
105-108
PDF
ELECTRIC ENERGY GENERATION IN AUTONOMOUS ENERGY SUPPLY MODULE HAVING ROTARY EXPANSION ENGINE
Andrei Khitrov, Alexander Khitrov, Alexander Ilyin, Yulia Domracheva, Dmitriy Fedorov
109-113
PDF
EXTRACTION OF BIOLOGICALLY ACTIVE COMPONENTS FROM FRESHWATER SAPROPEL
Aneka Klavina, Agris Auce, Ivars Vanadzins, Alise Silova, Linda Dobkevica
114-118
PDF
RESEARCH OF LASER MARKING AND ENGRAVING ON BRASS ALLOY 260
Dainis Klavins, Lyubomir Lazov, Antons Pacejs, Ritvars Revalds, Edgars Zaicevs
119-123
PDF
UNIDIRECTIONAL BRAKING ENERGY RECOVERY SYSTEM FOR ELEVATORS
Kaspars Kroics
124-128
PDF
METHOD FOR PRELIMINARY ESTIMATION OF THE CRITICAL POWER DENSITY IN LASER TECHNOLOGICAL PROCESSES
Lyubomir Lazov, Nikolay Angelov, Edmunds Teirumnieks
129-133
PDF
METHODOLOGY FOR AUTOMATIC DETERMINATION OF CONTRAST OF LASER MARKING FOR DIFFERENT MATERIALS
Lyubomir Lazov, Edmunds Teirumnieks, Nikolay Angelov, Erika Teirumnieka
134-136
PDF
PRELIMINARY NUMERICAL ANALYSIS FOR THE ROLE OF SPEED ONTO LASER TECHNOLOGICAL PROCESSES
Lyubomir Lazov, Nikolay Angelov, Edmunds Teirumnieks, Erika Teirumnieka
137-142
PDF
STUDY OF LASER CUTTING AND MARKING ON THE FILT WITH THE HELP OF A CO2-LASER
Lyubomir Lazov, Nikolay Todorov Dolchinkov, Jordan Shterev Ivanov, Madlen Nikolaeva Peneva, Denitsa Angelova Bojhanova
143-147
PDF
EXPERIMENTAL STUDIES OF ROUGHNESS BY SURFACE PLASTIC DEFORMATION ON FLAT SURFACES
Angel Lengerov
148-150
PDF
INDUCTIVE LINEAR DISPLACEMENT SENSOR IN ACTIVE MAGNETIC BEARING
Sergei Loginov, Dmitriy Fedorov, Igor Savrayev, Igor Plokhov, Andrey Hitrov, Alexander Hitrov
151-154
PDF
POWER MODEL OF IMPULSE ARC DISCHARGE GENERATION IN ACTIVE MEDIA OPTICAL PUMPING XENON LAMPS OF SOLID-STATE LASERS
Yuri Anatolievitch Mandryko, Alexander Sergeevitch Chirtsov, Vladimir Mikhailovich Mikushev
155-159
PDF
DETERMINING THE POSITIONS OF THE ELEMENTS FOR THE 3-2-1 PRINCIPLE OF LOCATION IN A SOLIDWORKS ADD-IN
Oleg Mihaylov
160-165
PDF
EVALUATION OF HEARTROT CAUSED PHELLINUS PINI AND RELATED YIELD LOSS IN PINUS SYLVESTRIS STANDS
Ziedonis Miklašēvičs
166-171
PDF
FERROELECTRIC NANOCOMPOSITES WITH GOVERNED INTERFACE ON BASE OF MAGNETIC POROUS GLASSES
Aleksandr Naberezhnov, Anna Sysoeva, Olga Alekseeva, Polina Vanina, I. Golosovsky, Bernard Nacke, Alexander Nikanorov
172-176
PDF
ANALYSIS OF LASER PROCESSING OF ARTIFICIAL LEATHER
Pāvels Narica, Ruta Laizāne, Antons Pacejs, Silvija Mežinska
177-183
PDF
REDUCING RISK FACTORS IN THE WORKPLACE OF THE LASER SYSTEM OPERATOR
Pāvels Narica, Inese Martinsone
184-188
PDF
COMPARATIVE STUDY OF INDUSTRIAL LIGNOSULFONATES AND SOME THEIR PROPERTIES
Brigita Neiberte, Antons Jablonsky, Galia Shulga, Anrijs Verovkins, Sanita Vitolina, Julia Brovkina
189-192
PDF
GRINDING WHEEL MONITORING SYSTEM
Igor Nikiforov, Pavel Maltsev, Marina Kulakova
193-196
PDF
DETERMINATION OF CHAMBER AND PISTON GEOMETRY FOR A ROTARY TYPE EXPANSION MACHINE
Andrey Perminov, Yury Zhuravlev, Yury Lukyanov, Sergey Tikhonov, Alexander Ilyin
197-200
PDF
THE MODEL OF THE CONSTRICTION RESISTANCE OF A SLIDING ELECTRICAL CONTACT
Igor Plokhov, Igor Savraev, Alexander Markov, Oksana Kozyreva, Nikita Kotkov, Yulia Domracheva
201-207
PDF
SYNERGETIC MODEL OF ELECTRO-FRICTION INTERACTION
Igor Plokhov, Alexander Ilyin, Oksana Kozyreva, Igor Savraev, Nikita Kotkov
208-213
PDF
EXPERIMENTAL STUDYING OF MECHANICAL-AND- PHYSICAL PROPERTIES OF RUBBER DURING AGEING
Svetlana Polukoshko, Andris Martinovs, Edgars Zaicevs
214-218
PDF
VALORIZED SODA LIGNIN AND ITS POSSIBLE APPLICATION
Galia Shulga, Sanita Vitolina, Brigita Neiberte, Jevgenijs Jaunslavietis, Anrijs Verovkins, Jurijs Ozolins, Sandra Livcha, Talrits Betkers
219-223
PDF
INTERACTIVE SYSTEM FOR STUDY OF CAR'S MOVEMENT WITH LOW AND ULTRA-LOW PROFILE TIRES IN A TURN
Stiliyana Taneva, Krasimir Ambarev, Dimitar Katsov
224-228
PDF
SURFACING – TECHNOLOGIES AND LAYER PROPERTIES (A REVIEW)
Manahil Tongov
229-234
PDF
INFLUENCE OF THE ANODE AND WEHNELT VOLTAGE ON THE CROSSOVER POSITION IN THE ELECTRON BEAM WELDING
Manahil Tongov
235-240
PDF
ANALYSIS OF THE POWER DRIVES OF TERRAIN FORKLIFTS
Georgi Valkov, Valyo Nikolov
241-248
PDF
THE ANALYSIS OF STOCHASTIC PROCESSES IN UNLOADINGTHE ENERGYWILLOW CUTTINGS FROM THE HOPPER
Serhii Yermakov, Hutsol Taras, Krzysztof Mudryk, Krzysztof Dziedzic, Liudmyla Mykhailova
249-252
PDF
PROFESSIONAL COMPETENCE AS A KEY FACTOR IN IMPROVING THE QUALITY OF ENGINEERING EDUCATION
Lesia Zbaravska, Olha Chaikovska, Hutsol Taras, Sergii Slobodian, Oleksandr Dumanskyi
253-256
PDF
CONSTRUCTION OF PISTON OUTER PROFILE FOR ROTARY TYPE EXPANSION MACHINE
Yury Zhuravlev, Andrey Perminov, Yury Lukyanov, Sergey Tikhonov, Alexander Ilyin
257-260
PDF