Годишник на МГУ 46/2003 - МГУ "Св. Иван Рилски"

JOURNAL OF MINING AND GEOLOGICAL SCIENCES, Vol. 46, Number 1
ISSN 1312-1820 (print)
СЪДЪРЖАНИЕ
CONTENTS

Geology and Mineral Resources
Ajdanlijski G., N. Stoyanov Fluvial architecture of the sedimentary aquifer complex in the area of sanitary landfill Plovdiv	1
Antonov M., S. Pristavova, V. Jelev, K. Shipkova Deformations and metamorphism at the base of the diabase-phyllitoid complex in Etropole and Zlatitsa-Teteven mountain (Central Bulgaria)	7
Bakalova G., G. Ajdanlijski A model of fluvial after gorge accumulation	13
Banushev B. Petrological characterization of alkaline basaltoids from the region of St. Spas Bakadjik, Yambol district	19
Baraboshkin E. J. Early Cretaceous development of the mountain Crimea	25
Georgiev V. Volcanic and matallogenic evolution of the Momchilgrad depression (Eastern Rhodopes)	31
Georgiev V., P. Milovanov Magmatic complexes in the Momchilgrad depression (Eastern Rhodopes)	37
Gerdjikov Ia. Mesoscale indicators for synkinematic migmatisation examples from the Rhodope massif	43
Jelev V., M. Antonov, A. Arizanov, R. Arnaudova On the genetic model of the Chelopech volcanic structure (Bulgaria)	47
Jelev V., L. Nikova, J. Crummy, F. Mitreva Bardo ring morpho-structure (Bulgaria)	53
Jordanov J. Principles and potential for sequestration of со2 in geological section of Bulgaria	59
Kolkovski B., P. Petrov, S. Dovrev Hydrothermal ore-bearing features of igneous intrusive complexes	65
Kortenski J., A. Sotirov Beryllium, scandium, yttrium and ytterbium in some Bulgarian coals	77
Kortenski J., A. Sotirov Determination of the indices of the coal facies in the Svoge antracite basin, Bulgaria	83
Kostov R. I. The mineralogical knowledge of the ancient Bulgarians according to some Medieval sources	87
Kovačević J., B. Radošević, M. Simić Gold occurrences in poreč-stara planina metallogenetic zone	93
Kuikin S. Principle of the normality in the environmental geochemistry	99
Nikolova J., V. Balinov, G. Tenchov, M. Doncheva Methodical aproach for sandstones gas-potential estimation in dobroudja coal basin	103
Pazderov R., P. Petrov, Kh. Kharisanov Calcite mineralization near Svetoulka village, Ardino region	109
Popov K., K. Ruskov, G. Georgiev 3D Geostatistical model of the ore body in Elatsite Porphyry copper Deposit, Panagyurishte Ore Region	113
Popov P., S. Strashimirov, K. Popov, R. Petrunov, M. Kanazirski, D. Tzonev Main features in geology and metallogeny of the Panagyurishte Ore Region	119
Pristavova S., M. Antonov, M. Janeva Petrologic and structural characteristics of the low grade metamorphic rocks from the valley of river Gabrovnitsa, Western Stara Planina	127
Simić M., B. Radošević, J. Kovačević Deposits and occurrences of molybdenum in Surdulica eruptive massive area in southeast Serbia	135
Sinnyovsky D. Five protected outcrops of the Cretaceous/Tertiary boundary in Bulgaria	141
Sinnyovsky D. Cyclic upper Cretaceous-Paleocene rocks in the Western Forebalkan	149
Sotirov A., J. Kortenski Petrography of the Helvetian lignite from the Chukurovo Basin	155
Stoykov S., Y. Yanev, R. Moritz, D. Fontinie Petrology, SR and ND isotope signature of the late cretaceous magmatism in the south- eastern part of Etropole Stara Planina, Srednogorie magmatic zone.	161
Tarawneh K. Mineral occurrences in the Badia region, NE Jordan	167
Tokmakchieva M. Mineralogical characteristics of supergenic mineralizations in copper deposits of Central Srednogorie	171
Tsintsov Z., B. Banushev, M. Sivilov Characterization of the sulfide mineralization in metamorphosed serpentinites near Zhivkovo village, Central Srenda Gora, Bulgaria	177
Valchanov A. Structural criteria for metallogenic zonation north of the Maritsa fault	183
Valchev B. On the potential of small benthic forminifera as paleoecological indicators: recent advances	189
Vassileva M., S. Dobrev, Zh. Damyanov Comparative characteristics of endogenic kutnahorite from Ribnitsa deposit and exogenic kutnahorite from Kremikovtsi deposit	195
Vatsev М. On the Paleogene dacite-rhyodacite volcanics in the Western and Central Rhodopes and their geodynamic setting	201
Vatsev М., B. Kamenski, S. Djuranov Depositional stages and correlation of the paleogene from the graben basins in southwest Bulgaria	207
Zagorchev I. Tectonometamorphic amalgamation: field evidence from South Bulgaria	213
Hydrogeology, Engineering Geology and Geoecology
Baraboshkina T.A. The geological factors of ecological risk in Russia	217
Galabov M., S. Kovachev, V. Mavrodiev Investigations on the migration ability of some radionuclides in groundwater	223
Dachev D. Some current issues in Bulgarian geoecology	227
Demireva E., V. Ioncheva Harmonization of national standards in practice and education in hydraulics	231
Dimitrova S., I. Stoilova, Z. Spasova Human physiological status and environment	237
Dimova N., L. Kinova, B. Veleva, B. Slavchev Radiochemical procedures for determination of naturally occurred uranium isotopes in environmental samples.	241
Kirova J., P. Ninov, S. Blaskova, V. Rainova Some aspects of anthopogenic activities over groundwater quality	247
Kolev Ch. Methodology of design of geo-technique and geoprotective structures in the light of structural form-making	251
Konstantinov B., Lakov A., Stoynev St. Geotechnical problems of the cultural heritage monuments in Bulgaria	255
Konstantinov B., Lakov A., Stoynev St. Problems and perspectives for the engineering geology in Bulgaria.	259
Mitrov Tsv. Impact monitoring of mining enterprises in Bulgaria portion of the national system for environmental monitoring.	263
Nikić Z., B. Radosević, R. Ristić Characteristics of extreme Visocica river flow rate – influence of hydrogeological conditions	267
Ninov P., S. Blaskova, J. Kirova, V. Rajnova Organic pollution of the Mesta river bed sediments	271
Orehova T.,T. Andreeva Characteristic features of water year 2002 for groundwater in Bulgaria	275
Penchev P., V. Zahariev, B. Deneva Hydrogeology of the Dolna Banya thermal water basin	281
Petrova V., J. Evlogiev Engineering-geological conditions of the town of Silistra	287
Popova I. Reinforced walls of natural reinforced soil	295
Rainova K., V. Rainova Geoecological risk of erosion processes in the Bulgarian part of the Danube	299
Rainova V., P. Ninov, S. Blaskova, Yu. Kirova Peculiarities in the black sea water quality formation around the Sozopol bay and Strandja region	301
Shuljatjeva A. S., T. A. Baraboshkina, S. A. Vorobiev, A. U. Ershov Ecological rating of geochemical anomalies (research, criterion of a rating, ecologically- geological mapping)	303
Stojanovic D., D. Isakovic Hydrochemical regime of the karst springs on the Mount Suva Planina in East Serbia	307
Tomescu I. Results obtained in some agrosystems established on damaged soil from Rovinari Mining Zone	311
Zahariev V., B. Deneva Investigation on the regime of Pchelinski Bani mineral water occurrence and current assessment of its exploitation resources	315
Applied Geophysics
Antonov D. Assessment of loess composition and structure in connection with radioactive waste disposal	321
Borisova D. Spectrometric measurements of granites and study of surface effects	327
Dimitrov L., A. Vassilev Black Sea gas seepage and venting structures and their contribution to atmospheric methane	331
Dimovski S., R. Raditchev Magnetic characteristics of the rhyolites in the Rhodope massif	337
Ioane D. An integrated geophysical tool for locating Au-Ag deposits in Neogene volcanics in Romania	345
Kancheva R. Main principles in vegetation spectrometric studies	351
Kancheva R., D. Borisova, G. Georgiev Informational potential of vegetation spectral reflectance in anthropogenic impact studies	355
Krezhova D. Recognition of natural objects along a trace of earth’s surface by spectral reflectance characteristics and photoimages	361
Krezhova D.,К. Velichkova, S. Pristavova Spectral reflectance of magmatic and metamorphic rocks in the visible and near infrared ranges	367
Mardirossian G, S. Velkoski, A. Bliznakov Improvements and innovations in registering the geomagnetic field parameters	373
Markova R. Investigations on clays for radioactive waste disposal	379
Raditchev R., S. Dimovski Density and polarizability coefficient of the rhyolites in the Rhodope massif	385
Raditchev R., S. Dimovski Quantitative interpretacion of the horizontal gravity gradient for semi-infinite horizontal slab structures according to data from statistical analisis	391
Rangelov B., S. Dimitrova, D. Gospodinov, G. Lamykina The fractal properties of the Mediterranean Seismotectonic hazard model	397
Stavrev P., D. Gerovska, M. J. Arauzo-Bravo Euler deconvolution of magnetic anomalies over the basaltic bodies in Northern Bulgaria	403
Stoyanov V., S. Kostyanev Modeling the temperature field around hot magma body	409
Tzvetkov A., L. Nikova Structural features of the Brovitza depression and its periphery, according to geophysical data	413
Vassilev A. Bulgarian Black Sea oil and gas – common myths and uncommon facts	419
Vassilev A., L. Dimitrov Bulgarian national program for gas hydrates research	425
Drilling, Exploitation and Transportation of Oil and Gas
Andrzej Gonet, Stanisław Stryczek, Tomasz Śliwa Jan Kruczak, Jan Woliński Specificity of geothermal drilling based on oil and gas exploration company jasło activities	431
Nikolay Tchervenakov Technical equipment for cementing prospecting drill wells	435

JOURNAL OF MINING AND GEOLOGICAL SCIENCES, Vol. 46, Number 2
ISSN 1312-1820 (print)
СЪДЪРЖАНИЕ
CONTENTS

G. Michaylov An approach to designing a classification of the underground ore mining methods	1
G. Georgiev Valuation of the possibilities for choosing of effective method of development for ore bodies with complicated morphological characteristics	5
G. Michaylov, G. Trapov A procedure for selecting an optimal mining technology taking into account the extraction and quality change ratios of the mined-out ore	11
К. Dermendjiev, A. Slavov Studying the method of mining of highwall mining systems (HMS)	15
G. Stoyanchev, К. Dermendjiev Methods of mining and extraction technological schemes with roadheaders	19
M. Mladenov, Т. Kavroshilov, S. Shoukerov Ore mining restoration at Dimov Dol mine	23
D. Anastasov, G. Stoyanchev, М. Armutliev A possible rout to driving an air-conditioning ring gallery into the tumulus of the frescoed thracian tomb in the village of Alexandrovo, Haskovo region	27
P. Loubenov Theoretic-practical approaches of energetic method of optimized variants of open-mining processes	31
At. Atanasov Analysis of major technological parameters of quarrying of blocks of marble by “diamond” rope stone cutters	37
I. Djobov Study on factors having influence upon the productivity of cyclic-flow-line technology applied in open-pit “Asarel”	39
A. Smilianov, P. Zlatanov, Ph. Kuzmanov Ttechnical condition of movable railroads and effect on technological parameters of combined operation of railroad haulage and single-bucket excavators	45
А. Anachkov, V.Vasilev, K. Tenev Specific moments of history of opencast mine “BELI BREG”	51
К. Boev, Т. Тrendafilov, St. Topalov Mine surveying control of the concession granter	57
R.Angelova, D.Stefanov Influence of the pillar geometric form over the load-bearing capacity	59
К. Кolev, S. Boyanov Parameters of deformations of Gypsum massif in conditions of Koshava mine	65
L. Kandov On the kinematics of destruction of rock masses as a result of landslides and mining operations	69
Gonet A., St. Stryczek, Fijal J., L Czekai Sealing of cavities behind the concrete lining of the Kinga shaft in the Wieliczka salt mine	73
Karathanos A, Savvidis S., Chatziaugustis Th., Brontzos I., Milonas Th. Studies on the selectivity and financial improvement in the process of tin flotation by changes of the pH, flotation time and concentration of collector	77
Savvidis S., Karathanos A., Sarrianidis N., Chatziaugustis T., Vatalis K., Kargiotis E. Investigations regarding the improvement of the selectivity and the profitability in the tin flotation processing of fine classes	83
A. Boteva, Hr. Petrova Interrelation between the construction of the three-phase froth and the density of the flotation pulp	87
A. Boteva, Hr. Petrova, V. Mehandjiiski Role of cleaning operations at the selective flotation flowsheet	91
R. Kazandjiev, P. Gospodinov, M. Mironova Sulfate-induced degradation of cement stone	95
J. Mateev, N. Hristov, D. Mochev, L. Kuzev Carbonate mineral powders	101
M. Metodiev, K. Dedelyanova Air bubbles creation and behavior in a vibratory-acoustic field	105
N. Hristov, L. Kuzev Technology for MIO production	111
S. Tsvetkov, K. Velichkova A pyroelectrical material for a sensitive element in gas analyzers	117
S. Tzvetkov, M. Stoycheva On the possibility of phosphates removal from waste waters and obtaining of mixed fertilizers with natural zeolites	123
I. Grigorova, L. Kuzev Briquetting of brown coals with a binding agent modified amylum with soluble colophony	127
G. Visokov, M. Panayotova Plasma-chemical processing of minerals and industrial waste	131
V. Panayotov, M. Panayotova Environmentally friendly treatment of washing acids	137
E. Vlasseva, M. Petkova Air movement in ventilated areas of large volume	141
M. Michaylov, Z. Dinchev, E. Vlasseva, T. Petrov, I. Tenev Forcing of natural ventilation in electrolytic shops	147
М. Valkov About the generalization possibilities in a new stochastic model of mining subsidence	153
Т. Stefanov, E. Vlasseva Untight pipeline ventilation systems’ calculations	155
Т. Petrov Inteligent computer system for continuous risk evaluation and decision support of safety management in mining	163
V. Pozhidaeva Dynamic model of cage hoist	171
S. Tokmakchiev Laboratory studies of the load on TZ-38 tangential picks	175
Gregoire C., Halleux L., Vervoort A. Application of ground penetrating radar in a mining environment	179
A. Hadjiev, P. Hadjiev On some methods for surface erosion control on tailings ponds and waste fly- ash piles	185
L. Draganov, P. Pavlov Waste from heat electric power-stations with solid fuel – ecological problem and raw material	189
Hanes N., B. Octavian Assessment of quality objectives of caved bench mining methods	193
D. Hristanov Rational approach for valuation of explosives efficiency	197
G. Kamburova, Sl. Lazarov Organizing effective and ecologically friendly primary blasting operations for extraction of inert materials	199
G. Kamburova Study on toxic gases released from powdered and emoulsion type explosives used in underground blasting	203
H. Stoev, D. Hristov, E. Dimitrov, V. Stoyanova Detonation processes and the effects thereof on ecology during total liquidation of uranium extraction consequences in the region of Eleshnitsa village	207
R. Sarbu, C. Badulescu, V. Ciocan, F. D. Popescu Possibilities of obtaining construction materials using the solid wastes from mining industry	209
V. Kovacheva-Ninova Electrochemical treatment of mine waste waters containing heavy metal ions	215
M. Stoytcheva, S. Tzvetkov Application of a differential double pulse polarography for arsenic determination in a waste waters from copper producing plants	221
Fijal J., A. Gonet, St. Stryczek, L. Czekai Characterization of chemical, mineral and rheological properties of oil-polluted drilling wastes and their detoxication	225
S. Groudev, M. Nikolova, I. Spasova, R. Shutte Treatment of waters from a copper mine by means of a permeable reactive barrier	229
P. Pavlov, L. Draganov Composite material for isolation of depots for industrial waste and waste of life	233
C. Capatana, C. Ionici Ecological red glass	237
C.Ionici, C. Capatana The influence of addition elements on sintered iron compacts microhardness	241
B. Diaconu, M. Cruceru, V. Palita, C. Racoceanu Radiative head transfer equation in systems of grey – diffuse surfaces separated by non participating media	243
D. Scradeanu, M. Palcu Impact on regional aquifers of coal exploitation in oltenia region	247

JOURNAL OF MINING AND GEOLOGICAL SCIENCES, Vol. 46, Number 3
ISSN 1312-1820 (print)
СЪДЪРЖАНИЕ
CONTENTS

Tsv. Damyanov, Е. Asenov, Z. Mihalkov, P. Nedyalkov Gallery support manipulator – dynamical research	1
Sv. Tokmakchiev Determining the load on RKS-type tangential picks	5
Sv. Deevski, K. Shehadi Threshold levels of shifting and speeds in discrete regulation of mine belt conveyors	9
K. Shehadi About maximum utilization of supporting capacity of mine belt conveyors	13
I. Iochev, Е. Кartzelin Technical diagnostics of major components of mine winding machines	17
А. Yaneva Optimizing the selection of a hoist rope in the design and operation of shaft hoists	21
А. Yaneva, I. Iochev Ways of increasing the service life of the steel ropes in the mine hoists	25
V. Pojidaeva Wear in sliding bearings from mining and ore-processing machines	29
N. Perenovski, A. Yaneva, I. Minin, Tsv. Damyanov A linear structural analysis of the leading sheaves of shaft hoists by the finite element method	33
V. Tenchev On the velocity of an optional point of crank mechanism connecting rod	37
B. Grigirov, St. Asparuhov Trajectory investigation of a hydraulically driven manipulator	41
E. Asenov, E. Bosilkov, R. Dimitrov, Tsv. Damyanov Kinematics and dynamics of working mechanism of hydraulic excavator	47
E. Asenov, M. Yancheva, R. Vucheva Resarch of centrifugal-impact-vibrating mill /CIVM/ working process	51
Sl. Donchev, V. Pojidaeva Studying some of the tribo-characteristics of mineral grinding	55
Sl. Donchev, G. Takov An electrophysical technology for improvement of the durability (under wear) of the cutters of the cutter-loaders	59
V. Tasev Application of centrifugal ball clutch to the drive of a mill fan at the “Bobov Dol” power plant	63
А. Smilianov, F. Kuzmanov On the probabilistic character of haulage for routes with movable railroads	67
A. Smilianov Theoretical investigation of the applivability Manevich-Pavlenko model for determining the strength of extraction of a single traverse from the ballast prism of a movable railroad	71
P. Zlatanov, A. Smilianov, F. Kuzmanov Technical condition of movable railroads and effect on technological parameters of combined operation of railroad haulage and bucket wheel excavators	81
N. Cristea, G. Gherman, G. Cristea Sampling device adaptable to the high capacity conveyer – belts	87
J. Zaimov Ventilation of zones of potentially explosive gas atmosphere	91
K. Djustrov, D. Kostov, M. Menteshev Dc mains insulation resistance control in electrolysis shops	95
A. Zabchev Topographical method for solving problems of three-phase circuits	99
St. Stefanov, A. Zabchev Analyses of one electrostatic problem and its application in measurement of the electrostatical field parameters	103
V. Tasev, I. Iordanov Transformation of mine battery locomotive 4,5 ARP into a trolley locomotive	107
K. Trichkov, B. Petrova About the temperature regime of an induction motor, supplied by a controlled inverter	111
N. Genadiev, V. Bagarov Investigation and estimation of higher harmonics in power network of charge station in underground coal mine “Ivan Rousev”	113
V. Bagarov, J. Stoyanov System of energy management of electricity consumption in the concentration plant “Elacite Med”	117
R. Vuicheva Energy absorption rate at the mechanical treatment of specularite from bulgarian deposits	121
Ts. Georgiev, T. Varbev Failurs of the power supply system of open – air mine “Hristo Botev” of mines “Bobov Dol” ltd.	125
T. Varbev Safety analysis of the power supply systems in open-air mines of Bulgaria	129
T. Varbev, Tz. Georgiev, P. Petkova Data failure analysis of power supply system in mine “Kremikovtzi”	133
S. Siderov, N. Matanov, B. Boychev, V. Georgiev Structure and operation of the microprocessor analyzer of the electromagnetic compatibility of electrical power systems	137
S. Siderov, N. Matanov, B. Boychev, V. Georgiev Algorithm for evaluating the basic characteristics of the electromagnetic compatibility of electrical power systems by digital analyzer	143
I. Stoilov, K. Djustrov, M. Menteshev, A. Trapov System for measuring control and monitoring of power consumption at the dressing plant of the “Elatsite-Med” Co	149
I. Stoilov, D. Tzvetkov, E. Filipov Structure of power consumption of dressing plant at the “Elatsite – Med” Co	155
St. Chobanov, M. Menteshev Innovations in CMC-C electroengineering	161
N. Stefanova, A. Zabchev, M. Mateev Scheme and technical means for automated control of the compressor station in quarry first of may – marble and granite corporation	165
D. Tasheva, S. Iliev Mathematical models with improved characteristics in the control systems of wheel excavators	171
V. Hristov, St. Garabotov E-engineering: a project for mechanical constructions design over internet	177
T. Kisiova Applying multifactor logico-probabilistic functions in local ecological monitoring	181
N. Janev, K. Ivanov V.Karagiozov, I. Starbanova, Y. Anastasova Opportunities for implementation of web interface in data base works in the mining industry	185
M. Radovonovic Organizations and manufacturers in field of laser	191
V. Angelov Neutral equations with polynomial nonlinearities arising in transmission lines	197
V. Angelov On the neutral lossless transmission line equations with tunnel diode and a lumped parallel capacitance	201
V. Angelov, D. Angelova, L. Georgiev Nonlinear circuits with polynomial resistive elements	205
J. Dimitrov Automatic recognition of scales, grids and tables in scanned mechanical drawing	209
E. Kartzelin, R. Istalianov, P. Petrov, S. Vasilev, L. Todorov, N. Nikolov Electric power supply of underground mines for machine production of coal	213
A. Kotlyarov ,N. Matvienko, E. Kartzelin, R. Istalianov Rising a level of safety work of miners – the main direction of activity of the publicly held company “Krasny Metallist”	219
I. Antonov Two-phase turbulent flows. Methods for description and numerical modeling	221
V. Dimova, P. Lalov Stationary stream of viscose fluid in a pipe with finite length	225
M. Michaylov, N. Marhov, E. Vlaseva, Z. Dinchev Risk analysis of mine equipment	227
M. Michaylov Modeling of gas jet distribution in porous environment	233
N. Nikolov Issues of noise of mine fans	241
N. Nikolov Reververations in large areas	245
V. Tomov Dynamics evaluation of risk factors	247
Y. Podobnaja, P. Molchanov, T. Holieva Accident risk assessment at the electrical engineering objects on the linguistic	253
L. Popesku, O. Olaru, F. Grofu Speed control systems of the electrical motors. Which are driving the mechanism of the ERC port-wheel excavators	259
O. Olaru, L. Popesku, G. Gîdei Applications of stepping motors in mining appliances	265
N. Nedić, R. Petrović, L. Dubonjić Dynamic behavior of servo controlled hydrostatic power transmission system with long transmission line	267
O. Daniela, C. Vasile, P. Ovidiu The posibility of aplying the selsines in commanding the cupe wheel excavators	273
C. Vasile, O. Daniela, About the magnetical characteristics of the synchronous motor, proposed in activating the conveyors from the lignite mine shafts	279

JOURNAL OF MINING AND GEOLOGICAL SCIENCES, Vol. 46, Number 4
ISSN 1312-1820 (print)
СЪДЪРЖАНИЕ
CONTENTS

ФИЛОСОФСКИ ПРОБЛЕМИ В НАУКИТЕ ЗА ЗЕМЯТА PHILOSOPHICAL PROBLEMS IN EARTH SCIENCES
Иван Загорчев Професионална и теоретична геология: (гео)етични проблеми	1
Ivan Zagorchev Professional and theoretical geology (geo)ethical problems	5
Атанас Стаматов Геологията в антропоекологичен контекст	9
Athanas Stamatov Geology in anthropoecological context	13
Детелин Дачев Някои етични проблеми в науките за Земята	17
Detelin Dachev Some ethical issues in earth sciences	21
Атанас Вълчанов Влиянието на процесите на Земята върху популацията на човечеството	25
Atanas Vulchanov The influence of earth’s processes on the population of mankind	29
ИКОНОМИКА И УПРАВЛЕНИЕ НА МИНЕРАЛНИТЕ РЕСУРСИ MINERAL RESOURCES ECONOMY AND MANAGEMENT
Валентин Велев Национални особености при проявление на бизнес риска в минерално- суровинния сектор	31
Valentin Velev Specific characteristics of business risk rising in mineral resources sector under conditions of Bulgaria (Abstract)	34
Богдана Бранкова, Паулин Златанов Анализ на риска при оценка на минните инвестиции	35
Bogdana Brankova, Paulin Zlatanov Incorporation of analysis of risk into the economic feasibility study of mining investments (Abstract)	39
Юли Радев Икономически анализ на инвестиционните проекти в минната индустрия	41
Juli Radev Economic analysis of investment projects in mining industry	49
Веселин Митев Класификация на методите за оценка на инвестиционните проекти в минния отрасъл	55
Veselin Mitev Classification of investment appraisal methods in mining industry (Abstract)	60
Любка Чанкова, Димитър Чанков Приложение на икономическите средства в мениджмънта на риска	61
Lubka Tchankova, Dimitar Tchankov Application of economical tools in risk management	65
Стефан Христов Глобалната търговия с енергийно-суровинни ресурси	69
Stefan Hristov The global trade with mineral resources (Abstract)	74
Гюнтер Линд Съвременни методи за производство на магнезитно индустриално покритие	75
Gunther Lind Some approaches for producing of magnesit industrial cover (Abstract)	79
Гюнтер Линд Перспективи и значение на малките и средни предприятия в Германия	81
Gunther Lind The perspectives and importance of middle firms in Germany (Abstract)	83
ТРАДИЦИИ И ИНОВАЦИИ В ОБУЧЕНИЕТО TRADITIONS AND INNOVATIONS IN EDUCATION
Кръстьо Дерменджиев Първи резултати от обучението на “бакалаври” в специалност “Разработка на поледните изкопаеми”	85
Krastu Dermendjiev First results of “Bachelor” tuition of speciality “Mineral extraction”	89
Юлия Илчева, Майя Вацкичева, Калинка Величкова Широкопрофилната специалност “Приложно естествознание” и възможностите на МГУ “Св.Иван Рилски” да обучава студенти по нея	93
Iulia Ilcheva, Maya Vatzkitcheva, Kalinka Velichkova Wide profile specialty “Applied natural sciences” and possibilities of the University of mining and geology to teach students in it	99
Михаил Михайлов, Велико Кертиков, Елена Власева Необходимостта от магистри по инженерна безопасност	105
Michael Michaylov, Veliko Kertikov, Elena Vlaseva Necessety for master’s degree in safety engineering	109
Елка Шаламанова, Константин Тричков, Величка Ангелова Продължаващото обучение: стратегически приоритет на МГУ ”Св.Иван Рилски”	113
Elka Shalamanova, KonstantinTrichkov, Velichka Angelova Permanent education – strategic priority of University of mining and geology “St.Ivan Rilski” (Abstract)	117
Георги Радулов Ориентация на образователния процес според прогнозите за развитие на техниката и технологията	119
Gueorgui Radoulov On the problems of the engineer specialists training (Abstract)	122
Десислава Костова Стимулиращо придобиване на знания	123
Dessislava Kostova Stimulating knowledge gaining	127
Мария Минчева, М. Минчев, П. Държанов Проблеми и специфични задачи при изграждане на системи за качеството на обучението по електротехническите дисциплини	129
Maria Mintcheva, M.Mintchev, P.Darjanov Problems and Specific Tasks in Creating Systems for Educational Quality in Engineering Subjects (Abstract)	135
Светослав Забунов, Кънчо Иванов Методи и форми на преподаване на “Информационни системи” и “Компютърни мрежи и комуникации” в условията на Интернет	137
Svetoslav Zabunov, Kantcho Ivanov Methods and forms of teaching “Information systems” and “Computer networks and communications” with the use of the Internet	141
Юлия Илчева, Майя Вацкичева Физичните задачи в обучението във ВУЗ	145
Iulia Ilcheva, Maya Vatzkitcheva Physical problems in university education	151
Юлия Илчева Лабораторният практикум по физика във ВУЗ като форма на обучение	157
Julia Ilcheva Laboratory practice in physics at university as a form of teaching	163
Илияна Стефанова-Кънчева, Недялка Григорова, Дафинка Калинова Ролята на интердисциплинарните теми за обучението в подготвителен курс по медицина и стоматология в МУ-Пловдив	167
Iliyana Stefanova-Kancheva, Nedyalka Grigorova, Dafinka Kalinova The role of interdisciplinary topics for improving the effectiveness of the preparatory courses in medicine and dentistry at the medical university – Plovdiv	171
Дафинка Калинова, Недялка Григорова, Илияна Стефанова-Кънчева Традиции и иновации в профилираното обучение на чуждестранни студенти в ДЕСО при МУ-Пловдив	175
Dafinka Kalinova, Nedyalka Grigorova, Iliyana Stefanova-Kancheva Tradition and Innovations in Special Subject Teaching of Foreign Students in the Department of Language and Special Subject Teaching of the Medical University – Plovdiv	177
Диана Манова, Велислава Паничкова Ролята на теста при слушане и разбиране на научен текст от студенти по минно дело и геология	179
Diana Manova, Velislava Panichkova How to test listening comprehension of students in Mining and Geology	185
Славка Тошкова-Христозова, Христина Спасова, Невена Димова, Иван Христозов Извънаудиторната работа като метод в езиковата и специализираната подготовка на студентите медици и стоматолози	191
Slavka Toshkova-Hristozova, Christina Spasova, Nevena Dimova, Ivan Hristozov Outdoor activities as a method in the professional and language preparation of the students of medicine and dentistry	195
Иванка Шушулова, Георги Шушулов Възможности за гъвкаво отразяване на динамиката в технологичната и икономическата среда при оценка на техническите решения в миннодобивната промишленост в България	199
Ivanka Shoushoulova, Georgy Shoushoulov Opportunities for a flexible view of dyinamics of technological and economical medium in the estimation of technical decisions in mining industry in Bulgaria	203