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The Lojane deposit is a characteristic epithermal As-Sb type of mineralization located in the contact boundary between the Tertiary volcanites and the Jurassic ultrabasites in the immediate vicinity of the village of Lojane in the northern parts of the Republic of Macedonia. Mineralization is of a vein type, and the main bearers of As-Sb mineralization are the stibnite (antimonite) and the realgar, followed at the places by the orpiment. Four morphological types of mineralization are defined by the latest macro-sc...

The diversity of ecosystems in the mountainous regions is generally higher than in the lowland territories. In this regard, there is no exception to the Caucasus region. The central part of the Greater Caucasus Mountain System, which is located within the Republic of Georgia, consists of fiveadministrative units (Mestia, Lentekhi, Tsageri, Ambrolauri and Oni) and is 3 historic-ethnographic provinces (Svaneti, Lechkhumi, Racha). The study area is 8157 km 2 and the hypsometrically ranges from 315 m to 5203 m. Our re...

Twenty eight onshore mud volcanoes of the Kerch-Taman province were analysed to evaluate their current contribution to the trace-element budget of the landscape. The study area belongs to the Indol?Kuban Trough, where the anoxic marine mudrocks of the Maykop Formation were deposited in the Oligocene ? Early Miocene in the northern deep-water margin of the Parathetis ocean. The Maykopian Fm. mudrocks are main sources of solid matter for numerous mud volcanoes of the region. Mud masses (30 samples) and mud volcanic ...

Assessment of raw materials projects concerns a special, narrow area. Their economic result depends on internal and external variables. Much more objective and probable results of the assessment are obtained by extending the analysis of the project with the investor's and environment's perspective. This paper examines the possibilities of project implementation in financial and competency frames from the investor?s perspective. From the perspective of the environment, the positioning of the project in the sector a...

Based on the recent forecasts in the IoT (Internet of Things) market, it is expected an increase in the adoption of cloud resources and deployment of internet-based technologies and processes. Smart Health is one of the key industries which has already embraced the IoT paradigm. In this paper, we will describe a remote sensing solution which connects environmental sensing - meteorological data, air quality measurements, with physiological parameters gathered through a range of intelligent wearable devices. The pur...

The Water Framework Directive obliges the member states of the European Union to monitor the state and ecological potential of water bodies. The assessment is based on physicochemical indicators, biological elements and hydromorphological conditions. As part of the hydromorphological conditions assessment, the following is taken into account: spatial layout of the watercourse, water depth, bottom substrate, as well as the presence, spatial and species structure of aquatic and riparian plant communities. Considerin...

The object of study was Wolszty?skie Lake, (area 124.2 ha, max depth 4.2 m). That water body is flow-through lake type and it is alimented by Dojca River and total catchment area is 193,5 km2. The lake was restored using phosphorus inactivation method ? in the 2005-2006 years an aluminum coagulant PAX 18 was used for treatment and in 2013-2014 years ? iron coagulant PIX 111. The results of research revealed, that the amounts of phosphorus fractions in the bottom sediment have changed. In the 20 cm thick sediment c...

Using multilayer forest cover dynamics map, which was developed based on GIS, remote sensing data, forest inventory and field data post-fire and post-logging forest regeneration trajectories were revealed in a range of forest growth conditions. A legend of the map was built based on dynamic classification of forest cover and contained information about forest regeneration series and their age stages in different forest growth conditions types. Based on this map a spatial distribution of the most common forest succ...

The Oka carbonatite complex, one of the Cretaceous Monteregian Hills intrusions, consist of a wide range of silicate and carbonatite rocks (e.g. sovite, urtite, ijolite, jacupirangite, okaite). In the 60s, due to the abundance of pyrochlores and Nb-bearing perovskites, niobium mine (St. Lawrence Columbium mine) was developed and active until its closure in 1977, however significant amount of niobium minerals still remain at the deposit and surrounding dumps. Besides economic value as a niobium ore (and potentially...

The old Ervedosa mine (Northern Portugal) was intermittently exploited for tin by underground and open pit mining till 1969. The tailings were deposited on the ground. The mine was abandoned without any environmental remediation. Mineralization occur in quartz veins, and consists of cassiterite as the main ore mineral, and several sulphides (arsenopyrite, pyrite, sphalerite, pyrrhotite, chalcopyrite and stannite), matildite, bismuthinite, native bismuth and other minerals. The present study aims to characterize th...

In-situ combustion process has been proven to be an effective enhanced oil recovery (EOR) method for heavy oils. However, until now, the in-situ combustion is still not widely used as steam injection is. The main reason that limits the wide application of in-situ combustion process is the unclear understanding of its complicated combustion and displacement process that is mainly controlled by the oxidation of crude oil. The complicated composition of crude oil makes it difficult to understand the oxidation mechani...

The article deals with the problem of restoring the disturbed balance in the system of ?man-society-nature?. As one of the factors the values of mythological consciousness are proposed. Myths and legends represent the experience of many generations of harmonic and healthy coexistence of man in nature. People became conscious of the environment through myths. The contradictions of man?s impact on the environment are investigated. All contradictions are based on technology and mismanagement of resources. Human impac...

The structure and the properties of the oxide nano-composition coatings formed on titanium in the diphosphate based electrolytes by means of plasma electrolytic oxidation in the spark-discharge regime at application of interelectrode voltage 100 to 130 V have been studied. The possibility to obtain the oxide layers containing the alloying elements by the modification of the composition of electrolytes has been stated. The chemical and phase composition as well as the topography, the microstructure and the grain si...

The structure of the emptiness space of the oil reservoir rocks has been studied using high-resolution electron microscopy methods. Particular attention is paid to unconventional oil and gas reservoirs, among which argillites are finely divided. In them, the share of the nano-emptiness space is much higher than in typical carbonate and terrigenous reservoirs. The presence of a significant number of nano-cracks, which are either a continuation of micro-cracks, or independent of them, is established. A certain amoun...

This paper presents studies on the development of nanocomposites based on rubber and layered nanoclay such as organically modified montmorillonite. The effect of introducing nanoclay in a mixture based on ethylene-propylene-diene terpolymers filled with precipitated silica was analzyed in comparison with a mixture based on natural rubber filled with an organic filler, starch. Mixtures contain 0, 3 and 6 parts nanoclay respectively to 100 rubber parts. Mixtures were obtained in a Brabender mixer. Curing agents: di(...

A technical progress in various fields of the national economy is accompanied by escalating aggression of the environment that complicates the protection of different objects made from steel, which is the main modern constructional material. Because of the corrosion attack, 50 million tons of metal is oxidized and lost almost forever every year for a mankind. In industrialized countries, annually average losses from corrosion equal to 3 - 5% from the gross domestic product. The damage from corrosion comprises not ...

A wide range of researches demonstrated that the application of nanotechnology can improve the performance of other traditional construction materials, such as concrete, steel, glass, paint, coatings, insulating materials, et. al. Noteworthy improvements in concrete strength, durability and sustainability are being achieved with considered use of metal/metal oxide nanoparticles and engineered nanoparticles (carbon nanotubes and carbon Nano-fiber), and environment-responsive anticorrosion coatings formed using Nano...

Underground mining exploitation in the Upper Silesian Coal Basin results in lowering of a land surface. It has its environmental consequences. These processes favor the creation of wetlands and floodplains, which often help to increase biodiversity. However, progressive lowering of the land surface disrupts flow of rivers, force change of land use, and may lead to real risks for building facilities. Therefore, it is necessary to undertake reclamation works, which consist in filling depression area. All this leads ...

The paper examines the results of field observations carried out on the Galician coasts of Spain hardly polluted in 2002 by fuel oil spilled from the sunken ?Prestige? tanker in order to determine the rates of the pollutant natural destruction and to consider their relationship with principal environmental factors. It is a part of a large-scale research being performed on geographically different oiled seacoasts in France, Spain and Russia. In Galicia, the observations were undertaken in October 2012, November 201...

Provides information about the most common raw material reserves of wild medicinal plants containing tannin on the ridges of the southern Altai, such as Achillea millefolium L., Bergenia crassifolia (L.) Fritsch, Ephedra equisetina Bunge, Filipendula ulmaria (L.) Maxim., Glycyrrhiza uralensis Fisch, Sanguisorba officinalis L., Tanacetum vulgare L. and others. Among all medicinal plants Chamaenerion angustifolium (L.) Scop., applies only in traditional medicine. The amount of the operational reserve and the amount ...

Provides information about the most common raw material reserves of wild medicinal plants containing tannin on the ridges of the southern Altai, such as Achillea millefolium L., Bergenia crassifolia (L.) Fritsch, Ephedra equisetina Bunge, Filipendula ulmaria (L.) Maxim., Glycyrrhiza uralensis Fisch, Sanguisorba officinalis L., Tanacetum vulgare L. and others. Among all medicinal plants Chamaenerion angustifolium (L.) Scop., applies only in traditional medicine. The amount of the operational reserve and the amount ...

Determining basaltic magma sources is easier than felsic magma sources. However, crustal contamination and crystal fractionations cloak important nature and source characteristic of the basaltic magma. To expose this privacy, it is necessary to use different spectroscopic methods to interpret the depth and origins of the intraplate basalts. In this study, Quaternary basalts have a huge outcrop in the southern region of Turkey has benefited from mineral compositions and the chemistry to reveal the origins of these ...

The necessity and opportunity of research by fast and efficient remote sensing methods and means derives from the fact that pratological investigation involves a great deal of time and resources, repeated missions on the ground and the involvement of a larger number of specialists. With the advanced technique (remote sensing methods and means), the main purpose of this study is to monitor grassland in the analyzed area and quantify the chlorophyll concentration of plants on the basis of the Normalized Difference V...

The necessity and opportunity of research by fast and efficient remote sensing methods and means derives from the fact that pratological investigation involves a great deal of time and resources, repeated missions on the ground and the involvement of a larger number of specialists. With the advanced technique (remote sensing methods and means), the main purpose of this study is to monitor grassland in the analyzed area and quantify the chlorophyll concentration of plants on the basis of the Normalized Difference V...

First indication of habitation on the site of the future Halmyris fortress dates back to early 6th century BC, when the region was inhabited by the Getae. The Roman fortress, constructed in 2nd century AD, was the easternmost one in the chain of fortifications built under Roman occupation along the Danubian border of the empire and was abandoned in 7th century AD after it lost its economic and strategic importance. The site is located on Murighiol-Dunav?? promontory 2.5 km east of Murighiol village at around 1.5 k...

An important problem of modern civilization is the aging of societies. The effect of this phenomenon is and will be limited access of enterprises to young and middle-aged employees. This problem also applies to coal mine. First and foremost, young and middle-aged employees work in them. Therefore it will be necessary to undertake actions aimed at stopping already working workers and employing older people in the case of shortages. Extending the employment time in mining enterprises requires a proper approach to th...

An analysis of the stratigraphic positions of the Neogene coal facies in Romania and in the countries around lead to a first cyclo-stratigraphic coherent scheme for the Neogene in the Central Paratethys (?icleanu et al., 2001). This was based upon the warm and cold phases of a climatic cycle with 4.1 ma period highlighted by us since 1998 (Prague), named ?Valach climatic cycle? at that time. This scheme was also based on absolute geological ages of the Neogene important limits: Paleogene-Neogene (23.8 ma), Miocene...

This paper is focused on the main geological features of the Albanain Orogene. We seek to characterize the relation of this regional structure to the nearby regional tectonic units, summerizing its faulting patterns and the present neotectonic activity, as observed from the sesmic events and the geodynamic data. The geological structure of Albanides belongs to the Dinarides-Albanides-Hellenides folded belt, as an extension of the southern Mediterranean Alps. It extends along the eastern coasts of Adriatic and Ioni...

The Khibiny massif is the world?s biggest alkaline pluton with the size of 44 x 35 km in the plan and the area of some 1330 km2. The Devonian intrusion is a conical stock passing into the lopolith. To date, a set of observations and phenomena has been compiled, characterizing the Khibiny massif neotectonics as very complex and contradictory in many respects. It stands out with its high compressive stresses (first tens MPa) of the sub-horizontal position in the area of exploited deposits; major faults traced along ...

Future 5G networks are expected to provide ubiquitous connectivity for extremely large number of devices with diverse characteristics in terms of storage, computing, network capacity and power supply. These networks will support an enormous myriad of services, application and business models with specific requirements for performance, reliability, and security. Network slicing can address the diverse requirements of diverse use cases by enabling network operators to create and deploy a number of virtualized networ...

The paper presents a neural network based methodology for prediction and optimization of internal combustion engine vehicles' fuel consumption, as a way to reduce air pollution. As it is well demonstrated lately, the engine fuel burning is one of the main factors that generate air pollution. Its impact on environment is rapidly increasing, following the increase of vehicles numbers. The best solution to reduce the air pollution is to use electric motor driven vehicles but these are still very expensive, with a low...

Marine pollution with mineral oils has become a major problem due to the negative impact on the marine ecosystem. This threat is mainly caused by maritime transport which discharge the poly aromatic hydrocarbons known as polluting products into the sea through the bilge waters, or through cleaning operations of cargo tanks of chemical and petrochemical vessels, as well as because of naval accidents. Due to the high risks caused by the oil pollution, International Maritime Organization adopted Marpol 73/78, a speci...

The stream bed of alpine tarns is heterogeneous. Forms and whole character of lake basins relief depend primarily on the level of their reformation by mountain glacier during the glacial stage and development of geomorphological processes in the surrounding of postglacial stage. Bathymetric survey creates the basis for the construction of bathymetric maps and DTM of lake basins. They complete the whole picture about the local geomorphological development of valleys and variety of their bases. They have the biggest...

Geoinformation system INTEGRO is intended to store and visualize geological map (scanned and vectorized), geophysical, geochemical and primary geological data, aerial and satellite images, borehole and three-dimensional data. It is also able to construct geological maps, forecast mineral resources and support studies of the deep structure of the Earth. The system is multi-window and is equipped with the synchronization mechanism in different windows for joint visual analysis of various information types. There are...

Experience has shown that all buildings and constructions are subject to displacements and deformations. There are no absolutely stationary and non-deformable constructions. Deformations are also caused by variable loads acting on the construction. For example, loads caused by wind, solar radiation, vibrations from machines during operation, seismic stress and others. The area in which the tallest building in Romania, i.e. the 351.5 m smoke chimney in Baia-Mare, is located has a very low seismic activity. In these...

The species have been harvested from straw cereals by Barber soil traps.The gathering has been made during the growing season from spring until harvest. In the Barber traps, which consisted of plastic containers height of about 10-12 cm and 8-10 cm in diameter it was placed a solution of about 4% strength formalin. Six traps were used for each experimental variant, with a total of 18 traps. There were done many collection of materials at intervals of 10-12 days, the samples were labeled on each sample specifying: ...

The purpose of the work was to apply modern GIS technologies in exploration of a number of species of conservation value from the Chepan Mountain (Western Stara Planina, Bulgaria). A field survey was carried out and localities of the target plants were identified. The localities of Adonis vernalis L., Dactylorhiza sambucina (L.) S?o, Edraianthus serbicus (A. Kern.) Petrovi?, Tragopogon balcanicum Velen., Tulipa urumoffii Hayek were mapped by GPS measurements on the field. The data obtained were used as a basis for...

The special resources of renewable energy identified in Romania have generated far more extensive concerns and research on their capture, storage and use. The first part of this paper presents a couple of renewable energy sources, technologies for their capture and conversion, and also several new storage methods and technologies applied worldwide, in order to know the issue, scale and complexity of the field, advantages and difficulties encountered in harnessing these resources. By this we aim to identify the new...

Submitted paper summarizes the existing knowledge and experience of the survey works and groundwater monitoring in the Slatinice waste dump. In the area of interest there are several hydrogeological collectors with different hydraulic parameters. Especially there are collectors of quaternary sediments, burned clays, weathered volcanic rocks and saturated contact layer between the dump and its subsoil. From the year 2013 an intensive hydrogeological survey is being carried out in the Slatinice waste dump and its su...

Metal Oxide based Varistors are basically ceramics, acting as n ? semiconductors, having a poly-crystalline and dense structure. The main application of these power electronic devices is for construction of overvoltage protection equipment (for every voltage level), because of some advantages like: an increased level of non-linearity between the current and the voltage characteristic, a high energy adsorption capacity and an excellent good response time, which make them ideal for protecting other sensible electron...

In-Situ Combustion is one of the most important and promising methods for enhancing oil recovery for both light and heavy crude oils from reservoirs. In this method air is injecting into the oil reservoirs and causes ignition and in the next step it effects combustion inside of reservoirs. Nuclear Magnetic Resonance (NMR) spectroscopy as a fast and accessible technique was used to monitoring the light and heavy crude oils oxidation behavior. Herein, we investigated two light and heavy crude oils based on temperatu...

The cereals (especially, wheat) production increases in all regions of the World. However, the challenges of sustainable development and the demand for products with increased added value make the use of the entire crop for food unsustainable. Alcohol fermentation of grain by yeasts is one of ancient technologies created by mankind. Highly productive fermentations of lactobacilli and even bifidobacteria can be carried out also. A significant change of the approach is necessary as these bacteria are sensitive to th...

The cereals (especially, wheat) production increases in all regions of the World. However, the challenges of sustainable development and the demand for products with increased added value make the use of the entire crop for food unsustainable. Alcohol fermentation of grain by yeasts is one of ancient technologies created by mankind. Highly productive fermentations of lactobacilli and even bifidobacteria can be carried out also. A significant change of the approach is necessary as these bacteria are sensitive to th...

This article summarizes the findings of extensive hydrogeological mapping that has taken place over the past few years. The area of the CSA mine is situated at the northern edge in the central part of the Most Basin (North Bohemia, The Czech Republic). The area of interest is divided into several hydrogeological units, which are characterized by mutually different main determinants such as morphology, lithological characterization of the main types of rocks, tectonic violation. These are the following units: the c...

Formation invasion plays an important role in the modern drilling practices. The well completion and production cost play more and more important role as the petroleum industry meets new challenges. The well completion and stimulation cost can be reduced if the mud?s effect on the hydrocarbon-bearing formation is clearly known and can be modeled at the well design phase. Better mud selection leads to lower cost in the completion phase. Proper mud selection can be supported by early reservoir analysis based on prev...

The world leader artificial lifting method is sucker rod pumping when considering the lifted well?s number. However, those sucker rod pumped wells are mostly stripper wells. The optimal production of stripper wells is a key-question in the life of mature oil fields close to abandonment. Sucker rod pumping is a well-known technology however production optimization and continuous operation supervision are essential for the economical production. The economic considerations are more powerful limitation factors for st...

The last decades witnessed an explosive increase of the demand for digital data in the economy. This led to a significant growth in the number and the sizes of data centers. The energy used by the data centers has increased dramatically. This situation determined the quest for metrics that measures energy efficiency in data centers. A classical metric for measuring energy efficiency in data centers is PUE (Power Usage Effectiveness). It was introduced in 2006 by C. Malone and Christian Belady. It is defined as the...

Out of allbroad-leavedspeciesthat are to be found in our woods, ash trees have a special importance throughboththe great value of the wood andthe cultural qualities.The imbalancesin forest ecosystems due to the influenceof some climatic and anthropic factors havematerialized in the occurrence of some gradations of defoliationinsects, among themStereonychus fraxiniDe Geer, 1775.In the last few years the ash tree stands were increasinglyaffected, which requiredeven more careful preoccupation withthe prevention and c...

The ambition of universities is the implementing of new progressive teaching methods using state-of-the-art technical equipment. The general aim of modern teaching methods is to provide students with the widest range of information channels that can be used to obtain information and data. Students are specifically challenged to use this information. Based on this, students acquire their gained knowledge. This modern model prefers current pedagogy. One of the projects focusing on new trends in teaching is the proje...

This paper deals with new trends in fire testing of electrical cables. At present, the most widely used tests of electrical cables are reaction to fire tests. The cable systems powering electrical devices which have to remain operational for a certain period of time under fire conditions are additionally subjected to circuit integrity maintenance testing. New trends in cable fire tests include tests of critical heat flux, testing the effect of cable inclination, current load, voltage and frequencies to the rate of...