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Investing in real estate has always been considered an attractive form of multiplying capital. It is not a risk-free kind of investment, nevertheless many people, decide to locate their money in that kind of good. There are many things that potential property investors have to analyze in order to minimize the risk of investment failure. One of them is property value. Most of the properties are sold according to market conditions. In other words, these are transitions where a willing buyer and a willing seller in a...

There are rich heavy oil resources in Russia. The paper deals with bituminous sandstones in the southeast of the Republic of Tatarstan (central Russia). The shallow depth and high reservoir thickness of these deposits are very favorable factors for the heavy viscous oil development. Due to this, heavy viscous oil deposits of this territory are of great interest. The conventional approaches for reservoir characterization and development monitoring are complicated for such bituminous deposits. Currently, in the fram...

The complex of physical-chemical investigations on study of regularities, mechanisms and peculiarities in the oxidation process of an alloy 06XN28MDT has been carried out. As a result of the corrosion tests the corrosion losses of Cr, Ni and Fe from surface of alloy 06XN28MDT in chloride-containing commercial waters with pH=6; 7 and concentration of chlorides 600 mg/1 have been determined. The regularities and mechanisms of corrosion dissolution of Cr, Ni and Fe from surface of alloy 06XN28MDT depending on change ...

Estimating the growth level per unit of hectare and the level of production of wooded areas for accurate obtaining and portfolio is significant in determining the supply of wood for an efficient management system. The present paper is based on the evaluation of six growth seasons locust tree (Robinia pseudoacacia). The monitored sectors are located in the eastern part of the Romania. The climatic gradient can also be neglected due to the nature of the studied areas. The timeframe in which the study was conducted r...

Asphalt concrete correspond to dispersive strengthened composition material, in which organic matrix-bitumen takes over all the load and forces. The structure and properties of asphalt concrete are determined mainly by the phase and physical state of the organic matrix-bitumen. In this paper the results of В«AdgezolinВ» additive in the composition of asphalts based on oxidized (produced by OJSC В«TAIF-NKВ») and non-oxidized (Elkhovskoe oil refinery plant) bitumen are discussed. It is revealed, that adhesive additi...

Economic activities in Jiu Valley, as integrated components of major geographical entities, are constantly degrading the area?s natural heritage by depositing large quantities of waste products resulted from coal extraction and preparation, abandoned buildings and poorly refurbished sites. In this respect, the current paper addresses these areas by identifying and classifying the potentially contaminated/contaminating industrial sites in Eastern Jiu Valley, depending on the type of activity carried out on site. Th...

Property is a good of specific features that can satisfy many types of needs. Even though properties in many situations are identified with fulfilling living requirements (for example residential apartments) they can also be subject to the capital investment and the source of its obtainment. Investing in real estate is a proven way of income multiply. Buying an apartment for investment purposes is becoming a more and more popular form of investing capital, as rent income is more profitable nowadays than deposits a...

This work is investigation of the rheological properties of the developed additive based on polymer - sevylene with the addition of nanostructure alumina particles were studied. The regularities of the decrease in the dynamic viscosity at the temperature range from 20 to -10В° In the course of the studies, a regularity was revealed, showing that for oil at a shear rate of 0.028 to 1.4 s-1, a sharp decrease in viscosity from 1800 to 336 mPa?s is observed. For oil with an additive, the viscosity decreased from 1200 ...

The geological environment is essentially heterogeneous, consists of blocks, layers, lenses, joints of various shapes and sizes, lying horizontally, obliquely or in the form of complex folds in the earth's crust, and it is characterized by great complexity and heterogeneity. The shear in the direction of the joint is one of the main reasons for the destruction of the underground tunnels and mine workings, wellbores. Understanding of shear behavior allows optimal design of mining facilities and prediction of the ge...

The accelerated ageing affects the quality of an important element of the belt conveyance ? a conveyor belt. This paper analyses the resistance of the belt cover layers to the deterioration caused particularly by the accelerated ageing. The investigation was carried out using the fabric conveyor belts of the P 2000/4 type (4-layer textile belts with a polyamide carcass, the strength of 2,000 N/mm) at different ageing periods. The effect of ageing on the rubber cover layers was identified on the basis of the observ...

In this study, the effect of physical, chemical and mineralogical properties of mine tailings on the microstructural, mechanical and durability properties of cemented paste backfill (CPB) samples prepared with normal Portland cement were investigated. Depending on the characteristics of the tailings, the difference in strength varied in the range of 6-22% between similar types of tailings. However, higher strength values about 61-86% were obtained when the fine material was removed from normal tailings. Porosity v...

The article covers the theory of gravity separation suspension flows. The indicated factors affect the separation processes. The proposed criterion estimates the possibilities of dividing the hydraulic separation coefficient, which is alternative the equal fall coefficient, but taking into account the influence of the particle shape. The calculations results are shown which are indicated greater the flattened particles separation in the gravitational-centrifugal devices. The greatest interest is comparing of recov...

In this study, the potential use of dam tailings (DT15 m., DT40 m., DT65 m.) of a copper mine for paste backfill material was investigated. Cemented paste backfill (CPB) samples were subjected to the uniaxial compressive strength (UCS) test at 7-14-28-56-90-180 days of curing ages. A total of 378 CPB samples were prepared at different binder dosages of 5.5?11.0 wt% by dry weight to determine an optimum CPB mixture with a target UCS of ?1.0 MPa over a curing period of 28 and 90 days. The strength development of CPB...

The study of aquatic systems is an extremely important issue in the context of saving. natural resources. In this respect, the description of the evolution over time and the dynamics of some status parameters describing the dynamic aquarium system is a rather difficult problem. This paper presents a method of representing evolution over time and some status parameters that allow assessment of the status of an aquatic system. The method outlined in the paper is based on the use of automated automatic neural network...

The aim of this paper is to study the physical properties of soils as key factors in favoring pluvial denudation and the spatial distribution of degraded areas through hydric erosion. The soil types from the degraded areas and the soils physical properties that influence the erodibility were analised in the south-western part of the Seca?e Plateau (Romania). Field geomorphologic and pedological observations and laboratory physical analyzes of soil samples (texture, permeability, porosity and degree of compaction) ...

A sound measure for the overall efficiency and economy of a power plant is the Energy Return on Investment (EROI). The EROI values could be evaluated for different types of power plants including photovoltaics, wind energy, solar thermal, hydro, natural gas, biogas, coal and nuclear power applying the exergy concept with no ?primary energy weighting?. It makes possible to directly compare the overall efficiency of the power plants on a uniform mathematical and physical basis. Pump storage systems, needed for solar...

Zinc oxide nanoparticles (ZnO) are a promising material for a variety of applications due to their unique characteristics and properties, including optical, chemical, semiconductor and piezoelectric. A lot of scientific papers are devoted to the antibacterial action of ZnO nanoparticles. As the main mechanism responsible for the antimicrobial action of ZnO in modern studies, photocatalytic generation of hydrogen peroxide H2O2 is indicated. In addition, in a number of studies it was found that the slowing of bacter...

Zinc oxide nanoparticles (ZnO) are a promising material for a variety of applications due to their unique characteristics and properties, including optical, chemical, semiconductor and piezoelectric. A lot of scientific papers are devoted to the antibacterial action of ZnO nanoparticles. As the main mechanism responsible for the antimicrobial action of ZnO in modern studies, photocatalytic generation of hydrogen peroxide H2O2 is indicated. In addition, in a number of studies it was found that the slowing of bacter...

Preservation at positive temperatures is limited in time. The common technique to reduce metabolism is by reducing the temperature below ambient, using refrigeration or cryogenics. Therefore, these methods are used to preserve biological matter (cells, tissues, organs, vegetables, fruits etc.). Preservation at negative temperatures is possible with limitations in time and imposes also other biotechnological challenges. Long term preservation below freezing temperatures is not successful yet for organs and tissues....

Preservation at positive temperatures is limited in time. The common technique to reduce metabolism is by reducing the temperature below ambient, using refrigeration or cryogenics. Therefore, these methods are used to preserve biological matter (cells, tissues, organs, vegetables, fruits etc.). Preservation at negative temperatures is possible with limitations in time and imposes also other biotechnological challenges. Long term preservation below freezing temperatures is not successful yet for organs and tissues....

The pancreas of cattle is one of the most important by-products produced in the meat processing industry. Meat processing plants of medium capacity per year produce at least 40 tons of pancreas of cattle. The pancreas is a valuable raw material for the biotechnology, because it has high contents of hydrolytic enzymes. Among them, the most important enzymes are ribonuclease, proteases, amylase and lipase. The most perspective is the implementation of low-waste technology, involving the isolation of the maximum numb...

The pancreas of cattle is one of the most important by-products produced in the meat processing industry. Meat processing plants of medium capacity per year produce at least 40 tons of pancreas of cattle. The pancreas is a valuable raw material for the biotechnology, because it has high contents of hydrolytic enzymes. Among them, the most important enzymes are ribonuclease, proteases, amylase and lipase. The most perspective is the implementation of low-waste technology, involving the isolation of the maximum numb...

The Organization of the future is a modern organization which combines old staff know how with young staff enthusiasm and management tools customized for knowhow transfer. EU migration, global economic situation, crises, IT new challenges (global networks), robotics and the new way of human being interaction contribute to a new society, to a new business approach. Knowledge transfer will make a difference; will create a new framework for new business models designed to survive on the market. The question is whethe...

The purpose of the present study, included in the research project SECOSUD Phase II, called ?Conservation and equitable use of biological diversity in the SADC region (Southern African Development Community) [1], is to describe the existing baseline situation in term of geological and hydrogeological conditions of the Kruger National Park, providing a starting point for understanding the water resources status quo, potential hydrogeological issues and concerns to assure a sound and correct water resources manageme...

Erosion of underground grout element resulting from the physical-mechanical effect of groundwater is a crucial problem, therefore the erosion resistance of grout element should be addressed in more detail. This paper aims to experimentally define the erosion resistance of underground grout element subjected to water flow-induced hydraulic forces. Laboratory tests were performed to investigate the resistance of geo-composites that practically form the grout element when applying the jet grouting technology. Erosion...

The amount of oil reserves considered difficult to recover is constantly increasing and this has become a major current feature of oil production associated with the development of heavy and high-viscous oil fields. The efficiency of their development requires considering the thermodynamic and rheological characteristics of the crude oil to be extracted. The knowledge of rheological parameters, such as viscosity, shear rate and shear stress of crude oil is vital to most areas of the petroleum industry and is espec...

The conveyor belt as the composite is made of different materials to ensure its required mechanical properties that correspond to the handling characteristics of the transported material. The basic elements of the composite structures are top and bottom cover layer from rubber and carcass with fabric plies. The composite structure - the number and type of fabric plies, the type and thickness of cover layers or the bumpers is designed according to the specific mining conditions. The bumper is designed to absorb the...

The TM-71 dilatometer is a device manufactured in the 60s of the 20th century in the Institute of Rock Structure and Mechanics of the Czech Academy of Sciences. It has been developed as a reliable and easy-to-use rock crack monitoring facility capable of working even in the least favorable climatic conditions. It is a purely mechanical system capable of determining relative shifts and rotations in all three axis of two monitored blocks. The device is read out using two pairs of overlapping optical patterns, which ...

Land use and land cover (LULC) in the vicinity of airports are the key elements in spatial planning and aerodromes development. In many geographical contexts there are cartographic databases or geographic information systems providing necessary and updated information on LULC. On the other hand where the geodatabases are not available or outdated the satellite images can be used for mapping, especially weatherindependent radar imageries. Synthetic Aperture Radars (SAR) operating in microwave region (L-, C- or X-ba...

In developing countries or transition countries, there emerges popular trend as local governments executed land use reform to achieve higher efficiency in land use planning and to allow better resource allocation in rural society. Land tenure reform is the first and foremost step to pave the way for later institutional improvement in the land use planning process. In Vietnam, the transformation took place as result of a new Land law in 1993, which endorse rural household as a production unit; they are allocated la...

Impact of the municipal solid wastes (MSW) landfills on the environment is caused by issue of a filtrate and biogas and also atmospheric transfer of material of waste from a surface. As a result an underground water and surface water, soils, unsaturated zone deposits, atmospheric air are exposed to intensive pollution. The most active and aggressive agent of transformation of components of the environment near landfills of solid municipal waste is the filtrate which impact, first of all, on underground waters. The...

Recent research has demonstrated that landscape fragmentation causes biodiversity loss. Our main objective was to evaluate the landscape fragmentation by analyzing land use and land cover (LULC) change in the Subcarpathian area, during the post-communist period. We used the spatial data from the EEA CORINE Land cover database (CLC 1990 and CLC 2012) to calculate six landscape metrics in the Patch Analyst 4 (Grid) software, in order to express the modifications in size, composition, spatial distribution of patches ...

This study is disclosing the composition of diverse parts of the one natural system. The research is based on system's and comparative analysis. We define sequential change of landscape units in the course of their moving up the Aktru River Valley (from the steppes of the Kuray basin to the glacial and nival highlands). The sites of mountain-valley tracts, which are characterized by the greatest danger for recreational and economic activity are allocated. Recently, there has been a descent of mudslides also from t...

As a rule, landscape conditions are not static. It is constantly changing, and in some cases repeats the trend of global change. In some cases, it is caused by the local, region specificity. The current landscape change, which is going on for a long period, is often human induced. The scale of such impact determines the degree of landscape transformation. The work is about Samtskhe-Javakheti region, which is located in the southern part of Georgia. The region is distinguished by its diverse environment, alternatin...

Almost all geology and engineering geology attributes of soil in Nam Dan commune, Xin Man district, Northwest province of Ha Giang, Vietnam are sensitive to landslides. This has been proven by the analysis of experiments, especially in-situ experiments. Based on the analysis of engineering geology characteristics and available maps of terrain, geomorphology, geology, tectonics and weathering crust, a geological engineering map has been established and is used for studying landslides. The map serves as a reference ...

In this paper, a map zonation of landslide hazard and mass movements risks at the Goloord area (north of Iran), using Analysis Hierarchical Process (AHP) was performed based on the parameters of slope, slope direction, elevation, rivers, precipitation, faults, roads, geological unit and land usages. For optimization of the various parameters? effect that would lead to landslide occurrence, the effect dimensions of each of these layers were applied and the zonation of landslide risk in the region was mapped. The AH...

At present lasers are used in many fields of the technique. They are useful among others in metrology, incremental methods of manufacturing of the parts made from powders of metals or ceramics, to surfacing by laser welding (building up). Laser beam can replace traditional methods of machining, as far used in the technological processes, but related to decrease of the material and the turnings formation. However preferred in modern industry the cleaner production strategy recommends the replacement old methods and...

Lake Taymyr is largest lake in Eurasian Arctic. Late Quaternary environmental history of the area has been studied extensively during the last decades. However, Late Pleistocene and Holocene history of Lake Taymyr itself remain uncertain. More information concerning lake-level changes and climate conditions can be obtained by studying lake terraces. During summer 2016, several outcrops of Lake Taymyr terraces (10-m high and 25-m high terraces) deposits have been investigated. Here we present the results of litholo...

. Clusters are one of the main priorities in consolidation and development of innovations in Europe. Strengthening the competitiveness of the Latvian fisheries sector cluster is in the basis for achievement of the goals of the EU Common fisheries policy and management of the proper policy in the sector, which can facilitate growth of the state's economy, especially development of the areas important for fisheries. The aim of the research is to give a general insight into the Latvian fisheries sector cluster and it...

In this study, alkaline leaching using sodium carbonate and sodium bicarbonate analysis was applied on different raw samples while the raw samples were digested to analyse the uranium content prior to leaching using successively ICP-OES. The recovery of Uranium is by use of very economical alkaline leaching method. Ore samples: 1436, 1437, 1439 and 1440 were investigated for leachability of radioactive metal prior to leaching using digestion methods. Sample 1436, 1437, 1439 and 1440 assayed 918, 1883, 1757 and 121...

Each of the national committees organising the Games is required to provide stadiums and related infrastructure capable to accommodate hundreds of thousands of spectators within a short, 40-day period of time in order to carry out the Olympic Game. At the same time, the International Olympic Committee calls for providing a complete buildings that are sustainable, energy-saving, with the use of energy from renewable sources (ie. solar-, wind-, geothermal energy, etc), building skins designed to eliminate thermal lo...

Environmental safety is part of the country's national security and is provided through legal and economic instruments. One of the main threats to the ecology of Russia is the consumption and production waste. The article deals with the legal and regulatory framework for the implementation of activities in the area of waste disposal in the Russian Federation, and outlines the main principles of economic regulation in the field of waste management. The analysis of environmental taxes and payments related to waste m...

The article is devoted to the consideration of one of the most pressing problems of Russian reality - ensuring the environmental security of the country. This problem is investigated by the authors in the context of their awareness of the fact that Russia's environmental problems are part of the global environmental problem and, accordingly, require for their solution not only domestic measures, but also broad coordination of environmental actions of the Russian Federation with the actions of other countries and i...

The right to environmental protection is enshrined in Article 44, Section 1 to 5 of the Constitution of the Slovak Republic. From the point of view of the theory of law, it is included in the third generation of human rights, which emerged later than the first generation and the second generation. Its formation is associated with the second half of the twentieth century, a period of renewal of the destroyed countries by war. Third-generation rights make the need to protect people from the threats posed by post-mod...

Currently, new solutions in the field of alternative fuels are being sought after, taking into account the economic and the ecological aspects of their production. Due to the depleting resources of conventional fuels, one of the currently considered new research directions is the production of fuels derived from unconventional sources. This is due to the constantly increasing number of vehicles and growing traffic. It is noted that the consumption of gas oil is larger than that of gasoline. Therefore, potential fu...

Cyanobacteria are prokaryotic, photosynthetic organisms with long evolution, cosmopolitan distribution and great biodiversity. Many cyanobacteria produce secondary metabolites with hepatotoxic, neurotoxic or dermatotoxic effects, called cyanotoxins. Bloom-forming cyanobacteria can reach high concentrations in water basins and cause death of fish, birds and domestic animals, which determines them as ecological and health risk factors. Their simple morphology and high degree of variability make their taxonomic class...

This article is focused on the issue of lightweighted plasters. Lightweighted plaster can contribute to the contemporary tendencies of higher thermal insulating abilities of all structural materials with sufficient mechanical characteristics. Two mixtures were designed with the lightweight expanded perlite aggregate. The first one contained only expanded perlite as aggregate, whereas in the second one, the plaster silica sand was used instead of one-half of the lightweight aggregate. Lime-based components with adm...

Determining the weights of market features of real estate in explaining their prices is one of the basic objectives of the market analysis carried out as part of property valuation. In practice, property appraisers usually settle for basic methods of determining weights, e.g. based on the principle of ceteris paribus. The paper proposes the use of curvilinear correlation coefficients for this purpose, an attempt of such use was made and the obtained results were compared with the weights determined on the basis of...

In the last years, due to its benefits, the syrup has gained a valuable place on the market, can be extracted from many flowers and medicinal plants, and from all kinds of fruits that can be squeezed out. Many studies have highlighted the beneficial therapeutic effect of fruit and herbal syrups as a cure for various diseases. Due to their curative properties, being good detoxifiers, general tonic and immunostimulating, the syrups have a major importance in modern food, having a dual functionality, namely that of f...

In the last years, due to its benefits, the syrup has gained a valuable place on the market, can be extracted from many flowers and medicinal plants, and from all kinds of fruits that can be squeezed out. Many studies have highlighted the beneficial therapeutic effect of fruit and herbal syrups as a cure for various diseases. Due to their curative properties, being good detoxifiers, general tonic and immunostimulating, the syrups have a major importance in modern food, having a dual functionality, namely that of f...