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The origin of the unusual landforms of Baer?s mounds on the Near-Caspian lowland is not well understood. One of the possible approaches to the understanding of natural history of the region is searching of similar regions. In the many papers the problem of mounds origin is revised but with not of review of geomorphological analogues in the World. Some author states that are not exist of similar landforms anywhere else. The topography characterize by the sets of parallel ridges and hollows / valleys. Range of lengt...

The present study seeks to relate the focal mechanisms of moderate earthquakes, regional tectonics and the tectonic stress distribution, in Albania. We have analyzed 33 moderate earthquakes (2.2 ? MW ? 4.9) recorded in the time period 2013-2015, by the Albanian broadband (BB) seismic network. Events were located within the upper crust, in the depth range 0 ? h ? 17 km, showing the present day active tectonics. Formal stress inversion of the focal mechanism data, support the variation in the direction of the actual...

The evacuation time of occupants in a fire event is a particularly important parameter, both for the development of emergency evacuation plans and in the post-event investigation. To estimate this time, the classic approach uses alarm / evacuation trials. These simulations involve the allocation of human and financial resources and have the disadvantage of not being able to cover a wide range of technically possible critical scenarios. Moreover, it has been shown that in real fire cases, human behaviour can be sig...

The development of the agricultural industry and increasing demands for bio-based products adds pressure on natural resources, such as water and soil. Soil is non-renewable resource and provides many ecosystem services, namely food and biomass production, water purification, nutrient cycling, carbon sequestration and habitats for biodiversity. The simultaneous achievement of socio-economic and climate policy objectives is challenging and requires careful management of soils as a pivotal resource. In Latvia, the ke...

The purpose of this paper was to develop an application to help make the decision regarding the robot model that meets the required requirements. The decision, the primary component of the decision-making system, is an essential element of management, being its specific tool of expression. In fact, the qualitative level of the leadership of an organization is manifested by the elaborated and applied decisions. In practice there are two types of decisions: the leading decision and the management decision. The decis...

The development strategy in tourism industry requires a complexity of processes which claim the combination of the economical, social and environmental factors, concreted in medium and long term progress of the tourism society. Generally, sustainable development follows the performance on three levels - economic, by increasing the development degree and resources development, ecologically through recycling and avoiding environmental and social degradation by increasing the number of jobs, re-launching the traditio...

Environmental compensation aimed at keeping bat flight paths open is a major environmental protection issue. The small mammals play a very important role in eliminating pests and insects, pollination and seed dispersal. New roads often sever the continuity of bat migration routes. Not only do bats have traditional migration routes, but also their winter habitats rarely change. Given the above, many countries use different solutions of sustainable civil engineering, geared towards maintaining free passage for bats ...

In celestial mechanics, when describing the dynamics of celestial bodies, as a rule, two approaches are used: numerical and analytical. The numerical approach began to develop from the middle of the 20th century, when powerful computers appeared. He gives high-precision ephemeris and the theory of rotation of celestial bodies. Analytical methods began to be used from the end of the 19th century. Thinkers of that time developed powerful mathematical tools that allowed obtaining celestial bodies coordinates with the...

Advanced information technologies and electronics technologies lead the medical industry to a high-tech level. However, until now many tasks remain unresolved in the field of medicine and public health. The express diagnosis and the rehabilitation of the spine and musculoskeletal system is one of the actual tasks. Although there are currently diagnostic and rehabilitation systems of the spine, they are all far from perfect. This is due primarily to the lack of adequate models of areas of the nervous system and the...

Industry is constantly forced to look for new ways to make production processes environmentally safe and products more competitive. In this regard, microbiological enzyme preparations increasingly replace conventional chemical catalysts in a number of industrial processes. Such preparations, in addition to environmental friendliness and high activity, have a number of advantages over enzyme preparations of vegetable and animal origin. With the aim of creating new recombinant lipase, we analyzed data on the activit...

The main succulent fodder for cattle in the winter-stall period is silage. For ensiling, amaranth was used - a promising high protein fodder crop, capable of satisfying the animals needs in nutrients. The main factor determining the timing of amaranth harvesting is the sum of the active temperatures (climatic conditions), which, when cultivated on silage, must be at least 1000°C. Ensiling was performed at different stages of vegetation: in the phase of the beginning of flowering, milk and milk-wax ripeness of seed...

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...

Energy policy of the European Union aims to move towards the sustainable and green energetics, therefore, identification and exploitation of renewable energy resources is of high importance in all EU member states. One of the types of renewable energy production is cogeneration of heat and power from biomass. Cogeneration becomes more and more topical in the Baltic States as various kinds of biomass, e.g., forestry and agriculture residues, cultivated plants for biomass are rather easy obtainable. For example, in ...

The molecular characterization of Genetic diversity of ten bread wheat (Triticum aestivum L.) varieties was evaluated at the DNA level using 6 agronomic characters and 16 wheat microsatellites molecular markers (Simple Sequence Repeat-SSR). SSR bands were scored across all genotypes, for presence (1) or absence (0) and transformed into 0/1 binary matrix. A pair-wise similarity matrix was generated with the software NTSYS. The Polymorphism Information Content (PIC) ranged from 0.23 to 0.70 respectively for the prim...

The discovery of Bakyrchik gold-sulfide black shale deposit was in 1953. It is situated in Western Kalba metallogenic zone, originated in late Paleozoic age as a separated line between palaeocontinents of Kazakhstan and Altai-Mongol. The Bakyrchik deposit has acicular arsenopyrite and arsenical pyrite containing micron-size (2-5 ?m) gold inclusions. It is large gold reserve (280 tons) in black shales of northern east Kazakhstan. The gold is associated with acicular arsenopyrite, lesser extent of pyrite. The sulfid...

At present there is an intensive growth of rivers? water use, which results in deterioration of water quality and hydrological regime. Small rivers are regulators of water regime of landscapes, maintain equilibrium and redistribution of moisture, as well as determine the hydrological and hydrochemical specificity of medium and large rivers. Drying, silting and disappearing of small rivers are the result of anthropogenic activity and climate change. Monitoring researches of surface water quality of small rivers is ...

This paper presents a novel control system design for the wind turbine model with PIC microcontroller power control system. The system uses Doubly Fed Induction Generator (DFIG) for wind power generation to generate electricity. For controlling power generation process the system applies microcontrollers PIC operating in multitasking mode. The proposed PIC controlled DFIG not only provides a low cost solution to today?s electric power needs, but also is aimed at delivering better power quality, making it ideally s...

In this paper the approach to virtual laboratory "Geoinformation Systems" creation is proposed. Virtual laboratory is a complicated system that consists of a lot of hardware and software tools. The laboratory was created in order to improve the quality of education in the fields of geoinformatics and information technologies. The laboratory provides scientific support of the educational process, integration of innovative research and educational activities. During the course of self-study, students have the opport...

Monitoring soil contamination with heavy metals is challenging because of the large areas of contaminated soil and the high cost of laboratory tests. For these reasons new measurement methods of metal concentration in soil based on the Fourier Transform Infrared Spectroscopy (FTIR) were tested. These methods include measurements made mainly in the near infrared region (NIR). Moreover the field implementation of these methods is considered. Previous results presented in the literature are not consistent and do not ...

Studies in the literature on the effect of dietary n-3 and n-6 PUFA on lymphocyte subpopulations in mammalian and poultry studies are contradictory. This might be due to differences in species, basal diet, fat amount, ratio of n-6 to n-3 PUFA and different fatty acids of n-3 PUFA. An inclusion of flaxseed in the diets of chickens can increase the n-3 fatty acids (FA) of poultry meat as it is rich source of ?-linolenic acid. The hepatic lipid metabolism of chickens helps in the incorporation of whole body and muscl...

The documents of the general cadastre may result from the centralized and selective take over of the data and all the cadastral records from the specialized cadastre, regarding the immovable assets that are their object of activity. These selectively taken elements use to update the general cadastre after the end of its introduction into an administrative territory. One of the main steps for completing the general cadastre is the realization of the real estate cadastre. This article presents the way in which the d...

Bacillus cereus is known could cause intestinal diseases as typical sporogenous contaminant of foods. On the other hand, probiotics form a number of factors to inhibit bacilli growth, e.g. short-chain fatty acids. The patterns of Bacillus cereus ATCC 11778 bacilli specific growth rate reduction by metabolites of bifidobacteria (both in pure substances and when produced in mixed culture) were applied for the model development. These regularities were supposed to be appropriate for prebiotic activity assessment in v...

One of the ways to study the evolution of natural environment, in particular, the soil cover is a comprehensive study of soils buried under archaeological sites. Comparative analysis of the properties of paleosols buried in different historical epochs allows us to examine in detail the spatial and temporal dynamics of the natural environment and its components in time. The use of such comparative analysis is possible because the burial of soil under embankments of defensive ramparts, burial mounds and cultural lay...

Rural areas are antipodes to urbanized and industrialized territories. At the same time, rural areas are obligatory components of the sustainable environment and economic development of countries and regions. The rural area mostly depends on environmental factors. Ameliorative factors, i.e. the suitability for improving the performance characteristics of the area, have the leading role as well. These factors effect on the development of agricultural production functions (specialization) and on the rural areas soci...

Sydvatten AB operates the water plant Ringsj? Agency in Stehag, Southern Sweden, and the company has since the 1970s deposited waterworks sludge in the sludge landfill at R?nneholms Mosse (bog), Sj?holmen (WGS84 55°48'46.1"N 13°18'25.6"E). In order to handle the produced future waterworks sludge from Ringsj? there was carried out a trenching and stratigraphic study of Ringsj? Agency waterworks sludge. The aim of the project was to roughly determine the mass balance for Fe and Al for the basis of the results to det...

The purpose of the present paper is to analyse the behaviour of a flexible pile foundation versus a rigid one when submitted to lateral cyclic action coming from waves or wind, through numerical modelling using 3D finite elements. The comparison elements are: the maximum pile head displacement and the evolution of the maximum bending moment. The numerical modelling has been performed using the software CESAR-LCPC [1]. The study has been performed for 15 cycles, but the numerical model has also served to create som...

In case of using equipment in areas classified as with hazard of potentially explosive atmospheres, this shall be designed so as to avoid the ignition of the surrounding explosive atmosphere in which it is intended to operate. Equipment designed for use in potentially explosive atmospheres have to be assessed according the provisions of the ATEX Directive 2014/34/EU regarding the ensuring of explosion protection characteristics. In case of electrical equipment this assessment usually uses the provisions of some sp...

Decreasing fossil fuel resources and the growing attention to environmental causes increased interest in alternative fuels. Currently as a liquid alternative fuels apply: methanol, ethanol, biodiesel (FAME), dimethyl ether (DME). They can be used directly, or as components of mixtures with conventional fuels. Attempts have also been made to apply recycled fuels for diesel engines. As fuel recycling used oils extracted from waste made of polyethylene and polypropylene, oil recycled from used lubricating oils and li...

We present the results of the of innovative information technologies within the geographic information management of spatially distributed systems to improve natural risk management in Venezuela. We used the basic provisions of the system analysis, as well as the authors developed a method of complexing geo-data and thematic information. In the article we describe the platform in the form of a distributed application proposed for the organization of the structure and integration of not only the volume of geospatia...

The paper examines the exposure of mountain creeks towards illegal waste disposal practices related to the lack of waste collection services in rural areas of Romania prior to EU accession and the low waste collection efficiency following the closure of rural wild dumps in 2009-2010. The paper estimates the amounts of household waste uncollected and disposed in selected small Carpathian rivers in the North-East development region. The expansion of built-up areas along the water courses leads to waste dumping pract...

Pyrometallurgy being a field of metallurgy where metals are produced using high temperatures a focus on slag quality to improve the recovery of the targeted metal. Amongst different properties required of the slag is its composition. Different sources of heat and reductants are used. Coal has been used either as a source of heat or a reductant. Depending on the place of origin of coal, its composition varies thus having an impact on the quality of slag produced, therefore on the metal. In the present paper, a comp...

The article contains information on methods of agricultural products quality control, as well as on the model of a robotic complex designed for sorting potatoes. A distinctive feature of the proposed complex is using the methods of active non-destructive thermal control and technology of technical vision in the visible range of the electromagnetic spectrum, as well as in the near (NIR) and middle (MIR) ranges of the infrared spectrum. The complex is based on using a roller conveyor providing rotational and transla...

The flue ash and slags are accounting a significant part of thermal electric complexes waste, which operating on solid energy fuel. Most of this by-product does not find further application, accumulating in ash-disposal dump areas. Meanwhile, ash-and-slag wastes can widely use as raw materials for the production of building materials. Considering the world trend towards an increase in the share of waste secondary use, it is necessary to forecast their subsequent processing in Russia too. The purpose of work was mo...

We focused at the presented study at the valorization of biomass ash as filler in the design and development of new eco-efficient alkali-activated geopolymers. Since coal fly ash is one of the main precursors used for alkali-activated geopolymer production, this research examines the use of biomass ash, which can have comparable chemical composition and physical properties to coal fly ash, and thus can be potentially geopolymerized in the same way. In this study, the wheat straw ash is used together with diatomace...

Nowadays, in order to satisfy consumer's profits and the requirements of the environment, manufacturers strive for more ecological, modern and innovative solutions in the area of heat distribution. The paper presents the results of the examinations of the importance of information systems in the process of distribution of heat for final recipients. The main research problem of the paper was to determine the answer to the question of whether IT systems used in the process of heat energy distribution are important f...

Nowadays a typical task in water quality modelling is to simulate the pollution spreading downstream, i.e. initial and boundary conditions are known. However, in practice opposite problems may occur: pollution concentration time courses in specific locations are known (e.g. based on the on-line monitoring), but the position of the pollution source is unknown. This type of task can occur in case of accidental pollution and is named as an inverse task. Particular importance has the inverse task application in urban ...

Land is a common wealth of citizens of the state and the heritage of future generations. It is a basic and non-renewable natural resource and forms an integral part of the Earth's ecosystems. It is and it will remain the basis of Slovakia's environmental, economic and social potential, therefore it must be carefully protected from damage and unjustified decrease in its size, quality and volume. Protection and use of agricultural land is a public interest (public good). Since the validity of Act no. 140/2014 Coll. ...

Ethanol dehydrogenation is commonly used as a process of production valuable products: acetaldehyde - the starting material for the synthesis of a large number of industrial chemicals such as acetic acid, acetate esters and hydrogen - attractive product for renewable energy. It is important also that alcohols produced from biomass (bio alcohols) can be considered as a renewable raw material. The purpose of this study was to elucidate the effect of composition and synthesis method of Al-Zr-Ce-complex oxides with 5%...

The main aim of this paper is influence of composition samples partially made from recycled silicon carbide on integrity of .products. Since the products are used in the foundry industry, it is necessary to achieve high wholeness and strength of the samples in order to avoid their disintegration during handling. Further restrictions are the requirements of the foundry on the limits of quantity of individual raw materials. Purpose of this research is using silicon carbide waste material and therefore minimalizes of...

The proposed paper presents the situation of the Aranca hydroameliorative arrangement located in the western part of Romania. The Aranca hydroameliorative arrangement was realized in 1965 and the completion of the land improvement works in this arrangement were realized between the years 1974-1977. Since the execution, a series of rehabilitation works have been carried out due to changes in agricultural practices in the area affected by climate change. This research assesses the state of the art as well as its fun...

The study of sediment transport in the coastal zone under the influence of waves and currents makes it possible to predict changes in the ecosystem of the coastal zone under various hydrometeorological conditions and anthropogenic influences. River runoff and abrasion processes are one of the main sources of solid matter entering the coastal zone, as well as one of the factors determining the changes in the granulometric composition of bottom sediments. Since the rivers of the Western Crimea are heavily regulated,...

The article analyzes the thermal and humidity conditions of the ?arnowska Peatland, which is part of a larger complex of raised bogs located in the coastal zone of the Baltic Sea in Poland. The research was carried out on the basis of long-term changes in air temperature, atmospheric precipitation and field evaporation (1951-2015) from the synoptic station in ?eba. The mentioned indicators were used to determine their impact on the formation of seasonal variability of groundwater level on the peat bog. The climati...

Restructuring of mining activity in Romania resulted in active implementation of reconstruction programs, upgrading and modernization of the mines in the Jiu Valley. These programs were aimed mainly at increasing labor productivity safely. Considering, along with requirements for ensuring a safe and healthy working environment, also the issues related to the drained methane valorization and to environmental protection restrictions it was imposed to rethink the so-called "global methane treatment" at the level of m...

The paper gives comparative analysis of the method of vacuum extraction of Chaga carried out by the authors. The process supposed that the ground Chaga was pre-vacuumed for 10 minutes in order to release the holes from air and moisture vapor and conduce efficient time pregnation of the extractant; further, the author saddled still dewatering the ratio 1:10 and kept at the temperature of 70°C.In the process of extraction, the pressure was hourly lowered to 0.3 atm, which promoted the boiling of the extractant in a ...

A tough requirement for the development of the Partomchorr apatite-nepheline ore deposit containing rare-earth elements is a performance of environmental safety of production, because a sanitary zone of the projected mining and processing plant sides with the boundaries of the existing Simbozersky nature reserve and the created Khibiny national park. The studies have substantiated reasonability of the Partomchorr deposit development by a combined mining method; in the first stage step-by-step mining of four open p...

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(...

Last years the use of sub- and supercritical fluids in the catalyst synthesis is a great attention. Because of the unique properties subcritical water allow synthesizing the metal-based catalysts with the desired size, dispersity, structure and morphology of the active phase. In this work, we report the study of the structure of polymer-based Pdcontaining catalysts synthesized by hydrothermal deposition. It is shown that the use of palladium chloride as a metal precursor decreases significantly the specific surfac...

Packaging waste are one of fastest growing waste streams. Trends in waste generation show an increase in the volumes of waste produced in most countries and it is clear that the trend will continue. Currently, the management of packaging waste represents a major economic and environmental issue throughout the world. Therefore, the proper management, treatment and disposal of packaging waste becomes a pressing problem and a major environmental concern. Due to the fact that, the amount of generated packaging waste, ...

Facilities and technical systems used in coal mines have limited durability. This is the result of very difficult conditions in which they are used. In particular it applies to environmental conditions and not entirely predictable load states of these facilities. Mining machines and devices are also exposed to various types of hazards, which in many cases significantly reduce their durability. For this reason, it is very important to properly use them and supervise and monitor their work. In this respect, huge res...

The impact of civil aviation objects on the environment is characterized by a number of features related to the fact that this kind of anthropogenic activity is rapidly developing, taking on increasing importance in humanity`s life. Also, civil aviation is one of the most important connecting elements of international relations. Improving the efficiency of fuel resources applying, which is one of the priority directions for the country's economy development, increases the environmental safety of the investigated o...