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In the work we consider the problem of optimal organization of healthcare system taking into account both map and statistical data. Map data include degrees of urbanization which classify the character of an area. This approach is based on mapping the territory by a grid square cell of 1 km2. Data about public health include research concerning spreading of basic infectious diseases and distribution of hospital system. Decision making is based on application of decision tree induction algorithm for tuples containi...

In the work we propose the model of cellular automata for predator-prey system, which is based on the system of lattice differential equations with delay. The model is based on biological assumptions for arbitrary cell. Each cell can assume a value of state in some discrete scales, which mean density of predator or prey population that the cell contain, respectively. We have some constant birthrate for prey population. Preys are neutralized by predators with some probability rate. Prey population tends to some car...

In the work we propose the model of cellular automata for predator-prey system, which is based on the system of lattice differential equations with delay. The model is based on biological assumptions for arbitrary cell. Each cell can assume a value of state in some discrete scales, which mean density of predator or prey population that the cell contain, respectively. We have some constant birthrate for prey population. Preys are neutralized by predators with some probability rate. Prey population tends to some car...

Although significant progress has been made in maintaining equipment in industrial systems in an effective manner, maintenance of equipment remains a challenge due to factors such as size, cost, complexity, and competition. Any undesired event may present an immediate environmental, performance, or safety implication. Thus, there is a need for effective maintenance engineering and maintenance practices that will positively influence critical success factors such as safety, product quality, price and profitability....

The public hearings are the kinds of the public control?s forms. These hearings are usually devoted to considering of environmental issues, problems of town planning, land use, i.e. the most important problems for population. Research objective is search of additional legal opportunities for citizens' activity in questions of local life. The author analysed the positive experience of participation of inhabitants in some American municipalities by solution of city problems. However there is a number of the problems...

Waste from poultry farms represents the greatest danger to people and the environment among all types of bio waste. Approximate estimates show that in Russia up to 15 million tons of manure and a mixture of litter with sawdust or straw are formed annually. The original litter is a toxic substance; the main bacteria in the litter are E. coli and Salmonella. The process of torrefaction of a mixture of manure and sawdust was studied. The torrefaction proceeds in a reactor consisting of three sections with horizontal ...

A hydrogeological map is a cartographic model reflecting the structure, regularities of formation and spread of gravity underground water. Traditionally, cartographic data on hydrogeology are presented as a rule in hard copies or in formats of graphic editors. Another large part of cartographic data is presented in the formats MapInfo and ArcGIS, which does not meet criteria identifying their belonging to up-to-date information systems, and as consequence, limit digital processing of data and its spatial analysis....

Systematic research on the collective behaviour of formal grammars started in the 90s of 20th century. One of the variants of grammar system models was inspired by eco-systems and it is called eco-grammar systems. Eco-grammar systems describe the interplay between an evolving environment and the community of agents which form the eco-system. Each agent as well as the environment of the eco-grammar system is represented by its own 0L scheme. Agent in the eco-grammar systems can change environmental symbols independ...

Implementation of the development program for the Northern and Arctic territories is not possible without the use of modern materials and technologies in the construction industry. One of the most common and popular building materials is the fine grained concrete, for the production of which, use chemical additives, mainly imported, improving the performance characteristics of the composite. Therefore, the actual problem is the replacement of imported components with Russian-made additives. As such an additive, te...

An exceptional occurrence can generally be regarded as a manifestation of risk. In order to handle it, it is necessary to have sufficient amount of information about the risk itself as well as about potential sources and means to deal with the situation it evokes and the preparedness of citizens. In Slovakia, it is mainly the risks of natural character which are, for the purposes of crisis management, evaluated based on a methodology from the year 1994. The ever-extending list of potential risks leads to the need ...

Agricultural production is based on responding issues related to climate change in the coming years. Frequent drought seasons lead to a decline in yield production, and negative hydrological balance is expected in the future, which will also affect water consumption for agriculture [1]. Based on sap flow measurements, it is possible to optimize irrigation. For our experiment was used the grape vines in Nitra region, on which we installed Dynagage Sap Flow Sensors with the Flow 32-1K Sap flow system, which measure ...

Nowadays crop management seeks techniques and practices to enhance production and to optimize the use of natural resources. Most of the developing countries need reliable techniques which can help in increasing production to meet the demand for food. The techniques should be able to forecast crop yield and to detect problems ahead regardless of the technical or the natural conditions. Geospatial technologies including remote sensing play a vital role in mapping and in monitoring crops. However due to many obstacle...

The study area is located 80 km east of Denizli province. Sedimentary units in the study area are composed of conglomerate, sandstone, and mudstone containing coal. The aim of this study was to assess the thermal maturation and maceral associations of organic matter rich rocks from Hayrettin Formation by using organic geochemical and organic petrographic analysis. The total organic carbon (TOC, %) contents of sedimentary rocks range from 2.12 wt.% to 34.35 wt.%, and hydrogen index (HI) values are between 25 mg HC/...

Woodchip material is one of the most promising fill media for denitrifying bioreactors. Woodchip denitrifying bioreactors are used for nitrate reduction in the outlets of drainage systems, shallow groundwaters, etc. Despite their overall positive effect, undesirable leaching of organic compounds from the fill medium can occur during a bioreactor?s start-up phase. The released organic compounds can cause oxygen depletion and some of them can have a toxic effect on biota. The paper presents the quality of leachates ...

The paper is focused on literature review from the scientific works in area of utilization of biomass in agglomeration process. Actual environmental potential of biomass, as well as its availability, emphasizes the importance of this topic. The composition and properties of biomass differs from the fossil fuels. It is important to view on utilization of biomass in agglomeration process in wired then ecological context. Technological and economical parameters are also important for its utilization. The type pf the ...

Paleosol profiles from the reference section of the Urzhumian stage of Middle Permian in the Cheremushka Ravine, the Kazan Volga region, were studied in order to detail the paleogeographic and palaeoclimatic conditions. Field and laboratory methods, including grain size analysis, optical microscopy, X-ray fluorescence of siliciclastics, X-ray diffraction of clayey component, were used. Urzhumian succession of 70 m thick is represented by red-bed fluvial-lacustrine deposits with predominance of mudstones. The upper...

The results of the palynological analysis of the sediment core recovered in Lake Rubskoe (Ivanovo Region, Russia) in 2015 are presented. An environmental reconstruction of Holocene and late Pleistocene vegetation, climate and lake dynamic was inferred. Pollen analysis has shown that vegetation of the area was dominated by Betula pendula, Pinus and Alnaster. Herbaceous were mostly represented by Artemisia, Chenopodiaceae. Sphagnum spores finding in the in the upper layers of core indicates a significant moisture co...

When thinking about sustainable design, social sustainability appears to be a fundamental feature that must be considered when shaping people and communities. This broad subject is narrowly approached within the present article following one specific viewpoint; social sustainability can be defined in the design process by analyzing materials? potential in crafts` and industries` activities alike. Paper`s potential on both these levels, in developing, through its production process, small scale communities and larg...

For reasoned reconstruction of initial presence of various organic substrates in the soil-ground material of archaeological sites, a model experiment was performed, where the dynamics of decomposition of organic substrates of protein, lipid and polysaccharide composition by soil microbial communities was studied. The experiment was carried out on gray forest soil under optimal conditions (60% WHC, 25oC). Soil samples were enriched by one of the substrates of protein (gelatin, casein, and sheep wool), lipid (sheep ...

Positioning is a critical task for applications that involve mobile nodes as well as applications that rely on fixed nodes. The Global Positioning System (GPS) is a satellite-based navigation system that provides its users with proper equipment access to positioning information. The Iterative Least Squares (ILS) and Extended Kalman Filtering (EKF) techniques are two of the most commonly used approaches for GPS positioning. Both ILS and EKF techniques are based on the same pseudorange equation and both of the techn...

In the context of climate change and sustainable development, the discussion has been raised in the society about the long-term benefits and possible losses of different farming types. In the discussions about the future of the CAP, it has been stressed that tackling climate change and preserving the environment is the most serious challenge facing the EU, and the CAP must help by setting new goals to ensure that EU farming contributes meeting the international commitments on sustainability. The paper deals with t...

The structure and phase composition of annealed and irradiated beryllium plates were studied by X-ray analysis. Durable X-ray irradiation leads to phase transition of a normal hexagonal beryllium lattice into a beryllium superlattice. This superlattice is composed of beryllium superatoms that form a face-centered cubic lattice with the lattice parameter of 6.2205 ? and a superatom core that crystalizes into a diamond-type lattice with the lattice parameter of 1.5703?. It is shown that beryllium has three phase sta...

Nosocomial infections have an important place in human pathology, becoming a major public health problem due to the high frequency of multiresistant strains, with afferent consequences. In the Intensive Care Units (ICU), nosocomial infections represent a constant risk due to a cumulus of factors that increase susceptibility to infections, respectively: decreased immunity due to underlying pathology, patient exposure to a series of invasive manoeuvres, poor nutritional status etc. The purpose of this study was to e...

Nosocomial infections have an important place in human pathology, becoming a major public health problem due to the high frequency of multiresistant strains, with afferent consequences. In the Intensive Care Units (ICU), nosocomial infections represent a constant risk due to a cumulus of factors that increase susceptibility to infections, respectively: decreased immunity due to underlying pathology, patient exposure to a series of invasive manoeuvres, poor nutritional status etc. The purpose of this study was to e...

The water pollution caused by nutrients has become a problem, especially in agricultural areas. Nitrogen (N) and phosphorus (P) can cause the eutrophication of surface waters, and problems with their use as drinking water sources. One of the possible solutions is to employ denitrifying bioreactors, which are used for the reduction of high nitrate concentrations in shallow groundwaters. Our research was focused on the enhancement of these bioreactors with steel byproducts. These materials release Fe, which causes t...

According to State Forest service data in 2018 Norway spruce occupies 19% (0.533 milj. ha) from total forest area in Latvia. Disease and pest intense spread and damage in different forest ecosystems is result of climate change creating a risk to forest management. Spruce bus scale (Physokermes picea Shrnk.) in Baltics including in Latvia up to 2009 were detected only in parks growing trees but after 2009 also in different age P. abies stands especially on drained soils including Myrtillosa mel. Research aim is to ...

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 ...

Amines play an important role in the modern chemical engineering. It is a key intermediate for agricultural, pharmaceutical, textile, polymer and other fields of industry. Bio-basedamines, e.g. the derivatives of isohexides, are of a great attention. Nowadays, different methods of the synthesis of polyamides, polyimides, polyesters, polyurethanes, and polycarbonates on the base of isohexides are developed. Thus, mono- and diamine derivatives of D-isosorbide are considered to be a prospective feedstock for polyamid...

Seaweed extracts have many uses. Growth stimulation results obtained from different plant species are mentioned. Also, algae extracts are used to reduce biotic and abiotic stress. Salt stress is one of the most important factors decreasing the productivity of plants. High soil salinity can have a negative effect on major physiological processes. In our work, we investigated the response of Phaseolus vulgaris L. cv. ?Berggold? plants treated with SuperFifty solution (1:1000 and 5:1000), under salt stress conditions...

When it comes to efficient use of water, especially groundwater, a water / water heat pump is a very good example of its high efficiency at the optimal qualitative and quantitative conditions of the groundwater used. Hydrological and hydrogeological conditions on the territory of Slovakia is for several factors, mainly with the geological structure, location and clime. All this terms influence richness of surface, underground but also mineral water. The main objective of this article was based on knowledge of the ...

The authors of this article describe the suitability of using light dynamic penetration in the target area. The area of this survey was selected on the already reclaimed area, which, however, proved to be unstable. The main objective was to locate individual water-saturated horizons in the locality and, eventually, to determine the shear areas on which instability occurs. For this reason, several geodetically measured points were selected for dynamic penetration measurement. By this method, the water-saturated hor...

Even if the European Commission estimates that the end-of-life recycling input rate for coking coal is zero, some initiatives proved that coal could play a role in circular economy. Coal-fired power plants still play a significant role in electricity generation although a lot of renewables were developed. Coal combustion produces a relatively small amount of fly ash that is used in cement factories and a large amount of bottom ash that cannot be used in industry because its high carbon content. From this point of ...

The object of the study was the Ufimian bituminous sands and sandstones in the east of the East European Platform (Russian Federation). Bituminous sands and sandstones are confined to the Sheshmian horizon (Cisuralian, Ufimian Stage of the General Stratigraphic Scale of Russia). Interest in the study of bituminous rocks is associated with the depletion of traditional oil fields. Initially, bituminous rocks were considered as a source of bitumen for road construction, but in recent years they have been involved in ...

The population of Lviv (Ukraine) together with the suburban area is about 1 million inhabitants, which creates significant anthropogenic pressure on the environment. Suburban area, which is characterized by a wealth of natural resources - diverse landscapes, forests, water sources, therapeutic waters, is exposed to "creeping urbanization". At present, the geography of recreational use of natural objects is considerably expanded. The greatest burden of holidaymakers of today falls on the suburban area of the city w...

For produce electricity from solar energy, it would be necessary for an inverter to convert the continuu current (DC) into alternating current (AC). The inverter is the cause of problems affecting the stability of the power supply system because it is a switching device used to adjust the AC frequency as required. At the same time, it can cause harmonics that result in waveform distortions and affect electronic devices that receive energy. Then it could cause malfunction of the electronic device. In this paper, we...

Lately, in our country, the necessity of expanding the transport infrastructure works has led to the necessity of designing and executing engineering constructions in areas with lands considered difficult in terms of physical and mechanical characteristics. According to the Romanian and European norms, sensitive clay of low consistency is included in the category of difficult land. This paper presents the main research stages of the physico-mechanical properties of sensitive clays found on a section of a highway i...

The target of this article is the providing of the brief information about preventing the dust spreading problems solving during operations of machinery equipment in brown coal open pit mines and in coal dumps. The main part of this paper briefly describes operation tests of the new rotary mist unit realized during last years. The increased concentration of the dust in the air causes important health hazard. The dust is very bother factor. The occurrence of the dust in operation area is the source of danger fire r...

Orchis galilaea is the only Lebanese orchid that is restricted geographically to Lebanon, Palestine and Jordan. It is a terrestrial orchid that attracts its pollinator by sexual deception while offering no reward. The full distribution of this orchid in Lebanon has not been determined. This study is part of ongoing research into the population dynamics of the orchid to form a management plan for its conservation. A Geographic Information System (GIS) was used to identify the habitat characteristics of O. galilaea ...

In the tasks of managing energy resources and energy conservation, it is necessary to forecast the consumption of energy resources for a long period, with the detailed speci-fication of consumption over time intervals. A special case of such a task is the determi-nation of the annual consumption of energy resources and its division into monthly con-sumption, taking into account the changes in climatic conditions, the operating condi-tions of objects and other factors [1-2]. The paper suggests a method for predicti...

The conceptual basis for the creation of a forecast-analytical system that allows to predict the pollution and to control the purification of oil-containing sediments of small rivers are considered in this article. Oil content of bottom sediments creates the risk of secondary water pollution not only by substances entering the sludge. More dangerous products of degradation are formed in the result of the activity of the indigenous microorganisms, that inhabit the bottom of aquatic environment. Forecasting the dyna...

Measuring soil moisture it is usually not performed on a daily time step due to financial costs, time-consuming measurements and variability of the weather. However, since this information is an important part of many hydrological and water management studies, the author tries to solve this situation by proposing a suitable interpolation method. The goal is to predict daily moisture values so that their conformity with the test data is as high as possible. The calculation is based on the use of soil moisture data ...

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 55В°48'46.1"N 13В°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 d...

Considering the current context in which all producers are trying to optimise processes and resources, making improvements to traditional practices is of great interest in order to fulfil customer expectations for high quality and safe products. Alternatives to enhance and complement traditional winemaking practices are emerging technologies such as ultrasound addressed towards reducing the fermentation time and increasing the extraction of phenolic compounds, controlling a variety of wine spoilage organisms, wine...

Considering the current context in which all producers are trying to optimise processes and resources, making improvements to traditional practices is of great interest in order to fulfil customer expectations for high quality and safe products. Alternatives to enhance and complement traditional winemaking practices are emerging technologies such as ultrasound addressed towards reducing the fermentation time and increasing the extraction of phenolic compounds, controlling a variety of wine spoilage organisms, wine...

The work described the obtaining and studying the properties of alginate-PLGA matrixes containing agglomerates of hydroxyapatite nanoparticles. Hydroxyapatite (HAP) nanoparticles were obtained by controlled deposition in the presence of a stabilizer - sodium citrate. Two types of nanoparticle lamellar (30 to 50 nm in size) and rod-shaped (150 to 200 nm in length) were used in the work. The size and morphology of the hydroxyapatite nanoparticles were studied using a transmission electron microscope. The composition...

The work described the obtaining and studying the properties of alginate-PLGA matrixes containing agglomerates of hydroxyapatite nanoparticles. Hydroxyapatite (HAP) nanoparticles were obtained by controlled deposition in the presence of a stabilizer - sodium citrate. Two types of nanoparticle lamellar (30 to 50 nm in size) and rod-shaped (150 to 200 nm in length) were used in the work. The size and morphology of the hydroxyapatite nanoparticles were studied using a transmission electron microscope. The composition...

An exceptional occurrence can generally be regarded as a manifestation of risk. In order to handle it, it is necessary to have sufficient amount of information about the risk itself as well as about potential sources and means to deal with the situation it evokes and the preparedness of citizens. In Slovakia, it is mainly the risks of natural character which are, for the purposes of crisis management, evaluated based on a methodology from the year 1994. The ever-extending list of potential risks leads to the need ...

The perforation channels are the only conduits between the reservoir in production and the producing well, so it is quite obvious that their parameters seriously affect the productivity. Under this highly volatile oil price environment aiming for the best productivity has the highest priority. For this reason, the need for understanding the effect of the perforation parameters on the inflow is urgent. In the previous years, Pasztor has proposed a new concept to calculate the pressure drop caused by the perforation...

In modern Russia, geotourism activity is not paid enough attention, there are no regulatory base, the generally accepted system of concepts and terms, a single classification of geological and mining tourism resources. The value of the mining heritage objects in the total assessment of the tourist and recreational potential of the territories is understated, they are not always taken into account in the schemes of recreational zoning. The problems of development of geotourism are considered on the example of the N...

Temporary condition of water resources in the world, the prospects for their security of countries are a matter concern. The world situation with water resource is clearly not satisfactory and remains disturbing in general. In many regions there is co-quantitative depletion of water resources, their deficit becomes increasingly stressful. It is given the modern availability of fresh water in Europe. Russia occupies a leading position according to the total volume of freshwater. However, it is experienced a signifi...