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The authors studied the change in the content of dissolved total iron, pH, Eh and mineralization of water bodies of the Azov sea catchment were constructed according to the megaprofile "Mine waters of the coal mining area, sedimentation and aerators ponds, small rivers (Eastern Donbass) ? Don River - Taganrog Bay - Azov Sea". The content of total dissolved iron decreased when moving from the area of mine waters to the Azov Sea, and the values of the hydrogen index, in the same direction, increased. For mineralizat...

Forest resources are the most significant natural wealth of the state of Latvia. According to the data of the 2nd stage of the forest resource monitoring for 2014, Latvia has 3575 thousand hectares of forest land comprising 55.3 percent of the total territory of Latvia, while the total timber stock estimated at 668 million cubic meters. Each forest stand has a certain amount of undergrowth and understorey ? small dimensions woody plants (shrubs) which is few researched until now. The most precise determination of ...

The study of the properties and immobilization of various therapeutic agents on natural carriers is an actual task of medical biotechnology and bioorganic chemistry, since this allows creation of stabilized, biologically active drugs with controlled release, as well as a targeted site of action for use in various fields of medicine. Such therapeutic agents can be used as cleansing, antibacterial and (or) antioxidant treatments. The loss of biological activity of the materials, which contains various therapeutic ag...

The information system interface consists of various elements. Attention of the user decreases when working with a large amount of information. The authors suggest that it is possible to implement recommendatory (adaptive) modules for users, using changes in the graphical part of the interface. Such changes are called interface personalization. Personalization allows you to focus the user's attention on the most relevant elements of the user. To reduce the resource consumption of recommendation modules, it makes s...

The aim of this article is the possible impact of climate change on the components of water balance. Climate change has a non-negligible impact on the hydrological cycle and water resources. In this paper, simulated changes in the water balance in the selected river basins due to climate change were estimated using the WetSpa model. Distributed rainfall-runoff model simulations are often used to evaluate the impact of changes on the generation of runoff and water balance. The parameters of the model were estimated...

Tin is widely used in the electro-technical industry, mainly for the production of the solders and tin-sheets. Resources for the production of primary tin are currently limited. Therefore, the importance of secondary methods - the recovery of tin from waste - is growing. However, the recycling of tin is associated with many technological, economic and environmental problems. It is usually energy-intensive. One of the compromising methods is "dilution" - secondary tin is mixed with high purity primary tin. However,...

The deteriorated state of the environment with various degrees of devastation in individual regions is negatively implicated in the health status of the population and the quality of the ecosystem. Inorganic contaminants, especially potentially hazardous elements, are a serious problem in all environmental compartments. Heavy metals also belong to the priority inorganic contaminants. Many of them act toxic in the terrestrial ecosystem, even at low concentrations. Their toxicity consists of replacing essential meta...

Reducing CO2 emissions results in decarbonisation and in consequence ? mine closure. There is a need to find innovative solutions for economical managing of abandoned sites, while ensuring risks to public and the environmental safety. This new approach to repurposing mine sites, which was presented in the article may take advantage of existing mine infrastructure and contribute to the local community, environmental and economy after the mine has been closed down. The aim of this study is to present potential benef...

The level of contamination by heavy metals and arsenic (As) was estimated in post-agrogenic Retisols, Phaeozems, and Chernozems, belonging to different bioclimatic zones of European Russia. Each chronosequense included arable soil, abandoned soils of different age of restoration and native (forest or steppe) cenosis. The content of organic carbon, total nitrogen, pH value, total amount of heavy metals (Mn, Zn, Cu, Cd, Cr, Ni, Pb, Co), and As were measured in mixed soil samples collected in the former arable horizo...

Accumulation of trace elements in aquatic organisms is an important problem associated with environment pollution and with their utilization for consumption purposes. The aim of the conducted research was to assess the content of Zn, Co and Ba in water and in selected organs of fish of blotched picarel (Spicara maena L.) and haddock (Merlangius euxmus L.), from Karantinna and Balaklava Bays in the region of Sevastopol. The second aim was to determine the level of bioaccumulation of these elements in organisms used...

The analysis of the land consolidation benefits for the country is an important part of the study of theory and practice. Land consolidation is one of the tools for the complex arrangement of ownership relations to land and also to the development of rural areas. In the definition of land consolidation we can imagine the arrangement of the parcels, allotment, deployment of types of the land, roads, water management, erosion control, environmental, terrain, and other measures. The analysis of the individual procedu...

Microstrip directional couplers are made on microwave substrates, which consist of various dielectric materials. With a decrease in the operating frequency, the dimensions of the coupler increase, and more material is required for their manufacture. To reduce the consumable material, you can use different approaches to miniaturize the couplers, this will reduce the size of the device while maintaining its characteristics. So this article presents the results of research to reduce the occupied area of a flat crosso...

Here we report immobilization of GOx on magnetic silica: (i) nanoparticles Fe3O4 with silica coating (Fe3O4-SiO2) and (ii) mesoporous silica with incorporated nanoparticles Fe3O4 (SiO2-Fe3O4) functionalized with amino groups using glutaraldehyde as a linker. Magnetic support based biocatalysts demonstrate high catalytic activity in D-glucose oxidation to D-gluconic acid at pH 5-7.5 and temperature of 30-50?C with the best activities of 95% and 94% for SiO2-Fe3O4-GOx and Fe3O4-SiO2-GOx, respectively. A comparison o...

The energy system is an area which requires a large enough attention in the process of automation and the use of all the possibilities of producer of energy from renewable sources. It is not enough to produce energy but also to collect and trade to the true value, without being used intermediate bodies for recouping. Drop is a technology that allows users to collect data, information from one or more establishments located remotely and send instructions with limited control by them. The article presents a study wh...

The use of chemical crop protection products takes the lead in worldwide agricultural technologies. However, a significant part of pesticides does not achieve the goals, disperses in the environment, and accumulates in crops and food products. Targeted and controlled delivery of pesticides helps to decrease the overuse of chemicals due to the prolonged gradual release of active ingredients from matrices and maintaining of effective concentration in the application zone. The aim of this study was to evaluate the ef...

Recently there has been a significant development of geodetic education and geodetic studies in the Kazan Federal University first of all due to the growth of start-up activity, the number of orbital grouping of national global navigation satellite system ?GLONASS? is markedly increased, which prompted the Russian space Agency to take the first steps which are necessary for the activating of use of this system for solving challenges of socio-economic development of Russia?s regions. Today, geodetic works in Kazan ...

The education policy of the Ministry of National Education in Romania aims at developing human capital, increasing the competitiveness in education and on the labor market through initial and continuous training, applying the strategy "Education and research for the knowledge society" The actions of the modern Romanian school will be as follows: achieving a stable, fair, efficient, relevant educational system by transforming early education into a public good; increasing the autonomy of schools in the primary and ...

The world today is characterized by globalization, the development of information technologies and diversity of values, so people's activities in a wide variety of fields are expanding, but the boundaries between them are becoming more and more uncertain. Different fields are converging. Today, knowledge transfer is not possible an individual must be able to apply knowledge, use skills and show attitudes in complex ways to solve problems in real life situations. The current competence is the ability to adequately ...

The water supply of the majority of Estonian settlements and enterprises is covered by groundwater, only two cities, Tallinn and Narva, are using surface water as a source of domestic water. Approximately 89% of the residents of Estonia use water from the public water supply systems. The water abstraction in Estonia diminished constantly in the 1990s, reaching the level of 130 million m?/y. During the last ten years, water abstraction has been fairly stable - groundwater in the range of 45-50 million m?/y and surf...

Plant biodiversity is important in economic terms in Romania, as well as for the ecosystem aspect maintaining and giving spiritual value and comfort. As a result, the article aims to focus attention on the appreciation of plant species in the center of an inexhaustible source of renewable energy. Agricultural holdings in Romania mainly cultivate cereals, some with records in production (for example maize production in 2018). Cereals are well known for their food potential and animal feed. At the same time, after h...

Nowadays, the energy sector of any country is confronted with many urgent problems. This is due to the fact that this sector, like others, it works mainly on a heritage of the past (conventional sources of energy). The aim of this paper is to analyze the economic aspects of extracting clean energy in Romania. In this scope, a comprehensive analysis of the wind potential in parallel with the economic potential is conducted. For the wind analysis a data set that covers a 30-year interval (01 January 1989 to 31 Decem...

The national report on innovations declares that the innovative system in Russia is weak due to unfavorable environment for innovations, including problems and challenges in commercialization, infrastructure, culture, knowledge and institutions The above-mentioned environment is of special importance for innovative territorial clusters with a large number of scientists who ensure the permanent reproduction of innovative potential. Under these conditions, the priority is to create innovative eco-environment for the...

To date, the study of the action of ionizing radiation on the structure and properties of polymers, as well as on their basis of composite materials remains an urgent task. Studies of the impact of different types of radiation on polymeric materials, primarily due to the practical interest due to the need to solve the problems of improving the reliability of devices and devices operating in the field of radiation, as well as the prospects of radiation technologies to provide targeted modification of the properties...

The features of the influence of thermal fields on the deformation of polyimide films are investigated. It has been established that the effect of static load up to 50% Fmax leads to the structuring of polyimide films, and starting with F ? 70% Fmax, amplifications of destruction processes in them are caused. Heating to 433 K and the application of a load leads to the structuring of macromolecules of polyimide in the direction of the impact of the load, leading to linear growths of relative elongation and an incre...

In this work hydroxyapatite (HAP) nanoparticles ranging in size from 30 to 150 nm of lamellar and rod-shaped form were obtained by controlled deposition in the presence of a stabilizer. HAP nanoparticle powder in different mass ratios was added to a mixture of biocompatible polymers (sodium alginate and PLGA), which were the dispersion medium of the emulsion. Water or an aqueous solution of sodium citrate was used as the dispersed phase. The internal structure of the matrices was studied by scanning electron micro...

The oil and gas industry faces problems such as hydrates, waxes, corrosion and asphaltenes, which among them the formation of hydrates is one of the most serious problems.Gas hydrates include water and light gas molecules and the form at low temperatures and high pressures, as these conditions are available inside the oil and gas pipelines. They are responsible for the blockage of flow lines, valves and well heads, thereby causing great loss of production and other severe safety hazards to the oil and gas industry...

The aim of this study was to investigate the effect of additional dietary chromium in various forms on the exchange of elements in rats. Ultradisperse chromium particles at a dose of 300 ?g/kg of feed contributed to significant changes relative to the control, including a 2.38 fold increase in calcium, a 15.00 fold increase in phosphorus and a 3.60 fold decrease in chromium. Relative to the control group, the introduction of 300 ?g/kg chromium chloride into the diet led to an 9.04 fold increase in P, 7.77 times mo...

Rapeseed crop is an economical competitive crop which could have a good yield and a good profit to farmers. Due to its biological particularities the rapeseed crop is at the same time the highest risky crop in Europe, especially due to lower percent of emerged plants after sowing or due to lower hardiness during winter. To increase rapeseed resistance to drought and pests attack, during germination, there is a huge need to develop and use a new products based on Gibberellic Acids (GA3) and amino acids for seed tre...

This paper aims to study the effects of different densities on growth performance and feeding efficiency of common carp fry (Cyprinus carpio L.) growth in Recirculating Aquaculture Systems (RAS). Recirculating Aquaculture Systems (RAS) utilization have more advantage like: fish growth control, feeding management, diseases control, and water quality management and waste discharge in land-based aquaculture. The experiment was performed for 31 days, fish biomass being equally distributed into eight growth units. The ...

This paper presents a study of the wastewater treatment station of the ?Low Danube", in which were analyzed the variations of physico-chemical parameters of the influent and effluent, as well as the efficiency of the treatment processes. The requirements on the quality of the effluent are in accordance with Council Directive 91/271/EEC on wastewater treatment, which aims is to prevent the negative effects of discharges of urban waste water and waste water from certain industrial activities. The parameters analyzed...

The quality of environment is one of the most important factors which effects on the living conditions. Ordinary people hardly understand the general statistical data at national level for environment but they assess by intuition and show on government and local authorities their opinion for pursued policy. The goal of research was designing an integral index for complex assessing of environment at regional level by studying and analyzing of used indicators for monitoring of environment at this administrativeterri...

The sharp and widespread environmental degradation caused by the often-uncontrolled emissions of industrial waste posed a new challenge for humanity - the transition to an environmentally oriented way of business [1]. The previously uncontrolled use of the ecological potential of the planet in the interests of technological progress has created many problems in many areas of human activity. And, as it is impossible by the way, I remember the warning of F. Engels that you should not deceive yourself with victories ...

The humus acids, which are part of organic matter, are an important part of the soil. Their properties affect the various pollutants, including trace metals. The article presents the structural and functional composition of humuc acids in the Euro-Arctic zone soils, which was investigated by the methods of molecular spectroscopy. An assessment of ecoprotective role to trace metals was made, which especially important for sensitive Arctic soils, formed under the influence of permafrost (cryogenic) processes. Differ...

Local or regional forest loss may be considered a forest management problem that mainly affects countries that lack proper forest monitoring and law enforcement procedures. Romania is an appropriate example regarding this matter, the main issue being the massive illegal cuts that are difficult to monitor, record and sanction. Therefore, the desiderata of precluding this outlawed practice and of preserving the forest cover ? which accounts for almost 29% of Romania?s territory (2015), are not attainable without rev...

The analysis of extensive seismological databank of one of deep mines of Norilsk?Talnakh polymetals deposits was performed to assess the shock hazard statement of rock massifs. The kinematic parameter is proposed for estimation of shock hazard of rock massifs which is based on kinematic characteristics of seismic processes. This parameter is the ratio of the migration speed of the equivalent seismic energy release center and the apparent speed of the aftershocks of individual large seismic events within the contro...

The aim of the present study is to evaluate the possibilities of historic urban parks as places of attractiveness. The historical urban parks are nowadays important not only because of their historical heritage, they are also ecosystems that have economic and social value for the community. Historical and cultural developments change these parks, creating their new environments, as the main requirement for their historical development. The formation of cultural elements and landscapes are reflecting the historical...

The study was aimed to assess the environmental safety of Russian companies. The research is based on the analysis of the Russian companies? reports in the field of sustainable development. One of the main goals of the study was to identify problematic areas of improving the environmental accounting system and indicators of environmental reports of companies that use the natural resource. The methodological basis of the study was the Russian and international legislation in the field of ecology, standards of susta...

Our field of scientific research is part of the Central Federal District of Russia. The population is 754,816 people; the share of urban population is 66.72%. On the territory of the Oryol region, there is 24,652 km2. Oryol is the administrative center, the whole region is divided into 24 districts, the region is located in the central part of the Central Russian Upland in the forest-steppe zone in the south-west of the European part of Russia. The climate of the Oryol region is moderately continental. In the area...

This research consists of the accumulation of scientific data regarding the evolution of certain components of agricultural land productivity, regarding the cosmic-atmospheric (temperatures, rainfall) and the telluric-edaphic conditions (hydro physical features like: humidity, field capacity, useful water capacity, wilting coefficient) needed to substantiate current pedoameliorative technologies for their efficient use through a complex approach of the physical-geographic and climatic-edaphic conditions in the Low...

This paper describes theoretical and practical issues of neural network application for the seismic facies analysis. The authors attention was paid to the identification method of seismic facies by self-organizing neural network map by using the correlation matrix of calculated seismic attributes (Instantaneous frequency, Envelope, Gradient magnitude, Instantaneous phase, Variance, Relative acoustic impedance, Sweetness, Chaos) and facies from the wells. The method allows to build a facies distribution map. The pu...

In work results of researches of the heat-generating flameless heaters on the basis of not extinguished lime (calcium oxide) with addition of active and inert components in relation to a warming up of canned meat products in interaction with water are presented. The optimum ratios of components of the heat-generating heater providing the maximum heat release in interaction with water are established. For packing of tinned meat products in an aluminum jar and retorts packages in contact with the heat-generating hea...

This paper presents the results of a study of the mineral composition of rocks on the example of one of the high viscosity oil deposits. Studies were performed using X-ray diffraction analysis. Samples of both the reservoir itself, represented by bituminous sandstone, and samples of overburden and underlying formations composed of clays and limestones were studied. Samples were taken from several wells, which makes it possible to judge the variability of the mineral composition along strike. The content of clay mi...

Ash and slag waste constitutes a significant part of the waste of heating and power plant (CHP) complexes operating on solid energetic fuel. For the most part, this by-product does not find further application, accumulating in ash dumps. Meanwhile, taking into account the global trend towards the involvement of ash and slag waste in industrial processing, it is necessary to predict their recycling in Russia. However, for recommend recycling type of ash and slag it is necessary to know their structural and material...

A large amount of geological, geophysical, geochemical and other materials of various contents and scale has been accumulated in Kazakhstan because of the work of several generations of geological researchers. At this stage of geological research development, an actual problem is the possibility of processing and mastering this data based on modern geoinformation technologies (Mapinfo, Arcgis, Micromine). This new approach to the methodology of geological research allows the transition from a qualitative assessmen...

Glucose on an industrial scale is obtained in anhydride (at a temperature above 50 0C) or hydrate form (at a temperature below 50 0C). The crystallization process is conventionally divided into two stages: nucleation ? the formation of nucleus and their growth to crystals of technical dimensions. The most difficult stage is the formation of nucleus during the crystallization of hydrate glucose. Spontaneous formation of nucleus is slow and they have a fragile needle shape, from which it is difficult to grow technic...

This paper presents a new method of accounting the variations of the vertical due to fluctuations of water level in case of taking geodetic observations near the large reservoirs. The impact on latitude of observation and direct adjustment is estimated. The resulting correction caused by an anthropogenic interference is comparable with the adjustment effect of systematic lunar and solar tides. Accounting this effect may be useful for the solution of this higher geodesy problem and the development of high-quality p...

Spatial 3D-reconstruction applications today use mostly fully automated methods based on Structure from Motion (SfM) and Multi-View Stereo (MVS) algorithms. In these cases it is emphasized that the camera calibration parameters can be approximate, i.e. downloaded from EXIF data or even avoided, to facilitate the use of uncalibrated cameras in everyday measuring tasks. However, the accuracy of the spatial reconstruction of the model, recorded with an uncalibrated camera can be significantly reduced. Especially if t...

According to Regulation of the Minister of Environment of December 29, 2016, on the detailed method of selective collection of selected waste fractions, selective collection of biowaste is mandatory. Biowaste stream can consist of both kitchen waste and biodegradable waste from gardens and parks. Kitchen waste and ?green waste? can be selected separately or collectively. Properties of kitchen waste and green waste can differ significantly. Considering fermentation as the main treatment method for these types of wa...

Buildings produce about 30 % of all greenhouse gases and consume about 40 % of globally produced energy. Construction industry significantly contributes to climate changes. An approach to limit production of greenhouse gas is construction and operation of buildings according to the principles of sustainability. There are 186 certified (green) buildings in the Czech Republic. 48% of them are office building. After them, 29% are industrial areas. The LEED and BREEAM global certification programs and one local certif...

This study is devoted to the problem of digital transformation impact on the world economic system in banking industry in terms of changing the existing business model of banks. It is shown that currently in the banking sector there is a growing trend of transition to digital services, which are more preferable for bank customers, thus displacing the traditional business model. These factors allow us to conclude that this direction is a priority for banking sector development in the medium term, while the digital ...