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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 ...

Neighborhoods of standardized concrete block buildings form a significant part of the post-socialist build heritage. It is very important to renovate the houses to suit the needs of the current user. The reconstructions typically affect the apartment layout (e. q. uniting the kitchen with the living room, bathroom renovation) and also the indoor environment (thermal insulation, window replacement, installing air conditioning units). One of the alterations that has a major impact on both the apartment layout and th...

Nowdays, a degree of contamination by heavy metals can be observed in the environment. Heavy metals have serious effects on all living organisms because they can accumulate in lethal or sublethal concentrations in the various parts of food chain and so they can cause different health problems like cardiovascular, psychosomatic and cancer diseases. This work is focused to the rate of some risk elements contamination in agricultural alluvial soils from specific area of the region Hont ? alluvium of the river Stiavni...

The most widespread objects of industrial construction in the Leningrad region are waste landfills and roads. The anthropogenic load of industrial facilities, such as solid waste landfill and construction sites of two express roads on the soil and vegetation cover of Leningrad region was studied. One of the main pollutants of the soil and plants are heavy metals. The accumulation and distribution of heavy metals in the "soil-plant" system depending on the properties of the soil and vegetation cover was investigate...

The underground mining development in Low Tatras focused primarily on gold, silver and partly iron ore exploitation began in the Middle Ages. At the end of the 16th century, manually created mining underground spaces (vertical shafts and horizontal galleries) were already 100 m deep and several hundred meters long. The mines were situated also at the top of the mountain range at an altitude of approximately 1400 meters above sea level. During the 16th century silver mine called St. Michal was created on the ridge ...

One of the most investigated topics in hydrology, during last decades, is climate change impact on hydrological cycle. Changes in the use of land is additional factor influencing hydrological regime and watershed run-off. To understand urbanisation and climate change cumulative impact on watershed run-off, modelling of different climate change and land use scenarios would be essential. The aim of this study is to investigate how watershed run-off of the Usma Lake, located in Kurzeme region of Latvia, will respond ...

Aim of this study is to examine the impact of the neighborhood of large investments on the level of undeveloped land prices. The following study analyzed the behavior of buyers on the market for undeveloped land adjacent to a large construction project area prior to the beginning, during implementation and after its completion. It determined the effects of urban development in chosen region on interest in surrounding areas and attempt to verify the impact on the price level. It also designated the intensity of tra...

Increases in bioresources and food production in the world have become objective needs. Production expansion increases the impact on the sustainability of the natural environment and ecosystems. The sustainability of the natural environment is ensured through the creation of specially protected areas. The planning of local municipality economic development should consider the management categories of protected areas, which is an important global standard for planning, design and management. This paper presents an ...

The harmfulness of plastic waste on marine organisms and species has been demonstrated. Throwing and dumping plastic waste is causing damage to the environment, causing economic damage to activities such as tourism, fisheries, and sea traffic, and can affect people's health through the food chain. The paper will outline ways and measures to prevent the introduction of single-use plastic into the marine environment as well as the possibility of producing biodegradable plastics. Through this paper concept of marine ...

For assuring the stability of important buildings (nuclear power plants) during strong earthquakes, the soil strata under these buildings should not get deformed during the events. In the paper will be analyzed the nonlinear behavior of soil layers during strong earthquakes. As follows from the soil dynamics experiments, shear modulus G and damping D become functions of strain level , and nonlinear behavior could take place. Further, changes could appear in the mechanical properties of the soil layers, expressed b...

The stability of underground works has always occupied an important place in engineering. Their stability depends on how the design and execution of the underground works are done. The instability of underground works, in most cases, also has consequences on the surface because it can affect land and constructions. In the case of salt?s operation with rooms and pillars, the stability of the underground space depends on how the rooms and pillars were dimensioned. But besides designing the geometry of the undergroun...

The article discusses the various ways in which environmental factors influence socioeconomic welfare of individuals in the regions of Russian Federation, with an in-depth look at the regions of Ural Federal District. We use regression analysis to examine the mechanisms of direct influence that environmental factors have on individual welfare indicators, healthcare, social and economic welfare modules, and, finally, on the composite welfare index. We then examine the indirect influence of environmental factors, ma...

In the vegetable growing field, the germination is an important indicator in the appreciation of seeds quality. The process takes place over a variable period of time being influenced by a number of factors such as species, environmental conditions and the treatment applied to the seeds. We used citrate - stabilized gold nanoparticles to prevent the occurrence of fungi and to stimulate the germination process of carrot seeds. The gold nanoparticles were synthesized by mixing and heating aqueous solutions of chloro...

Natural bitumen and high viscosity oils are of great interest in the oil industry in recent years. Presented in this study high viscosity oil reservoirs are characterized by high lithological and structural heterogeneity. Such heterogeneities in reservoir reservoirs pose new challenges for geologists in lithological and petrophysical studies. First of all, it is the development of methods for interpreting well log data for the investigating structures. In addition, it is an analysis of the data obtained when inter...

The influence of oil pollution on the set of indicators such as barley productivity, availability of macro- and microelements and also enzyme activity of the soils was profoundly investigated. The researched objects were the arable horizons of both leached chernozem and soddy podzolic soils, containing different amount of oil (2000 mg/kg, 3000 mg/kg). Besides, the ones without contamination were revealed. The higher is the dose of pollution, the higher is the average pH value. According to the studies conducted, o...

Plants are the main recipient of heavy metals found in soil, being at the same time a source of these metals for plants, animals and human organisms. The search for methods limiting the availability of heavy metals remains valid. Many years of research are being carried out at the Warsaw University of Technology, regarding limiting the availability of heavy metals to the trophic chain by introducing into the soil organic matter. The aim of the study was to analyse the content of heavy metals (Zn, Pb, Cd) in radish...

This article presents the influence of pentosanases enzymes on the rheological parameters of the dough obtained from rye flour. The rheological characteristics of the rye dough were determined using the alveographic and consistographic methods. The functional properties of the main constituents of rye - starch, proteins and pentosans influence the baking characteristics rye flour. Rye does not contain as much gluten as wheat, and the quality of rye gluten is poor when it comes to retaining gases. This means breads...

The aim of the study was to assess the influence of the soil pH, from ploughed soil layer from the Ialomita region, on the mobility of heavy metals (Cadmium, Copper, Manganese and Zinc), estimated by heavy metals extractable contents in DTPA-TEA-CaCl2. Because heavy metals exist in soil in different solid-phase forms that vary in terms of availability, total content of metals in soil are poor indicators of toxicity. In order to assess a risk of heavy metal pollution in soil should consider both mobile and availabi...

This scientific research shows that some of the dietary fiber has a structural role in its plant sources, being insoluble in water. These are cellulose, hemicellulose and lignin. Some part of the food fibers have a repairing role and are soluble in water. This category includes pectin, gums, mucilage and hemicelluloses.[1] They are found in a lot of fruits like apples, bananas, tangerines, oranges, pears, plums, quine, grapes, kiwi. In this research it studied the protection mechanism of different types of fibers ...

The forest road network administered by the National Forest Administration - Romsilva, with a total length of 26,500 km, was built, in the most part, between 1965-1990, when the forest railways were transformed in forest roads. Simultaneously with the extension of the forest roads network, the car transport there was imposed in the forestry sector, having both technical and economic advantages. Due to the special technical development, the transport vehicles have undergone a rapid modernization, which has led to t...

Recent studies has shown that road traffic pollute the environment not only by generating exhaust gas emissions but also by the suspensions produced from tyre wear. Due to their composition (natural rubber, synthetic rubber and other chemicals), vehicles tyres through the interaction with the driveway pollute the environment. This process can be accelerated in a negative manner by the appearance of some technical malfunctions of the steering system. Thus, by a quick and efficient diagnosis of the steering system e...

Reducing gas emissions which affects the Earth's climate system is an important goal of vehicle operation. In order to achieve this objective, the operation of motor vehicles and their component systems must be carried out under the most efficient conditions. The maximum efficiency can be achieved by knowing in detail the technical state of the vehicles, and depending on the diagnosis defects by performing maintenance activities in order to maintain the technical state at an appropriate level. The aim of this pape...

The article presents an analysis of the impact of wind speed on the temperature changes in the external three-layer partition of a green building during winter period. Data for analysis were taken from temperature sensors located in individual layers of the partition and from a weather station on the roof of a smart building. The analysis period was January 2015. The purpose of the analysis was to determine the correlation between the wind speed and the temperature inside the partition. In the analysis period of o...