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Approaching the issue of fertilizers with organic substances of the bio stimulants class is a difficult task as the concept is far from complete elucidation. As concerned the use in agriculture of these products, legislation, research, and experimental activities are still incipient. Any substance or microorganism applied to plants with the purpose to enhance nutrition efficiency, abiotic stress, and/or crops quality features regardless of their nutrient content can be generally defined as a product with bio stimu...

Geoelectrical contrasts generated between underground voids and the surrounding materials, their vertical or horizontal development, geometry and burial depth are key elements for voids detection when investigated by electrical resistivity method from the surface. Nevertheless, the acquisition techniques, the array type selection and profile(s) deployment are equally influencing the survey results. The relations between the mentioned factors were subject to detailed analysis by constructing various synthetic model...

The slag formation is a complex process consisting of several stages. There is the formation of liquid slag from individual batch materials. In the production of steel, the slag mode is chosen according to the type of apparatus, the type of processed pig iron and steel scrap, and the requirements for the grades of the steel produced. The paper focuses exclusively on primary slags from the steelmaking process in the oxygen converter. The amount of oxygen converter is about 120-150 kg per tonne of crude steel produc...

In recent years, the development of infrastructure in the Russian Federation has become relevant. This will increase the level of economic development of the country. However, infrastructure projects require significant investments and often have a long payback period. The state is not able to fully finance infrastructure projects at the expense of budget funds, which increases the relevance of the use of new sources of funds. The purpose of the study: to determine the potential for financing infrastructure projec...

The experimental research studied the possibility to develop an innovative coating type having a finishing and also a thermal isolating function, starting from three materials different as nature and presentation forms: kaolin powder ? a natural nanocompound, perlite granules ? a natural traditional thermal isolating material and an acrylic coating in aqueous dispersion with ceramic microspheres ? a modern synthetic thermal isolation nanoproduct. Three recipes of the new product type were made aiming to obtain hom...

This article deals with the fire safety test of polymer sleepers in the ballasted track. Although the occurrence of a fire in the track is unlikely, it may occur, for example as a consequence rolling stock fire or arson. In the past, old rolling stock assembly or track maintenance could lead to fire. For these reasons, products installed in track must be fire-safe. A new trend in the sleeper development is the utilization of polymer-based materials that suitably combine the beneficial properties of prestressed con...

Phreatalona protzi (Hartwig, 1900) is a rare species of Cladocera (Crustacea) known from Western Europe. However, hardly any ecological information about this species is available and it has not been included in lists of species found in North-East European Russia. Here we present first findings of Ph. protzi in lake sediments of a small tundra lake from the Pechora River delta, Nenets State Nature Reser, Russian Arctic. The bottom sediment samples from 11 tundra lakes were used for analysis of subfossil Cladocera...

At a global scale, climate change generates extreme events which are more and more dangerous for society. Extreme hydrological and geomorphological phenomena are one of the most common causes of human life loss and material damage as a result of the manifestation of natural hazards around human communities. Floods sometimes cause irreversible damage or completely destroy areas with cultural heritage sites. In Europe, floods are affecting annually a great number of cultural heritage sites or buildings, which lead t...

In the current social and economic context it is necessary to evaluate the directions of administrative-territorial development and socio-economic vulnerability in relation to natural hazards, as the frequency of catastrophic phenomena tends to grow. In order to minimize the loss of human lives and to reduce the economic impact, it is necessary to implement an adequate territorial planning in relation to the spatial distribution of natural disasters. Most settlements from the region of Moldova are located / develo...

The focus of this paper is on the using geoinformatics by representatives of local government and local authorities in crisis management to refine and optimize the planning of the evacuation process of the population at risk of flooding which is the most frequent reason for the crisis situations in the Czech Republic. The main tasks in planning area evacuations, as the primary protection of the population, are the estimation of the number of evacuation vehicles required for the vulnerable population and the planni...

Natural hazards as floods are a constant threat to urban areas and for the environment. The need of monitoring and mapping these types of inevitable phenomena has become mandatory cause of their negative impact on natural resources, different social and economic aspects. In L'Ile-Bouchard these phenomenon occurs frequently and people that are living in the flood prone areas of Vienne River are highly vulnerable to flood. The current study is an analysis of the flood hazard map and risk map of a river sector for Vi...

In Kazakhstan, more than 20 billion tons of industrial wastes from mining and processing enterprises have accumulated. These tailings are of interest as promising technogenic ore raw materials, significantly expanding the raw material base of the acting or the creation of a new processing industry. We have investigated the mineralogy and technological properties of tailings of the Balkhash enrichment factory, which are accumulated in large quantities. According to the results of studying the chemical composition o...

Froth flotation process has shown superiority in processing of many low-grade ores including iron ores. However, there is need to continue developing cheap, more selective and environmentally friendly reagents. Due to the shortage of high-grade iron ores, many companies in South Africa and other countries are currently working on the beneficiation of low-grade ores and retreatment of tailings. In this paper, the performance of Macadamia oil as a frother on the flotation of low-grade iron ore was investigated. The ...

The paper deals with fluctuations in water pressure and its influence on water losses in the network, depending on the time and height of the building. Water losses, depleted infrastructure life, and rising energy costs are just some of the issues that affect grid pressure. Excessive pressure increases the risk of piping rupture and water leakage in the distribution network and increases the cost of energy that needs to be spent on pumping and producing additional drinking water. Reducing the water pressure in the...

Microfracturing and rock deformation as effects of tectonic stress generates sounds called acoustic emission. Many reporting on the earthquakes say that first people hear a noise and then they feel the two shocks (P and S waves). How is this possible as long as the speed of sound is less than the P wave speed? This article gives an answer for these question. An earthquake is an effect of high tectonic stress in an area (hypocenter) and the last part of this process is the loss of elasticity of rocks followed by br...

At present, the water supply system in the town of Dudinka (Krasnoyarsk Region, Russia) is being upgraded. In its turn, design of industrial projects stipulates development of an environmental protection action list. This study is aimed at forecasting environmental changes in the course of construction and operation of the water supply system. Results of the previous engineering and environmental surveys were used as input data for the forecast. Technogenic impacts of the project on the atmosphere, surface and gro...

Formation of anthropogenous forest landscapes in the territory of North Azov Sea region can subdivide into 4 stages: The 1st stage ? (the Cenozoic ? the XIV century) ? formation of natural forest and forest-steppe landscapes of the region. The 2nd stage (the XIV-XVIII century) ? the beginning of large-scale data of forests the nomadic people (construction of dwellings, deforestation for the purpose of creation of pastures and a plowed land), occupying the territory of the region of research. The 3rd stage (the XVI...

Most cities in Romania, faced in the post-communist period with changes in the dynamics and functional structure of the city. The transformations after 1990, in terms of territorial planning, reconversion and economic policies, have led to important decisions regarding the industrial platforms. Industrial reconversion is a natural stage in urban evolution in most Eastern European countries with an unstable or very dynamic economy. The post-communist period is marked by the development of services and the regressio...

In the last decade, the rapid development of computers and sophisticated software in image capturing and processing brought on the development of automated object documentation methods. Documentation methods like 3D scanning or photogrammetric technology called image-based modelling and rendering (IBMR) or SfM (Structure from Motion) have become common methods and give us the possibility to create a real 3D model of objects. It is important in archaeology for findings documentation and visualization, and in cultur...

An important European transport sector is represented by the river ferries, which have a tremendous impact on the population and economy of the riparian countries. The navigation across the Danube River is increasing significantly in the past decade due to the limited number of bridges available in the Romanian part of the river. If the Romanian sector of the Danube would be analysed, the total fuel oil needed is between 0.92 to 1.96 million tons per year, which means a CO quantity of 23 to 49 tons per year, and o...

The overlapping of the Yenisey River by Dam of Krasnoyarsk hydroelectric power station noticeably altered abiotic conditions of habitats of river ichthyokoinos in the zone of an artificial pond - Krasnoyarsk reservoir. Its mode of operation for the past 50 years is defined in foremost tasks of hydropower and practically does not take into account the criteria of conservation of homeostasis of aquatic ecosystem and fisheries interests. Change of rheofeeling complex on limnofeeling in the process of forming reservoi...

This study aims to investigate the functionalization by pad-dry-cure method of 100% cotton fabrics with colloidal dispersions based on TiO2:N and SiO2 nanoparticles (NPs) in different molar ratios (1:0.5, 1:1, 1:1.5 and 1:2). For the preparation of colloidal dispersions the chitosan was used as stabilizing agent. Self-cleaning performance of the functionalized samples was qualitatively assessed based on Methylene Blue and Brilliant Green stain removal ability under UV radiation. Stain photodegradation efficiency w...

In this paper we present the results obtained regarding the functionalization of the surface of sheepskins using nanocomposites based on reduced graphene oxide - TiO2-Ag and reduced graphene oxide - TiO2-Cu in order to obtain leather with antimicrobial and photocatalytic properties. The nanocomposites were integrated in film forming polymer composites and were applied by spraying on sheepskin surfaces. Sheepskin surfaces were characterized using scanning electron microscopy (SEM), physico-mechanical methods, photo...

The research like this one is needed because we need to know what threats can lead to unwanted consequences as identity thefts, data misuse, a compromise, etc. The problem of saving personal data is severe. Since most people prefer storing their data in the clouds, the new problems accomplish it by various types of attacks on the authentication process itself. Attack by attack, they become more targeted. This is the easiest and fastest way to unauthorized take over other humans' files. The goal is determining the ...

In the oil extraction industry, large quantities of water are processed, which is extracted with the oil and gases from the deposits which is then used in the injection process. Water treatment is required because they contain various impurities that make them unsuitable for disposal in the environment. As these wastewater must be disposed of, the most appropriate way is to treat them and inject them into various underground layers. The most common use of wastewater is found in water injection processes to improve...

Photovoltaics (PV) is a key technology option for realizing a decarbonized power sector and sustainable energy supply and can be deployed in a modular way almost everywhere on this planet. Solar resources across the world are abundant and cannot be monopolised by one country. Regardless of how fast energy prices grow in the future, and the reasons behind these grow, PV and other renewable energies are the only ones offering the stabilization of, or even a reduction in future prices. Kazakhstan has significant rene...

Access time is the most influential factor in determining access of people to healthcare services, be them urgent medical services or related medical services. The analysis on access times to the current public health infrastructure highlights the uneven spatial distribution of the main public health infrastructures, and also reveals some areas with access restraints. In this case, work is needed to develop hospital infrastructure so as to eliminate territorial disparities in terms of access. We employed ArcGIS Ne...

The area of calcareous soils is about 1/3 of all agricultural land. The availability of iron for plants on them is decreased which leads to a decrease in yield due to chlorosis. Synthetic agents are used to eliminate iron deficiency, many of which are expensive and resistant to biodegradation. Lignosulfonates are a unique type of technical lignins which are formed during sulfite pulping. Lignosulfonates form complexes with various metals and the presence of sulfo groups gives them solubility in an aqueous medium a...

The Black Sea has significant potential resources of gas hydrates, gas from seeps and mud volcanos. They are situated in region close to hydrocarbon export consumers. Nowadays the combination of properties of the Black Sea gas seeps phenomenon and its large scale excite great interest of experts of Ukraine and other Black Sea and Western European countries. Gas from seeps consists of methane by 80-99 per cent, so it can be considered as hydrocarbon resource which can be produced without well drilling. Their existe...

The article discusses the morphological, micromorphological, and chemical properties of gazha (gypsiferous) soils in the subboreal zone of Russia. The concept of gazha is explained, and the factors and conditions of its formation are analyzed. The analysis of the microfabrics of the gazha horizons indicates that they are mainly composed of small gypsum crystals of pseudorhombohedral shape with possible participation of few gypsum druses. The organization of gypsum crystals in the form of whirl-shaped clusters indi...

Importance of seismic hazard estimation of low active territories of Western and Eastern Europe, Ural, Western and Central Siberia and other regions is an important problem. First of all, it involves both maintenance and construction of industrial facilities, which is not designed for seismic effects, as well as the omission of huge low activity areas reduces the scientific level of seismological studies and quality of seismic zoning maps of territories of Europe and Northern Eurasia. Absence of calculating techni...

The molecular characterization of Genetic diversity of ten bread wheat (Triticum aestivum L.) varieties was evaluated by studying high molecular weight (HMW) glutenin subunits. Polymorphism of HMW-SG war carried on by sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). Among genotypes analyzed, twelve polymorphic bands were identified at the three loci Glu-A1, Glu-B1 and Glu-D1. The analysis of HMW-GS reveals a great diversity at the level of the three loci and more particularly on the locus (Gl...

This paper considers the task of motor transport enterprises territorial planning with regard to modern requirements for the urban development. Methods for solving problems of territorial planning using geographic information technologies are highlighted. The paper identified the placement factors inherent in this subject area and characterized by spatial, temporal, and pragmatic features. Given the spatial nature of the task input data, it is proposed to use geo-information modeling as an effective means of solvi...

Geo-questionnaires are increasingly frequently used for geo-referenced studies. Their results can provide the basis for the GIS multi-criteria analysis model, and particularly for the determination of the spatial weights of criteria significance based on proximity adjusted preferences. In the developed method, a ranking of criteria was created based on the results of a geo-questionnaire. The determined weights of criteria significance were then spatially varied based on the analysis of locations indicated in the g...

The search for new microorganisms ? sources of thermostable and thermoactive amylolytic enzymes is an important direction for the efficient processing of plant raw materials at high temperatures. A bacterial culture obtained from the thermal spring in the southeast of Iceland was used in the research. The identification of bacterial species by 16S rRNA gene sequencing has shown that the detected bacteria belong to the species Geobacillus kaustophilus. Microorganisms grown on a medium with the following composition...

Upper Jurassic deposits on the territory of the Tatarstan Republic are represented by the coastal-marine, terrigenous complex. In its composition, the predominant rocks are dark gray calcareous clays, among which lie thick (up to 5.0 m) layers of combustible shale and thin (up to 1.0 m) layers of silt and sandstones with signs of wave ripples. All the rocks of the complex contain inclusions of authigenic pyrite (1?4%). Jurassic sediments on the Middle Volga did not experience deep dives. Their diagenesis ended at ...

Data on detailed geochemical research reveal the specific features of the bottom sedimentation. Changes in sedimentation are caused by climate impact, chemical weathering intensity, distance from the source area, basin redox conditions and many other factors. Values of petrochemical modules (CIA, Fe/Mn, Ba/Sr, Sr/Ca) show changes in physical and geographical conditions and their influence on the sediments composition. Reconstruction of the paleoecological conditions of the environmental development based on geoche...

The diversity of the material composition of the middle Paleozoic basites is determined by the geodynamic regime. Paleorift dike belt record several groups of basites, differing in their material composition. The most common basites were formed in the regime of extension - magma has not experienced significant changes after leaving magma formation zone. These are typical basites of the Middle Paleozoic paleorifts of the eastern part of the Siberian platform. Group of leucocratic gabbro-dolerites and plagiodolerite...

Carbonaceous rocks (bituminous shale, coal, clayey coal, coaly claystone etc.) is an aggregate of heterogeneous materials composed of organic and inorganic substances. The study area is located on the northern boundary of the Cameli-Ac?payam basin (in Southwestern Turkey), filled by thick Neogene sediments comprising local coal/carbonaceous rocks. This study presents geochemical properties of carbonaceous rocks collected from the Yesilyuva town. In this concept, their major and trace element distribution and miner...

Floods are a phenomenon that over the centuries has a strong impact on societies around the world. An overview of historical information can help for better understanding the factors that lead to extreme events like floods. The description of past floods is an important part of the preliminary flood risk assessment. Such information is usually available in various documents, articles published in the media and etc. In order to assess the adverse effects of floods, it is necessary to analyze and combine different i...

For a more complete use of information in geodetic measurements of rotary kiln geometric parameters, a method of mathematic simulation of the stress state in the kiln shell is proposed. The essence of the calculation method is to ascertain the stress-strain state of the kiln shell as an elastic statically indeterminate multi-span beam. The disclosure of static uncertainty is performed by the displacement method, which allows to unify the calculation algorithm for kilns with an unrestricted number of intermediate k...

Geodynamic processes, which play an important role in the formation of oil fields in the central regions of the Ural-Volga region, were also leading in creating conditions for their destruction. There were several stages of generation, migration, accumulation of oil and the destruction of its deposits, which determined the frequency of their formation and destruction. According to the results of the geochemical study of organic matter, the most ancient stages of the formation of hydrocarbon deposits are recorded i...

The article considers the automobilization of the population as one of the urbanization consequences. The dynamics of changes in the number of motor vehicles at the territory under consideration is shown. Estimated increase in vehicles emissions. The structure of motor vehicles emissions is considered, priority pollutants are identified, the contribution of motor vehicles emissions to total emissions in the urban territory are assessed. The features of motor vehicles emissions (height, distribution over the territ...

Geoecological monitoring (next-Geomonitoring), as the basis of environmental protection technologies for the preservation of unique water bodies, is due to the intensive development of industrial production, urbanization and the increasing anthropogenic impact on water bodies. In this connection, the preservation of clean water, suitable for water supply and recreational use, is currently becoming one of the most pressing problems. In the framework of this work, the seasonal dynamics of the main hydrochemical para...

Modern extractive operations face to issues connected to Geoecology science, landscape ecology being a good approach in environment evaluation of mining techniques, including extraction or removal of soluble minerals from underground deposits which is a specialized extraction technique and operation procedure that requires a special management of the process. Most mines can affect the landscapes within different systems, usually Geotopes or Geofacies, therefore monitoring the geographic areas from and surrounding ...

The article is devoted to identifying features of digital transformation of the geoeconomic system and its main segments, the most important of which is the energy sector. The analysis of potential of extraction and transportation of oil and gas (natural, liquefied, shale gas) in the medium term is given. The conditions and main factors for ensuring energy security, as well as overcoming the energy poverty of national economies, have been identified. In the fields of diversification of energy types, the directions...

Ecological routes should have social, cultural and educational scientific functions. In order to make full use of their potential, the work should be done for studying the conditions of the areas where the routes are located or planned to locate. It is advisable to start researches in nature reserves with ecological routes, where access to the territory of reserves is limited by ecological routes. This paper presents the results of the study of geoenvironmental conditions of the Karadag natural reserve along the e...

The Higher Education and universities have high impact for regional development and youth migration. We suggest what the migration of people with a high level of knowledge (called ?brain drain?) is detrimental for the region of emigration. High level universities attract the best students and growth the brain drain. There are close relationships between neighboring regions. Distance can be understood as a barrier of human capital growth. Geographical distance between parental home and college poses a potential bar...

In the Czech Republic, in order to optimize crisis management processes on both the national level and within self-administration bodies, aiming to prevent or minimize consequences of emergency and crisis situations, provision of operational system for rescue and recovery work and other measures for crisis situations, and an effective information support are necessary. Therefore an appropriate geographic information systems of crisis management were designed and are now being utilized. An applied research method w...

During the course of comprehensive studies of the aquatic ecosystems of the Arctic region, a significant amount of material has been accumulated in different research directions. For a versatile study of this area, constant monitoring and geo-information support is necessary. In addition to developing and updating databases and maps, geo-information resources could be created. These are web services that provide access to spatial data, their processing, analysis, search and visualization. This article discusses th...