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Nowadays, in the entire world, we can clearly see the effects of climate changes. Indeed, during the last twenty years, climate-related and geophysical disasters killed around 1.3 million people and left a further 4.4 billion injured, homeless, displaced or in need of emergency assistance. From this framework, it is clear that we need policies to improve the resilience of our cities. Those ones are only some components of a more complex system that includes also natural elements, i.e. the territory. Therefore, in ...

Redefining the maritime space security framework is actually a top priority for any European maritime country, and Romania is no exception. Several research projects, all in connection with the safety of the maritime space and the submerged cultural heritage have been addressed by the Romanian researchers during the last years. Among them, the project entitled ?Implementation of a geophysical investigation and monitoring tool of the Romanian maritime space security ? MAR-S? explicitly aimed at demonstrating the ef...

The article presents the results of statistical processing of field surveying observations data of the displacement process on the earth's surface. Currently, the main method to monitor displacements and deformations of the earth?s surface during mining operations is to determine the coordinates of reference points of observation stations. This method allows you to obtain reliable data on the movements of points in the displacement trough and form an idea of both the shape of the trough and the values of deformati...

This article opens a broad topic of temperature measurement to suppress the influence of atmospheric refraction on geodetic measurements. The article's content is limited to the basic view of atmospheric behaviour, specifically, on the measurement of the temperature changes in the atmosphere close to the terrain (height 0-2 m), in which engineering geodesy measurements are commonly performed. For this basic experiment we have chosen a grassy spot on the campus of the Faculty of CTU in Prague. The measurement itsel...

This work presents a mechanical and physical characterization of rock material from different slopes located in the town of Coimbra (Central Portugal) and its adjacent areas. The slopes are designated by numbers from 1 to 7. Slopes 1 and 2 are placed in Lower Jurassic Formations. Slope 1 is composed by marly limestones and marls. Slope 2 is constituted by dolomitic limestone. Lower Cretaceous Sandstones outcrop in Slope 3. Slope 4 is placed in the Finisterra Microplate and Slopes 5, 6 and 7 belong to the ?Schist-G...

Concrete is a widely used construction material. Extraction and processing of raw materials used for its production requires a lot of energy and poses threats to the environment. At present, in accordance to the idea of sustainable development and close circuit economy, it is recommended to aim at the maximum reduction of raw materials by replacing primary materials with secondary raw material (recycled materials) or industrial by-products. One of the pro-ecologic attitudes is introducing secondary wastes from the...

Ketoprofen is well-known drug due to anti-inflammatory, analgesic and antipyretic properties, and is widely used in the treatment of various acute and chronic inflammatory diseases, including rheumatoid arthritis, osteoarthritis, ankylosing spondylitis as well as menstrual abdominal cramps. Its therapeutic benefits in the prevention of various cancers including colorectal and lung cancers as well as in the treatment of neurodegenerative disorders such as Alzheimer?s disease, Parkinson?s disease have been establish...

Reducing consumers' electricity supply time, reducing downtime in selection of the medium-voltage feeder faulty branch requires that the network be equipped with commanding devices, automation and modern primary switching equipment.The medium voltage automation system will be based on the degree that, each line, contributes to attract sanctions for unplanned interruptions, and by analyzing the causes that determine the interruptions in continuity of electrical energy supply in the past two to three years.The adopt...

Forests present up 41.3% of the total area of the Slovak Republic. However, for forest soils no limit values for risky elements are given by the legislation, as it is for agricultural soils. The aim of this study was to monitor forest soils of 7 regions in Slovakia. Soil samples were collected from 70 sampling sites in 9 selected localities. Environmental risk was evaluated on the basis of total Hg soil content determined by CV-AAS (cold vapor atomic absorption spectrometry) method, the background Hg soil content ...

The qualitative and quantitative composition of biomass of microorganisms has been studied in key points of artificial biocenosis: water filter, duckweed and pond snail. Metagenomic studies have shown the presence of Bacteroides and Proteobacteria types in all examined systems, however, specific representatives - Actinobacteria, Cyanobacteria, and Bacilliwere also found, respectively. A microflora peculiarity of water filter was the presence of actinobacteria. In the intestine of the pond snail (Lymnaea stagnalis ...

Among various pollutants, heavy metals with persistence, non-biodegradation, toxicity and bioavailability pose a major threat to all components of the environment. In soil of vineyard area near Nitra (Slovakia) were analysed four heavy metals (Cd, Cu, Pb and Zn) in order to assess soil contamination. Contamination factor (CF), degree of contamination (DC) and pollution load index (PLI) were used in order to determine the level of environmental contamination of the study area. The average values of CF in soils decr...

The current climate change, demographic problems and unequal territorial and seasonal distribution of fresh water supplies lead to a sharp expansion of the reservoir network. Subsequently, the negatives associated with the process are increasing: flooding of lands and infrastructure, impacts on climate, change of underground water regime, activation of landslide processes and rising population security risks. During designing of water reservoirs, they were not investigated and taken into consideration. The rationa...

A dynamic method has been developed for optimizing reload horizon of a cyclic and continuous technology complex (CCTC) with a combined road-conveyor-rail type of transport for round open pit fields, providing a rational depth of rail transport installation together with economically viable horizons for the location of the concentration horizon and reload from steeply inclined conveyors into the inner mine railway transport. Mining in border and deep zones of open pit mines is conducted in constrained conditions. C...

Hydraulic fracturing is one of the most widely and commonly applied production intensification method in the petroleum industry. The procedure?s main aim is to increase the contact area between the reservoir rock and the production system resulting in elevated productivity. In order to prevent the complete closure of the induced fractures the application of so-called proppant agents is obligatory. The size, shape, distribution and number of the proppants remained after the closure will affect the tortuosity and av...

In the context of reducing the significance of development of irrigated agriculture?s extensive factors, first of all, it is necessary to pay attention to the activation of factors providing intensive conditions for development and growth. This factor is the personnel potential of the industry. It is necessary to know the regulatory, scientific and practical foundations and the current state of the land reclamation industry to determine a more effective methodological approach to the formation of the ameliorative ...

Economic diversification is considered as a model of modern rural development in the European Union and in Bulgaria. It is perceived as a process of increasing the variety of economic activities in the sectors of the rural economy. The creation of stable sectors represented by a variety of production activities, marks the contemporary socio-economic development of rural areas. This is the reason why economic diversification finds its place in the rural development policy of the European Union (EU) and Bulgaria. Th...

The topic of assessing the efficiency of a public investment in a shipping lane involves a myriad of smaller units that can be examined in more detail. The aim of this paper is to focus on the group of public investments related to the shipping lane as an object of public interest. Nowadays, shipping lane enter the topic of public investment primarily as a possibility of reconstruction or modernization of the area so that it can be effectively used for social purposes. The impact of a given shipping lane as a publ...

The work presents and validates the methodology for assessing surface hydrocarbon dissipation which is observed in the vicinity of natural sites and technological facilities. The results of the application of this methodology can be employed in the assessment of the potential environmental risks, the degree of environmental pollution, the influence areas of pollution, etc. and in taking adequate actions to prevent possible emergency situations.

The purpose of this paper is to present an analysis about the methods, which can be applied to optimize the oil and gas supply chain, in the context of globally environmental challenges. The regional legislation backgrounds regarding the environment, mainly based on social and economic reasons, are becoming more and more important. The European Union (UE) is a first example of applying the regional environmental principles and objectives by means of the legislation of member national states, the European fundament...

When constructing a geological model at the stage of 3D grid building, the problem of vertical layering. When modeling is performed on the area with a large number of wells, the process of cross-well correlation of productive strata turns into a very labor consuming stage. To speed up and increase the reliability of the correlation of well sections, the authors proposed an approach to automate this time-consuming process. This approach is based on the use of machine learning algorithms that can reproduce the nonli...

Development of studies on higher education in Poland and extension of opportunities for exchange of experience with other countries influenced the acceptance of the pro-quality orientation by Polish universities. Thus, analytical actions were undertaken to achieve success, namely, to provide a high-quality education service. The quality of education was defined as a level to which requirements concerning the education process and its effects including internal and external conditions were met. Internal factors are...

In an ecosystem, vegetal organisms have a very important role, constituting the level where the most intense and complex matter and energy exchanges are realized and the synthesis and decomposition processes of the organic matter occur, in close correlation with the abiotic environmental factors. The present study aims to describe certain practical methods of study for the vegetation (of a Subcarpathian area, Vulcana-Bai Commune), which has as structural and functional subunits the phytocenoses specific of a Subca...

Bacteria, molds and even algae are commonly found in the environment. Under certain conditions, bacteria, yeasts, molds, algae grow on the facades of prefabricated panel apartment buildings. The article deals with the comparison of two different locations in Ostrava with respect to the occurrence of microbial attacks on the facades of residential prefabricated panel buildings. The first of the locations is adjacent to a high-frequency automobile traffic route and also close to the industrial zone in the lower Vitk...

Due to pressures to conserve energy, many buildings have in recent times been retrofitted with additional insulation. This has resulted in the appearance of microorganisms on the surfaces of building facades more frequently than before. This does not mean, however, that these microorganisms are not also found on uninsulated buildings. In earlier years, the facades of the apartment buildings were not aesthetically distinctive, often using colors such as gray, beige, and the like. Microorganisms may not have been as...

This article describes the design of a crossover whose dimensions are miniaturized using compact elements. Crossover is a directional coupler that allows you to transmit the incoming power to the input diagonally to one output, the rest can be considered untied. Compact units are designed in such a way as to achieve identical characteristics with replaceable lines. The number of connected loops in the crossover design will affect the dimensions and bandwidth of the device. With the help of mathematical modeling, t...

Over the last years the appliance of Computed tomography (CT) on lacustrine and marine sediment cores is continuously increasing, since it provides a fast, high resolution and nondestructive technique in the investigation of sediment characteristics. Micromorphological features that are not clear through macroscopic examination of the core, can now be further analyzed through high resolution 3D visualization. The present study aims on the use of this method as a tool for the clarification of different sedimentolog...

The tectonic evolution of the magmatic rocks the Central Anatolia (CA) began at the late Mesozoic with closure of Neotethys in the region. The Central Anatolia has experienced several magmatic events including felsic and mafic intrusions originated from collisional and/or extensional tectonic events. The felsic magmatism of the CA are well reported and studied, whereas the origin and temporal distributions of the mafic magmatism are still controversial. This study includes the preliminary results of the TUBITAK pr...

The paper presents the results of studying the technological properties of vein quartz Girvas occurrence. The mineralogical and chemical composition of the technological samples are analyzed. The distribution and composition of mineral impurities, gas-liquid inclusions in quartz are studied. When developing a deep beneficiation scheme, quartz grain sizes were selected based on the experience of enrichment of vein quartz, the size and composition of mineral impurities. Enriched quartz concentrate with a particle si...

There are the results of studies of mineralogical features of gold-sulfide ore occurrences of disseminated type of three tectonic structures of different grade of the north-eastern Siberian platform: Sololiy, Ebelyakh uplifts and Anabar shield. At the Sololiy uplift of the Olenek arch ??, superposed disseminated ore mineralization is studied in the Early Permian quartz fine-pebble conglomerates. Ore mineralization is confined to thin zones of conglomerate cataclasis and crushing, caused by tectonic impact, and rel...

Mineralogical and geochemical features of ores played an important role in typification of gold mineralization of the Verkhneamginskiy area, which includes the Khatyrkhay and Khokhoy ore fields. Association of elements is represented by Au, Ag, Cu, Bi in the Khatyrkhay ore field. The mineral composition of ores - pyrite, hematite, chalcopyrite, tellurobismuthite, less common - native gold, galena, sphalerite, bornite, greenockite, hessite, tennantite, bournonite. Supergene minerals are goethite, hydrogoethite, cov...

A new mineralogical application for mobile phones and tablets was created named MINS (Mineral Identifier for Non-Specialists). Android Studio was employed in order to implement it in Java for Android devices and is compatible with versions starting from 4.0 (Ice Cream Sandwich). MINS is an application for macroscopic identification of the most common minerals (about 99%) that exist on the upper crust of the earth. The user has the choice of identifying a mineral or to see a list with the most common minerals. In t...

The main ways that are used to solve problems and create mechanisms for protecting information are generally considered to be: technical devices, the whole set of which is divided into: physical and hardware - and software - programs designed to perform actions aimed at ensuring the protection of information. As a result of the development of computer security and information technologies, experts have concluded that the use of any one of the above methods will not provide reliable information protection. The comp...

We consider innovative technologies in the field of geoinformation management. While planning and implementation of large projects, for example, in the field of environmental management, both on land and at sea or in coastal zones, an important aspect is the management of natural risks using the tools of geo- information support of decision-making, based on geo-information management principles of complex territorially distributed systems, including legal framework and economic justification. The aim of the resear...

The municipal solid waste landfill in Tychy, southern Poland consists of three sites, the old one, closed in 1994, and two others still being in use. The old part of the landfill has neither any bottom liner nor any leachate collection and treatment system. Moreover, the bottom of the closed site in the northern part is continuously above the groundwater table, therefore, pollution can easily release into groundwater causing deterioration of groundwater quality and the nearby river nearby. In order to assess the i...

Modeling using artificial neural networks (ANNs) is used in most fields of production. An approach to modeling the dimensional changes in some iron-based powder metallurgy (PM) parts during the sintering process is given. The proposed model used is a multilayer neural network with a backpropagation learning algorithm. This type of neural network model gave the best results in the process of modeling. The specimens used in this study are prealloyed iron-based powders. The particle size of the powders is ranging fro...

The article presents the methods of modeling two-phase flows. The widespread application of issues related to two-phase flows in industry encourages to familiarize with the methods of modeling this type of flows. The article presents basic mathematical models of two-phase liquid-solid flow on the example of sedimentation. In addition, numerical methods for simulating the sedimentation process are presented. Paper presents the possibility of using the Boltzmann method, the so-called Lattice-Boltzmann methods in mod...

Air temperature influences a variety of environmental processes, having a significant impact on the conditions of living of humans and other life forms. The Brazilian Northeast is a region that comprises a diversity of ecosystems, but it is most known as a semi-arid area characterized by severe environmental conditions. This work proposes to model air temperature in Brazilian Northeast to evaluate changing patterns between 2000 and 2017 using two interpolation techniques and comparing them. Monthly average tempera...

This article reveals main methodological approaches, which allow to construct the adequate mathematical models that describe the effective condition of the social, ecological and economic components of development of the object, system-enterprise, territory, country etc. from the perspective of synergetics. Main ideas of research about the complex socio-economic and ecological systems that are based on synergetic approach are formulated. Characteristics, factors of functioning of complex socioeconomic and ecologic...

Horizon control in underground coal mining is still largely based on the knowledge and experience of a human operator, while many other operations run fully automated in mines nowadays. Several control strategies have been developed for automatic horizon control in underground coal mines, but none of them worked satisfactorily for a long distance up to now, even if the used sensors execute their intended task already and were improved continuously. However, the behaviour of the mining system itself, especially the...

The research was carried out in Tata Valley watershed, Dambovita region, Romania, which is a tributary of the Ialomita river. The objectives of this study were to estimate the annual soil loss by applying remote sensing data and the main data for the Tata Valley watershed and obtain a spatial representation of the results using GIS techniques. The method used to determine the soil erosivity and total eroded soil quantity in Tata Valley watershed, is the RUSLE + GIS technique, adapted to the specific conditions of ...

Territorial risk analysis and assessment present current problem for optimization of these processes in regions, districts and municipalities. Threat scenarios need to be evaluated together with existing vulnerabilities in territory. From crisis management point of view, preparedness (protective measures) also need to be evaluated to form complete picture. Risk mapping allows its users represents possible approach for all these elements to be evaluated together at a same time. Vulnerability and risk mapping are us...

The conventional method of power generation is the main source of power today. With the changes in modern electronics, the uses of alternative power generation options become more and more viable. Series compensation has been successfully utilized for many years in electric power networks. With series compensation, it is possible to increase the transfer capability of existing power transmission systems at a lower investment cost and with a shorter installation time compared to the building of new, additional line...

The Tatra National Park (TANAP) in Slovak republic is one of the oldest national parks in Central Europe and is also included in the NATURA 2000 system. Forest ecosystems in the Tatra National Park are made up of ecosystems, which include also the spruce-cranberry ecosystem and belong to the highest level of zonal protection, with the exclusion of any activity, including the fruit harvesting. In recent years, there has been a massive pressure from developers for tourism development in the area, new recreational fa...

Water level, electrical conductivity, dissolved oxygen, oxidation-reduction potential and pH of Suceava River were monitored in 2018 and 2019 in order to assess the upstream-downstream evolution of these parameters and the impact of Suceava City on this river that divides its built area. The measurements were done automatically every hour with two AquaTROLL 500 instruments. This study focuses on analyzing distinct time intervals with typical and atypical fluctuations of the selected parameters as well as on identi...

Air pollution causes plant injury such as burning leaf margins or tips, delayed grown, root damage and premature leaf drop. An increased pollution also influences the leaf water content, the amount of chlorophyll in the plant and the ability to photosynthesize. In this study we have investigated four types of trees in six areas of Galati. Selected areas are scattered throughout the city and have different degrees of pollution. Samples were taken at regular intervals from the start burgeoning until maturity. The tr...

The article addresses the problem of such a common phenomenon as dysbacteriosis, according to medical experts in Kazakhstan, up to 90% of citizens are susceptible to disruption of the intestinal microflora. It was mainly influenced by the economic crisis of recent years, as well as environmental problems that adversely affected the nutritional structure of the population. One of the way to solve this issue is the use of probiotics, contributing to the normalization of the intestinal microflora to have a regulating...

Sediment transport in rivers is posing a hazard to infrastructures and cities built along the river courses, especially in mountain areas. Awareness about this topic raised in the last decade and even the European Flood Directive in 2007 stated that particular attention should be devoted to ?areas where floods with a high content of transported sediments and debris floods can occur?. Authors are monitoring sediment transport in a 24km2 basin in Alps, Northern Italy, since 2016. This stream was surveyed multiple ti...

One of the most important characteristics investigated during the obtaining of polymer nanofibers is the mean fiber diameter, which depends on the technological parameters of the electrospinning process. Polyvinyl chloride (PVC) nanofibres were obtained on the NANON-01A, Japan. The following technological parameters were used to obtain nanofibers: voltage is in the range 15 to 30 kV, a solution feed rate is in the range of 0.3 to 1.0 mL/h, a distance between the collector and the tip of the syringe is in range 7.5...

At the VSB-Technical University of Ostrava, Faculty of Safety Engineering, Department of Civil Protection in the field of Emergency Planning and Crisis Management, is taught the subject called Civil Emergency Preparedness at bachelor's degree program. Learning outcomes of the subject unit is focused on the management processes a assessments related to the preparation for extraordinary events and crisis situations in the Czech Republic. Special attention is paid to the issue of civil protection and safety of infras...

It is known that one of the methods for purifying gas fraction from hydrogen sulfide is amine treatment. Various types of amines are used to remove hydrogen sulphide, carbon dioxide and carbon dioxide from petroleum gases. The choice of specific amine depends on the needs of the process. Mono-ethanolamine (MEA) (C2H4OH) NH2 and diethanolamine (DEA) (C2H4OH) 2NH are commonly used. Both are ammonia derivatives. To develop recommendations on the choice of material from which to make equipment for amine plants, compar...