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The determination of the physical and mechanical parameters and properties of the soil is an important part of the design of geotechnical structures. The soil characteristics can be specified by laboratory or field testing. In Slovakia, one of the common field tests, used for determination of the soil characteristics during the engineering geological investigation, is the dynamic penetration test. In 20th century, the dynamic penetration test passed through substantial development and simultaneously, the correlati...

Modern unmanned aerial vehicles (UAVs) are used to perform a wide range of flight tasks (military and civil), implemented both in autonomous flight mode and by remote control. One of the advanced technologies for their use is the organization of flying sensor networks (FSN). The quality of information exchange in FSN, widely used for monitoring of various natural and technical objects, depends significantly on the conditions of signal propagation and the level of external interference. A promising method for impro...

The business is under constant pressure to improve their environmental performance, in particular, in response to scarcity of natural resources and the higher societal expectations for social and environmental responsibility. Therefore environmental management has become crucial to overall business management. In the new series of ISO standards, the ?risk-based thinking" underlies the development and implementation of the environmental management system. The risk-based approach allows the integration of risk manag...

Floodplains are complex systems which include a wide number of socio-economic activities like agriculture, freshwater fisheries, electricity from power plants and others. They have often highly dynamic property, due to the alternation of fluvial processes, floods, and ongoing sediment transport, as well as of environmental specifics and natural or anthropogenic processes. In the context of the investigation of soil pollution with heavy metals in the riverine floodplains, the availability of geomorphological maps a...

The global development of science and technology encourages many countries to use their own modern coordinate systems, determined on the basis of satellite measurements. At the same time, the modern system should be characterized by its openness and unity for the entire territory of the country. One of the main problems arising in the creation and operation of its own high-precision positioning satellite systems in the Republic of Kazakhstan are the lack of domestic satellite equipment, specialized software and te...

This article shows the geochemical studies of associated produced reservoir water of the Bobrikovian horizon by the area of research at one of the deposits of the Republic of Tatarstan. The horizon is characterized by terrigenous rocks, which in turn is underlain by a massive carbonate reservoir. Quite a lot of producing wells work for it, and also, in view of reserves development, a system for maintaining reservoir pressure has been introduced. Based on the composition of the produced water, maps of the distribut...

The paper aims to address the importance of inspection and maintenance of electrical equipment used in liquefied petroleum gas car filling stations. In order to maintain in operation the electrical equipment in environments with potentially explosive atmospheres under harsh conditions, the personnel involved in inspection and maintenance activities must be trained in such a way as to know the operation of these electrical equipment with different types of protection and how to perform their maintenance. Inspection...

The Geological Survey of Norway, in 2019, collected helicopter borne geophysical data in parts of Loppa and Kv?nangen municipalities, in Northern Norway. The objective of the airborne survey was to obtain a dense high-resolution magnetic, electromagnetic and radiometric data set over the surveyed area. These data are required for the enhancement of the general understanding of the regional geology of the area. Adjoining areas covered by previous airborne surveys in 2014 were merged with the current data. The studi...

Effective stimulation of the activities of national enterprises related to environmental protection, reduction of the negative industrial impact on the environment, an increase in innovation and investment attractiveness, environmental image and improvement of environmental situation in Ukraine is possible if the methodology for assessing the overall level of enterprise?s environmental security is developed and tested in practice. The relevance of solving this scientific problem is that it is important to take int...

Environmental risk factors for environmental problems with physical, chemical and biological factors that cause or may cause health disorders as well as environmental degradation. One possible factor is noise. The World Health Organization (WHO) estimates that a target of 40% of the EU population is exposed to traffic noise of more than 55 dB and that more than 30% is exposed to levels of more than 55 dB at night. The issue of protection of the health of the population against the adverse effects of noise and vibr...

At present, the issue of waste management is becoming more acute because of increased quantity and diversity of waste, as well as because of its more and more pronounced negative impact on the environment. The current paper showcases a study carried out at a compliant household waste landfill where the following were monitored: quality of air containing wind driven suspensions, gases coming from the warehouse surface or from trapping and burning methane resulted from landfill?s cells as well as odorants released i...

Assessment of available geophysical and geological data for the Bulgarian Black sea shelf is presented in order to give a conception about the simplicity and functionality of the methodology of how the records are stored. Data on these disciplines provide valuable information about the history and the dynamic of the shelf and can be in use for numerous investigations. Geological, morphological, geophysical, geochronological findings show the changes in the shape and movements of this region from the aquatory, its ...

The study of regional characteristics of the bottom sediments physicochemical structure in semi-closed water areas (using the example of the Balaklava Bay) is especially relevant due to the fact that the recreational potential development rate of this region has significantly increased. During the studies, 3 columns (two in northern part of the bay and one in southern) of bottom sediments were taken and the activity of 137Cs, 210Pb, and 226Ra in them was determined. Column samples were taken using an acrylic soil ...

The incidence of extreme rainfall has increased in recent decades. This negative impact of climate change also calls attention to when dealing with the recovery and reconstruction of sewer networks. Slovak cities have built a combined sewer network, which in the event of heavy rainfall, is not able to fulfill their primary function. The pipes are not able to carry the large volume of mixed wastewater, and network overload occurs. This paper focuses on the assessment of individual collectors of the sewerage network...

By applied to spatial planning tasks, a multi-level spatial sustainability assessment system should be taken into account. The paper considers the district spatial level which includes the coastal district municipalities within their administrative borders. All coastal district municipalities have features of their socio-economic statement and environmental status, due to various physical, geographical and socio-economic aspects, which determines the current state of stability of the spatial system. The following ...

The aim of the article is to identify, analyze and evaluate the scientific problem of the communication interface of workplaces for air traffic controllers in training in the training facility TU / LF Kosice, especially in process and radar air traffic control, in the context of instructor-student and pseudopilot communication within the planned set of specific LETVIS workplaces. The formulation and description of a scientific problem will enable the determination of a methodology for researching the issue by scie...

In order to determine the effects of strong earthquakes for a given settlement, it is necessary to solve several tasks in a few stages. The first task is identification of the building stock for the surveyed area. The assessment of the effects of strong earthquakes is based on procedures for integration of seismic hazard and seismic vulnerability of the bearing structures of the building stock. The building stock is divided into three main groups, taking into account the specificity of the building and the availab...

Active development of unmanned aerial vehicles has led to their widespread use for various purposes, and magnetic prospecting is no exception. UAVs in various modifications are used in aeromagnetic surveys intended for magnetic mapping of the subsurface. This allows to solve the problems of not only aeromagnetic prospecting (identification of ore deposits, petroleum prospecting, etc.), but also of geological engineering and archeology. The advantage of using UAV lies in the cheapness and safety of the survey. Magn...

Theoretical studies of how resource-based economies develop change along with changes in approaches to studying sustainable development. There are opposite points of view on resource-based economies. On the one hand, abundant natural resources help countries grow rapidly and efficiently. On the other hand, the 1970s saw the emergence of the resource curse concept in which natural resources are seen as an obstacle to successful economic development. This paradox is explained in various ways, including macroeconomic...

The drilling muds parameters are playing a major role in drilling technology and particularly in oil and gas drilling technology. At present those parameters are measured manually at long and irregular time intervals. In Satpajev university a general method of the existing manual measurements automatization has been worked. A number of patents on appliances for automatic continuous measuring the drilling mud funnel viscosity, density, jell stress and other parameters was obtained. Engineering development on creati...

Being an almost landlocked sea, the Black Sea has a particular situation regarding water exchange and circulation. Moreover, the anthropogenic pressure and shipping related activities worsen the situation of this sea from the pollution point of view. The introductory part of the article presents the role of the ballast water system onboard ships in a few words. Then, the paper presents the environmental context of the Black Sea with the focus on the wind and waves, factors which can affect the ship stability. The ...

In Kazakhstan the marine sections of the boundary deposits of the Bashkirian and Moscovian Stages are located in the Zhungar-Balkhash region within the carbonate-terrigenous, carbonate and, less commonly, carbonate-type rock units. The most well-known and studied sections are situated in the North-Eastern Balkhash Lake region (the Tastykuduk formation) where in the boundary deposits of the Kungesai and the Tastykuduk sections (the Sayak synclinorium) there are faunas of ammonoids, foraminifers, corals, bryozoans, ...

The fixture of optical elements in optomechanical assemblies is a field that develops depending on ever-increasing demands on optical systems, namely on their performance, the accuracy of the fit for the lenses, on the installation space, the resistance of the assemblies, etc. Equally important is the view in terms of the production demand for such a system, which is also growing. The article presented here deals with a theoretical understanding of the issues concerning the free bonding of lenses, i.e. fitting the...

The discovered industrial and semi-industrial hydrocarbon reservoirs, seeps and offshore gas hydrate fields in the Bulgarian Exclusive Economic Zone (BEEZ) are evidence of the generation and migration of oil and gas in the Western Black Sea basin. Marine gas hydrates from the deep water palaeodelta of Danube are seismically studied recently, but the issues about their origin and thermal maturity of sediments still need significant clarification. Therefore, the aim of the paper is to study the basin subsidence and ...

In the Northeastern part of Kosovo is the Trepca Mine which produces very beautiful crystals. These crystals with mineralogical composition are in favor of being visited by visitors and tourists from all over the globe. Their value is great and it is important to visit. Near the Trepca mine is the Museum of Crystals and Minerals of Kosovo. "Trepca", where crystals and minerals extracted from the underground of Kosovo are stored, protected and exhibited, not only in the Municipality of Mitrovica, which have a high ...

The Barents Euro-Arctic Council (BEAC) is the forum for inter-governmental co-operation on issues concerning the Barents region. BEAC unites 13 regions of 4 member countries ? Finland, Norway, Russia, and Sweden. The Working Group on Environment (WGE) deals with major environmental challenges. Back in 2003, BEAC issued the Barents Environmental Hot Spots List, which included 42 major polluters located in the Russian part of the Barents region [1]. WGE worked out the ?Criteria and Procedure? approach aimed at promo...

Assuring good air quality is a challenge for every big city all over the world, since air pollution poses important health risk to humans and increases with the industrialization and urbanization degree. Cluj-Napoca is a Romanian city with high population density and intense traffic, but also with moderate to high air pollution. The air pollution with metals (Cu, Cd, Co, Cr, Ni, Pb and Zn) in Cluj-Napoca city was investigated using moss bags. Polyethylene bags of 50 cm2, containing 8 g dried moss (Sphagnum, L.) co...

The purpose of the work is to determine the patterns of influence of biotechnological and physical methods of processing raw materials on the quantitative indicators and amino acid composition of protein concentrates obtained from chickpea grain. With the use of enzyme preparations, the yield of soluble chickpea protein reached up to 60% of the total content in raw materials. The regularities of the effect of ultrasonic treatment on the solubility of the proteins of the suspension of chickpea flour with an increas...

Bicycle transport is usually perceived as environmentally friendly alternative of car transport. From the point-of-view of everyday mobility, the bicycle is relatively fast, inexpensive, healthy and environmentally friendly mode of transport, which helps people to overcome the dependence on the car. For this reason, promoting cycling is one of the key concepts of sustainable mobility, which influences the creation of mobility management plans in recent decades. However, not everything is so bright. This article re...

In Siberia and the Far East (Asian part of Russia), regions with special climatic condi-tions, 99 species of plants are described that are pharmacopoeial and some of them are official, that is, plants that are raw materials for the production of medicines. However, not all medicinal pharmacopeia plants growing on the territory of Russia are protected, so the number of such species may soon be in jeopardy. The prospects of using medici-nal plants of the Siberian and Far Eastern regions by the example of Amur maacki...

Air travel contributes to climate change and causes environmental and economic damage by its CO2, NOx, noise and other emissions. The global carbon emissions from commercial flights are rising to 70% faster than predicted because of the growing demand for air travel in developed countries. The aviation industry accounts for 2 to 3 per cent of the CO2 emissions in the world. The principal purpose of the presented article is to acquaint with one current trend of everyday life, particularly in aviation titled as carb...

The study begins with a synthetic presentation of geological and geophysical data at this time. The geological data come from the detailed geological mapping superimposed over the previously elaborated geological maps (at scales 1: 200000 and 1: 50000). The data on the deep structure come from the magnetotelluric and seismic sections interpreted. Of course, the documentation obtained from previous referenced publications and the specialized sites brought an extra knowledge. We performed a multiparametric correlati...

Bioleaching of sulfide minerals has been successfully applied worldwide for obtaining copper for decades. This technology provides about 5% of world copper production and is used as an alternative for pyrometallurgical processing of copper ores. Despite widespread of biohydrometallurgical technologies, there are a number of issues in this area, which impede the development and commercialization of bioleaching. For example, chalcopyrite (CuFeS2), the most abundant copper sulfide mineral, is refractory to biooxidati...

Between geoparks and protected areas occur some differences. Geoparks represent a complementary rather than competitive concept to nature protection. The theory of geoparks considers not only the protection of geological heritage with support for their understanding, education but also promote sustainable socio-economic and cultural development by geotourism. In this context, we referred to the feasible prospects of geoparks in protected areas on the example of Silica Plateau, one of the areas of the proposed Sili...

The Irovka River in latitude is in the rectangle 23.89 minutes and in longitude 18.89 minutes. The purpose of the article is the analysis of wave equations in the form of asymmetric wavelets of coordinate change - local longitude. After identifying the wavelet, 18 components with variable amplitude and oscillation period were obtained. A significant part of the oscillations occurs along the Irovka River with a length of 69 km. The first three members gave a correlation of 0.9991, which is slightly less for the loc...

In the present work the dependence of macro- and microelements content in plants on the level of soil contamination with heavy metals is estimated. The influence of different concentrations of lead (Pb), zinc (Zn) and cadmium (Cd) in Sod-podzolic soil and Chernozem on the elemental composition of agricultural crops (wheat, barley and alfalfa) depending on their biological characteristics has been studied. It has been shown that as a result of excess metals intake into plant organisms there are violations of the me...

The cryoscopic temperature (-1,3°C) in rainbow trout samples was determined. The calculation of the values of the individual temperature storage mode was carried out, ensuring that the product contains no more than 40% of ice water. The calculation of the amount of ice water was carried out using the calculation method proposed by D. Ryutov. A value of 40% is taken as the maximum permissible ice content in deep-chilled fish. According to research by N. A. Golovkin, this percentage of ice water provides a product t...

The influence of a number of factors on the condition of small rivers in the Kaliningrad region is considered. It has been shown that deforestation, floodplain cultivation and development, changes in microclimatic conditions, affecting even 20% of the catchment area of the small rivers, significantly specify their ecological state. Since bottom sediments are an indicator of the state of watercourses, their quality also depend not only on factors directly determining composition, but also on factors determining the...

This paper describes the influence of biomass ash (BA) from wooden chips processing on the properties of magnesium potassium phosphate cement (MKPC) mortar. The MKPC belongs to chemically bonded cementitious binders and is formed through the reaction between the dead burned magnesia (MgO), KH2PO4 and water. The dead burned magnesia powder as well as the biomass ash were first analysed by XRF, particle size distribution and specific density. In the production of MKPC-based composites, the biomass ash was used in th...

In this research work, we examined the types and nature of bonds that are formed upon immobilization of peroxidase on three types of carriers: SiO2, Al2O3, Fe3O4. To solve this problem, the method of FTIR spectroscopy was used. As a result of the analysis, many spectra were obtained at all stages of enzyme immobilization. Analyzing the spectra of pure carriers and the spectra obtained after modification of the carriers,it can be said that polystyrene sulfonic acid does not form any chemical bonds with the carriers...

The article summarizes the total number of technogenic mineral formations in Kazakhstan, which occupies the 9th place in the world over the territory, which has huge mineral reserves. The presented material gives the properties of the waste, its particle size distribution, storage conditions, as well as the approximate volume of secondary raw materials. The integrated use of mineral resources is a very difficult task, including technical, economic and environmental issues, the solution of which requires the joint ...

Monitoring of aquatic objects ecological state must include forehanded recognition of critical situations. Therefore, the forecasting widely uses possibilities of computer simulation. Of course, the most complicated and relevant simulation model of an aquatic ecosystem is giant simplification of its real life. Nevertheless, history of mathematical ecology proves that even such simple simulations of population dynamics, as predator-prey models and ones of competition for a resource between two or three species can ...

Russian Arctic regions are most sensitive to global climate change. Their unique and fragile ecosystems are very dependent on freshwater. Beyond temperature rise, climate change is accompanied by shifts in precipitation and wind conditions, thereby causing floods, droughts, and altered mixing regimes, all having a serious impact on the abiotic and biotic structure. This work is relevant for better understanding of the biota of the Russian Arctic. Cladocerans are very promising for studying climate change risks owi...

The Brown Coal Research Institute j. s. c. is realising the long term research and survey in the field of restoration problems. The target of these works changed during development of localities. The main problems of present days are reclamation during frequent hot and dry periods, the extreme alkaline soil reaction of any localities soils, occurrence of phytotoxic and sterile areas and methodology of areas retained to natural succession founding. The article is devoted to the methodology of research and to the de...

Climate change is a global problem with serious social, economic and distributional effects on the environment. It is one of the main current challenges for humanity. Changing climate conditions in the long term, as well as short-term fluctuations and non-standard variation of temperature characteristics, have a significant impact on the behavior of pavement structure. Since the end of the 19th century, average temperatures have risen to 0.6 °C. The article describes the results of measurements and evaluations of ...

The object of this study is the variability and trends of extreme 24-hour precipitation in Bulgaria during the period 1931?2019. The regime of potentially dangerous precipitation (? 60 mm/24 h) has been analyzed on the base of available daily data from all stations of the national meteorological network with continuous observations at least in half of the study period. We focused our attention on this type of precipitation because it often causes significant economic damage and human casualties. The advanced tools...

Cogeneration equipment is generally classified according to the power source for the production of energy and the size of the electrical power. Low power cogeneration refers to those with powers up to 1 MWe, and those of medium power reach 25 ? 40 MWe. The overall efficiency of primary fuel use, under favorable conditions, can exceed 90%. Currently there are different solutions for low / medium power cogeneration, whose technologies are well developed. For a properly designed low power cogeneration the investment ...

Stress agents are only potentially stressful, generating psychological stress only under certain conditions, even if some of them are able of generating stress reactions in most individuals. Therefore, effects of stressors depend not only on their own characteristics but also on attributes of the subject receiving their action such as quality and breadth of emotional responses, adaptive strategies available and mobilized in the created interaction etc. Specific responses to a situation that potentially endangers l...

The paper provides comparative characteristics geodynamic situations and of related intrusive series. Discussed are cases of alternation of such granitoids in time, their connection in space and relation to collisional processes. I-granites form extended gabbro-diorite-granodiorite-sodium and potassium-sodium granite series with gradual increase of the role of silica and potassium in the final products. Differences in the petrochemical composition of pre- and late collision of I-granites are conditioned by the sub...

Accurate measurements in forest inventories are crucial. Though manual measurements are precise, they are time consuming, while most of the times, the amount of collected data is limited in Diameter at Breast Height (DBH) and Height. Contemporary technological achievements such as Terrestrial Laser Scanner (TLS) and Unmanned Air Vehicle (UAV) can be used in forest inventories, where capturing detailed and highly accurate information, such as geometry, texture or color, can be obtained in great detail and speed. Th...