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Biological domestic water treatment is an important and integral step of wastewater treatment system and it treats wastewater coming from either residential buildings or industries. This process is used to remove any contaminants that left over after primary treatment. The biological process of domestic water treatment presented in this paper consisted in the activation of the suspended microorganisms, which consisted of two distinct operations: a) aeration, where the microorganisms are mixed with nutrients from d...

Anthropogenic load is the main cause of forest fires near settlements and various objects of transport or industrial infrastructure. It is proposed to mark out a point source of anthropogenic load. Similarity in the processes of propagation of anthropogenic load and diffusion heat transfer was used for simulations. The quantitative characteristic of the anthropogenic load is the virtual (possible) number of forest fires in a controlled forest-covered area. A one-dimensional mathematical model for estimating the sp...

Energy efficiency is a key factor of today?s engineering practice. Water and wastewater systems (made up of supply and disposal networks, treatment plants etc.) often contain under pressure sections. Their energy efficiency strongly depends on the accuracy of the head loss evaluation including local head loss. In these systems a great amount of local head loss is given by different valves. Gate valves and check valves are being widely used in water and wastewater systems, therefore this article focuses especially ...

The cereals (especially, wheat) production increases in all regions of the World. However, the challenges of sustainable development and the demand for products with increased added value make the use of the entire crop for food unsustainable. Alcohol fermentation of grain by yeasts is one of ancient technologies created by mankind. Highly productive fermentations of lactobacilli and even bifidobacteria can be carried out also. A significant change of the approach is necessary as these bacteria are sensitive to th...

The paper aims to highlight a new development in the field of subterranean measurements undertaken in Romania, as it proposes a replacement for classical geodetic techniques with a laser scanning approach, through which measurements of the geometry of a terrain or structure can be made completely automatic, with high speed and precision. In this case, the chosen methods (classic measurements and 3D scanning) created the possibility of integrating and storing data into an intelligent three-dimensional model of the ...

Project management is a recognized and used technique for the preparation and implementation of projects. There are several different methodologies worldwide, which try to achieve the same goal by different approaches - previously defined goal of the project. In construction industry, the projects are always connected to the particular type of construction. However, the goal of the project is not the realised construction itself, but it is the means how to achieve it. Construction production is characterized, amon...

Nowadays are developed the global ambition to increase the environmental awareness of European countries. The result is the creation of new environmental directives and acts. Several tools have been developed to assess environmental impacts, some of them are mandatory as Environmental Impact Assessment or Environmental Risk Management (are set in Act no.24/2006 Coll.) and some of them are optionally. The best known optional tools are Eco-Management and Audit Scheme (EMAS), Green Public Procurement (GPP) or Life Cy...

Environmental parameters can be seen as underlying forces of land-use change. Their physical expression in land use-change depends on many factors such as landscape heterogeneity, land-use intensity and socio-economic variables. This paper focuses on the role of four particular environmental parameters ? aspect, elevation, slope and soil-trophy ? within three separate study areas in cultural landscape of Trkmanka watershed. The research was based on combination of spatial analysis and advanced multivariate statist...

The article provides a brief description of the concept human-machine interface for the interactive touch control panel of the mobile cone crusher. A software implementation of an automated cone crusher control system is proposed that allows to integrate a set of interconnected technological units in the control of one hardware and technical units in the controller and human-machine interface on the touch panel in the operator station. A human-machine interface was implemented, based on a set of technical, informa...

Recently, Russian oil companies in oil fields are working on clarifying the "old" and identifying new geological structures discovered by the results of seismic exploration. This is due to the fact that oil reserves in both clastic and carbonate rocks with high and medium porosity have almost completely been developed. To clarify the "new" geological structures and revaluation of oil reserves, seismic models are being built. Modeling of elastic rock properties (Rock Physics) allows to link their reservoir properti...

Designing flat roofs has many issues and decisions. This can be, for example, the decision on how to close the flat roof. By default, roofs are terminated at the periphery by means of attics or by creating a so-called rigid edge of the roof. This paper focuses on the first option, and therefore the termination of the flat roof using the atics. The author is dealing with the findings with regard to the way the proposal is implemented and the subsequent realization of the details. As a major waterproofing layer, fil...

The aim of the work was the creation of multicomponent protein composition with predetermined biological value and higher functional properties than the original plant based protein products. Initially, studies was made on the extraction of protein concentrate from defatted amaranth flour, for which were studied the fractional protein composition, solubility in various solvents, and the effect of cellulolytic and xylanase enzymes on the yield of proteins from amaranth flour . Were chosen the most effective solvent...

At present, biotesting methods are widely used to assess the toxicity of environmental objects. Priority environmental pollutants include heavy metals and phenolic compounds. The aim of this work is to compare the sensitivity of biotesting methods to determine the toxicity of waters containing heavy metals and phenolic compounds. To achieve this, biotesting methods based on the survival of Daphnia magna crustaceans, changes in the intensity of bioluminescence of the saccharifying bacteria (the "Ecolum" test system...

Product manufacturing continuously increases despite of complicated relations and unstable world economics. Various forecasts of development in industry show that in future the consumption should not decrease; on the contrary, it should slightly increase. This happens even despite of minimization in industry. But production processes present environmental charging for any company, acting in given sector. Treatment of waste is important for producers of all kind of waste, as well as for consumers that are producing...

D?mbovi?a River flows through Bucharest, capital of Romania, from NW to SE, bringing something from the nature in our capital. Since 1986, at the entrance in Bucharest, in order to control floods, it was realized Lacul Morii reservoir and the riverbed of D?mbovi?a was regulated along the city. ?Lacul Morii? reservoir is the largest lake in Bucharest covers an area of 246 ha and has as other potential water uses: providing water for CET Groz?ve?ti, irrigation, pisciculture, production of electricity. The reservoir ...

The current state of agriculture in Ukraine confirms the necessity of sustainable development of this branch of economy capable to solve the country's food security and ensure the effective functioning of the domestic market, fair competition among agricultural producers and consumer confidence, protecting their interests, rational use of natural resources and creating conditions for preservation, reproduction and increase of soil fertility. These components are focused in the resolution of the EU Council No 834/2...

Applying sustainable development principles interferes with various spheres of human life. The greatest attention is paid to housing, transport, health protection, pollution, etc., i.e. areas noticeable by ordinary residents. Less emphasis is placed on the area of sustainable technical infrastructure. Minimum attention is paid to maintenance, operation, and repairs; and we may in this case often experience emergency maintenance only. Most operators and owners of the technical equipment have recently reported incre...

Hydrobiological monitoring of selected pools (alluvial oxbow) was carried in the K?ran?-Hrb??kovy t?n? Nature Reserve (Czech Republic) between 2015 and 2017. The pools represent a residual aquatic ecosystems of original inundation floodplain of the Elbe River, before river stream regulation. The regular samplings were performed every four weeks and more than one-year cycle was covered. Water quality parameters (temperature, conductivity, pH, dissolved oxygen and transparency were measured in the field. The level o...

The paper presents a study on water quality, which can be influenced by biological, physical and chemical parameters of water. Water quality has the purpose of identifying the direction of water use for both domestic and industrial purposes and is of particular importance to humans and living organisms. In addition to the human factors that have a major impact on water quality (both for surface and for groundwater), there are also natural factors and anthropogenic activities. The purpose of the study is to analyze...

My presentation discusses facts about usage of brickmaking materials necessary for production. I named technological processes for extraction of brickmaking materials reaching to fifties of twentieth century. Their shift in modernization of technological processes in extraction of brickmaking materials and their current state. I concentrated on individual mechanical devices. From first machines serving in help of extraction, transportation and processing which have been entering extraction processes from the begin...

During operation of Marine Long Stroke Engines used as a ships main propulsion, an excessive wear of cylinder liners and piston rings and problems associated with scuffing have frequently occurred. Such failures share the highest proportion in statistics of all engines failures. In order to prevent all these problems, it is necessary to conduct assessments of cylinder liners and piston rings condition frequently, during normal operation of engines. To identify wear factors of piston rings analyzed the wear records...

The paper presents information about the mineral resource base of the Republic of Sakha (Yakutia)-one of the richest regions of Russia in minerals and severe climatic conditions of their development, the presence of almost universal permafrost causes a particular vulnerability of the environment in mining. In this regard, the methods and results of studies of the geoecological state of the landscape in the development of Geosciences, including space surveys of mining operations, the regime of their restoration by ...

Under intense stress, energy consumption undergoes essential changes that largely depend on functional characteristics of the respiratory system, which in turn are in close correlation with the body?s training degree and physical demand. During a pronounced dynamic effort, there is a progressive decrease in blood oxygen saturation and an increase of pulse. Cardiac rhythm is a physiological parameter commonly used in telemonitoring as it allows the assessment of rescuer?s general condition, heart rhythm disorders b...

The article aims at analysing the content of heavy metals in plants in two rural administrative units of Psary and P?oki which are located in the western part of the Ma?opolska province in Poland. These areas have been heavily transformed by the mining and processing industries. It was found that the content of cadmium in the plant material slightly exceeded the permissible standard of the element for animal feed in accordance with the Regulation of the Minister of Agriculture and Rural Development [1], therefore ...

In order to preserve its competitiveness and retain the current number of work places in the European steel industry as well as to meet stricter emission standards, the implementation of industrial symbiosis activities is an unavoidable measure. The objective of this paper is to identify the best industrial symbiosis enabling practices done in the steel industry worldwide. For this purpose, a review of successful industrial symbiosis case studies in the steel industry was performed. For the sake of comparability, ...

Whey cheeses, among which Ricotta is the famous one, are considered valuable food products from a nutritional point of view, enabling sustainable valorization of whey, a major by-product of dairy industry. As a consequence of their rich composition, high moisture content and pH, whey cheeses favor microorganism growth. That is why, producers have to pay special attention to avoid spoilage and risks to the consumer?s health, recalls and economic losses. They also need to meet health-conscious consumers demand for h...

Nowadays, wearable devices represent an intensely-used technology, which helps us keep track of various vital parameters. It is a great development, its impact on society being described simply by the success among users. The data provided by wearable devices can be easily integrated with wireless sensor networks, leading to successful Internet-of-Things applications. The purpose of this paper is to analyze the current stage of wearable technology, as it represents fast and simple data sharing. These make it is es...

One of the most important issues of the global economy including the European one is the problem of environmental pollution from the by-products of industrial activity. The development of energy, metallurgy, electro-machine and other industries makes the environment more and more contaminated and degraded. This process covers virtually all spheres of the natural environment which are the lithosphere, atmosphere, hydrosphere and biosphere. The contamination of the atmosphere is particularly dangerous because it adv...

Drilling fluid significantly affects all technological operations in the process of deposit drilling and completion. The main task done by the drilling fluid is providing proper drilling and cleaning of the hole bottom from cuttings as well equilibration of the rock mass pressure, cooling and cleaning the drill bits. Moreover the drilling fluid should minimize the damage to the permeability of productive deposits in the near-well zone and maintain stability of the wellbore walls. For providing the correct protecti...

Land use planning strategies on regional and local level have in the last time gained a special consideration in connection to debates about shaping human activities in such a way that their environmental impacts are as low as possible, as such strategies are actually playing a decisive role in this regard. Taking into account technical aspects in connection with environmental and social ones, special attention has to be paid to the field of land use. A proper land use planning, beside land administration and mana...

The publication concerns the issue of losses and gains related to the rock mining activity in the whole business life cycle of a mining undertaking in relation to: mining entrepreneur, communes, local communities and the environment. The analysis of the issues was conducted for three specific stages of a mining undertaking: identification of geological resources and technical and economic analyses of an undertaking, preparatory works, deposit opening and mining as well as winding up of the mine. The conducted anal...

In this paper, we examine the methodology of data processing, which allows performing retrospective analysis of changes in various characteristics of cultural heritage objects during certain time intervals. In order to analyze such changes in the indicators, which are inherent in the objects of cultural heritage and are critical for assessment of urban development of a territory (city), one can apply the proposed methodology and obtain averaged information about numerical values of particular indicators assigned t...

A salt stratified Lake Shira has been the subject of extensive research because of its central role in the existence of the Khakassia resort area. The previous research was mainly aimed at water quality issues. The studies of the physical dynamics of Lake Shira relevant to the present work include the general observation of currents on the basis of the field experiments in 2011-2014. Velocity measurements were carried out using Doppler Current Profilers with frequency 600 kHz and 1200 kHz in the bottom track mode ...

The global influence of environmental problems has led to an increasing role of international environmental non-governmental organizations, which has become active actors on the global arena. Climate change as the serious challenge led to consolidation of efforts of states and non-governmental organizations. ?Green diplomacy? or ?environmental diplomacy? has become a part of international relations. At the first stage of our study the characteristics of the leading international environmental organizations were co...

The Arctic coastal zone is very sensitive to environmental changes and anthropogenic impacts. The western part of the Russian Arctic is well studied because there is a lot of petroleum-gas deposit mines, especially on the Yamal peninsula, however data about the soil properties of the coastal zone does not appear much in the published literature. This is because people who investigated in the coastal dynamics do not study the soil properties, and vice versa, those working in the geoengineering survey do not publish...

New results of the main bentonite localities mineralogical research in the Most Basin area are the main topic of this paper. The main attention is devoted to the quarry Rokle near Kada? city. The first part of this article briefly summarises geological situation of these localities, parameters of the mined raw material and possibilities of bentonite application. The second part of the paper describes result of the long term mineralogical research of these localities. The last part of this article presents new mine...

Geomonitoring of a mining infrastructure has a crucial impact on company?s proper functioning and safety. For many years one of the most popular monitoring methods in Poland was to measure the tangent directions at multiple levels of a slim construction such us headframe or chimney (bisector intersection). Modern methods contain also GNSS measurements. However, the best method to generate a true shape is TLS measurement and 3D model preparation. Analysing such model, it is possible to determine not only the maxima...

The aim of study was development of method of processing native starch by low-temperature biocatalysis without preliminary gelatinization, provides the production of new types of starch products. Was made studies of glucoamylase effect on native starch in water environment with temperature lower than sub-gelatinization temperature point. The objects of the research were samples of various types of starch (wheat, potato, maize native, amylopectin) and products of biocatalysis: modified starch and liquid fraction of...

The importance of keeping in good shape and transmitting the world heritage to future generations is accepted worldwide unanimously. The values of the past are those that define a country, and for which society must ensure as efficiently as possible their protection, while adapting them to advancing technology. At present, there is a well-established legislation on the energy efficiency of new or renovated buildings. This facilitates the achievement of a ranking and therefore a labeling based on energy consumption...

Adaptability of training complexes, i.e. the possibility of their optimization for the psychophysical characteristics of the student, is a promising direction in the design of such systems. Design, optimization and implementation of adaptive training complexes (ATC) is impossible without the development of mathematical and algorithmic support, allowing to represent the entire sequence of stages of creation of the training complex. Due to the modular principle of building a system and decomposition of the original ...

The present study explores the impact of natural and climatic factors on the conditions and efficiency of the activities of Russian public utility companies in the context of the theory of the economic system's adaptation to the rapid changes occurring in the natural and climatic conditions using the example of the Far North. Given the change and uncertainty in the factors of the external and internal environment for public utility companies, innovative processes in the field of management are regarded as an imman...

The article deals with the stages of obtaining collagen hydrolyzate by means of biomodification of cattle rumen, as well as the method of its canning by freeze drying. The preparation of cattle rumen hydrolyzate (RHF) was carried out as follows: the scar was pre-rinsed in running tap water for 20 minutes to remove contaminants and mucus, scraping off muscle and adipose tissue; after the run-off of water (15?20 min), the raw material was ground on a top with a diameter of holes of the scoring grid of 2?3 mm. The gr...

In the work we consider the problem of optimal organization of healthcare system taking into account both map and statistical data. Map data include degrees of urbanization which classify the character of an area. This approach is based on mapping the territory by a grid square cell of 1 km2. Data about public health include research concerning spreading of basic infectious diseases and distribution of hospital system. Decision making is based on application of decision tree induction algorithm for tuples containi...

Winter pumpkin represents a seasonal crop of health and food interest due to its nutritional composition. The aim of the present study was to comparatively evaluate the content of the main antioxidant compounds, carotenoids and phenolics, from pumpkin (Cucurbita maxima) pulp as related to different pretreatment conditions. Samples of pumpkin pulp were subjected to three pre-extraction methods, as follow: freeze-drying, oven-drying at 60oC and freezing at -70oC. Conventional extraction of carotenoids and polyphenol...

Marine pollution with mineral oils has become a major problem due to the negative impact on the marine ecosystem. This threat is mainly caused by maritime transport which discharge the poly aromatic hydrocarbons known as polluting products into the sea through the bilge waters, or through cleaning operations of cargo tanks of chemical and petrochemical vessels, as well as because of naval accidents. Due to the high risks caused by the oil pollution, International Maritime Organization adopted Marpol 73/78, a speci...

The reprocessing of tailings is gaining importance both for economic and environmental reasons. In the case of abandoned mining waste disposals, the reprocessing of tailings constitutes an option that can be considered to fit the paradigms of the actual mineral industry challenges: circular economy and sustainability. The present study focuses on the tailings of an old embankment (Cabe?o do Pi?o) of the tungsten Panasqueira mine, in central Portugal. Although Panasqueira mine is still in operation today, it had it...

This work will deal with the use of various geophysical methods for exploration of the sliding area and the determination of the interface between the layers in the sliding area at the Bohu?ovice Quarry. For this purpose, light dynamic penetration will be carried out, which is a dynamic penetration test that is used in-situ to determine the soil resistance of penetration cone. A constant dynamic impact is used to constrain the cone, which is due to the free fall of the ram with known weight and constant fall heigh...

Satellite imagery with different spatial resolutions and global daily revisit time provide much information of earth surfaces on a large scale in a short time. Thereby it is necessary to determine the horizontal accuracy of the satellite imagery to enable the possibility of their future everyday use in different application fields like environmental assessment, urban monitoring, forestry management, etc. In this research multispectral (MS) imagery from PlanetScope (PS), RapidEye (RE) and WorldView-2 (WV2) satellit...

The research was made in the hilly area of Southwest Romania, on the territory of Caras Severin County. The researched area has a moderate continental temperate climate. According to Koppen, the climate is classified as c.f.b.x. The annual average temperature is 10.8°C and the annual average precipitation is 631 mm. The soil type on which the research was made is typical gleisoil with a pH value in water of 6.02 and a humus content of 2.56% [5]. The dolomite used in the research was chemically analyzed in Austria,...

This year, for the first time in Latvia, the government will adopt a set of standards that will regulate social entrepreneurship and its goals. Social entrepreneurship means balancing social goals and the commercial component for which money is not the direct goal but rather a means of achieving social goals. The social aspect should not only target the surrounding community, but also ensure responsible and correct treatment of employees. A leader in a social enterprise has to put an end to the controlling style o...