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The current stage in the development of the construction industry is associated with improving the consumer properties of composite materials, increasing their operational efficiency, increasing production volumes and service lives. One of the ways to solve the problem associated with increasing the durability and reliability of materials from plant raw materials is to create compositions based on the synthesis of ceramic materials with an ordered structure by mineralization of the wood matrix with sol-gel surface...

A comprehensive, three-year (2013 ? 2015) geochemical analysis of soils has been conducted within impact areas of the main Russian and Norwegian coal mining centers in Svalbard. This study was focused on identifying both natural and technogenic trace elements and rare earth elements within a variety of landscapes with location of emission sources and natural factors of contaminants' distribution having been taken into account. The concentrations of macro, micro elements, Trace Elements (TM) and Rare Earth Elements...

This paper presents a comparative analysis using Finite Element Method (F.E.M.) of the foundations with different shapes (cylindrical, truncated cone and hemispherical plate), placed on cohesionless soils with different compaction degrees. The comparison was performed function of the bearing capacity and of the states of stress and deformation that appear in the foundation ground for different load steps to which the foundations are subjected. The foundation systems studied in this paper consist in foundations rea...

Study case is river Maciovita, Caras Severin County. Sediment transport model is applicated different both in terms of time and space scale, study objectives, required accuracy, allocated resources, background of the study team etc. Sediment transport modelling, have necessity to know all characteristics of the sediment. Therefore, it is recommended to collect a number of bed sediment grap from geological study or from examples. These examples analyzed terms of grain size distribution. To solve theoretical problem...

Existing legal base regulating behaviour in common and professional ecological situations, problems of the law enforcement is investigated. Analysis of the results showed that ecologist-legal formation should be implemented on the basis of system approaches and multicompound model. Essential distinctions are revealed between the components of ecologist-legal erudition in different groups of trained. Correlation communications are investigated between different components of students' ecologist-legal erudition. The...

This paper presents the effect of fertilizers with nitrogen and phosphorus, applied both unilaterally and in different combinations, on the quality of wheat grains during the period 2014-2017. In this regard, the research was carried out on Ciprian wheat variety, created at SCDA Lovrin, in a long-term experience with fertilizers, founded in 1967. In addition to genetics, the climatic factor and the technological factor play a fundamental role for obtaining superior quality productions for winter wheat, to the deep...

The first results of using adaptive regression modeling (ARM-approach) in description of the latitude periodic change are analyzed. A multicomponent (polyharmonic) model of the latitude part observed dynamics containing between 14 and 21 harmonics requires interpretation and autoregressive forecasting of the 6th order providing high accuracy for the period of two years. This article provides the analysis, modeling, and forecasting of the latitude periodic change using the ?Automated System for Robust Modeling? (AS...

The Federal Law on Best Available Techniques (BAT) becomes the main instrument regulating pollutant emissions from Russian industrial installations. The Law was adopted in July 2014, following an extensive review of the current environmental legislation. The new Law aims to achieve a high level of environmental protection taken as a whole by reducing harmful industrial emissions through the application of BATs. Minimum 6,500 installations undertaking the industrial activities described as Category I (Integrated Po...

Methane and carbon dioxide are among the most active of greenhouse gases that contribute to climate change. Anthropogenic sources have a significant share of their emission into the atmosphere. One of the major sources of emissions of these gases can be exploration activity and operating oil&gas industry. It is associated with the possibility of uncontrolled migration of reservoir gases in the course of work consisting of geological exploration and recognition of hydrocarbon deposits by drilling. In connection wit...

Gas hydrates have been represented as a promise technology for many of applications, as gas mixtures separation, CO2 capture, transportation, and sequestration, transport and storage of methane, and seawater desalination. Reduction of onset temperature/time for hydrate formation and increasing the hydrate growth rate are very critical for these applications. In this study for the first time we want to introduce the application of gelatin as a cheap, biodegradable, sustainable and effective promoter for methane hyd...

Electric discharge technology (EDT) has ample opportunities in the field of geotechnical construction. It has a number of technological advantages. EDT bored piles have increased bearing capacity both for the soil and for the material due to the maximum inclusion of the surrounding soil in the combined action. Unlike other types of piles, the cross section of an EDT pile has additional areas of cementation and compaction. Due to these areas, specific bearing capacity for the soil of these piles exceeds the bearing...

The demand for rare earth elements (REEs) in the global economy has incentivised many researchers to search for alternative sources of those metals. For many years fly ashes have been the subject of such research, which indicate that they might be fit for REE recovery. One of the primary problems with recovering those metals from fly ashes faced by process engineers is the form in which they occur. As research shows, REEs occur in fly ashes in the glass and other mineral components (e.g. monazite, xenotime and oth...

The research analyses and evaluates changes of dendrometric indices of Scots pine (Pinus sylvestris L.) young growths over years, characterizes the impact of various factors on growth course. The investigation includes data of 84 sample plots arranged in western, central and eastern regions of Latvia. The established sample plots comprise forest compartments in Vacciniosa, Myrtillosa, Hylocomiosa, Vacciniosa mel. and Myrtillosa mel. site types. The data obtained in sample plots were collected in period between 201...

Mathematical determination of the course of the baseline is necessary to establish the external border of the territorial sea, which is the state border. Its determination mainly affects the defining of the range of sovereign rights of individual states. For Poland, the determination of the course of the territorial sea baseline can be considered in two main aspects: legal and measurement-related. This paper discusses the issue of preparing measurements of the baseline. It presents domestic and international regul...

The paper presents a study on the ecological recovery of a waste from the urban waste water treatment plant, respectively the sewage sludge. The use of sewage sludge, is made through its use in agriculture and forestry, through incineration with energy recovery, or co-incineration. According to EU legislation, sludge cannot be used in farming in raw form, so it must be treated before it is properly used. The paper presents an analysis of sludge samples from the decanters of the urban waste water treatment plant fr...

Avalanches are undesirable phenomena, represented by the sliding or floating on the slopes of mountains snow masses. The snow masses sometimes train in motion stones, rocks, and shrubs. The avalanches are dangerous because they do human victims. In Romanian mountains, avalanche victims are mostly tourists, skiers or climbers. Avalanches can also cause disasters, covering roads and blocking access to some localities, and last but not least, human victims. They are also the most unexpected and most spectacular aspec...

The article describes methodological approaches to calculation of ecology-economic index of the Russian Federation regions as an aggregated indicator of sustainable development. Calculation results of main quantity are presented. Ecology-economic index of Kursk region is made up of this quantity. Data analysis demonstrates that genuine savings of our region practically don't differ in size from gross savings of basic capital because the sum of indicator indexes is approximately equal. The indicator is compensated ...

Milk and dairy products are foods with significant nutritional influence in maintaining the health of the human condition. Modern medicine recommends for an adult a daily ration of at least 400 ml of milk or the equivalent of its derived forms. Sheep cheese, taken into study, is a product derived from sheep's milk, prepared according to the traditional recipes of hilly and alpine habitats of Banat, areas with tradition in the consumption and processing of sheep's milk. The quality of this basic product in the food...

The approach of Biotechnology Department of Mendeleev University of Chemical Technology of Russia covers integrated processing and the use of secondary by-products in nature-like technologies for bioconversion into highly added value products with unique properties for sustainable development of the planet and lowering the negative industrial effect. This paper presents a mathematical model and solution strategy of S. cerevisiae single cell protein accumulation in deproteinized sunflower meal hydrolysates. Differe...

The world leader artificial lifting method is sucker rod pumping when considering the lifted well?s number. However, those sucker rod pumped wells are mostly stripper wells. The optimal production of stripper wells is a key-question in the life of mature oil fields close to abandonment. Sucker rod pumping is a well-known technology however production optimization and continuous operation supervision are essential for the economical production. The economic considerations are more powerful limitation factors for st...

Mapping, assessment, protection and their introduction in thematic circuits are steps which, once completed, will turn the geomorphosites near Topli?a resort into benefits for tourism. Methodology consists in field research, inventorying and evaluating various geomorphosites, based on scientific and cultural values. Topli?a resort developed in the volcanic area of the Eastern Carpathians, at the entrance in Topli?a?Deda defile, underneath the volcanic calderas of the C?liman Mountains and the Northern Gurghiu Moun...

The first establishment of commercial highbush blueberry (Vaccinium corymbosum L.) plantings in Latvia were at the end of the 1990th on a few hectares. Since then, a remarkable growth has noticed and today the total cultivated area reaches 280 hectares. An increasing market demand for fresh and processed berries provides a future upward trend in the development of blueberry crop in Latvia. In general, blueberry is a highly specialized crop that has definite soil agrochemical and climatic requirements. There are tw...

To decrease the CO2 levels in the atmosphere without compromising with the electricity production and energy security two different issues have to be addressed ? replacement of the current use of fossil fuels with CO2-neutral fuels and increase in the efficiency of the existing processes for thermal conversion. Fluidized bed (FB) thermal conversion is usually considered as the most energy efficient choice when biomass and municipal solid waste are used as fuels. The bed material that is used commonly within FB boi...

Future 5G networks are expected to provide ubiquitous connectivity for extremely large number of devices with diverse characteristics in terms of storage, computing, network capacity and power supply. These networks will support an enormous myriad of services, application and business models with specific requirements for performance, reliability, and security. Network slicing can address the diverse requirements of diverse use cases by enabling network operators to create and deploy a number of virtualized networ...

The perforation channels are the only conduits between the reservoir in production and the producing well, so it is quite obvious that their parameters seriously affect the productivity. Under this highly volatile oil price environment aiming for the best productivity has the highest priority. For this reason, the need for understanding the effect of the perforation parameters on the inflow is urgent. In the previous years, Pasztor has proposed a new concept to calculate the pressure drop caused by the perforation...

Doctrine, legislation and jurisprudence have importance in defining typologies of biodiversity bioresources. Matters of doctrine mainly concern to philosophy of life and the complexity hypothesis practical-theoretical in the current global geopolitical order. Legislation and jurisprudence must be built on the basic of relevant conclusions of specialists in gender diversity of Earth's ecosystems bioresources. This paper will analyze the current and future opportunities for bioresources at the confluence with the le...

Zarechensk barite-polymetallic deposit is located in the northwest part of Ore Altai megatrough, which has long-lasting history of its development and complicated geological structure. Within the ore district, which is the northwest part of the devonian Zmeinogorsk-Bystrushinsky trough, ore mineralization is associated with the system of northwest border faults and cross branch faults. At these deposit four main stages and five phases of minerogenesis were determined. The first stage is the stage of oregenesis beg...

Ionosphere is one of the most important sources of the errors in positioning of the Global Navigation Satellite System (GNSS), navigation and time. The standard methodology for estimating the state of the ionosphere (total electron content - TEC) that uses terrestrial or space receivers, which can effectively process the signals from the GNSS-satellites using the synchronous observations by the carrier phase and group delay, does not depend on pseudo-distances, a priori values or other external information. The on...

Experience has shown that all buildings and constructions are subject to displacements and deformations. There are no absolutely stationary and non-deformable constructions. Deformations are also caused by variable loads acting on the construction. For example, loads caused by wind, solar radiation, vibrations from machines during operation, seismic stress and others. The area in which the tallest building in Romania, i.e. the 351.5 m smoke chimney in Baia-Mare, is located has a very low seismic activity. In these...

The paper focuses on the results of the research study of the must and wine of the Georgian, aboriginal, rare variety of grapevine called "Khikhvi". The naturally and artificially (IR) fermented chacha was used in the experiment. The objective of artificial fermentation was to shorten the prolonged fermentation time of the freshly pressed chacha. This excludes the activation of acetic acid bacteria in the chacha under the influence of air oxygen. A rapid redox occurs in the liquid in short period by infrared irrad...

Carbonate reservoirs are important exploration targets from the perspective of hydrocarbon and, also, groundwater reserves. In this respect, the most important aquifer system in Romania is located in South Dobrogea region, comprising two distinct aquifer complexes: a deeper one, mostly under pressure, hosted in fractured/fissured and karstified limestones and dolomites of Late Jurassic - Early Cretaceous age and a shallower one, mostly unconfined, hosted in Sarmatian (late Middle Miocene) lumachellic and oolitic l...

Many of the most challenging bioethical questions of our time address interactions between human health and the environment. In the past few decades awareness of the damaging effects of environmental pollution on human beings and their quality of life has increased dramatically. We have a fundamental right to breathe clean air, drink clean water and eat safe food. The idea of environmental human rights is receiving growing attention worldwide, driven by our global ecological crisis. The purpose of this thesis is t...

Obtaining more data on coalbeds in advance will presumably enhance the whole coal production process. Therefore, there is a need to employ a method of mechanical logging, which is able to provide data on coalbeds, including such parameters as coal seems thickness, depth of a coal seam?s roof, and coal ash content. Since drilling and blasting operations are inevitably used to burst overburden rocks, it would be much more efficient to employ them in extensive and accelerated data extraction. In some cases, the dista...

Many industrial applications need different approaches of the problematic of determination of distance in gas environment with different gas concentrations. Due to the technological limitations caused by environment conditions like temperature, pressure, corrosive factors, there is a narrowing of the range of sensor types capable of measuring in specific circumstances of a certain industrial process. In this paper we propose a technical solution with a high potential of providing the necessary information in real ...

Glass and ceramic industries fall into the category of energy-intensive emitting combustion gases and particulate matter to the air and considered as Integrated Pollution Prevention and Control installations both in the European Union and Russia. Since early 2000s, traditional sub-sectors including tile and brick manufacturing have been participating in a number of pilot projects intended to assess their environmental performance and energy efficiency evaluate opportunities for implementing Best Available Techniqu...

Actual tasks in development, configuration, utilisation and support of complex technical, economic and natural systems require a deep understanding of its internal processes. System dynamics discipline is devoted to that problem and let to researching and analysis the complex systems behaviour. The base of it is a numerical method for dynamic system modelling. Modelling processes for real systems require significant computational resources (time and power consumption). Authors provide the approach to the optimisat...

In the eastern area of Romania, a hill area and a plateau, there is a very large number of small dams. These were an average age of about 40 years and were made from local materials. In the period between their implementation and 1989, these accumulations were centrally managed by local governments. Generally, these accumulations were used for irrigation, fish farming, and in secondary, they had the role of mitigating the flood waves. The fact that the accumulations were exploited by the local administrations allo...

The purpose of this work was to reconstruct the paleoenvironmental conditions for the time interval of the construction of a large kurgan in the Krasnodar Oblast, Russia. The investigated kurgan 1 in the Beysuzhek-9 kurgan group was located on the high floodplain of the Levyi Beysuzhek River among the agricultural fields. In the kurgan, three different mounds were singled out. According to archaeological data, the first and second mounds in the kurgan was built by representatives of the Novotitor culture at the en...

A model of traffic dynamics of the University server node is described, interpretation of the proper model components is carried out, and the interval of a satisfactory forecast is estimated. Currently, corporate computer networks play an important role for the successful functioning of various organizations. Herewith, the number of each network users gradually increases, which contributes to an increase in the circulating information content and, accordingly, worsening the quality of network services. To date, li...

The paper presents the results obtained in the artificial reproduction of carp breeds (Cyprinus carpio): Frasinet, Ineu and Ropsa between 2015 and 2017. Carp used in artificial breeding experiments (body weight 4,5 - 8,0 kg / ex., 4-7 years old) were raised in the ponds within the experimental base of the Fish Culture Research and Development Station Nucet, Romania. For the induction of maturation and ovulation the carp pituitary extract (CPE) and Nerestin 6A were used. The carp pituitary extract (CPE) was given i...

The wind energy is a modern and efficient solution that uses the air flow through wind turbines to mechanically power generators for electric power production, being an alternative to burning fossil fuels. Wind power is renewable, widely distributed, produces no greenhouse gas emissions, consumes no water and uses small land areas. A wind turbine converts the kinetic energy of the wind into electrical energy. The electrical power generator and the steel upper structure of a wind turbine are equipments where were i...

The present paper aims to present the concept of the decentralization of pre-university education in the current context as well as how the benefits of the PISA tests can be capitalized by changing the teaching mode, by adopting the creative and personalized teaching model used by the Scandinavian countries. The decentralization of the pre-university education is the transfer of the authority, responsibility, and resources regarding the decision-making and the general and financial management towards the education...

The preparation of competent specialists in higher educational institutions who have abilities for self-fulfillment and self-actualization in their professional activities and who are combining both personal and professional significant qualities is a strategic goal of the contemporary higher education. Today the problem of design and elaboration of the adaptive educational system is conditioned by the need to optimize and adjust the principles of traditional didactics to the challenges of contemporary information...

This paper deals with alternative options for the recovery of ash from metallurgical production, which is considered to be waste generated by the above-mentioned production process and is currently being disposed of by landfilling. It is precisely the recovery of such waste that contributes to the sustainable development of the environment, to the increase of the metallurgical business itself and thus to the preservation of its competitiveness. Based on quantitative and qualitative analyzes of the ash produced, it...

One of the ways to maintain the normal gastrointestinal tract microflora of poultry is to use prebiotic supplements in their feed. Among the prebiotics used in poultry farming, there are additives based on mannooligosaccharides from the cell walls of the yeast Saccharomyces cerevisiae. There are no similar domestic prebiotic drugs available, which determines the necessity and relevance of their development. For the production of mannose-containing hydrolysates, there was studied the process of hydrolysis of mannan...

In mayonnaise formulation various types of oil (sunflower, rice and olive oil) were preliminary used. In the production of low fat mayonnaise, the most sensorially acceptable oils were used. Low fat (LF) mayonnaise was produced at different levels of oil with different types (xanthan gum, XG; agar, A; and a combination of XG and A, 1:1) and levels (0.00, 0.20, 0.40, 0.60, 0.80 and 1.00%) of hydrocolloid gums. All samples were compared to traditional full fat (FF) mayonnaise. The most sensorially acceptable oils we...

Carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) are the most important anthropogenic greenhouse gases and their concentrations are continuously increasing. Some scientists consider that water vapor is more an enhancer than a greenhouse gas by itself, even though its concentration in the atmosphere is much higher than those of the other 3 GHGs listed above. But it is not only the concentration of a GHG that counts, but also its percentage of absorption and reemission of infrared radiation, namely its gl...

The use of the borehole camera when observing the blasting results in clay soils provides accurate data on the effects. For this purpose, GNSS, Heavy Duty GeoVision borehole camera, and laser (EDS-C) integration were used. The spherical cavity formed after the detonation of the explosive charge in the bottom of the borehole was measured with the aid of a borehole camera and a laser system. The measurement data obtained was used to determine the coordinates of the boreholes at a certain depth of recording based on ...

To protect plants from harmful activity of pests and diseases, more attention should be paid to development and establishment of environmentally friendly regulation actions. Conifer trees produce a wide variety of compounds, such as terpenoids and phenolics. Several studies on coniferous components fungicidal and insecticidal activity are known Since 2010, LU Institute of Biology in cooperation with Latvian Forest Research Institute ?Silava? are working on the development of new environmentally friendly plant prot...

The foundation of buildings is one of the basic tools of a landscape design. In the interests of today's society is to use abandoned areas, buildings, industrial sites also known as brownfields are used for re-use and to prevent the creation of new territories, for the purpose of foundation engineering. In these cases, it is important to know not only the overall character of the solution site but also the geological subsoil, which significantly influences the proposed building - technical solution. For this reaso...