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The study aims to present the interspecific relationships between fish and cormorants from Comana Pond and Putu-Greci ponds. Also, it is presented the dynamic of the ichtyofauna, during 2011-2017 years, in Comana Nature Park, on the watercourses of the Neajlov River, Comana Pond or Neajlov Delta, Gurbanu River and Putu-Greci Ponds. The Comana Pond, with area of 1200 hectares, in 2011 suffered a major intervention on the habitat characteristic of wetland, namely an ecological reconstruction, by constructing a low-r...

The decisive factor in the process of under pressure networks inspection is determined by the correct choice of the control method in order to observe with great attention the possible faults caused by the physical wear and tear resulting from the long use. Emphasis is placed on safety conditions of under pressure equipment, which include mandatory minimum technical requirements for periodic checking of under pressure networks for pressurized, liquefied or dissolved gas. Defectoscopy is a set of procedures used to...

Surface geochemical method is an important technique in petroleum exploration. The purpose of this method is to record and analyze the distribution of micro-concentration of gaseous hydrocarbons, which migrate from subsurface accumulations to the near-surface zone. The paper presents the results of surface geochemical survey carried out in the area of the Mo?odycz gas deposit of the Carpathian Foredeep. A soil-gas geochemical survey was carried out along the six sampling lines corresponding to the seismic section....

Nowadays, traditional residential houses are not built anymore, with few exceptions, although they represent valuable assets from the heritage point of view and also an important part in our cultural identity. In addition, they can be regarded as a seismically resilient typology and also as a cheap construction due to the use of local materials and especially of self-workmanship. The construction details of traditional houses used to be done very carefully, but this habit got lost with time. In recent years, due t...

Protecting human labors process seeks to eliminate and/or reduce the potential causes of injury and disease in order to achieve full control of risks from hazards associated. With all the technical progress and technology in most industries, and especially in the oil and natural gas, there are failures with casualty and property damage. For this reason, it is indispensable the presence of the special intervention and rescue teams to limit/ liquidation, failure that generates explosive atmosphere and/or toxic and r...

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...

The main purpose of this study is to highlight the actual state of energy production and consumption in Romania and to emphasize where there is potential for either reducing the greenhouse gas emissions by using more efficient heating and cooling systems for buildings or reducing the greenhouse gas emissions by using less fossil fuels and more renewable energy sources that can be tapped in Romania. In Romania despite a good thermal insulation degree for newly constructed buildings in the past 5-10 years there is s...

Since ancient times, the coastal areas were natural habitats that host a wide variety of fauna and flora species and which, from an anthropological point of view, are the most populated areas of the planet. At the same time, these areas, which include deltas, lagoons and marshlands, are particularly vulnerable to the effects of global change (climate modification, sea level rise and fluctuation of sediment input) that may be triggered by anthropogenic activities (global warming due to greenhouse gases produced dur...

Environmental monitoring systems in the cities existing in modern cities allow to control the state of natural (technogenic-natural) systems according to their programs. But it is not possible to receive an information for some special locations despite their significance ? this is a case of the RUDN-University campus. For these purposes an initiative group organized a special monitoring project for the campus. One part of these monitoring program is a control of the soil air quality. This is a one of the most rep...

Soil pollution with heavy metals is a major global environmental problem for many ecosystems. The exploitation and processing of non-ferrous ores are one of the most important anthropogenic sources of soils contamination with heavy metals. Romania is a rich country in mineral resources, therefore it has a long history of their exploitation. In this regard, there are several areas for the non-ferrous ores extraction, and one of them is located in the Metaliferi Mountains, where the tradition in gold, silver and oth...

Authors describe the novel approach to boost the scientific data analysis performance with the data-storing schema for distributed scientific research systems. This approach optimizes the workload on storage nodes and enhances the computation performance. Managing the enormous output of scientific research systems is expected to be the most technically difficult part of all recent projects producing Petabytes of imagery data. In this paper we describe the distributed storage structure with indexing techniques whic...

?Dimensioning all the elements in the urban layout should not be executed in any other way but that which is in accordance with human scale? [1], [2]. Evolution of the development of towns and cities resulted in the development of various models of spatial layout and the relations between urban units and human beings. Ancient and medieval towns demonstrated compact spatial arrangement, which resulted in generating shorter journeys and provision of security for the inhabitants. However, the very dense network of st...

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...

We deal with the target of our work that is to provide a general overview of the Slovak scene relating to the Startups. Our aim is to analyze the area of innovative entrepreneurship and start-ups in individual sectors of the Slovak economy (mining industry, renewable energy sources, tourism, etc.). It is necessary to state the reasons that lead to the development of startups and to analyze their impact on the economy of the national economy in terms of creating new jobs. We have explored successful and less succes...

The main objective of this paper was to assess the water quality in Siret, in the Galati area. Galati is a port town on the Danube River in south-eastern of Romania. For the purpose of carrying out these studies, water samples from ten Siret sites were taken. Water quality has been monitored between November 2016 and December 2017. Physical and chemical characteristics of water were performed. The PFP7 Flam Photometer was used for potassium and calcium ions determination. An UV-VIS Specord 210 Spectrophotometer wa...

The paper presents the impact of variable environment acidity and low temperature on the stability of biosensor receptor layer component BSA (Bovine Serum Albumin). With the use of UV/Vis spectrophotometer, absorption spectra in range (250-300nm) was taken to study conformational changes of the protein with time after exposition to different factors. The results showed an increase in absorption, associated with the conformational changes of BSA with time. A significant decrease in the absorption intensity was note...

The paper presents the impact of variable environment acidity and low temperature on the stability of biosensor receptor layer component BSA (Bovine Serum Albumin). With the use of UV/Vis spectrophotometer, absorption spectra in range (250-300nm) was taken to study conformational changes of the protein with time after exposition to different factors. The results showed an increase in absorption, associated with the conformational changes of BSA with time. A significant decrease in the absorption intensity was note...

In industrial plants many types of combustible dusts are generated, processed, handled and stored. When ignited, they can burn rapidly and with a considerable explosion force, when mixed with air in proper proportions. This is the reason why adequate precautions have to be adopted, to ensure that all equipment and protective systems are appropriately protected so that the security level from these installations to be high. The establishment and implementation of protection measures is primarily aimed at preventing...

The application of reactive materials in the form of a Deep Permeable Reactive Barrier during and after coal conversion constitutes an innovative concept of protecting the environment from georeactor influence. The reactive materials filling the post-process cavern will make it possible to remove or immobilise the gaseous and liquid contaminants that may be subject to leaching, while also reinforcing rock mass stability. The article pays particular attention to the technical and legal possibilities for reactive ma...

Sintioana, the component of the Sinmartin commune, Cluj County, it was necessary to execute operations at legal, economical and technical level. This operation was done successively on cadastral sectors. The present paper deals with the study of the technical operations necessary for the introduction of the real estate cadastre, as well as the achievement of the site and delimitation plans for each building in part, from four cadastral sectors of within the built-up area of Sintioana. In order to take over the tec...

The production of agricultural products in Russia is associated with complex natural and climatic conditions. Today up to 80% of the lands need irrigation. Therefore, the expansion of irrigated areas, improving the quality of their conditions, improving of the irrigation technologies and increasing of the production from the irrigated lands will allow not only to meet the needs of the country's population in agricultural products, but also to increase export of the country, to create of new jobs for the country po...

Nowadays, raised awareness about the importance of sustainability and also the environmental impact of using concrete in the construction industry has led to numerous studies on how to create an environmental friendly material, with self-cleaning properties and how to possibly use it in urban areas and to ensure a cleaner environment and reduce maintenance costs. Nitrogen oxide (NOx) is the air pollutant which is directly responsible for the air pollution due to smog, smoke, vehicle emission, etc. The self cleanin...

According to the Aridity Index (R), at the level of the Eastern Romanian Plain have been identified certain areas of aridity intensity, differentiated from the West to the East as a result of the degree of continentalism increasing, which also led to a specific geobotanic zoning (the forest area, the interference between the forest-steppe, ante-steppe and steppe). The degree of vegetation coverage is an objective indicator of susceptibility of soil and/or land to degradation processes, which are manifested on larg...

The purpose of this paper is to present traditional building concepts from the local seismic culture, with a seismically resilient typology: from timber structures to framed wall structures, timber frame structure with infilling materials etc. The structural shortcomings of masonry structural systems with one or two storey, which were observed at the incidence of intermediate Vrancea earthquake from the past, will be emphasized: some architectural and constructive elements that impose a good/poor behavior and type...

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...

The article is concerned with underground and pit water hydrodynamic regime during Shumicha deposit Kizel coal basin storage underground treatment and after closure and inundation of self-titled mine. On the area of the deposit a heavy fissured-karst water level of Visean and Serpukhov stages carbonate deposits, fissured-stratal water complex of Visean stage coal-bearing series and fissured-stratal and fissured-karst water complex of Tourian stage of the lower carboniferous are developed. In vivo rivers Kosva and ...

The development strategy in tourism industry requires a complexity of processes which claim the combination of the economical, social and environmental factors, concreted in medium and long term progress of the tourism society. Generally, sustainable development follows the performance on three levels - economic, by increasing the development degree and resources development, ecologically through recycling and avoiding environmental and social degradation by increasing the number of jobs, re-launching the traditio...

Development and consumption of frozen products is an aspect that is strongly related to nowadays consumers. These are considered less nutritious and less healthy than fresh ones due to processing, artificial ingredients and additives used for production. The paper focuses on the influence of frozen storage of bread dough enriched with lentil flour. The addition of lentil flour in different proportions (15% and 30%) was investigated in order to study the physicochemical and organoleptic effect concerning the obtain...

Development and consumption of frozen products is an aspect that is strongly related to nowadays consumers. These are considered less nutritious and less healthy than fresh ones due to processing, artificial ingredients and additives used for production. The paper focuses on the influence of frozen storage of bread dough enriched with lentil flour. The addition of lentil flour in different proportions (15% and 30%) was investigated in order to study the physicochemical and organoleptic effect concerning the obtain...

The purpose of this expertise is to evaluate by mathematical modeling the stability of the slag and ash deposit Compartment II Emergency Cicani, which will be carried out on the past site of the Cicani Mid-East compartment by elevation with a height of 3,0-3,5 m, up to + 178mdMN. The deposit will be made using the "thick slurry" technology, having as foundation the deposition of slag and ash existing in the Cicani Middle + East (existing) compartment, made by the hydraulic transport technology. The basses of the e...

The present paper focuses on describing the method of bringing dynamic space images of various celestial objects to the uniform reference system. This approach is designed to analyze coordinate and time parameters of cosmic bodies in various phase spaces.Based on this method, images of the Moon and stellar areas obtained with CCDmatrixes were studied. As a result, reducing the images to the single system achieved the accuracy between 0.05 and 0.11 arc seconds by declination and between 0.04 and 0.13 arc seconds by...

This paper presents a solution for the replacement of conventional fuels with biofuels in order to protect the environment. The proposed biofuel is formed of diesel and a certain amount of animal fats. Biodiesel is similar to diesel fuel but with small differences. The animal fat is the result of the skin processes in the leather industry. In this industry it represents a waste and it is not used. We can consider that the animal fats are a renewable biofuel source. The proposed fuel has the properties of a renewab...

It is important to control the social issues not only regarding the outside factors but also the inside ones ensuring a responsible attitude towards the employees and the environment. The purpose of this study is to analyze different points of view, namely, respondents as potential employees evaluate the working conditions in social enterprises that work in the social services industry, such as providing social services, education, supporting science, protecting and preserving the environment, protecting animals o...

The mouth areas of the seas are the most interesting and complex objects for studying the distribution of pollutant flows and the factors of their formation. Different approaches can be used to identify pollutant flows and the role of the geochemical barriers, in particular the analysis of the distribution of marker compounds that most clearly reflect the pollution levels themselves and possible sources of their entry into the components of the aquatic systems. Polycyclic aromatic hydrocarbons (PAHs) are considere...

The analysis of the productive landscape of Poieni and F?r??e?ti villages has been part of an extensive research of the cultural landscape of wooden orthodox churches in the ethnographic area of F?get, in Timi? County, Western part of Romania. The research was developed within the restoration project of the Saint Paraschieva church (1676), part of the national and universal heritage, located in Crivina de Sus village. This work aimed to answer the question ?what are the cultural assets of the Pietroasa commune, an...

The technology of cutting with a laser beam today is a widespread solution for thermally cuttable materials. In mechanical engineering laser technologies currently, belong among the most progressive ways how a person can act on materials within the production process. Machining and processing materials using a laser is based on the conversion of light energy into heat energy. According to the active environment, a distinction can be made between three basic types of lasers - gas, solid state and semiconducting. Th...

The technology of oxy-cutting is a widespread solution for thermally cuttable materials nowadays. This article discusses the use of oxy-cutting technology on CNC machines. This technology is particularly suitable for unalloyed and low-alloy steels and cast steels. With the help of this technology, it is possible to cut sheets ranging from 3 to 1000 mm. For sheets with a thickness of 20 mm it is preferable to use a laser or plasma technology. When cutting with an oxy-fuel the workpiece it is initially heated on the...

Building stone quarrying companies in the Republic of Karelia commonly have limited information on the geological structure of a deposit. They do not have their own geological survey, and this type of service is not yet properly offered in Karelia. When product quality problems arise, it is difficult to rapidly find the correct solution. The quality of raw materials at any quarrying stage can be analyzed using GIS applications at the initial stage of quarrying in order to collect and systematize information on the...

Spatial information became ordinary for everyday use hidden in different kinds of both paper and web maps, navigation, and map applications. People perceive more than 85% of the information by eyesight. Also, the majority of maps is produced for reading with eyes. Visually impaired including blind people perceive the world differently and have the insufficient amount of possible ways how to investigate the surroundings. Also, creating a particular map for blind people is conceptually different, more expensive and ...

The paper presents a mathematical model designed to calculate the depth of the rut formed by a small-sized skidder on soft soils. The model bases on scientific research in the theory of off-the-road locomotion, completed with the authors? own theoretical developments. The model uses deformation modulus and bearing capacity as integral characteristics of strength and deformability of the soil. Moreover, because the deformation modulus of soft soils has a low value and is comparable to the normal stresses, the model...

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...

Concrete production is closely connected with large energy costs and even larger emission of greenhouse gases. An ecologically sustainable and responsible approach is being adopted with respect to waste minimization and application of alternative materials in building construction, to improve sustainability through energy efficiency, reducing CO2 emissions, the cost of building and life-cycle maintenance. This paper is aimed at evaluation of relation between deleterious processes caused by bacteria influence on co...

Modern versions of the ASRM-2017 (Automated System for Robust Modeling) package provide a solution to a large range of problems associated with modeling surfaces and gravity fields of planets. However, their application requires creation of not only the global models but working models of the local surface areas as well. Currently, these regional geopotential models are in high demand in geology and oil exploration. To solve the problems of this kind, the special algorithms were created and implemented because the...

The bioconversion of plant raw materials into highly added value products, as well as the development of new products with advanced characteristics has a high priority for modern biotechnology in the Russian Federation. Deproteinized sunflower meal has been used as a source of carbohydrates and organic nitrogen for the yeast S. cerevisiae fermentation after subsequent acidic and enzymatic treatment. As a result a protein-rich yeast biomass was formed, as well as a liquid fraction, containing non-metabolized pentos...

The bioconversion of plant raw materials into highly added value products, as well as the development of new products with advanced characteristics has a high priority for modern biotechnology in the Russian Federation. Deproteinized sunflower meal has been used as a source of carbohydrates and organic nitrogen for the yeast S. cerevisiae fermentation after subsequent acidic and enzymatic treatment. As a result a protein-rich yeast biomass was formed, as well as a liquid fraction, containing non-metabolized pentos...

One of the reasons for spontaneous combustion of coal waste dumps is the air intake into the body of a dump. Despite the measures taken to isolate the bases and dump slopes, spontaneous combustion of dumps occur in many countries around the world. That breeds a hypothesis that spontaneous combustion process is facilitated by placement of a dump in the geodynamically active zone of the earth's crust. In geodynamically active zone, due to its high permeability, the interaction of the dumps with environment occurs. P...

Reliability of renewable energy generation forecast became particularly important since its share denotes a constant growth in the global energy mix and the uncertainty of supply continuity resulting from this rises. Given the numerous geographic and meteorological factors that greatly influence the results of a more general probabilistic determination, an accurate prospect is hardly possible when enlarging the territory or the time span. Moreover, power systems disturbances and load variation, also unpredictable,...

Annually natural resources are disappearing more and more, particularly it concerned forest resources. Furniture, houses, carpentry and etc. are made from wood. Scientists gradually try to find options for replacing forest resources, produce products from other materials, but forest areas are declining. every year. For conservation and rational forest usage, it is necessary to change needs for certain assortments and harvesting of natural wood in the future, and it will be achieved by forest consumption optimizati...

The article deals with a basic economic image of the inland company Severo?eskпїЅ doly a.s. from 2010 until 2014. It is a company producing most brown coal in the Czech Republic. An economic insight into the company reveals important information for investors, but also for employees themselves, eventually it provides suppliers and customers with many useful data. The article presents basic economic indicators within a chosen period, their development and overall evaluation. It is indeed the economic analysis of th...

The clay consists of the tiniest particles of soil, which have a considerable amount of physical and chemical activity with influence on water and nutrient cycles, observable over several scales. Therefore, the Global Soil Map Project (GSM) has included clay content among the key properties estimated across the world at 100 m resolution. Subsequently, in 2015 the Joint Research Centre (JRC) of the European Commission produced a clay content map of the soil uppermost layer (called пїЅtopsoilпїЅ), converging towards...