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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 research focuses on the potential of topographic elevations by means of aerial scanning with the help of drones, as an alternative for creating and completing the existing map database necessary for works in almost all fields of activity that concern the national economy. Research objectives are geared towards developing methodologies that use digital systems and geospatial data to update, complete and store the information needed for thematic mapmaking and identifying the most appropriate geospatial technolog...

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 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...

Production and consumption of electricity is, in contemporary society, the significant technical indices and social level you have reached. The use of electricity involves electric power systems (ESS), representing the large technical systems, which shall incorporate the Assembly plants for the production, transportation, distribution and consumption of electricity. Within the framework of the ESS are retrieved hydroelectric power plants (CHE), which represents about 25 percent of the installed power in power stat...

It often happens that wheat flour does not have the proper physical, biochemical and technological properties for bakery, biscuits, pasta, etc. or to be nutritionally inappropriate. This occurs when the biochemical composition is unbalanced. Because the structure and quality of the bread is based on the gluten skeleton, the variation in gluten content will obviously influence the quality of the bread. Also, gliadin / glutenin gluten ratio, which influences dough elasticity, extensibility and flour ability to retai...

It often happens that wheat flour does not have the proper physical, biochemical and technological properties for bakery, biscuits, pasta, etc. or to be nutritionally inappropriate. This occurs when the biochemical composition is unbalanced. Because the structure and quality of the bread is based on the gluten skeleton, the variation in gluten content will obviously influence the quality of the bread. Also, gliadin / glutenin gluten ratio, which influences dough elasticity, extensibility and flour ability to retai...

The base of the Northern Bohemian region is made up of the kratogen (old block) of the ?Bohemian Massif? that belongs to the so-called Hercynian (Variscan) province. Its development was tectonically terminated by hercynian orogenesis, which means by orogeny in the Palaeozoic Era (Carbon). Such regions are not very promising for the occurrence of geothermal energy, unlike geologically younger areas. But the heat flow is significant in some parts and consequently the area is called the ?Czech geothermal heat flow an...

Wood waste is a very important group of waste, interesting for its potential in material recycling as well as energy recovery. In this large quantitatively and varied qualitatively group of waste, two main types of waste are distinguished: wooden waste and post-consumer wood. The analysis of suitability of post-consumer wood for thermal conversion covered selected wood waste: boxed wood furniture made of wood-based panels and internal door waste, made of MDF. Wastes were not contaminated with chemicals pollutants,...

The paper presents the results of the experiments conducted to study the effect of stimulating maturation and ovulation with different types of hormones on the main parameters characterizing the artificial reproduction process of Silurus glanis L. European catfish used in artificial breeding experiments (body weight = 4.0 - 10.0 kg / ex., age 5-8 years) were raised in ponds within the experimental base of the Fish Culture Research and Development Station Nucet, Romania. For induction of maturation and ovulation, c...

The paper presents the results of the experiments conducted to study the effect of stimulating maturation and ovulation with different types of hormones on the main parameters characterizing the artificial reproduction process of Silurus glanis L. European catfish used in artificial breeding experiments (body weight = 4.0 - 10.0 kg / ex., age 5-8 years) were raised in ponds within the experimental base of the Fish Culture Research and Development Station Nucet, Romania. For induction of maturation and ovulation, c...

Land degradation processes facilitated by geomorphological changes in the Berbe?ti Mining Basin contribute to highlighting the mining anthropic landscape, so the relief changes its morphological configuration. During morphological exploitation, the morphological alteration reaches a maximum value, being dependent on the exploitation and construction phase of the tailings dumps. Morphological alteration is closely related to the location of the quarries and the morphology of the surrounding areas. In the case of th...

The paper presents elements of great interest of some researches referring to strategies and processes to reduce the level of alcohol in wine. In recent years, various methods of reducing the alcoholic concentration of wines have been developed, methods like improved technologies of grapes growing, and also developing new ways of removing alcohol from wine. When selecting the method of correcting the alcohol level there must be analyzed various factors such as: the type of wine, the amount of wine produced, the co...

The paper presents elements of great interest of some researches referring to strategies and processes to reduce the level of alcohol in wine. In recent years, various methods of reducing the alcoholic concentration of wines have been developed, methods like improved technologies of grapes growing, and also developing new ways of removing alcohol from wine. When selecting the method of correcting the alcohol level there must be analyzed various factors such as: the type of wine, the amount of wine produced, the co...

In order to carry out the lignite extraction activity, the quarries in Oltenia basin occupy land areas, which before the exploitation had another destination. From the researches carried out it was found that the most occupied areas are the woodlands. The most affected will be M?t?sari locality with the neighboring villages (Br?det, Runcurel, M?t?sari, Croici), of which 341 households (274 households from Runcurelu village, 60 households from the village of Croici, 5 houses from M?t?sari and 2 households from Br?d...

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...

The researches have emphasized that on the improved sandy soils the maize yields (the average of fertilizer rates) is higher when the corn is cropped within a crop rotation than in monoculture (table 1, figure 1). The applying of nitrogen fertilizers on improved sandy soil, along with phosphorus ones is an endorsed measure for increasing maize yield (table 2, figure 2). The influence of crop rotation and fertilizer applying has recorded high yield outputs with all experimented crop rotations as compared with the m...

Methane gas, one of the underground mine atmosphere, is the main hazard for the workers in this field. The risk of occurrence of an explosive atmosphere and the consequences are different from one mine to another, based on the mine type, its configuration, the extracted coal and the probability of the methane and coal dust occurrence. With every prevention measure taken, the potential risk of an explosion cannot be excluded from the firedamp mines, just reduced as much as possible. The controlled researches regard...

Klebsiella pneumoniae and Acinetobacter spp. strains are opportunistic pathogens frequently involved in the etiology of nosocomial infections in immunocompromised patients. A major factor amplifying the risk of these infections is prolonged period of hospitalised patients, especially in intensive care units. Statistically, the strains belonging to the Enterobacteriaceae family and those of the Acinetobacter spp. are ranked the first and respectively, the second among Gram negative bacilli, whose incidence has incr...

Klebsiella pneumoniae and Acinetobacter spp. strains are opportunistic pathogens frequently involved in the etiology of nosocomial infections in immunocompromised patients. A major factor amplifying the risk of these infections is prolonged period of hospitalised patients, especially in intensive care units. Statistically, the strains belonging to the Enterobacteriaceae family and those of the Acinetobacter spp. are ranked the first and respectively, the second among Gram negative bacilli, whose incidence has incr...

The paper deals with the damage of the concrete surface by defreezing chemical agents. The first part of research is oriented to composition, design of concrete and test of fresh (slump test, bulk density of fresh concrete) and hardened concrete (compressive strength, bulk density of hardened concrete). The second part is oriented to test of concrete surface resistance against the effect of defreezing chemical substances. Two protective coatings were used. Tests were performed on samples without coating and on sam...

A significant part of Russian regions is resource-based and specializes in the extraction and export of natural resources. The paper aims to identify the link between the presence of natural resources in the region and its economic growth, especially in the period of low oil prices. The methodological toolset includes elements of cluster and regression analysis, as well as the method of smart specialization. The allocation of resource regions was carried out through cluster analysis. Regression analysis was applie...

At the present time, the widespread introduction of cost-effective production of a method for processing pressure in the solid phase of polymeric materials is hampered by the fact that despite the possibility of improving the strength and a number of technological characteristics of materials, high residual orientational stresses are created in the products, which over time (or when heated), lead to a change in the geometric shape and dimensions of the product. In this connection, it is promising to use the stage ...

Critical metals are those metals considered to be of fundamental importance for high-level industrial development. The definition of criticality derives, on the one hand, from the concentration of raw material sources in certain geographic areas, and on the other hand, the impossibility of replacing them with similar materials in the production processes. For a good management of raw material resources in general, and critical metals in particular, it is necessary to establish an eco-efficient strategy, to reinven...

Humates are substances possessing high physiological activity, contributing to the photosynthetic yield in plants and having no carcinogenicity or mutagenicity. It is the combination of these unique properties that makes humates promising plant growth and development stimulators. Within the framework of the present investigation the efficiency of application of two humate products has been assessed, and a comparative analysis of their influence on the growth and development of agricultural crops has been carried o...

The growing content delivery traffic becomes a challenge for efficient usage of network resources. Optimal utilization of scarce radio resources may be achieved by deployment of cloud capabilities in the radio access network i.e. by deployment of Multi-access Edge Computing (MEC). In this paper, we propose RESTful application programming interfaces (API) that enable third party MEC applications to send messages to end user devices in a specific geographical area. Using the API, an authorized mobile edge applicatio...

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....

Lonicera japonica is a climbing plant which can grow up to 10 m in length; the young stems are often hairy, while mature stems display a brownish bark and are empty on the inside, the leafs are oval and long, the flowers are known for their appealing perfume, white and yellow in colour, and the fruit is small and black. It is a persistent climbing plant, which offers an impressive bouquet of colour, flowers and an inviting perfume, which made it famous in our country as well as abroad. During the study, two rootin...

Lonicera japonica is a climbing plant which can grow up to 10 m in length; the young stems are often hairy, while mature stems display a brownish bark and are empty on the inside, the leafs are oval and long, the flowers are known for their appealing perfume, white and yellow in colour, and the fruit is small and black. It is a persistent climbing plant, which offers an impressive bouquet of colour, flowers and an inviting perfume, which made it famous in our country as well as abroad. During the study, two rootin...

In this article, mathematical and full-scale modeling of the application of the resistive control method based on the phase-metric principle of the controlling of the growth of suffosion processes is considered. The causes and stages of the growth of suffosion processes are given. Modeling of suffosion processes is carried out on the basis of the geoelectrical model of a spherical cavity of a covered thickness of soil sediments. The description is given of the experimental setup for modeling the suffosion processe...

Campsis radicans is part of the Bignoniaceae family and has the appearance of a deciduous vine almost always green. It can reach up to 12 m in length, its leaves are a shiny, dark green and its flowers display a yellow ? orange colour, sometimes tending towards red, with a tubular form, 8 cm long and approximately 4 cm wide. During the experiment, we monitored the influence of cutting length on the cutting rooting rate, the main purpose being the analysis of the influence of the three experimental factors (sublaye...

Campsis radicans is part of the Bignoniaceae family and has the appearance of a deciduous vine almost always green. It can reach up to 12 m in length, its leaves are a shiny, dark green and its flowers display a yellow ? orange colour, sometimes tending towards red, with a tubular form, 8 cm long and approximately 4 cm wide. During the experiment, we monitored the influence of cutting length on the cutting rooting rate, the main purpose being the analysis of the influence of the three experimental factors (sublaye...

The polymers performance in membrane technology provide a stable and very high level of pollutant removal. The selection capacity and low cost of the polymeric membrane technology are important factors in wastewater treatment applications. Four membranes from polysulfone with different concentration blend in N-Methyl-2- pyrrolidone were obtained by phase inversion method in our laboratory. The membrane performances were characterized by flux rejection, relative flux, retention capacity and morphology. The surface ...

A retrospective monitoring of the land use change in the bottoms of mesodepressions in the Azov District of the Rostov Region in the period from 2014 to 1968 was performed. A cartographic analysis of the changes in soil overmoistening in closed mesodepressions by its indication based on changes in the land use reflected on remote sensing materials was made. The research was carried out within the framework of the problem-oriented system of retrospective soil and land cover monitoring. They revealed that the curren...

Heavy metals ions can be removed from industrial wastewaters by numerous methods, such are precipitation, electrolysis, electrodyalisis etc. Sorption, i.e. adherence of a dissolved specie on solid sorbent, may be a cost-effective alternative to these conventional methods, in case a low-cost material is used as sorbent. Heavy metals are well sorbed by zeolites, clay minerals, char coal, carbon nanomaterials or numerous biopolymers. In this research, waste ceramic was used as sorbent for heavy metals (Cu, Pb, Zn). T...

Fractal geometry in recent years became a useful tool used in many scientific fields. One of the directions of development of that tool was also an attempt as using it for describing the morphology and granulometry of solid phase contained in various suspensions. While monofractals are used primarily to describe the space occupied, multifractals can be used to describe entire sets of data. (The set of data could be: various data series, distributions of physical quantities (such as, for example, particle size dist...

The concepts of danger, uncertainty and risk are often used intuitively and inaccurately not only in common language but also in the media where it is unfortunately commonplace and last but not least in scientific circles. The clan defines uncertainty, danger and risk, and graphically visualises the aspects it encompasses. The graph is defined by two dimensions, namely probability and objectivity. The notion of danger is the least unequivocal. This is an object property that is a threat. Uncertainty was mathematic...

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...

Explosive risk occurs in all activities involving flammable substances in the form of gases, vapors, mists or dusts which, in mixture with air, can generate an explosive atmosphere. As explosions can cause human losses and huge material damage, the assessment of the explosion risk and the establishment of appropriate measures to reduce it to acceptable levels according to the standards and standards in force is of particular importance for the safety and health of people and goods.There is no yet a recognized meth...

In connection with the production and distribution of drinking water it is necessary to take into consideration the possibility of an emergency, which in this concept means undesirable effects of forces and phenomena endangering human health, property, goods, and, last but not least, also the environment. These are natural hazards and anthropogenic hazards or their combination. It is therefore necessary to eliminate at least partially these hazards and minimize their adverse effects. To eliminate hazards, a risk a...

Modern socio-economic systems, as objects of management, are complex spatially distributed systems and territories, which indicates the need to develop and apply geo-information management. Natural, man-made and social processes of territory development unfold in time and in space and are characterized by a variety of parameters described by a random vector. The components of the natural and climatic potential are random non-stationary processes, the study of which leads to the necessity of forming, according to t...

The system of training people in the area of population protection and crisis management consists of two basic levels of education. The first level includes professional qualification education through the acquisition of a qualification or higher qualification of higher professional education, higher education in a bachelor or master study program or in higher study programs. Second level focus on further vocational education is intended for target groups of workers with a focus on the deepening of the skills requ...

The paper presents the hazards related to invasive plant species in the area of the Mszana community, located in the Silesian Voivodeship in southern Poland. The community is of an industrial-agricultural nature. Its surface area is approx. 31.3 km?. Settlements are focused along the main roads and transportation routes. Influence of mining activity is clearly visible in the area in the form of coal waste dumping grounds, subsidence troughs and fens. Approx. 70% of its surface is occupied by arable lands, while 7%...

Many cities in Slovakia are built alongside rivers and the socioeconomic use of rivers is reflected in their urban fabric. Rivers, as sources of water, energy and as sewage effluents, have been used for production purposes and have been surrounded by industrial areas, which today often lose their functions. Brownfields, abandoned and derelict, unused and underused sites along the watercourses, become today areas of urban revitalization and redevelopment. We have explored the spatial, architectural and urban planni...

From the glacial deposits moraines are the most heterogeneous and complex. Moraine - complex bodies, consisting of fragments, previously carried along by a glacier and normally consist of somewhat rounded particles ranging in size from large boulders to minute glacial flour. The article studies the difference in moraine composition in Central Karelia and the Murmansk region. The complexity of moraine development with the help of construction equipment for the purposes of road construction is considered. The first ...

Until now, in Romania, approaches to noise and air pollution are strictly different. For example, the noise pollution assessment by mathematical modeling is the approach by law. This is valid both in the preliminary stage of noise mapping and at the final stage of the action plan of noise abatement measures applicable according the Directive 2002/49 /EU [1]. For air quality assessment, a different approach is legislated. In this case, a monitoring -based analysis of indices the specified is carried out and the act...

A wireless system of continuous monitoring of pressure in a leg mounted in a powered roof support was designed in order to ensure the continuity of longwall coal mining process. Wireless multi-channel signal transmission in the longwall was applied for the first time. The extension of the power cell enabled maintenance-free use of the system and ensured comprehensive control of the support. The presented system monitors the pressure value in the spaces under the leg?s piston mounted in a powered roof support as we...

Fuel and energy management and related energy security are key issues for every country. The selection of energy sources used by individual countries depends on the possessed resources of energy raw materials, the economic position and, to an increasing extent, the approach to environmental protection. These factors shape the so-called energy policy of a given country. In the case of Poland, this policy is based on conventional energy sources. The main energy resource of the country is hard coal, the extraction of...

The main aim of our paper is to analyze and make proposals on the effective management of individual items that have a significant impact on elimination of industrial risks. Attention is paid to the issue of management of industrial risks in the industrial enterprises in Slovakia. To obtain the necessary data, we draw information from internal materials of enterprises. For management, it is important to know what risks it could negatively affect them. Identification, quantification of impacts and subsequent propos...

Cultural buildings constitute a measure of attractiveness and potential in terms of tourism, as well as concerning being places of residence in European cities. When discussing the material value of cultural buildings we can assume that modern buildings, similarly to the greatest historical monuments of cities, can charm and delight visitors, in addition to constituting a driving force behind the economy. The perfect research criterion concerning the role of cultural buildings in the city, however, are the intangi...