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This article presents the a comparison study between two enzymes: lipase and carboxylesterase, considering the influence on the rheological parameters of the dough obtained from wheat flour. For determining the activity of the enzymes, there were performed the following analysis: the determination of the fat content using Soxhlet method and the determination of rheological parameters of the dough using the alveographic method. The Soxhlet method is based on repeated extraction with ethyl ether or petroleum ether o...

This article presents the a comparison study between two enzymes: lipase and carboxylesterase, considering the influence on the rheological parameters of the dough obtained from wheat flour. For determining the activity of the enzymes, there were performed the following analysis: the determination of the fat content using Soxhlet method and the determination of rheological parameters of the dough using the alveographic method. The Soxhlet method is based on repeated extraction with ethyl ether or petroleum ether o...

The high level of environmental ?ontamination is a stress factor for plants, which causes an integrated nonspecific response aimed at the survival of biosystems due to the formation of protecting mechanisms. The effect of long-term chemical contamination of soils on the growth and structure of reed (Phragmites australis Cav.) roots and stems has been investigated. Soils and plants on monitoring plots in the zone of sediment ponds of chemical plants were studied. The area under study is located in the Severskii Don...

Sustainable Development Strategy is a policy established for the purpose of environmental protection. The strategy includes several policies which can be applied to designing, construction or building materials. The idea of performance concept states that one should optimize the amount of waste products in building materials. Such materials should meet all the requirements and standards, simultaneously being innovative and cost efficient. Waste products, acquire from various industrial process, must be properly di...

The current paper follows the climatic evolution of the main meteorological parameters in the area of the Nadlac locality, during the period 2015-2017, and, for the same period, we highlighted the way in which these meteorological factors influenced the productions of the main crops from the studied area. Analysis of the thermal regime for the three years under study highlighted a decrease in temperature, more pronounced during winter 2016/2017. During the summer period of the same time interval, no significant de...

The influence of fertilization with nitrogen (N) at doses of 40, 80, 120, 160 kg/ha and phosphorus (P) at doses of 40, 80, 120, 160 kg/ha was studied in a long-term experiment on a Haplic Phaeozems. The results obtained showed the following: the applied nitrogen doses did not significantly influence the humus content in the soil; simultaneous application of 80-160 kg/ha P and 40-160 kg/ha N generated distinctly and very significant increases in the hummus and total nitrogen content of the soil. Ammonium nitrate ca...

Among the key factors and the physical-geographical conditions of the environment in which plants grow and are harvested, the soil presents a major component, which has the role, on the one hand, of a complex indicator of the evolution of characteristics that determine the growth of plants and, on the other hand, of a depository of the influence of all other conditions and factors, faithfully and continuously recording all the phenomena occurred in a certain place and time. This is illustrated by the level of must...

Tunnel excavation in mountainous or sloping regions can reactivate or accelerate landslide phenomena. On its turn, tunnel excavation can be affected if it crosses weak rocks in landslide-prone areas. In the present study the interaction between tunnelling and slope stability is analysed in presence of Deep-Seated Gravitational Slope Deformation (DSGSD). At this aim a case study is considered, located in northern Italy (Central Alps), where a landslide has been reactivated along the border of a wide DSGSD, close to...

High level of mining in Polish copper mines, in the Legnica-Glogow Copper Belt (LGOM), caused an increasing amount of mining works to be carried out in difficult geological and mining conditions, for instance in the vicinity of remnants. Issues related to performing mining operations with the use of the room and pillar mining system in the vicinity of remnants is important in terms of work safety. Remnants are sites of the concentration of high stress values and may affect rock layers of the rock mass located in t...

The so-called Karolina area is situated very close to the center of Ostrava - the third largest city in the Czech Republic. It is an area of several hectares on the main entrance to the city center. Urbanistically, it is one of the most attractive areas of the city. Due to the industrial past of Ostrava, this area has long been used as a coking plant in the past. Upon completion, the objects became a full-fledged brownfield with all the negatives associated with this phenomenon, including the environmental burden....

Our investigation has been focused on establishing the slowing down plant growth at the border of polytunnels. In order to determine the limiting factors of plant growth, we have conducted studies on soil properties, entomofauna and soil mesofauna. The research has been carried out in several polytunnels located in North Eastern Romania (Bac?u, Ia?i, B?rlad, F?lticeni, H?rl?u, T?rgu Frumos, Matca-Tecuci) In the field were developed and characterized soil profiles and samples were taken to determine the states of c...

The main objective of the article was to assess the impact of the selected interpolation algorithm on the accuracy of parameter value estimation. The following interpolation methods were used: inverse distance to a power (ID), linear kriging (LK), ordinary kriging (OK), and more advanced geostatistical methods including Lognormal Kriging (LG) and Turning Bands Simulation (TBS). The contents of copper and lead were determined for the economic series of a part of the LGCD (the Lubin-G?og?w Copper District, Poland). ...

The welding characteristics of the welded joints are directly influenced by the thermal conditions applied during welding. At the same time, the welding type process influences the geometry of the welded seam, the nature and the extent of the structural transformations, the tensions and deformations level, as well as the values of the mechanical characteristics of the welded bead (yield strength, hardness, toughness etc.) The paper presents the experimental procedure, the results and the conclusions on the influen...

A new trend in concrete technology is to introduce photocatalytic concrete, also known as a self-cleaning concrete. This technology is based on the addition of TiO2 (titanium dioxide) to concrete mixes. Photocatalytic activity of TiO2 and its hydrophilic properties make it suitable for addition to building materials, particularly in architectural concrete or self-consolidating concrete. When concrete surface is exposed to the sunlight most pollutants are neutralized. In the present study the influence of addition ...

Grape juice consumption has increased significantly in recent years due to the beneficial health effects showed by products derived from grape. Grape juice is the unfermented drink obtained from simple must, sulfated or concentrated, from healthy, fresh and ripe grapes. When grape juice is processed with the aim of obtaining a shelf-stable product, its product shelf-life is determined by a best-before date, which is limited due to physical and (bio) chemical reactions. With the change of these properties, the micr...

Grape juice consumption has increased significantly in recent years due to the beneficial health effects showed by products derived from grape. Grape juice is the unfermented drink obtained from simple must, sulfated or concentrated, from healthy, fresh and ripe grapes. When grape juice is processed with the aim of obtaining a shelf-stable product, its product shelf-life is determined by a best-before date, which is limited due to physical and (bio) chemical reactions. With the change of these properties, the micr...

The coal samples were fractured by using high-energy solid fuel (propellants) in the lab rocket motor (LRM) adapted to investigate the impact of propellant gases pressure on rocks. The combustion of the propellant generates large quantities of gases at high pressure, which are able to produce a secondary system of fractures in the coal - potential pathways for methane migration. Values of pressure and time generated during combustion of propellants in the standard system of a laboratory rocket motor are controlled...

Biomass belongs among renewable energy sources and its representation in national energy strategies is increasing due to the limited supplies of fossil fuels. One of the options for substitution of fossil fuels is short rotation cropping systems for woody biomass as a method of reclamation and revitalization of anthropogenic soil profiles during restoration activities in the areas after brown coal mining. The scope of the project "Methodology of sustainable agricultural management in anthropogenic damaged landscap...

Poland?s forest cover accounts for 28.8% and is lower than the average for Europe, which is 32%. The first programme to increase the afforestation rate in Poland was developed in the year 1993 and was titled "The National Programme of Increasing Forest Cover". The document was a strategic study intended for use as an instrument of forest policy in the field of shaping the environmental space of the country. It contains general guidelines for drawing up regional spatial development plans in the scope of increasing ...

The article touches the problem of simulation of discrete systems, discusses the law of probability distribution, considers the probability of the distribution of the time interval between packets in computer networks. To create a model that takes into account the characteristics of traffic in a real system, the law of distribution of random variables is used. To obtain results close to the real system (minimum distortion is a goal), it is necessary that the initial data are comparable to the real ones, during the...

This study aimed to establish if the dried shredded leaves of Acer platanoides could represent an adequate food for earthworm Eisenia fetida (Savigny 1826) (red wiggler worm). The study was carried out in laboratory conditions and its aims were to determine the influence of this food on three biological parameters of earthworm Eisenia fetida (survival, weight, and prolificacy), and to reveal the changes appearing into the soil in the presence of this earthworm species, fed or not with shredded leaves of Acer plata...

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 placing engineering-technical objects lead to the necessity of the development and of the applying of the protective and of the preventive of measures in areas with increased geodynamics (karst, landslides, mudflows, etc.). One of the measures is the application of systems of the geodynamic control to prevent of the negative development of geodynamics. However, the development and the introduction of systems of this class are associated with the low methodological study of problems of the control of probabilis...

The Cu-Ag deposit exploited in the Lubin-G?og?w Copper district (LGCD) in Poland is located in the Permian Rotliegend (sandstones) and Zechstein (shale and carbonate rocks) formations. The three main lithological series are not internally homogenous; within them, a total of 16 individual lithological units can be determined. The differentiation between lithological, mineralogical and geometallurgical ore properties is a criterion used to distinguish between main and individual lithologies in the deposit area. A sy...

One of the ways to study the evolution of natural environment, in particular, the soil cover is a comprehensive study of soils buried under archaeological sites. Comparative analysis of the properties of paleosols buried in different historical epochs allows us to examine in detail the spatial and temporal dynamics of the natural environment and its components in time. The use of such comparative analysis is possible because the burial of soil under embankments of defensive ramparts, burial mounds and cultural lay...

The structure of the complex index of viability of CPE is proposed: the complex index of the viability of CPE is a vector whose components are partial indexes of CPE: the index of the condition of CPE; the index of structural varieties of CPE; the equivalent level of noise in CPE due to the movement of transport on the railway lines; concentration of metal salts in CPE; the level of radiation. It is proposed to investigate CPE with the help of a compartmental analysis, in this case, the degree of controllability a...

Advanced information technologies and electronics technologies lead the medical industry to a high-tech level. However, until now many tasks remain unresolved in the field of medicine and public health. The express diagnosis and the rehabilitation of the spine and musculoskeletal system is one of the actual tasks. Although there are currently diagnostic and rehabilitation systems of the spine, they are all far from perfect. This is due primarily to the lack of adequate models of areas of the nervous system and the...

Advanced information technologies and electronics technologies lead the medical industry to a high-tech level. However, until now many tasks remain unresolved in the field of medicine and public health. The express diagnosis and the rehabilitation of the spine and musculoskeletal system is one of the actual tasks. Although there are currently diagnostic and rehabilitation systems of the spine, they are all far from perfect. This is due primarily to the lack of adequate models of areas of the nervous system and the...

High-resolution remote sensing, be it satellite or aerial, it has become one of the main instruments for environmental monitoring. The paper present several studies on the satellite remote sensing applicability in the domain of the numerical modeling of the marine processes at regional scales, as well in the coastal areas with difficult accessibility, adjacent to the Danube Delta or maritime ports of the Wester Black Sea Basin. The in-situ data, as generally knows as field of data, involves different collection me...

The use of the remote sensing in order to monitor the morphological parameters of littoral beaches must generate the support data and information for management of concrete environmental assessment in different situations, including evolution of the hydrodynamic models?extensions for the adjacent areas of maritime or fluvial ports. The result of rapid Geo-referencing, encompassed in the spatial data processing providesthe support for an adequate spatial analysis of the high resolution coastal/marine imagery. The r...

The purpose of the researches undertaken finds it origin in the scientific and practical concerns regarding the accumulation of knowledge with regards to the characteristics of the natural frame and of the social-economical particularities as elements which define the structural frame in the waste management and of the possible pressures upon the quality of the environment. The importance of the subject tapped derives from the fact that besides the food, clothing and wood necessities, the natural environment (soil...

Hydrogeologists are interested in borders that separate the groundwater recharge, transit, discharge (RTD) areas. Unfortunately, no good method exists for finding them. In the course of using the hydrogeological model (HM) of Latvia (LAMO) scientists of Riga Technical University have developed the new method that generalizes the RTD concept and gives locations of the borders. LAMO is run by the commercial program Groundwater Vistas (GV). The GV program provides the velocities vz for the vertical and vx, vy for the...

Lasers are the most accurate measure of distance increment. Therefore, they are used to detect ultra-small oscillations of rock under the influence of tidal forces [1?6]. This allows identifying the accumulated tensions in the earth's crust. The change in the type of such fluctuations indicates the possibility of earthquakes in the near future, which allows reducing the damage from such catastrophic events, to save the lives of many people. Currently, such systems use frequency locking of two or more lasers to eac...

There is a close relationship between the soil characteristics and the parent material. Especially in arid and semi-arid regions where climate and vegetation cover are limited, soil properties are controlled by the parent material. Rock units which have different mineralogical, petrographical and geochemical features representing different parts of the ophiolitic sequence are widely seen in the vicinity of Kahramanmara? province. The ophiolite in the north of Kahramanmara? is generally represented by oceanic crust...

Because of the hydrocarbon reserves reducing from traditional reservoirs in Russia, much attention is paid now to unconventional resources, such as the Domanik oil shales of the Volga?Ural Basin. The Domanik deposits consist of siliceous-clay-carbonate rocks enriched with organic matter and other components of oil in the dispersed state. They are Middle Frasnian source rocks and have low porosity and permeability. Domanik shales contains many oil occurrences and rare fields, which is primarily explained by the abs...

In article, the methodology for organizing data collection from sensors of a multi-pole electrical installation intended for geoecological monitoring of coastal zones of karst lakes in the areas of hydrological discharge of the lake is considered. The study of the hydrogeological features of karst lakes is an important task of practical geoecology. Karst lakes have a significant impact on the development of destructive karst-suffusion processes, both locally and regionally level. For monitoring it is proposed to u...

Water can be found everywhere and plays an important role in human life and equilibrium of the environment. The agriculture, industry and urbanization have had and have a special impact on the biodiversity and water necessity. To establish the line at which a pressure is considered significant, meaning if due to this pressure the surface water do not reach ?good status? it will be made an analysis of pressure and impact on the recommendation of the Water Framework Directive and national methodologies, but taking i...

The paper addresses the main strategic benchmarks of the urban water supply and sanitation systems. The authors have studied the results of the biggest Russian urban water supply companies operation for the last three year period. The indicators that were considered: financial profits, investments, losses of water, the structure of costs etcetera. The results were compared with world level parameters. Many companies have really effective investment programs. This activity is related with, on one hand, the forthcom...

The increasing anthropogenic load has a large impact on the ecological state of the steppe landscape. In particular, the emissions from the automobile transport: heavy metals, oil products and complex organic substances inevitably pollute the territories along the roads. The presence of forest belts in the roadside landscape reduces the negative impact of the traffic flow. The assessment of the consequences of the anthropogenic impact presupposes studying the changes in the physical and chemical properties of the ...

The drip feed reactor system for continuous biosynthesis of bacterial cellulose with desired microfibril orientation is proposed. Native bacterial cellulose is obtained on the glucose media using symbiotic complex of yeast and bacteria A.xylinum. Micromorphological characteristics of the bacterial cellulose structure are visualized using SEM Sigma VP ZEISS scanning electron microscopy. The crystallinity degree of the specimens is calculated by new method using X-ray diffractometry (XRD-7000S diffractometer). The 2...

The Regulation Rules are an air protection device available to municipalities pursuant to Act No. 201/2012 Sb., on Air Protection (effective from 1 September 2012), which is based on EU requirements. It is a short-term device for dealing with smog situations, i.e. extreme conditions of high levels of air pollution, where the threshold values of selected pollutants are exceeded. The paper deals with the legislation on the Regulation Rules of municipality in the Czech Republic (the requirements for the issuing of th...

This study aims to highlight relations emerging between vegetal organisms and water factor. The water input in an ecosystem is realized mainly by: precipitations, water vapors from the atmosphere, fog, dew, underground water, snow melting, springs, river flooding, high flow. The water losses from the ecosystem come from evaporation, transpiration and infiltration down to depths inaccessible to plants. In delineating the relations emerging between plants and the water environment, the roots system has an important ...

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 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...

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...

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...

Design risk is an inherent element of construction works, and one of its sources is the spatial data quality. Cases of damage to underground pipes and cables are often the causes of accidents, delays or construction stoppages. One of the directions of research on this risk is fuzzy logic. Fuzzy logic is used to describe complex or poorly defined phenomena that are difficult to describe by using probabilistic methods. The paper presents the method of risk assessment of underground utility networks damage which is b...

The first part of the paper analyses the role of renewable resources in the production of electric and thermal energy in Romania. It was taken in consideration also the wood mass destined to heating the population, as a large number of households still use this fuel exclusively. Starting from the plough land and its associated production, there is the availability of agricultural biomass possible to use for energy production. The paper is concluded with the final considerations on the benefits of using biomass for...

The Homor?ciu River watershed is being a subject to complex phenomena of surface and gully erosion, fluvial erosion, as well as alteration of the vertical and horizontal route of Homor?ciu, generating landslides. The main purpose for which land improvement works were designed and executed in a torrential catchment was to ensure the stability of the slopes, so, to actually ensure the stability of the entire river basin. Through the execution of the soil erosion works on the torrential hydrographic formations it was...

For Romanian agriculture is essential to promote products based on natural extracts. Seaweeds extracts, humic acids, and other natural compounded often enhancing growth, development, abiotic stress tolerance or ability to tolerate plant disease. Many articles show results of using seaweed extracts as biostimulants to improve tolerance to drought or salinity. Most products are extracted from marine algae belonging to the Ascophyllum nodosum species. In our research, we tested the role of SuperFiftyВ® 0-0-8 in reduc...