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Substrate, organic matter content, land use and cover may strongly affect soil properties having effect on soil water regulation services in ecosystems. Soil water holding capacity is function of specific physical, chemical, and biological soil parameters. The aim of this research was to understand the risks posed to soils and their water-holding capacities, in the face of changes in land use, land management and vegetation cover. This study was conducted in 2015, at two study sites, Tajov (TA on Haplic Cambisol) ...

Up to 50% of arable land is threatened by water erosion in the Czech Republic. Annually, water erosion causes billions of dollars of damage. It is especially reflected in the reduction in value of agricultural land and yield of the erosion damaged soil. In erosion affected areas, the soil is washed off and depleted of the finest particles binding nutrients and contributing to the formation of humus. In our study, we include five effects of water erosion on the content and quality of humus in chernozem, in topsoil,...

Assessment of economic efficiency of transport infrastructure projects also includes impact of these projects on the environment. This paper focuses on the effects of exogenous costs associated with removing/reducing negative externalities such as traffic noise or exhaust fumes from cars. These effects are evaluated by using Cost Benefit Analysis according to their influence on the beneficiaries. The presented analysis has been performed on the sample of 47 Czech large-scale transport infrastructure projects proce...

The influence of seven years of using the direct seeding technology on the eco-biological properties of black soils in the Rostov region has been comparatively studied. These soils are found in vast areas of the South of Russia, and are the most productive arable soils. Seasonal comprehensive studies have shown that, if compared to the traditional ways of tillage, direct seeding results in changes in the soils' physical and biological properties. The studied parameters of soils considerably depend on the cultivate...

The objective of the study was to evaluate the effect of processing parameters such as pressing and sintering time on microstructural characteristics including porosity and microstructure of some iron-based powder metallurgy (PM) materials. The powders used in this study are prealloyed iron-based powders. The particle size of the powders is ranging from 45 to 150 ?m. Following mixing the powders with zinc stearate 1% for 30 minutes, the studied powders were single pressed in a die at a pressure of 600 MPa. Zn-stea...

Heavy and radioactive metal poisoning has become a problem of current interest as a result of environmental pollution on a global scale. Studies to test the noxious effect of radioactive metal ions on wheat germination and seedling growth showed that germination rate, shoot length, and fresh weights varied as a function of their concentration in the treatment solutions. We report here the effect of some radioactive and non-radioactive (stable) elements on the wheat seeds and seedlings (Triticum aestivum L.) in the...

This paper deals with the possibilities of concentration of electromagnetic radiation through Fresnel lenses. The article points out errors in the optical system and their possible solutions, which are based on the latest scientific knowledge. At present, there is a development of Concentrator photovoltaics (CPV) and high-concentration photovoltaics (HCPV) systems that make the possibility of more efficient transformation of solar energy into electrical energy. Manufacturing of photovoltaic cells differs in the co...

During combustion of natural fuels together with oxides of main fuel elements (carbon and hydrogen) fly ash with unburnt fuel particles, sulfur oxides, nitrogen oxides, some amount of fluorine-containing compounds and gaseous products of incomplete combustion of fuel are released into the atmosphere. The technology and technological parameters of equipment for purification of exhaust gases of TPP, which allows to remove up to 95% of sulfur and carbon oxides by low-temperature liquid-phase catalytic oxidation at at...

Air injection techniques (high pressure air injection and in-situ combustion) for enhanced oil recovery (EOR) have attracted extensive attention due to its low cost. Air injection can be applied in many candidate reservoirs including carbonate reservoirs that account for a great proportion of total oil reserves all over the world. Dolomite and calcite are the main minerals of carbonate reservoirs. Therefore, it is necessary to study their effect on the oxidation of crude oil as the oxidation reaction exactly occur...

The reactive oxygen species are usually generated by normal cellular activities of the aerobic metabolism and play the role of a signal molecule and beneficial growth regulator. When plants are exposed to stress conditions the concentration of reactive oxygen species increases. Therefore, to neutralize these free radicals and to protect cells from oxidative damage enzymatic and non-enzymatic antioxidant systems are activated. In this paper it was investigated the effect of drought on the activities of antioxidant ...

The main objectives of the present study were: (1) to evaluate the impact of acid drainage, from the former Valea Vinului mine on the quality of Valea B?ilor creek and (2) to propose a treating method for the acid mine waters generated by the investigated mine. The waste waters sampled from the former Valea Vinului mine proved to be highly acidic having a pH between 3.1 and 5.2. The monthly fluctuation showed that during March 2016 and April 2016/2017 the waste waters were highly acidic. The acidic mine waters had...

Grape seed flour (GSF) is a viable ingredient used in bread-making to improve its nutritional value. Wheat flour bread is the most consumed bread, mainly produced from white flour which has a reduced nutritional value. In this study GSF from white wine pomace, at different particle sizes was used in wheat flour type 550 at levels from 3% to 9%. This type of wheat flour was of a strong one for bread making with a low deformation index which presented a low alpha amylase activity due to its falling number index valu...

Alumina and silica are commonly used as solid matrix for characterizing the combustion behavior of crude oils by differential scanning calorimetry (DSC) technique. However, the two basic factors, heating rate and total sample mass, were paid less attention in the process of experiments. Our recent study found that they might significantly change the oxidation behavior due to the use of alumina and silica as solid matrix. In this study, the effects of heating rate and sample mass on the combustion behavior of crude...

The effect of different doses and time of boron fertilization on growth and development of grape plants were studied on the soils of Terek-Kumskiy sands of Chechen Republic, Russian Federation. The aim of research is to study the content of boron in the soil and to identify the physiological response of the vine plants on boron fertilizer. The obtained data of the boron total content in the studied sandy soil showed that in 0-60 cm layer of the soil the boron total content ranges from 0.4 to 0.5 mg/kg, in 60-150 c...

Dust is one of the major hazards that affect workers in the mining industry. Currently, there are many technologies that help reduce the dust load on the miners. But looking at the statistics of professional and profession-related diseases, it can be seen that the incidence of diseases caused by various industrial aerosols is not reduced. This indicates that the existing methods are not sufficiently effective. It is not excluded that the very method of estimating the dust load on workers is not correct and needs t...

One of the key parameters of the mine, which affects the choice of the scheme for stripping and transporting ore, is its annual productive capacity. At the same time, the analysis of the experience of domestic mining enterprises using the underground mining methods allows us to say that the traditional and most common transportation methods are skip hoisting and road transport using underground dump trucks [1]. Along with traditional ones, there are progressive energy-efficient and poorly-staffed types of transpor...

The purpose of the study was to develop an electrochemical method for detection of lead at low level of contamination in water samples using a carbon glassy electrode modified with the functionalized azulene: (2E)-2-(azulen-1-ylmethylidene) hydrazine carbothioamide (L) as a complexing polymer film. The modified electrodes were prepared in L solutions (1mM) in acetonitrile (CH3CN) containing tetra n-butyl ammonium perchlorate (0.1 M TBAP) as supporting electrolyte. The analyses were performed on Autolab PGSTAT 12 P...

In the present scientific work assessed current status of question about grinding stage effect to electrochemistry parameters of operation preparation slurry before intermediate selective flotation. Showed needs of more detail study chemical reactions in the slurry preparation and flotation processes.At example of Abiz deposit ores has been offer new methodology. The ores are polymetallic sulphide type and the one are most difficult for mineral processing. The methodology allows increase information base during fl...

Ensuring the stability of liquid rate represents a major requirement imposed for sprinkling machinery. This important objective can be materialized only by equipping sprayers with advanced automatic adjustment systems, in order to correlate the two work parameters: displacement velocity and liquid flow. An effective correlation of these parameters can be achieved using adjustment systems of the electronic type. A such adjustment system can not operate efficiently without an adequate comparator circuit. It is also ...

Natural compounds and products are increasingly demanded by the pharmaceutical and cosmetics industries as safer and user friendly alternatives to synthetic variants. Young wheat plantlets, known as wheatgrass, are a valuable source of minerals, vitamins and chlorophyll pigments and the biosynthesis of such compounds may be influenced by the cultivation conditions. The present study focuses onto the chemical profile, mineral and chlorophyll content of cultivated wheatgrass using two different types of water (sprin...

The research is devoted to the investigation of meadowsweet (Filipendula ulmaria (L.) Maxim., Rosaceae line), which is widely used by population for medical purposes. The results are represented by the concentrations of 28 chemical elements determined by INAA method and 55 ones determined by ICP-MS in 201 samples of the aboveground part of the plants collected in different regions of the south of Siberia. The analysis of the data obtained allowed concluding that the chemical elements varied depending on the region...

Considered here is the problem of cooling water-cooled reactors in an emergency, including in emergencies involving a blackout. This problem has become particularly important after the events that occurred at the Japanese nuclear power plant, пїЅFukushima-1.пїЅ Here we present a new emergency reactor-cooling system developed at the Department of Energy Problems at the Saratov Scientific Center, Russian Academy of Sciences. We propose a new way to provide redundant, auxiliary power for nuclear power plants (NPPs) t...

This article is referring to a study regarding the energy consumption and data for the internal heat gains and opening hours at a big size commercial building built in Bucharest, Romania. The monitoring was done during the maintenance building period of time starting with the opening day till the present days. It was calculated the energy demand for heating, cooling, ventilation and lightning systems depending on the average daily running hours and on the internal heat gains for each type of area destination (like...

The continuous improvement of building insulation and air tightness means that controlled ventilation is becoming more important every day. The ground-air heat exchanger makes a considerable contribution to this, especially when used in conjunction with an air heat exchanger unit. As well as increasing the quality of life within the building, this also provides significant energy cost reductions by using the embodied ground energy to pre-condition the incoming ventilation air. The Canadian wells use geothermal ene...

Multipurpose vehicles are trucks that were implemented in order to achieve some different equipment related to road works such as snow removal, sweeping and spraying the streets, roadside mowing, trimming trees etc. Multipurpose vehicles have two operating modes. ? Regime for marching. Rapidly moving vehicles from one location to another. Torque at the drive wheels is small and the speed is high. ? Technological regime. The vehicle traveling at a low speed (max 8 km/h) imposed by technology of working multifunctio...

Worldwide there is a constant effort to reduce energy consumption in order to prevent the climate change by decreasing the gas emissions. Another major concern of the authorities is to preserve conventional energy sources by using energy from renewable sources. European laws promote the improvement of the energy performance of buildings, by considering the outdoor climatic and local conditions, without disregarding the indoor climate requirements (comfort). Starting with 31 December 2020, all new buildings should ...

This paper deals with current applied research focused on energy gain from wastewater (WW) for heating and cooling in a new multifunctional building. Energy-saving and environmental protection technologies are becoming one of the most important issues in the design and construction in EU. Energy gain from WW is often associated with piping exchangers, but there are alternative methods such as input pipes with pumping station (PS) and heat exchanger system (HES) with automatic surface cleaning and solids removal. E...

The case study analyzed in the paper refers to a group of new buildings built near the campus of the University Politehnica of Bucharest. The UniversityпїЅs campus has its own cogeneration power plant equipped with two reciprocating engines using natural gas. Each engine generates 800 kWe of electricity for UniversityпїЅs own consumption and for selling it on electricity market. During the winter time the heat recovered from the two engines, is used within the district heating network of the UniversityпїЅs campus....

The underground architectonic objects are often located at low depth. This is why, in order to protect objects located on the area or minimize the negative impact of works performed on people and the environment, roadheaders are widely applied, with the use of which excavating takes place in a mechanical way. BoomпїЅtype roadheaders deserve special attention in the group of roadheaders. A significant feature of the machines is the possibility of building underground objects of any shape and size of crossпїЅsection...

The environment and its protection are among the most followed topics of today. Logging using forest machines is closely associated with the hazard of service fluids spills and their negative impact on the forest ecosystem. Engine oils represent the highest share of all service fluids used in forest machines. In the present study we tested engine oil fouled during regular operation of the forest machine. Synthetic, as well as natural sorbents can be used for a quick and effective removal of engine oil spills. Proc...

Construction development of forest-tundra areas shall take into account their peculiar characteristics: enhanced susceptibility of landscape components to man-made impact, presence of permafrost, and also insufficient exploration of environmental conditions. These factors make it essential to carry out a detailed investigation of natural and man-made conditions as a part of engineering and environmental surveys during environmental feasibility study of the projected construction in such areas. This work is dedicat...

The interpretation and representation of the ground materials distribution and of their properties is a fundamental task in engineering geology practice. Engineering geological models can help to plan and developed the site investigation activities as they constitute an idealization of the ground, quite useful during the office and field tasks. The selection of the site investigation techniques can be more efficient when a ground model is idealized or sketched. The interpretation of the site investigation data mus...

Several concrete mixtures suitable for constructing engineered barriers in radioactive waste disposal facilities are designed and tested. The mix design is based on the utilization of a natural sorbent acting, at the same time, as supplementary cementitious material replacing a part of Portland cement and fine filler capable of radionuclide absorption and fixing. A representative set of engineering properties of the hardened concrete mixes is determined, including the pore size distribution, bulk density, matrix d...

In this study, the feasibility of zwitterionic surfactants for EOR from high-temperature and high-salinity reservoir was investigated. Three different types of zwitterionic betaine surfactants were selected based on their abilities to address issues of displacement oil from high-temperature and high-salinity reservoir. And their abilities of reducing interfacial and surface tension (IFT), increasing viscosity, and long-term stability at high temperature and high salinity were investigated and compared with the mos...

ShakeMaps are one of the most applicative products of seismological research and monitoring, becoming available minutes after earthquakes. They are maps depicting the ground shaking produced by an earthquake and the estimated intensity distribution, being extremely useful for authorities, population, private sector and researchers too. However, the outcome of the result пїЅ consisting of easy to read maps representing the potential area affected, often hides the fact that many compromise decisions and uncertaintie...

When conducting underground works, it is necessary to take into account their possible consequences for underground and surface objects. The purpose of this work was to identify the need to use three basic methods for estimating and predicting the parameters of subsidence of the earth's surface and deep layers. The process of extracting minerals from the earth's interior leads to an increasing need for underground excavations beneath the area of protected objects (surface and underground). In this regard, engineer...

Enterprise investment in environment protection means traditionally are seen as a burden induced by environmental policy. It is claimed that these investments do not support increase in output and productivity and rise production costs. Environmental investments directed to reduce abatement cost may not produce the productivity growth effect if the productivity gain do not outweigh the increase in abatement cost. Though environmental investments of firms are seen as less productive allocations, strong version of t...

The necessity of becoming competitive in the global economy brings many changes in the business. Companies will have to become international and act on global markets. Companies need to expand their cadre of quality people with a global mindset and skills. This requires to know the country, culture, national economy, too the principles of the global market. The role of universities is to promote the education of the graduates with stronger entrepreneurial training, to stimulate entrepreneurship in the global marke...

For the development of the aviation industry more and more important becomes the issue of sustainable development, taking into account the coexistence and interaction of the three capitals: social, ecological and economic. The article focuses on the mechanisms of improving the effectiveness of the implementation of this concept. It was found that the effective implementation of the concept of sustainable development requires entrepreneurial activities of various entities aimed at the integration and synergy of the...

An idea of пїЅclean productionпїЅ, which provides for the modernization of industrial enterprises to environmental standards, is the concept that promote to sustainable development. The idea of combining economic and environmental effectiveness is a base of the concept. The most common indicator of balance is the environmental footprint, which is determined through calculating the use of natural resources. In addition, the environmental footprint provides an opportunity to assess how long can affect on the environ...

Environmental technology verification (ETV) may be defined as the establishment or validation of environmental technology performance by qualified third parties based on test data generated through testing using established procedures or specific requirements. The paper present a characteristics of the ETV established by the European Commission as a voluntary scheme with an overall objective to increase the marketability of environmental technologies and raise confidence in ecoinnovations by providing independent ...

Analysis of the environment state of oil and gas regions in the Yamalo-Nenets Autonomous District (YaNAO) on the basis of researches in the north of Western Siberia (2003-2016 years) is carried out. The area of research is Nadym-Pur-Taz interfluve, the north of Western Siberia, the Yamal-Nenets Autonomous District. Assessment of environmental components (surface waters, bottom sediments, soils, vegetation, and snow) has been carried out. The studies were conducted at three levels of landscape organization: local (...

According to the European Directive 2002/49/EC, EU members have to draw up a strategic noise map for all agglomerations with more than 250000 inhabitants and for all major airports, roads and railways. A study of environmental impact assessment on Highway A23 in the stretch between Abrantes пїЅ Guarda, conducted under the environmental noise, has as objective the characterization of the current situation, i.e. representation of senses in sound levels surrounding the infrastructure, based on modelling and acoustic ...

The environmental investment programmes are targeted at the implementation of sustainable development activities, maintaining the quality of environment and biological diversity and ensuring the sustainable use of natural resources. In recent decade, Latvia has been one of the most active among the new EU Member States in the acquisition of the EU financial resources and other financial instruments for the implementation of the environmental policy targets in Latvia, especially in the spheres of environmental prot...

In the efforts to improve products and processes, it is getting more and more important to implement integrated management systems in companies to enable comprehensive and synergistic solutions to problems arising in different areas of the business activity. Environmental management is usually the key component of an integrated management system, in particular in relation to improving environmental performance of products and processes. An inherent element of the integrated management system concept is the extent ...

Russian governmental concern about serious problems in a field of health protection connected with environmental protection and safety of Russian Federation is shown based on the analysis of national strategic documents. In this regard, the establishing of scientific basis for environmental protection and environmental safety of population aimed at the correcting of the existing environmental standards and the indicators of permissible anthropogenic impact on environment is given by the federal document "Fundament...

Environment Protection is becoming part of the international and national legislation on human rights. The link between the environment protection and human right is the focus of such paper. Alongside, the paper will raise also the question of environment protection as dispensable mean for the protection of one fundamental right such as the right to life. Indeed, the debate about the relationship between the environment protection and human right at international level is going on for more than forty years. Moreov...

To comply with European UnionпїЅs rules regarding the environmental protection it is necessary for the all compound feed factories (CFF) to be fitted with modern and performant working equipments, with a high degree of mechanization, automation and computerization, with high productivity and low specific consumption, but also with opportunities for rigorous monitoring of pollutants and dust removed. Taking into account the complexity of the technological flow that takes place in a compound feed factory (CFF), this...

Determination of soil properties is based on soil sampling with low resolution (1- 2 or more samples per hectare) and their analysis in the laboratory. This method does not provide sufficient data to highlight the significant variability of the soil properties for the analysed parcel. This leads to a uniform distribution of the nutrients that can also be synthetic chemical substances (pollutants). Since the soil properties can influence plants growth, high-resolution mapping is required by the help of some sensors...

Urban green space has different functions in cities, at several levels, such as the environmental, ecological, social, economic, cultural and aesthetic, promoting the image and character of an urban area. In crease the number of residents in urban areas of Kosovo, has directly affected in growth rate of environmental pollution. Air quality is a major problem in many urban areas in the Republic of Kosovo and therefore has a great impact on human health. The objective of this study is to describe the use of urban gr...