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Among the energy sources alternative to fossil fuels, renewable energy sources such as solar garner the public?s attention, as they are available and have fewer adverse effects on the environment than do fossil fuels. Solar heating systems are a type of renewable energy technology that has been increasingly used in the past decade across Europe to provide heating, air-conditioning, and domestic hot water (DHW) for buildings. This paper provides a briefly review of the available heating technologies assisted by sol...

Usually, the methods for noise abatement selected in the action planning for a city are prioritize according with the implementation costs or they are secondary effects of the other measures, which has a totally different scopes. Besides the costs, another effectiveness indicator is used: the number of people benefiting from the noise reduction. The issue of the approach is the fact that this indicator is global and nobody can deduct precisely the location of the persons that benefit of measures. In this way, the ...

The paper deals with the influence of mining works on the transport in the area mainly the structural layers of transport-related engineering structures elements as railways, roads, railway crossings and the overall transport system. Long-term underground coal mining is usually associated with environmental impacts in the Moravian-Silesian Region in the Czech Republic. There are two types of undermined areas in mentioned region: District of Ostrava where the mines were closed and the mining phenomena are considere...

Amines are the key intermediates for agricultural, pharmaceutical, textile, polymer industry etc. The common method for the amines production from the fossil resources, in spite of the high yield of the target products, is characterized by the high amount of side toxic products. Nowadays the production of bio-based amines, in particularly the derivatives of sugars, is of the growing interest. This route of amine production results in the minor waste formation and can be considered as a sustainable. Among various r...

The article analyzes the field studies carried out in the last years in the Russian Arctic, where due to efforts of the state and business the scopes of field activities significantly increased. This is determined by climate changes, more active exploration of the Arctic shelf and development of shipping. Expeditions are carried out in the framework of the state federal and regional programs, projects of the companies of subsoil users (Gazprom, Rosneft) and international cooperation. Activities at some coastal sci...

This work focuses on the extraction, the physic-chemical characterization, chromatographic analysis and the study of biological activities antimicrobial and anti-inflammatory pumpkin seeds Cucurbita moschata family Cucurbitaceae. Harvested area Lakhdaria in Bouira. The extraction of fatty substance by two methods with cold maceration and Soxhlet, it gives the best yield (41.61 %), the study of physic-chemical parameters has a refractive index (1.48), acid value (0.56 %) and iodine (180.6 g\100 g). And chromatograp...

In the context of urban planning, it is very important to estimate the nature of the roof of every building and, in particular, to make the difference between flat roofs and gable ones. This analysis is necessary in seismically active areas. Also in the assessment of renewable energy projects such solar energy, the shape of roofs must be accurately retrieved. In order to perform this task automatically on a large scale, aerial photos provide a useful solution. The goal of this research project is the development o...

The aim of this paper is to provide a more thorough understanding of how to handle fires in enclosed spaces. This work was written primarily with regard to firefighters. Enclosure fire presents, by its special characteristics, a significant threat not only to the residents but also to intervening firefighters. The paper deals with the issue of enclosure fires focusing on flashover. The submitted project describes the current state of solved problems, factors influencing enclosure fires. Paper provides a deeper und...

The authors used a modern quantum theory allowing to determine the energy levels of electrons in real metal. What's more, the presented model allows to define the electrons energy density and consequently use the Gibbs ensemble theory. In combination of quantum theory and Gibbs statistics, the authors obtained analytical equations for both the work function and the bulk modulus of metals. Based on the obtained equations, the work function and the bulk modulus for Ti and several other metals were calculated. It sho...

The target of this article is the providing of the brief information about preventing the dust spreading problems solving during operations of machinery equipment in brown coal open pit mines and in coal dumps. The main part of this paper briefly describes operation tests of the new rotary mist unit realized during last years. The increased concentration of the dust in the air causes important health hazard. The dust is very bother factor. The occurrence of the dust in operation area is the source of danger fire r...

The paper presents accelerations, response spectra and spectral ratio for two tower-type buildings, one in Southern part of Bucharest, T1, at ~160 km from the epicenter zone, and other, T2, near the epicenter zone, Vrancea. These seismic characteristics are all from recorded earthquakes triggered in the above mentioned area. 3 triaxial seismic accelerometers were used on 3 levels at each building. The accelerations recorded on the analyzed structures were a result of Vrancea medium magnitude earthquakes between 20...

In the paper the problem of coal permeability enhancement by hydraulic fracturing with the lightweight proppant is considered. The used proppant consists of hollow aluminosilicate microspheres ASPM-500. The experimental results of the lightweight proppant influence on the long-flame coal permeability are presented. The permeability of coal with a propped crack is reduced by 4-9 times as the confining pressure is increased by 5 times from 1 to 5 MPa. The permeability decrease may be caused by the proppant pack comp...

Oregano, (Origanumvulgare), known in our country as bumblebee or marjoram, belonging to the Lamiaceae family and is used as spice or medicinal plant. This study was conducted to evaluate the chemical composition, antifungal and antioxidant properties of Origanumvulgare plant and oil.The chemical composition of Origanumvulgareplant samples were performed using the official AOAC methods in the laboratories of the Interdisciplinary Research Platform of BUASVM from Timisoara. Alcoholic extracts of Origanumvulgareplant...

Nizhne-Karmalskoye super-viscous oil deposit is located within the western slope of the South Tatar arch of the Volga-Urals anteclise. In the structural plan, the deposit is a sedimentary accumulative uplift-bar of 13 km in length, 3-5 km in width and 35-50 m in height. The uplift-bar was formed at the end of the Ufa age. According to one of the hypotheses, the sand body has a delta-baric origin. The body is composed of well-sorted fine-grained graywacke sandstones, which are now reservoir rocks of the super-visco...

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...

The forecast of a convective situation is achieved not only through the analysis of the synoptic situation as well as with the help of instability indicators. These are determined either by means of data obtained from aerologic surveys or by using numerical models. The data presented in the paper are obtained using the model ALADIN (Aire Limit?e Adaptation Dynamique D?veloppement InterNational) model. Run instability indicators were KI, TTI (Total Totals Index) and CTI (Cross Totals Index) CAPE and MOCON. The anal...

The purpose of this study is to identify relationships between the values of the fluidity obtained by computer simulation and by practically implemented tests. Three types of molds were used: 1. horizontal three-channel mold designed in the accordance with the methodology of the Measurement Systems Analysis which is useful for determining repeatability and reproducibility in the analysis, 2. vertical mold ? the lyre and 3. the spiral mold (Curry spiral). An aluminum - silicon - copper alloy was model material. The...

In the framework of this study, the features of the competencies in the modern education system are highlighted in the conditions of increased production of information resources, knowledge and their use in innovative products. The key role of research competencies as a way of generating innovative solutions in comparison with alternative approaches to the organization of innovative processes is shown. Models for evaluating innovation processes in terms of the growth rates of production of modern products, increas...

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...

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 methane hazard is one of the main natural hazards occurring in underground hard coal mining. This hazard is related to the potential ignition and/or explosion of methane when mixed with air. The underlying cause of this problem is methane release from the body of coal, the goaves with caving and the excavated coal area. The region most vulnerable to this hazard in coal exploitation during longwall ventilation using the U-type system from the exploitation field borders is the intersection of the longwall and th...

The impact of climate changes on rural areas will take place in the context of many and dynamic political, economic, social, and land-use trends, the focus being on water supply, food security, agricultural incomes and rural infrastructure. Adapting rural areas to climate changes challenges is not an easy task and involves complex and multi-dimensional processes which are developed at different scales. Adopting and implementing adaptation measures for a climate smart and resilient rural space is only a stage (whic...

In March 2017, the President of the Republic of Poland signed the European Agreement on Main Inland Waterways of International Importance, also known as the AGN convention. The convention and the Directive 2005/44/EC of the European Parliament and of the Council of 7 September 2005 on harmonised River Information Services (RIS) on inland waterways in the Community, together with a number of European Commission regulations, establish a coherent legal system to facilitate the coordination of development plans and in...

In the small catchment area of RediuValley has initiated some investigation concern to the possibility of practice drip irrigation for horticultural plants. It is well known that soil from slope lands have high susceptibility to erosion processes. Plants grown on slope land are also predisposed to longer droughts as a result of the partial infiltration of water from snow melting and after high intensity precipitation. The studied Rediu water basin has a length of 8 km and a surface area of the 11 km2. Surface unde...

Nowadays there is increased emphasis on reviving the rural areas and the small businesses are considered to be the engine. This study examines how the rural areas entrepreneurship spirit can be stimulated through increasing awareness in regards to the environmental impact of green activities. The aim is to find ways of converting the rural traditional economy into a sustainable one by creating different types of initiatives for the population such as organic farming, renewal energy alternatives, eco-tourism and re...

The paper presents and analyses different solutions to determine the alignment to be taken into account in designing forestry roads in order to prevent and remove the effects of natural calamities. The proposed solutions take into account the area of the forestry roads in order to integrate them harmoniously in the region landscape. The paper also presents a case study concerning the solutions adopted to remove the effects caused by the natural calamities in the summer of 2016 on certain forestry roads in the Timi...

This paper addresses the possibility of using poultry manure pyrolysis to obtain energy-efficient products. Poultry manure pyrolysis is the intended technology of combustion for both ecological and energy generation purposes, obtaining coke and gas fuel. The waste subjected to pyrolysis had a behaviour very close to that of the inferior coal. This is also confirmed by the elemental analysis; high moisture value raising issues when direct combustion is used. The combustion of the poultry manure through various tech...

The authors present the results of the research on the variability of selected physicochemical properties and discharge of medicinal waters in Szczawno-Zdroj. The intake discharge and selected physicochemical parameters (water temperature, HCO3-, CO2 and Rn content) were taken into account. These parameters and intakes discharge are measured regularly. Based on the results of the exploitation observations (1967-2017) it was also shown that the content of the gas in the Mlynarz and Mieszko 14 intakes varied conside...

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...

Major efforts are directed worldwide in order to establish proper strategies for the preservation of soil quality, its protection and sustainable use by precision farming techniques. Since the in-depth distribution of soil moisture represent valuable information for farmers, electric and electromagnetic techniques were employed for its investigation. Electrical resistivity tomography (ERT) with small electrode space interval was utilized for illustrating sectors of vertical water penetration and horizontal sectors...

The paper analyzes the use and production of modern lighting columns made of aluminum for street lighting. The modern process of manufacturing conical pipes by means of the box rolling method on a special laboratory mill built for this purpose is presented. The study performed the most important parameters for seamless conical aluminum tubes along the entire length of cylindrical tubes. It has been shown that the use of modern street LED lighting mounted on light cone-shaped lighting poles is cheaper, more ecologi...

Municipal wastewater represents interesting source of irrigation water, especially in the situation where shortage of water is a growing problem in arid areas around the world. The potential decrease in soil fertility and expansion of arid areas due to global climate change represents the actual problem in agriculture in both developed and developing countries. The main objectives of the present study were to describe the impact of irrigation by different types of wastewater on content of C and N in soil, leaching...

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 implementation of underground coal gasification (UCG) on an industrial scale requires solving many problems. One of them is the optimization of chemical processes during gasification, such as pyrolysis, in order to obtain a syngas with the desired parameters. The process of devolatilization a coal seam in underground conditions is complex, moreover, many issues are not fully understood. Due to the limited possibilities of experimental research, simulation research is extremely helpful in understanding the deta...

The research deals with cyclic processes. The cyclic processes are those exogenous geomorphological processes which are characterized by the repeating sequence of changes. These processes include landslides, snow-slips, and some others where activation of the process is followed by the stage of its recovery, such as microrelief recovery, vegetation and soil cover recovery. The process occurs under the influence of two groups of factors: local factors independently activating separate sites (the local activation) a...

This article examines the conditions and prospects of technical water supply with a requirement of up to 20,000 m3/day of the soda ash production factory in the amount of 300,000 tons per year in Aralsk district (Zhalgizagash area) of the Kyzylorda region. The geographical position of the Aral Sea basin, the relief, the amount of precipitated water and the hydrographic network are described. Consumers of soda ash are also presented in this article. The construction of the soda ash production factory will have a si...

The Paper present confined groundwater flow and solute transport modeling in water catchments area and wastewater system Giarmata, using the hydraulically modelling whit mathematical simulation. Modeling purpose is to constitute extending pollution propagation of aquifers generated of possible wastewater pumping station pollution. Pollution zone definition is necessary to settle technical measures to using drinking water systems. The used software for numerical modelling in this paper is Processing Modflow for Win...

Salinity is one of the major environmental stress factors for crops that adversely affect plant growth and development. High concentrations of salt in the soil cause ion toxicity, osmotic stress, oxidative stress, nutrient deficiencies and imbalances perturbing important physiological and biochemical processes. To minimize the effects of salinity, the plant develops a large array of responses involving a complex enzymatic and non-enzymatic antioxidant system, ion transport and compartmentalization of deleterious i...

Since thermal energy is one of the most environmentally hazardous industries, the issues of environmental compatibility of thermal power stations (TPPs) construction are the priority. One of the main supporting pre-project documents on projected construction of TPP is a report on its environmental impact assessment (EIA). Due to the diversity of technology options for generating electrical power, as well as differences in natural and man-made, economic, social and other conditions of the territories intended for T...

In the last decades, transport and handling equipment sites have became progressively pronounced in areas that were recently lacking transport services. In many cases, transport services are not provided in mountain areas and in areas that have not been significantly affected by anthropogenic impacts yet. Local natural materials and asphalt mixtures are used for road construction, in which it causes road movement. Used asphalt mixtures are made up of mixtures of various organic substances, usually aromatic nature,...

In this paper relationships of vessels and the environment, in which exploitation tasks are carried out, were presented. It was shown how important is rational choice of propulsion unit to construct a vessel which should be provided with proper energy to do the tasks given. Vessels are the biggest means of transport, then they also have a profound influence on natural environment. That is why an attempt of analysis was made whether it is possible to replace hydrocarbon liquid fuels with alternative ones. For this ...

Currently in our country, dry salt extraction of salt deposits is achieved by the small chambers method. The projected size of the assembly formed out of the side of a pillar and the adjoining chamber is of 30m and remains constant over the entire depth assigned for the exploitation, but the portion of the side of the pillar changes (which is constantly increasing along with the depth) and a of the side of the chamber (increasing with the decrease of the depth). The pillars and rooms have a height of between 7m an...

Russian northern territories? cultural advance and development were directly connected to the extraction of minerals. Development of northwest Russia?s mineral resources became more planned and systematic with ?Mining Prikaz? established by Peter the Great. There are numerous old mines preserved in Leningrad region and Karelia, and their cultural potential is underestimated by the state and their historical value is downgraded. This article considers spreading in Russia practices of using shut-down underground min...

The subject of the effectiveness of innovative processes and identifying its determinants and measurement is crucial for both researchers and practitioners. Innovative processes, due to the high amount of resources involved and the level of risk, should be prepared adequately from the perspective of the procedure of innovative activities and monitoring their effects. The effectiveness category includes not only economic, but also non-economic values. The aim of the article is to present the problem of measuring th...

Any infrastructure investment is implemented in specific environmental surroundings and among specific local community. Its consequences include changes in spatial land management and environmental transformations, often leading to social-spatial NIMBY conflicts (Not In My Back Yard). Such conflicts currently constitute a very serious problem of local socio-political life in Poland, and reflect the imperfections of the planning and spatial management system. They result from the conflict of interests of the invest...

The Arkhangelsk region is one of the leading forest industry centers of Russia. The region possesses significant chemical and mechanical wood processing facilities, producing about one third of the pulp and cardboard, also up to 10% of sawn timber, paper and fuel pellets of the total volumes in Russia. One of the forest industry?s problems is a historic underdevelopment of an infrastructure, in particular ? lack of transport links. Due to low population rate, the density of the land transportation system is minor,...

This paper presents an overview of existing Romanian code provisions for industrial sources or human-induced vibrations. Caused by the industrial sources (forge hammers, presses), vibrations are transmitted to the soil, generating different body and surface waves, and to buildings. On the other hand, vibrations due to sounds are significant on walls and non-structural elements, and even there are not recorded severe damages, with important effects on people. Two studies related on the structural effects and on the...

Heavy crudes and natural bitumen might present one of the accessible energy resources for the period of time necessary for the adoption of novel energy technologies of the future. Their development is characterized with low profitability, due to peculiarities of composition, mainly high content of high-molecular paraffin, resin and asphaltenes. At the present time in exploration of heavy hydrocarbon resources, thermal methods of production are being given more attention to. One of the key problems of thermal metho...

The energy security, the energy market and the climate change strategy characterize the current times. This forces us to seek new technologies and to modernize and intensify old technologies. The current strategy also significantly affects the blast furnace iron production and subsequently the production of agglomerate. Agglomerate production is closely related, from the ecological and energy points of view, with the production of coke, which is the basic fuel component of the agglomeration batch. That is coke bre...

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...