Browse

Monitoring of environmental components, in relation to changes in global biochemical cycles and the presence of their deposition, is one of the world`s most attractive areas of research. This area plays an important role in the sphere of crisis management. One of the dominant components of the environment is water, in all states, especially in forms of snow and ice. Monitoring of weight and height of snow deposition concentrations is the main task of research projects of envi ronmental, geographical and technical ...

This paper provides an analysis of the info rmation registered in the Seveso Plants Information Retrieval System (SPIRS) about Seveso establishments in Europe and which are collected from the 27 European Union Member States (MS) and three EEA/EFTA countries in accordance with the Seveso II Directive. As of September 2010, 9937 Seveso establishments are recorded in SPIRS. Four MS account for more than half (54%) of th ese establishments. This work also highlights the possibility of integrating information contained...

The phenomenon of displacement and deformation of the surface land, continues to present a wide interest in th e implications of environmen tal problems and protection of existing construction area. The researches in this direction have led to the conclusion that the observations made in the areas affected by underground mining can be done short-term forecasts, medium and long forecasts about the phenomenon analyzed. These forecasts have been particularly important in the sense that future studies can be made for ...

During 2008/10 we have investigated the cowslip (Primula veris L.) populations in different habitats across Kosovo in order to find morphological differences and genetic resources. We have found that this species in Kosovo is distributed in different altitudes, from 700 m (Mramor) up to 2000 m (Albanian Alps). We have observed more than 16 8 localities, in which cowslip was present. Largest populations were found in Albanian Alps, in Sharri Mountains and in the Shala region (Northern Kosovo). For investigated para...

The importance of understanding seismic waves and measurement waves has gravitated form the seismic prediction to training electromagnetic propagation. Seismic electromagnetic waves may be useful in shor t-term earthquake prediction. It was found our observation system is influenced by lightni ng as far away as about hundreds km in the VLF and LF range. It is found that the increase in the number of LF and VLF electromagnetic pulses before earthquakes were generated by lightning. Some researches show that there is...

The NELA system was created in coope ration with the Faculty of Electrical Engineering and Computer Science of VЕ B-Technical University of Ostrava and the Neurocognitive Laboratory of the Univers ity Hospital Ostrava for the purpose of neurocognitive rehabilitation of patients who, owing to the system, can carry out practice tests comfortably from their homes and thus contribute to their quicker recovery. The fundamental bases of neuroc ognitive rehabilitation rely on the so-called brain plasticity, i.e. the abil...

Coal mining is connected with many burdens, which affect mostly the safety of mining. One of the most serious problems is exhalation of methane to the mine air. This Paper describes methods used for degassing in Czech Republic’s underground coal mines. Authors deal with new options and new trends in mainta ining security by the means of degassing drill holes. There are two main methods Czech Republic used to prevent accumulation of the Methane gas in gaseous mines. The first method is sufficiently effective vent...

We present new flotation agents, KSK- n, for the benefication of polymetallic sulfide ores in this work. The KSK-n reagents belong to xanthates, but contain a heterocycle in their structure and due to that exhibit both, the collector and frother properties.

During the research of flora and vegetation of Sharri Mountains we have found five new taxons for Kosovo’s flora. As part of the Sharri Mountains we have also researched Mushtisht Mountain which occupied the northeas tern part of the Sharri Mountains and range in altitude 480 - 2092 m (Maja Pashallare). These terrains are rich with rare endemic and relict species to the Balkans and that species have been preserved very well especially at the valley of the Rusenica. During research the Mushtisht Mountain flora’...

The main topic of the article is mineralogical research in the North Bohemian Brown Coal Basin. This work summarises new knowledge for the 2002 – 2009 period, five new minerals were identified in the basin in the interval: anorthite, esseneite, ferrierite, melilite, and srebrodolskite. The second object of the article is the situation of important localities of the Krušné Hory Mountains. Main attention is devoted to a newly discovered amethyst locality Černý Potok.

Complex uranium ores of Kazakhstan are a potential raw source of gold and RRE, for example, scandium. Experime ntal researches on opening of ores various leaching systems are spent. It is shown, that uran ium accompanying metals can be extracted in solutions.

The noise propagation an alysis is critical in noise lo aded areas for a remedy search. Very useful tool for these analyses is mathematical modeling. Any modeling of a real world scenario has to consider a number of input data, noise sources, the landscape over which the noise is propagating and the location of the receivers. All these input data has a spatial character and that’s why it was decided to perform the noise propagation modeling in the GIS environment. A noise pollution modeling takes the geometry fr...

The paper presents the survey results of the normal geomagnetic field in the Republic of Macedonia. Net of 15 repeat stations was created for defining the elements of the normal geomagnetic field, according to the area of the Republic of Macedonia. Selection of every repeat station was made by the standards of INTERMAGNET. Intensity of the total field vector, declination and inclination are observed during the surveying of the geomagnetic field. Maps of the geomagnetic field elements were developed using the metho...

Oil and gas exploration has been one of the most priorities of albanian geological studies. Many oil and gas sources are discov ered in the Ionian tectonic zone and the Periadriatic depression. For a long time, the oil and gas exploration was developed under the influence of the geosynclinal theory. Hence, the formation m echanism of the geological structures was conceived a function of vertical-subvertical movements. Gradually, during the last twenty years, the concept of large-scale upthrusting and overthrusting...

The influence of solvents on the colloidal stability of petroleum disperse systems in Devonian fields in Tatarstan has been considered. A stability factor has been suggested as a criterion for kinetic stability of petroleum disperse systems. A pa ttern for choosing solvents with the aim of using them in technological process of organic sediment deposits removal has been proposed.

The crack propagation mechanism of rocks under tensile and compressive loading conditions has been investigated. A higher order indirect boundary element method using special crack tip elements has been used to solve the various example problems in rock fracture mechanics. It is concluded that the brittle rocks fail due to the mixed mode fracture propagation under both tensile and compressive loading conditions. The micro- cracks are initiated due to tens ile or tensile and shear under tensile loadings and due to ...

Analysis of the horizontal strains of the ground subsidence due to underground excavation in rock can be accomplished by a hybridized higher order indirect boundary element/ finite difference (BE/FD) formulation. The higher order displacement discontinuity field is obtai ned by using the quadratic displacement discontinuity elements (i.e each higher order element is divided into three sub-elements bearing a quadratic variation of displ acement discontinuities). Then th e classic finite difference formulation (i.e....

Recognizing the desirability of reaching out to new students and enga ging in innovative pedagogical approaches, academic staff continues to prefer traditional lectures, skeptical about the potential for student learning in online settings. There are also fears of loss of academic control to central administration. There are drivers and barriers which increase or decrease motivation to engage in e-learning, and provides some insights into the challenges of embedding e-learning in higher education. The most importa...

Oil composition at the late stage of field development is determined by both natural and anthropogenic factors. Change in compositi on and physical-and-chemical properties of oil could be considered significant in several ways. This is due to both changes in the interaction of oil and injected agents, and involvement of the reserves not yet developed. The most sensitive, quickly a nd accurately determined parameters are optical characteristics of oil, and namely the coefficient of light absorption. It depends on t...

Dyeing of polyester fabric is carryng out in slightly acidic me dium; the dyebath pH value is adjusted to 4.5 – 5.5, which resu lts in the huge amount of acidic industrial wastewater. In this paper, dyeing of polyest er knitwear with four disperse dyes in the pH range 4.5 – 7, in order to reduce the amount of acid used in the dyeing process, was investigated. Colour differences between the samples dyed at pH 6.0 and 7.0 and one dyed at pH 4.5 were asseessed using the technique of reflectiometry and expressed i...

Building industry has an essential share in depletion of environment and, after food production, belongs to the largest consumer of raw materials. Exploitation, production or transportation of building materials, as well as build-up, operation or demolition of buildings requires massive amounts of energy and results in huge amounts of greenhouse or acidifying gasses emission, par ticipates in depletion of ozone layer, eutrophication processes or photochemical ozone creation. Selection of building materials, as pri...

The frequency of development contemporary technologies is strongly connected to the creation of new composite materials with multi-functional application. They should be characterised with all necessary complex properties for functioning in extreme conditions. The radiation materials science has one of the important segments among the huge spectrum in materials science. Ther e is much interest in above mentioned materials in nuclear technologies. In particul ar, there are increased requirements in key- segments in...

The aim of this study is to investigate the organic facies characteristics of the Miocene Units in Northern Manavgat (Antalya), Tu rkey. The study area is located in the Western–Central section of the Taurus Belt. Miocene units mainly consist of three formations which are Upper Burdigalian–Langhian Oymap ınar Limestone, Langhian Geceleme Formation and Serravallian–Torto nian Karpuzçay Form ation. The Units consist of sandstone, siltstone, claystone , limestone, clayey limestone and reef limestone. Total or...

Some 100 core samples of coal and coaly units from the Pliocene succession (Hotam Д±Еџ Formation) were collected from well KK-147, in the southern part of Central Turkey (KarapД±nar-Konya). 30 samples were screened for total organic carbon (TOC) content. Selected samples were then analyzed by Rock -Eval Pyrolysis. Visual kerogen analysis and vitrinite reflectance measurements were also undertaken. Detailed data from thick Pliocene sediments made it possible to construct an organic facies framework using different ...

This study was carried out in Golbasi (Ad Д±yaman) region (SE of TURKEY), which owns rare coal formations in the region. Chemical, petrographic analysis and organic geochemical evaluations of the Tertiary aged coals were taken into consideration. Coal quality investigation along with proximate (m oisture, volatile matter, fixed carbon, ash) and elemental analyses (C, H, O, S, N) were performed and revealed. The huminite reflectance of organically abundant matter and coal levels were found to be between 0.30 and 0....

This paper discusses the practical implementation of terrestrial laser scanning for ovalisation measurements of newly built concrete railway tunnels. Also an accuracy assessment is performed and then an overview of the measured deviations is given. This research is based on the ovalisation m onitoring of concrete railway tunnels for the first projects of this kind in Belgium. Thes e tunnels are measured with laser scanning during the first three months after construc tion. For all measurements, the concrete surfac...

Wind erosion of soil from exposed areas in mining sites is one of the sources for dust generation. Particle size distribution a nd mineralogical composition of source soil, erodible fraction of surface soil, moisture, as well as organic matter content are important factors that determine the property of particulate generation process. In this research four soil samples were taken using shovel at different depth from the edge of the pit and the surface area nearby the pit in Malmberget mine in Sweden. Soil samples ...

In the paper it is demonstrated that due to mineral resources specificity many mining industries do not strictly comply with clas sical liberal economic model and are faced with the necessity to combine mechanisms of both market and planned economic models. Besides, it is shown that various co mbinations of two leading economic models are present in countries throughout the World. With the help of a generalized structural model, both similarities a nd diversities are specified, which exist between mineral resource...

The studied area is situated about 70 Km in west of Damghan, and from the structural point of view, the area is part of south of central Alborz zone. Granitoid bodies intruded into late Eocene volcanic and volcanoclastic, mainly composed of monzonite and granite composition. Mineralogically, these rocks contain qua rtz, plagioclase, alkali- feldspare, amphibole, clinopyr oxene, biotite, zircon, apatite, and opaque minerals. Textures of rocks are microgranular and fi eld and textural evidences show that the plutone...

Detailed petrographic studies, whole rock geochemistry and in situ U-Pb geochronology of syenite from Iwo area of the southwestern Nigeria has been performed. The results indicate that the syenite is metaaluminous belonging to the calc-alkaline magmatic series whose parental melt was derived fr om melting of the upper mantle/lower crustal source. Precise U-Pb dating of zircons is done by LA-ICP-MS and age of 625 В± 6.1 Ma is obtained. The field and petrological i nvestigations show that the syenite was emplaced sy...

Lignite is one of the minerals which have impacted largely the development and technological revolution of human society. Du ring the coal use, there are mineralogical remains in the form of ashes, which have different physical, chemical, mineralogical and morphological properties, which largel y depend on the type of coal used, and technology in its combustion. This type of ashe s is presented in thermal power plants in the form of dust or fly ash and inorganic remains, which are separated from the process by dif...

In this paper, we want to check the quality of the drinking water in Kochani (in 2008). Our goal is to determine its chemical su itability. During one year (2008), we have analyzed 48 samples of crude water taken from springs, 44 samples of water taken right before its entering into the factory, 29 samp les of water taken right after its exiting of the factory and 262 samples taken from the water supply network in 5 randomly chosen places.

Leakages from underground storage tanks and accidental spills have led to contamination of soils and groundwater with organic solvents. Bio-monitoring (phyto- monitoring) uses plant tissue concentrations of organic pollutants in deep-rooted species of trees for low-cost assessment of the groundwater concentrations. Disadvantages of this approach include the limite d number of said tree species in the contaminated area, and the limited number of core samples that can be taken from a single tree before it dies. A so...

Considering polycyclic aromatic hydrocarbons significant indicators of anthropogenic pollution of the environment, a pilot study obs erves the content of selected polycyclic aromatic hydrocarbons (PAHs) in the sediments of water-bearing subsidence troughs in the Karvina Region. The relevance of PAHs as a pollution load indicator is also supported by the results of monitoring PAH contents in the air of the Karvina Region, namely because PAHs are characteristic organic pollutants in the overall Ostrava- Karvina indu...

In last decades, many localities in the Czech Republic were encountered by intensive flooding, as well as their frequency increased considerably. With these natural disasters are directly linked the increasing number of lo ss events that affect the pricing methods of real estate and, ultimatel y, affect the prices of prop erty. Valuation of property in flood areas has its own specifics, among which ranks the register of high-risk localities in the Czech Republic and the completion of the Flood Maps, which specify ...

The product of biogas plants, in addition to em erging biogas as well as digestate, which is usually used for fertilization. Due to the relatively strict legislative requirements, which must meet the digestate to be used fo r fertilization, it is necessary to design and evaluate other potential alte rnative use of digestate. This paper presents the initial laboratory experiments of pyrolysis and gasifi cation of dried digestates, focusing on the composition of gaseous products of these pr ocesses, utilization of s...

Tourism is the e-specific industry in view of how to use ICT. Tourism enterprises used ICT to communicate buying and selling serv ices and products in this sector. Popularization of the social networks create s from them a modern tool for marketing purposes. Contribution analyses and offers an overview of tools and platforms to promote the appropriate destination. Describes the life cycle of the experimental site intended to promote the destination Pieniny created within the social network facebook.

Eroded soils improvement issues are a prior ity, but it is better to solve such problems using easily recoverable natural compounds as the residual marine biomass. This possibility is insufficiently studied but can solve multiple envir onment problems. The study of marine organisms’ communities that are broth to the Romanian Black Sea shore by the waves, is aimed at qualitative an d quantitative analysis of macroalgal and invertebrate communities, seasonal dynamics of these communities, analysis of macrobiologic...

In this paper, the utilization of coal fly as h and bottle glass waste in building industry is described. In the first step of our experiment we made concrete samples with partial replacement of cement by activated coal fl y ash from Slovakian power plant Novaky. The second part of our study is focused on utilization of selected fractions of bottle glass waste in concrete production. From all mixtures, samples with dimension 160x40x40 mm were made in our case study. After 28 and 90 days of hardening, samples were ...

Magnetotelluric (MT) and Manetometry data physically provide the signatures of the apparent resistivities for various geological formations or simply various rocks and materials. In this study th e interpretation guide us to useful information about Damavand volcano’s geological characterizations. Recognition of the fault paths, zones and the trend of them in the region also would lead us to a 3D image of the location of the magma chamber which in turn would be the direct result of the current project. The resul...

The objectives of this study were to present and compare methods for change detection of forest areas in low-resolution satellite imagery, using object based image analysis and standard image analysis techniques (pixel ba sed). Considering that huge area in Serbia is covered with forest, this study is of great importance for detecting and tracking changes over time. The data used in this st udy were optical remote sensing satellite images Landsat TM (22-08-1986) and Landsat ETM+ (23-06-2002). These images were pro...

Coal is one of the main energy sources in condition of Slovak republic. During process of gasification there is rising coal gas that presents natural part of every coal bush. Methane presents its significant element. One of the technologies for ga s obtaining in situ is also underground coal gasification – UCG. Technologies for gas obtaining from the coal layer are considered as “clean coal technologies.” Despite of their using there can be contamination of every element of the living environment. By not per...

The article deals with the development of sanitation processing model as well as the necessity of model simulation in a soluti on of prevention and remediation of unusual flood events. There are the possibilities for an involvement of water flow owners, community land trusts and i ndividual towns and municipalities in the sanitation process and prevention of unusual flood events. This pa ys main attention to the effective human resource management for organization of sanitation and working teams. It shows on a dem...

The advantage of global navigation satellite systems (GNSS) over other terrestrial technologies is that it is not affected by uncertainties in the ground layers of the atmosphere. At present, manufacturers characterize the accuracy of vectors measured by the static method of GNSS technology using values 5 mm + 1 mm. But also exist different methods of choice the cofactors of measured quantities by GNSS. The paper presents experimental measurement of the 3D geodetic network using the technology of the GNSS, process...

Produced water flooding allows to simplify conventional schemes of external water supply and water injection into oil reservoi r. As a result, the time of development of water flooding decreases, necessary volumes of injection water are rapidly attained and conditions for high rates of oil production are created. The Kholmov area water flood analysis demonstrated considerable lags in highly productive shale and low productive reservoir production. According to the analysis the existing technological scheme for res...

The using of low-emission - renewable sour ce of energy (wind, solar and photovoltaic energy, geothermal energy and energy from biomass and biofuels) undoubtedly contributes to the retardation of climate changes. The energy is the essential part for the world function. Today is the achievement of reasonable energy consumption one of the fundamental roles. It has 80% of all greenhouse gas emissions in the world, which are the main cause of the climate change and stronger air pollution. Therefore it is needed to red...

It is shown by experience that direct double integration of strong motion data with the aim of generating earthquake displacement records usually leads to unrealistic values of residual displacements even for earthquake s with moderate magnitudes or at far epicentral distances. The appearance of veloc ity and displacement records suggests that changes in the zero level of acceleration are responsible for these drifts. Therefore, in order to calculate real displacements, baseline correction seems consequential. Thi...

The theme that will be considered in this paper derives from the cultural debates in many areas of the South Italy because it is necessary and urgent to establish new protected areas. The context of the analysis is expanded compared to the issues of the parks’ planning, structured on a prelimin ary economic analysis about the nature’s protection that without the financial support and activism of the involved people risk to transform parks into natural containers not in line with the current standards and with ...

Nowadays some novelties on computer technology and new softwares have exposed “modern cartography” term. Generally all existing data are recorded digital areas. At the study, raster /vector data transformations, obtaining of digital data, and evaluating and analyzing of new methods have been discussed and exemplified in detail. At the result, outcomes and suggestions of the applications will be illustrated.