Browse

Lignite and other types of coal are formed as result of different chemical and biological transformations of ligneous and plant materials lacking oxygen. During the coal use for energy production , there are mineralogical remains in the form of ashes, which have different physical, chemical, mineralogical and morphological properties, which largely depend on the type of coal used, and technology in its combustion. This type of ashes is presented in thermal power plants in the form of dust or fly ash and inorganic ...

Standardisation and participation in the processes of developing standards are becoming increasingly important for the surveying profession. Application of standards is a very important part in the process for Quality Management (QM). A key role in developing standards has The International Organisation for Standardisation (ISO), a worldwide federation of national standards bodies from almost 150 countries. However, in many cases the prescribed standards are not appropriate for practising professionals, so that th...

Most important factors that made them feeling tired or overloaded in underground, were heat factor and other microclimatic factors influencing working environment deterioration. Mine modernism made those influences become lower rapidly, however, increasing the mine depth, made underground microclimate conditions get worse, as a lack of the fresh air and continuous problems to increase the air content. Microclimatic parameters in the Trepca mine were considered, emphasising horizon 10th and their influence in heat ...

This paper presents the analysis of ground vibration parameters induced by blasting excavations realized at different sites located close to the residential areas. Within the scope of this study, in order to predict peak particle velocity and determine the slope of the attenuation curve for all sites and rock units, ground vibration components were measured for all blast events over a long period. During the study, while the parameters of scaled distance were recorded carefully, the ground vibration components wer...

A revaluation of the important of the climatic variations on the Earth in the last 120,000 years (Quaternary palaeoclimatological data) led us to render evident a special geodynamic moment around 40,000-39,000 years (ka) before present (BP). We have correlated this moment with a severe change of the precessional year duration caused by a modification of the rotational axis position under the influence of a cosmic body. We consider this cosmic event to be the capture of the Moon (by the Earth), former first planet ...

Today, the world is involved in a major experiment, which studies what happens when they are released into the atmosphere in greater quantities of carbon dioxide and other gases. The climate models developed by specialists in the field estimate that, the global climate will warm by 1, 1 – 6,400 C during this century. The main cause of the global warming is increasing the concentration of CO2 in the atmosphere in the last centuries. The gases behave like walls of a greenhouse, maintaining the solar energy in the ...

In the current global crisis conditions any opportunity of extending the tourism market, attracting a new segment of tourists is welcome. The lake’s water stands as a crucial link that conditions a leads through its physicalchemical composition the lake’s biological life, the flora and fauna casting, their discomposure and transformation into mud quality important organic mater. The water’s level growth involves deep qualitative alterations, concerning the peloidogenesis phenomenon related species, and the w...

Until the year of 1996, there had been an intense air pollution beyond standards because of the use of fossil fuels such as coal and fuel oil especially in homes in the winter. With the start of the use of natural gas in Istanbul after 1996 there has been a decrase in the amount of air pollution. In this study, the measurement values of pre and post natural gas use in 10 different measurement stations conducted by ‘Istanbul Metropolitan Municapality, Environment Protection and Development Department, Environment...

Nowadays the problem of global climate change is on the agenda of various disciplines from natural sciences to social sciences, politics, law, security and etc. The subject is dealt with from many different viewpoints and argued with different dimensions like social, technical and global. However, the migration phenomenon, one of the consequences of global climate change is perhaps the most important issue to dwell upon. Because of the environmental pollution and natural disasters, the number of immigrant increase...

The estimation of important parameters at Choghart mine stockpile is accomplished by sampling specific parameters that allow detection of useful parts of the Low Grade stockpile. Huge amount of low grade broken rocks near the open pit can causes some environmental problem. Therefore, determination of dump parameters became important in this mine. In this research the estimation of Fe and P was fulfilled in low grade stockpile of Choghart. The Estimation of these two parameters (Fe \& P) can be used for mapping the...

The purpose of this study is the identification of financial cost of wastewater treatment technology/plant prior to discharge into river Lumbardh of Prizren municipality The identification of actual condition of the sewerage(Canal network) of the municipality of Prizren, calculation of the quantity and the quality of the waters of the (sewerage) before discharging it in the river Lumbardh, is the essence of this study. So that later it can be possible to plan the different locations for putting the equipment and t...

The investigation of the fluvial relief of the north-east side of Kosovo shows a particular scientific and practice interest, so our purpose is to give a circumstantial and full view of morphology and morphogenesis of this part during the evolution phases of its development. In the complex relief of this part, a very important part is the fluvial one, too, so, if we see it by its enlargement, it is ranged immediately after the structural relief, which is regarded to the fact that the fluvial morphogenesis phenomen...

The Bolboci hydrotechnical arrangement was achieved in 1988 on the upper course of Ialomita river, in the complicated geological and tectonic conditions of Bucegi massif from the Oriental Carpathians. This occupies the tectonic syncline of Bucegi which is situated between Cheile Tatarului and Cheile Zanoagei, at south, resulted from the background deformations of precadomian crystalline and the deposition blanket being made from the succession of Dogger, Malm and Albian. On the level of the litho-group of Malm-Dog...

Comprehensive atmospheric composition studies require multi-scale numerical experiments to be carried out, which to clarify to some extend different scale processes interaction, but also to further specify requirements for input data (emissions, boundary conditions, large scale forcing). Model interfaces from synoptic trough meso- to local scale have to be tailored. Shortly speaking, extensive sensitivity studies have to be carried out, tailoring the model set-up and parameters – a possible forerunner of single ...

Past to present, climate changes take place on every sections of the world during the history. This is an ordinary fact when these changes occur naturally, i.e. the natural climate changes are the necessity of our world’s natural behavior, and then the beings on the world are not affected artificially. However, in recent years, some human activities that increase the concentrations of greenhouse gases (GHGs) in the atmosphere and cause global warming are the most effective factors playing great roles on changing...

The increasing number of recent researches indicates that emotional intelligence and social intelligence are more important than IQ in many fields. In literature, many quantitative findings indicate that there is a significant relationship between academic achievement and emotional intelligence skills. In other words, analysis indicates that emotional intelligence skills can serve as a indicator of academic achievement and effective learning. The main focus of this research is to discuss the relationship between e...

Fuel cells are the high efficient devices those convert the chemical energy to the electrical energy. Basically a fuel cell is comprised anode, cathode and electrolyte of parts. Membranes have been used as electrolyte which are made up of various materials. The specifications of membranes are important for the productive working of the fuel cells. In this study the literature research regarding membranes which are used us electrolyte in fuel cells has been realized and their technical specifications have been stud...

Biomass resources include wood and wood wastes, agricultural crops and their waste by products, municipal solid waste, animal wastes, waste from food processing. Especially organic waste, dumped in open places causes heavy environmental pollution to soil, groundwater and surface waters as the amount of the waste generated is growing very fast. However, energy from biomass may significantly contribute to the growing future demand for energy. Energy from biomass avoids the net increase of carbon dioxide in the atmos...

The town of Northwich in Cheshire, England has played host to the salt mining industry for 300 years and was the cradle of the modern heavy chemical industry with which it has been associated for approximately 200 years. Historically, the dumping of waste from these industries on adjacent land was unregulated leading to substantial accumulations of ‘legacy industrial solid waste’ (LISW) arising from many processes including brine evaporation and the Leblanc and Solvay processes for soda ash production. This pr...

Vocational preference will affect students in their vocational decision making and train them about lifelong career management skills. Vocational choice covers the explanations about student’s features such as; career tendencies, learning styles, preferred working environment, weaknesses-strengths, skills. When students and teachers know students’ learning styles the academic success will increase because students will know the better way to study and teacher will know how to behave students that have differen...

The data obtained from Constant GBS (SGBS) networks which are established generally for the aim of geodesic, geodynamic and navigation studies also contribute to the meteorological studies. In this study, hourly temperature and pressure values measured by present meteorological sensors in SGPS stations as well as water vapor values (PWV) that can be converted into rain by taking the advantage of GPS observations will be calculated for Middle Anatolian Region. The values of GPS\_IPWV obtained as a result of calcula...

Kosova geology structurally is roughly divided into two equal-sized areas represented (in east from the Vardar Zone and in the west from the Drina-Ivanjica/Share-Korabi zone) of the one part and the other part in NNE-SSW direction between the Serbo- Macedonian province in Kosova and the geological Dinaric province of Albania. The fault zone of Mesozoic alteration which divides Dinaric and the Korabi of respective geotectonic units in two parts is called Shkoder-Peje lineament. Geotectonic units: Dinaric, Vardar Zo...

The relation man – environment has reached a point when it will bear major changes, which will reshape the entire structure of the man-made edifice. In fact, the changes will affect the society and the rules which it has created in all the aspects, starting from the definition of morality and reaching the behaviour of each individual, inhabitant of the planet. In this context, the ecologic policies do not situate themselves on auxiliary positions, “curative”, but they are meant to set up objectives on econom...

The main goal of this research is to determine the attitudes of high school students and higher education school students in terms of conflict, the types of conflicts they encountered and conflict management styles they applied. For this research, Rahim Organizational Conflict Inventory was used to identified the students’ perceptions regarding conflict and conflict management styles. The sample data for this research is 372 School of Vocational Studies students in Istanbul. Thus, this research aimed at explorin...

The sustainable tourism implies the development of all the forms of tourism, the touristic management and marketing that should respect the natural, social and economic integrity of the environment by ensuring the exploitation of the natural and cultural resources for the future generations as well. The competitive development of the touristic products lead to the creation of new jobs, in a direct manner – in the area of the production and distribution of touristic services – as well as in an indirect manner, ...

Providing of the healthy environment at the mining activity spaces of each horizon or working fronts, is issues that is discussed and is imposed at all decision making levels and afterwards implementation of the exploitation activity of a source. It starts from the preparation of the visibility study and after in compilation of detailed projects, of exploitation flow and finally implementation of control. The ventilation problem is very important because it can cause danger and accidents, professional diseases, po...

In recent years, the concern for renewable energy sources has intensely increased the studies on fuel cells. Solid Oxide Fuel Cells (SOFC) among other fuel cell technologies is seen as an ideal preference in order to be used as cogeneration system with its high operation temperature. The operation of SOFC fuel cell systems depends on thermodynamic, electrochemical and mass transfer theories. In this study, the mathematical models of electrochemical events occurred in solid oxide fuel cells were investigated theore...

In medical sector, the expectation of both hospital administration and patients is quite much today, in parallel with the rapid development of information technologies. The increment in culture and consciousness level of people increases their better medical service taking wish. This situation is possible with more qualified service given by the foundations offering medical service and being satisfied of the service customers from the service they have taken. In total quality management; various parameters are eff...

Using 36Cl dissolved in groundwater as a monitor of sub-surface neutron fluxes makes it possible to reconstruct information on the U and Th contents of the rocks interacting with the groundwater flow. In particular, the concentrations of radioelements such as uranium and thorium can be evaluated, which are the dominant source of the subsurface neutron flux. This can provide important information in connection with exploration of uranium ore deposits. Based on the results of several case studies from aquifers in cr...

This paper deals with the topic of image calibration and transformation inside the photogrammetric system FOTOM 2008. The calibration module is used for approximate determination of outer camera parameters (position and rotation) with respect to captured objects. An additional transformation is based on similarity of homocentric circles and is accomplished in two steps, which will be described. Variables, obtained from the calibration are used for corrective projection enabling easier measurement of observed objec...

Waste disposal is the biggest humanity problem nowadays. This has been recognized worldwide and we are lucky because waste treatment is applied, at least at developed countries. On the other hand Nature is suffering a lot and biodiversity is reducing rapidly. The preservation and conservation of Nature has leaded European Union to establish the NATURA 2000 network in continuity of Ramsar Convention. In this paper the conditions and the status of the biotopes of the National Park of East Macedonia and Thrace, and p...

UBL is product of international effort to define standard for electronic business documents based on XML without licence fees. Contribution deals with creation of electronic business documents derived from UBL 2.0 for „Order-to-Invoice“ process in Slovak SMEs environment, identification of particular items in business documents and mapping these items to UBL standard with subsequent customization of UBL. Contribution further deals with visual presentation of created documents in MS InfoPath environment in rela...

A summary of abundance, quality and usage areas of the known bentonite occurrences in Turkey has been explained for this study. Bentonite that is one of the most important and abundant clays of Turkey has lower cost in comparison to other raw materials. Turkey has significant resources of bentonite that have been reported approximately 370 million tons base reserve. Also Turkey is one of the leading producers with 950 000 tons per year. Lower cost of bentonite in comparison to other raw materials for various usage...

One of the major concerns in all underground mine excavations is the stability of the stopes, the empty spaces which are created throughout the excavation process. Typically, the mining engineer supports or reinforces the stopes when needed, by means of rockbolts, wire meshes and steel sets. At the same time, a monitoring system based on geotechnical or geodetic measurements can provide against tiny displacements of control targets. This paper presents the application of artificial intelligence techniques, namely,...

Horizontal location and interpretation of gravity anomalies plays an important role in the detection of anomalous bodies and determination of explorative boreholes location. There are various methods for interpreting of gravity anomalies, which commonly use high-pass filters. Among these, Normalized Full Gradient (NFG) method represents the full gradient of the gravity anomaly at a point divided by the average of the full gradient at the datum. This method uses Fourier series to remove deficiencies and eliminate t...

There are selected regions with a certain quality of a situation or a tendency of changes of environmental components. The significantly changes, in these areas are observed at soils, as the basic component of environment at which is man biologically contacted. The significantly chemical degradation of soils - acidification and contamination of soils with heavy metals - in loaded regions – the middle Spis region are showed. The middle Spis region is area at Slovak republic with deteriorated or heavily deteriorat...

On the island of Evia, in central-east Greece, in Aliveri area, the mining operations (underground and surface) caused new and very complex hydrogeological, geochemical and geotechnical conditions. Since the mining operations have ceased since 1990, any plans for the utilisation of the former mining lands and buildings and the de3velopment of the area, demands the knowledge of these new conditions and the supply of sufficient water. A thorough investigation, including water level measurements, pumping tests, chemi...

Natural bitumen (NB) fields development in ecological terms is a complicated and responsible activity for a person. The activities consequence show up as air pollution by different harmful impurities, fresh water and land pollution by oil, bitumen and waste waters(1). Main sources of environment pollution (atmosphere, land, surface and groundwater) in oil and gas producing industry are oil and gas surface and subsurface structures. According to the existing legislation, NB field development project and design pape...

\cCanakkale district, Tuzla region in Turkey houses one of the major geothermal fields of Turkey. Tuzla geothermal field, with its 173 oC temperature is also an important site of weathering and alteration occurrence. Weathering and alteration develops in many different irregular forms and stages in the field. The regional geology consist of volcanics, such as rhyolites, latites, andesites and pyroclastics. Volcanics in the field had been weathered and altered in various stages. Gradual weathering from the outer wa...