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A detailed study has been conducted to investigate the leaching behavior of low-grade secondary type, uranium minerals under alkaline conditions. Uranium mapping analysis indicated the significance of each particle size to the leaching process. Owed to its significance, particle size effects were examined by two different experimental schemes: classical plate agita tion and bottle roll te sting. Other infl uencing variables such as agitation time and concentration of used lixiviants, were also considered. Results ...

The effect of biodiversity on ecosystem func tion is complex and requires understanding of all interacting systems, such as hydr ology, geology and above ground plant diversity of the study area. In this study hydrogeoch emical modeling using PHREEQC was used to investigate the effect external fact ors (nearby river Saale and an underground channel) on the groundwater chemistry of a large grassland diversity experiment (Jena experiment). Groundwater chemical analys is was performed for river Saale and groundwater ...

Plant fibers from wood and agricultural crops like flax and hemp are renewable materials those have a potential for creati ng "green" products and replacing fossil hydrocarbon materials harmful for the environment. Industrial hemp (Cannabis Sativa) is an extraordinary non-toxic, non-narcotic plant and has been used for a wide variety of applications. Hemp contains cellulose fibers and a woody material called shives. In Europe, hemp shives and fibers are increasingly being used in a range of products like textiles,...

We present the results of precious metals leaching from stubborn sulphidic silver-and- gold-containing ore of Kazakhstani deposit Kunisty by complex cyanide в€’thiosulphate solutions in comparison with separate cyanide and thiosulphate solutions in the model and experimental conditions. It is establis hed, that in a range of investigated concentrations 0,03 - 0,1 M, application of complex cyanide в€’thiosulphate solutions leads to change of oxidation-reduction potential of the solutions by 50Г·200 mV. The degree o...

Nondestructive techniques by using electromagnetic waves in many disciplines such as agriculture, engineering geology, material sciences and so on are very important regarding predictions. As it is well-known, material properties can be determined by using electromagnetic waves. The scattering of electromagnetic waves due to physical and geometrical discontinuity is creating surface waves which are still dominant in prediction of material properties. A dielectric sheet on the ground plane will act as a guiding str...

Widespread use of renewable energies is a global priority that must not be ignored. Optimal production and use of renewable energy sources is a necessity. In the current context, characterized by alarming incr ease in pollution caused by energy production from combustion of fossil fuels, is becoming increasingly important to reduce dependency on these fuels. Energy recovery and conservation aim at solutions for a substantial reduction in fuel consumption. In this context we can mention hydrostatic regenerative hyb...

English for Academic Purposes is a necess ity in quite a large number of companies. Compared to General English, English for Academic Purposes has its own characteristics which are taken into consid eration when developing the syllabus. This paper focuses on academic use of English which is required in certain companies as a part of professional development program.

Purpose of the scientific research – Table of contents Research into the chemical parameters for the quality of vegetables. Qualitative and technological evaluation of plant raw materials (vegetables), improvement and optimization of technologi cal processes and systems for controlling the existing qualities to produce protected and high quality food items. In order to conduct an analysis of vegetables in the region of Mitrovica for Pb, Zn, Cu, and Cd metal content, the ripe samples will be taken from at least t...

The policies for social responsibility in th e frame of environment protection is not exclusively related to XXI century state, on the contrary, the need to benefit from a healthy environment is a sine qua non demand of all participants involved in current social activities. Although at the individual level, the possi bilities for expression in this respect are not absolute, the representation through the agency of non-governmental organizations can fulfil these targets. The management difficulties, implicitly soc...

Compared with other industries, construction is one of those that actually give contribution to the gradual damage of the environment and is one of the most dangerous sectors in field of occupational health and sa fety. Construction process at the site is not by nature environmentally fr iendly activity and all the s ector is one of the most physically demanding and risky sectors. Many existing researches suggest that construction activity is one of the major contributors to the environmental impacts which are typ...

Nor green business, however, designed precisely to reduce the amount of waste that modern society and its technologies generate, is not entirely trouble-free in relation to waste. This problem also applies to photovo ltaic. The issue of life cycle and the final disposal of modules and materials is more or less long a major role for industry. Total amount of photovoltaic waste in Europe is still relatively small and moves around 3800 tons in 2020, this number will grow to 35 000 tones. Sooner or later it will be ne...

Building environmental assessment systems a nd methods has been introduced in many countries. Building Research Establishment’s Environmental Assessment Method (BREEAM) designated as a first building environmental assessment method was developed in the United Kingdom in 1990. The Slovak building environmental assessment system (BEAS) has been processe d in the recent times . Systems and tools used in many countries were based on the new system development for applications under Slovak conditions. The fields and ...

Introduction And Purpose Environmental environment is defined as “a human notices significance of his/her relation with the envi ronment in terms of hi s/her existence”. In the society, several professional groups are of extreme importance for increasing awareness of subjects and leading to behavi or changes. Environmental behaviors of physicians having substantial effects on public health and education are important for social awareness. This study is conducted in order to assess environmental behaviors of st...

In the business environment the principl es of sustainable business are being progressively more respected. These are activ ities that contribute to minimizing costs, reduction of the load on the environment and take into account social aspects in the company. The main result of this pape r is Quality index of regional business environment, which helped to create the rank of the different regions of Slovakia in the examined area.

The European economy of the XXI century ap proaches new directions of orientation towards sustainability and competitiveness. The achievem ent of these goals is possible on condition that the joint efforts of the Member states’ economies are concentrated, through interdisciplinary and inter-state cooperation. The aim of this paper is to identify the common points of interest of environmental and economic approaches, based on: identifying the latest trends in European research concerning the modern concepts desig...

One-step vapor phase oxidation of aliphatic hydrocarbons over nanosized gold catalysts by using oxygen is carried out. Selective oxidation of propylene to propylene oxide, propane to acetone and isobutene to t-butanol with hydrogen- oxygen mixture in flow conditions is investigated. The reaction occurs at the interface perimeter of the support around the gold particles. The activity of these catalysts can be attributed to synergetic effects between gold and titanium. Adsorption of nitrogen oxide over the so synthe...

The authors point out in this paper that current environmental changes (changes in climatic parameters, air quality, method of land use, cons umption patterns, increased exposure to pollutants, etc.) had complicated the relation between residential and rural external environmenta l adding costs to maintain an acceptable quality of life for residents. The main factors that change the natural attributes of the environment in Galati are: industrial activities (Steel mill, shipyard construction, food and beverage indu...

The authors want to emphasize in this pape r the role of environmental resources in ecotourism. In previous international studies on the motivation of tourists it could be seen which the elements that in terest them are: namely to travel to wild places that provide visual and unique cultural experiences. These tourists are trained and want to know more about the elements sauce as flora and fauna, natural phenomena and unique cultural forms. Activities that they prefer are hiking observing lands capes, birds, etc. ...

The issue deals with a interf erences/ relations be tween protected areas and comunities and administrative system, and levels of interference caused by their specific relationships. So it appears as different studies upon the Carpathian region (Popa, Kern, 2008, Stoica, 2008, Pu ЕџcaЕџu, 2010, Naum, Butnaru, 1983, Chiri ЕЈДѓ, 2009 ). Those relations generated different types of environmental landscapes and dynamic changes in Carpathians area, different spatial sequenc es (Chirita, 2003). not only in the mountain ...

Environmental issues at mining comp anies are so numerous, complex, and interconnected that an ad hoc approach to problem solving is no longer considered effective. The growing pressure from all st akeholders forces these companies to adopt environmental responsibility in all activities. There has a paradigm shift in the attitude of the companies as it switches over from “Passive environmental strategies“ to “Proactive environmental strategies”. In this paper, Integrated Eco Permissions (IEP), incorporated...

Environmental environment is defined as “a human notices significance of his/her relation with the environment in terms of hi s/her existence”. In the society, several professional groups are of extreme importance for increasing awareness of subjects and leading to behavior changes. Environmental behaviors of physicians having substantial effects on public health and education are impor tant for social awareness. This study is conducted in order to assess environmental behaviors of municipality employess and c...

Introduction and Purpose: Environment is multi-dimensional notion that it has cultural, political, economic, ecologic, social and psychologi cal dimensions in addition to nature-related dimension. Impacts of environmental problems and negative consequences of those impacts on the society increases importance of subject’s knowledge, awareness, attitude s and behaviors. Knowledge on environmental views of doctor candidates and arranging education programs accordingly will make contribution to the solution of the p...

Lead-free solutions for protective coatings as an alternative for ecological galvanized steel sheets obtaining were studied in this paper. The lead from zincing baths was eliminated and replaced with bismuth as non hazardous elements. Also other alloying elements (nickel, tin, and aluminium) in zinc melts were added. The making technology of these galvanizing free-lead alloys wa s established in accordance with alloying elements properties. The tec hnological conditions for obtai ning zinc-bismuth coatings with va...

Industrial processes are made obligatory in terms of quality, all under a price/quality ratio to the desired level for the products. Also, it is ob ligatory imposed that the activity to take place in conditions and to be s ubjected to the environmental management: respecting the legislation, to ensure specific conditions , a proper ventilation, noise protection and ergonomics in the field. A key element in implementing ergonomic solutions is the improvement in the field of all the interested f actors. Thus, servic...

Weathearability and/or the performance of the building stones in service are depend heavily on mineralogical composition, fabric, especially micro-fissure properties, and weathering state of rocks material. When cons idering the definition of the k-value, it is possible to say that the k-value can be used for characterizing the weathering state and weatherability of a rock. As decomposition of a mineral result in the formation of new minerals with lower k- value, the k-value of whole rocks is generally regarded as...

Rock mass deformation modulus is an im portant input parameter in any stability analysis in the surface and underground structures. This parameter can be obtained through in-situ tests, empirical relations be tween deformation modulus and rock mass classification, and estimating from back analysis method. Field tests are developed to determine this parameter directly, but these methods are time consuming and expensive. Therefore, some researchers have proposed empirical formula for estimation of rock mass modulus ...

In the present work the GIS technologies is used for the analysis of oceanographic conditions and the estimation of the fishing situation on an example of the catching the saira in the North-West area of the Pacific Ocean. The vector GIS ArcGIS and raster GIS IDRISI was used. The analysis were based on the satellite information about the fields of the sea surface temperatures r eceived from satellite NOAA, the altimetric sea level data obtained from sa tellites Topex/Poseidon, ERS-1/2 and the satellite images of t...

Climate change is a serious threat to the e nvironment. The idea of climate envelope is stimulated by the quest for environmental su stainability. ETFE film is highly regarded as a sustainable material, wh ich together with the air makes the system ETFE pillows. Due to its characteristics, ETFE multilayer systems are suita ble for the construction of climatic envelope in certain areas, as well as highly effective modulators of the environment.

This Article presents a new follow-up Master 's degree course, the European School for brownfield redevelopment, which proposes to prepare graduates - Brownfield Managers - experts in the field of Renewal and Redevelopment of brownfields and "Derelict Lands" in different states of the European Union.

One of the major challenges of kindergartens building in Serbia is how to address the existing variations in the pattern of environmental quality across different facilities. This study examines and compares e nvironmental quality of existing buildings in the service phase. The study explains and confirms that quality of kindergarten implies something about the environmental surroundings, the ecological material and the energy efficiency, both of which promote the health, comfort, aesthetic and emotional wellbeing...

In the new context of European urban and environmental politics, Romania’s small towns must go directly toward sustainability in order to ensure high life quality for their communities on the long term. The smallest urban settlements of Romania are confronted with diverse issues due to the former communist regime, the adaptation to the market economy, the planning policy of the sate and historical environment state. As many urban sustainability assessment methods were developed in lite rature, the present study ...

Contribution work out of the problem for rocks disintegration process operation by rotary drilling, where objective function is to minimize specific energy of the rocks disintegration. Proposed operational algorith m is based on continuous evaluating of associated vibrations, on grounds of current di sintegrated rock is classified to relevant class from classes, which are defined in a dvance. For each of classes are expertness specify parameters for effective drilling. Indi vidual rocks are inte rpreted by associa...

The cement as a building material significan tly affects the environment throughout the whole life cycle. The environmental assessm ent of products should be a factor of importance in term of protection of the e nvironment and human safety. Environmental assessment of type I which determines the criteria for materials and products is the most used evaluation process in Slovak Republic. Cements environmental criteri a within the Slovak eco-lab elling process include the energy consumption limitation for production ...

There are many problems related to pipe network rehabilitation, the main one being how to provide an increase in the hydraulic capacity of a system. Most of the Slovak irrigation pipe networks are branched, which is case elsewhere. A possible approach to increasing the hydraulic capacity of such system s is to convert them to looped networks (thereby providing alternative pathways) and increase their hydraulic capacity with minimum capital investment. In this work authors deal with application of simulation and op...

Concentration of chlorophyll is a parameter that is considered adequate for assessing the trophic state of lagoon ecosystems . Application of a selected system of bioindicators to provide a good qualitative evaluation of th e trophic state of the lagoons and their dynamics; evaluation of seasonal water quality variability and comparison between lagoons; design of respective measures of reha bilitation, with regards to modification of hydrodynamic conditions of the lagoons throu gh regulation of tide currents. This...

Romanian Plain occupies from the geotecto nic point of view, the northern part of Moesian Platform, a platform forming a ri gid block between the Carpathians and the Balkans. Dacian Basin, opened after tecton ic movements, badenian , in the Sarmatian, outside the Carpathian arch, has evolved in a brackish sedimentation environment by the end of the Pliocene, after which was installed a lacustrine environment amid of water body restriction only in the southern pa rt of Romania. The lacustrine system is installed in...

We intend with this work to establish the evolution of some indicators which are significant for the development of the economies of Romania and Bulgaria – two neighbour countries with the same options for the economic and politic development. We shall discover that usually the analysed indicators developed in the same way, but with different rhythms. In order to fi nd out the disparities betw een the indicators of the two countries, we will use the method of the extrapolating by analogy, thus allows us the meas...

Coal mining trucks is failure in accordance with many reasons. As, the size and complexity of trucks conti nue to increase, the equipment failures become ever more important. In this study, maintenance and re pair durations for coal mining trucks are examined by using factor analysis and The Kolmogorov-Smirnov test for two independent samples techniques. These techniques are applied to dataset obtained by six different trucks working in coal mining. As the result of these methods, it was determined that there are ...

The territory of our country in terms of cutting geological consists of different geological rocks of all ages from the Quaternary Neoproterozoic up. Magmata’s, and movement of plates that includes the Mediterranean region in earlie r geologic eras led to large-scale geomorphologic and geotect onic reconstruction of the whole region in general and including the region of Kosovo. The impact of these events in the wider region that exceeds the boundaries of our state led to the formation of provinces metallogeneti...

Hygienic problems and the protection of property against floods have been successfully solved by existing concepts of drainage. However, the way of urban drainage has led to intensification of urbanization impact on hydrological regime of the country. Technologically, environmentally and economically purposeful urban drainage prevents rapid runoff of waste water. New concept s upports such way which resembles natural way of drainage in unstopped floods and which reduces negative consequences of country urbanizatio...

Waste management is pressing harder with the alarming signal warning the industry. The success of local recycling programmes is reliant upon households’ participation. Recycling of solid wastes is considered as the only method to recover the waste generated. In recognition of this, doorstepping approach is used as one the main driver tools towards increasing households partic ipation. This study was based on selected residential areas (different level incomes) within Kuala Terengganu town (Malaysia). Questionnai...

Lajaneh Fe skarn deposit is located in so uth of Shahrood City, North East of Iran. Mineralization is occurred as massive, veins and breccias in the c ontact of the dioritic intrusion with limestone. The dioritic intrusions in Lajaneh Fe skarn deposit display calc alkaline and metaluninous nature with I type characteristic. Tectonic setting discrimination diagrams show that dioritic intrusions in Lajaneh deposit belongs to volcanic arc granitoids (VAG). Negative anomalies of HFS elements like Nb, Ti, Ta and P and ...

In the analysis of geotechnical engineeri ng problems, limit equilibrium methods are often engaged to analyze the forces and model the problem. On the other hand, the rapid development of computing technology has e quipped a large number of methods to be employed in engineering problems, as well as geotechnical issues. These enhancement consequences the popularity of analytical limit equilibrium methods based on computer aid process. Finding the most critical slip surface is a ch allenging global optimization prob...

Color materials are always one of the added particles which are used in textile, Food, drug industries. This is why a part of the wa ste of these industries are infected by these chemicals. Thus, one of major problems for most waste industrial products as well as cities is to remove these color materials having Di Azo in their structure and solvability their cancellation is problematic. This study ha s been done to investigate the efficiency of EC in aqua and determination of operativ e condition and the effect of...

This paperwork makes an assessment of risk failure in defense works against flood located along and perpendicular on rivers , including natural riparian wetlands. Highlighting these areas allow us to ma ke complex studies about the different possibilities of flood mitigation, considering the surfaces and lowering the flood risk. Explanations about the “hazard - risk” scheme are made, with flood analyses in many case studies to propose a computation mode l for risk and management assessment accordingly with the...

The Upper Cretaceous Flysch series between Suhareka and Bajice is developed in the psamitic and brecciaed facies . The relation between them is tectonic, but south of the area a gradual transitio n from one to the other facies has been established. Psamitic Flysch facies is characterized by a constant composition and regular graded bedding on the whole area of its distribution. It is represented by three lithogenous types: limy, sandy and conglomeratic. The limy lithogenous types : is characterized by a fairly goo...

Globalization was the solution for achieving high rates of economic growth to wind underdevelopment. Throughout history, agri culture has grown in momentum of population growth and market expansion. Ov er the past 25 years, performance in agriculture has contributed to overall agri cultural GDP by 2% per year, faster than population growth, which was only 1.6% per year . Agriculture is the very heart of trade negotiations promised the development cycle, to the extent that about 75% of the world's poor live in rura...

At Eastern Taurid , the age of Carbonate rocks, outcroping at soutgh of Yahyali (Kayseri) had been defined as Jurassic-Cret aceous age in previous studies. The unit wich had been named as Köroğlutepesi Limestones in previous studies, outcroping also Eastern Tufanbeyli (Adana) at Gümelek Hill, arround Kayap ınar and İğdebel villages. Foraminiferal biostratigraphy of The sedimantery rocks surfacing at these locationes, hase been defined. Have been get three measured stratigraph ic section in Tufanbeyli region....

In the present paper theme of estimation of forest susceptibility take on degradation was taken. Until this time this problem wa sn’t identified enough in literature (see Kowalkowska i in., 1995). That is the reason why author concentrates on presentation of new proposal of system of estimate forest state. Forests has been analyzed as elements of natural environments (system). In such captivation it is possible to follow co-dependences and interactions individual components between them. The investigative area w...