Browse

The pre-Caspian basin has been formed from Paleozoic to Cenozoic time and the Kashagan field is situated in the southern part of Pre-Caspian depression in the Southern flung of Astrakhan-Aktyubinsk elevation system of basal complex and associated with Tengiz- Kashagan interbasin carbonate platform. The platform is composed of separate carbonate early Carboniferous blocks resting on the common Devonian (late Fransian-Fammenian) carbonate base. Four of them are: Kashagan, Kashagan South-West, Aktote and Kairan are l...

The metal content of a number of white wines was determinated by inductively coupled plasma optical emission: Cu and Fe. The metal content of white wine samples ranged from 13.6-39.4 $\mu$g/L for copper and 1.6-11.7 $\mu$g/L for iron.

The accurate determination of the platinum group elements (PGEs) in environmental samples has become a particularly important in the past few years with the introduction of new legislation regulating the fitting of catalytic converters to petrol vehicles [1]. The emission of PGEs autocatalysts represents a potentially, highly mobile source of environmental contamination. Pt, Pd and Rh from catalyst degradation are deposited along roadways. Although inert in metallic form, platinum salts pose a real health risk. Th...

Fluorine as one of the most abundant trace elements in coals is released into the air by combustion and pyrolysis of coal. The produced fluorine gaseous compounds, particularly hydrogen fluoride, are harmful due to their toxicity to living organisms and as a source of corrosion of metallic and ceramic materials. Reliable determination of generally very low concentrations of fluorine in coal (ten to hundred ppm level) is difficult. Standard analytical methods require tedious procedures for sample decomposition and ...

Three sour cherries cultivars, Marela, Oblacinska and Cigancica, collected from a south Serbia were evaluated and compered for their content of heavy metals. Inductively coupled plasma optical emission spectrometry (ICP-OES) is widely recognized as a suitable technique for the determination of heavly metals. The content od Cd and Pb are in intervale 0.066-0.399 and 3.466-7.199 $\mu$g/100g fresh weight of sour cherry.

A kinetic method for the determination of 2,4-D is proposed. The method is based on the inhibiting effect of 2,4-D on the Mn(II) catalysis of the oxidation of malachite green with potassium periodate. The method was applied for the determination of 2,4-D in soil samples.

In last years education and literacy of health becomes important in our country and in the world. The flu of H1N1 which appears in 2009 is known that it is contagius and causes sensations around the world. This brings out different perceptions in the society even in the heralthcare services. Determinate the percieve of H1N1 and the level of health literacy for people in the society is an important fact. This study is for to inform undergraduate students about this disease and also determine their level of health l...

The processes of weathering and dissolution of the impoundment sediments have a significant impact on mobility and availability of trace elements such as arsenic and zinc. They can become dangerous sources of contamination for the surrounding ecosystem. The focus of this study is coal ash impoundment near the village Po\vsa, the drainage water contaminating surface waters and sediments of the Kyjov Brook and Ondava River. Results of chemical analysis show significant contamination by arsenic and zinc. Maximum conc...

Five honey samples were analyzed using inductively coupled plasma optical emission spectrometry (ICP-OES). The concentrations of analytes in the digests (seventeen minerals), obtained via optimized dry decomposition of honey samples, were quantified for each honey.

This paper reports the results of electron probe x-ray microanalysis (EPMA) aimed at identification of the modes of gold and silver occurrence in loose sediments of lithochemical stream sediments (LSS) of the Dukat gold-silver deposit in northeastern Russia. Modes of occurrence of major ore elements Ag and Au have been investigated and their chemical composition has been identified. The EPMA technique has been elaborated to measure the composition of stream sediments (minerals) containing silver and gold using the...

With the ever growing urbanisation, crushed stone quarries, which were formerly remote from the cities, have neighboured the cities. On the other hand, the supply of the aggregates that are necessary to be used for the infrastructure of the cities has to be close to the cities. This necessity results with the consideration and evaluation of the crushed stone quarries in terms of their environmental impact. In this paper dust emission measurements of a stone quarry close to the city have been carried out by conside...

To allow a truly in-situ elemental analysis, an Australian resource company commissioned the development and building of a down-the-hole deployable ED-XRF sensor. The instrument was designed to be deployable up to a depth of 30 m for drill holes of varying diameters as well as being run in a bench-top mode. Following the development and upon commissioning, the ED-XRF system was investigated in the laboratory for its suitability for use in the Iron Ore industry by using well characterised crushed iron ore samples, ...

Brief Development of tunnel would be partially through flotation tailing dump and partially through rock massif. Krivelj`s river stream would be regulated by new tunnel, because the old manifold could be destructed. Project No. 17004 (2008-2010) Ministry of Science and Technology Development explored all aspects of the environment in which the new tunnel is designed (primarily engineering-geological, hydrogeological and petrology features).

The aim of this study is development of design equation for batch-recirculated reactor at photooxidative removal of C.I. Acid Red 17 (AR17) as a model contaminant from textile industry with UV/H2O2 process. Reactor which used is a combination of an annular photoreactor with UV-C lamp emitting at 254 nm from center of photoreactor and a continuous stirred tank reactor (CSTR). Design equation developed by combining of the mass balance and rate equation. This equation predicts that pseudo-first-order reaction rate co...

Building industry is the most important market for energy by-products (EBP) - fossil fuel combustion products. The North West Bohemia region has been influenced by open pit coal mining. Fossil fuel combustion products are used in bulk at damaged territory reclamation. Check observation – monitoring – site of building reclamation mixtures on coal combustion product base was assembled according to preparatory documentation as a part of the solution of research task “Research of the physical and chemical proper...

In this study, linear quadratic regulator (LQR) and fuzzy logic (FL) controller are designed for displacement control of elastic structure under seismic excitation. MATLABВ®/SIMULINK toolbox is used for the mathematical modelling of the system and controllers design. Controllers are applied to the structure, components of which are assumed that they have standard stiffness and damping coefficient, to suppress seismical vibration. A hydraulic actuator is used as the control device. Dynamic of the actuators to creat...

For all territory of Kosova during 1966 – 1982 were compiled geological map sheets at scale 1:100 000 and description texts. During 2005 – 2006 ICMM had projects on compiling Geological map at scale 1:200 000 and digitalization of geological map sheets at scale 1:100 000. Projects were realized by Beak Consultants GmbH and in close corporation with geology staff of ICMM. During map digitalization were observed some discrepancies between some map sheets. In order to verify exacts description, during 2005 were o...

Due to its intensive data processing and highly distributed organization, the multidisciplinary Earth Science applications community is uniquely positioned for the uptake and exploitation of Grid technologies. Information and Communication Technologies have proven to be key instruments in activities targeted at protecting the environment and its integration in sustainable development policies. Grid computing capabilities are powerful tools to manage large volumes of Earth observation data and provide the Earth Sci...

In this study, analysis and visualization of map projection distortions have been discussed. For the realization of the distortion analysis in practice, an auxiliary program was developed by MATLAB program, to calculate the amount of distortion. At the stage of the calculation of distortion the world map projections have been focused on and equations of these projections have been used. The points of interest were chosen as the intersection points of the geographic network of the original surface. 5ox5o geographic...

Drought is a stress factor that cause of limitation life activities and effects the vegetal production. Plants are the most important source that feeding necessity of the human population who increase rapidly. Drought stress, heat stress and heat shock, low heat and freezing, salinity and oxygen deficiency are the main stress factors that lead to plant growing. Because of these stress types, the biological mass and yield of plant usually decreases under of genetic potential at the end of growing season. Drought is...

In the context of global environmental crisis being experienced, it has become an obligation to take urgent measures and have environmental awareness for both the nations and the enterprises that are the basic dynamics of the society and indispensable components of the economic life in order to achieve sustainable development. In recent years, it has seen that the comprehension begun with the pollution control in 1970s has been transformed into the comprehension named clean production consisting of the application...

Ecological awareness today is necessary in the last decade, the nature is degraded as a result of over-using resource for completely the fulfillment. Macedonia is aspiring to become an EU member state and in this aspect environment requirements have to fulfilled. The ratification of international environmental conventions and their incorporation in Macedonian legislation will help to have better place to live. In this pare work ecological awareness is analyze in the Environment Laws, an another point of view, how ...

Current management of phosphate-bearing resources (mainly rock phosphates, RPs), which in fact are finite non-renewable sources, is quite far from the principles of sustainability and may cause an escalating price increase mainly because of increases in RP-processing costs. One of the most studied approaches in solubilization of insoluble phosphates is the biological treatment of phosphate-bearing materials. In this work, we propose a microbial extraction of phosphate from insoluble inorganic natural sources as a ...

The objective of this paper is to examine the foundations of green marketing in the existence of a market for organic products. We examined the environmentalist consumption behavior because without consumers interested in organic goods we can not talk about environmental marketing. Because of public awareness regarding the environment, companies have adapted, introducing in their vocabulary terms like "green markets", "green consumers", "green products" and practicing green marketing and environmental marketing. T...

Partial decomposition of an organic compound can lead to the formation of products, which are more toxic than the parent compound. Organophosphorus pesticides (OPPs) are transformed into metabolites of lesser molecular weight in ozone application Toxicity assessments of both organophosphorus pesticides (OPPs) and their ozonation byproducts (OPPs-oxons) are necessary for safety consideration of ozonation treatment. The widespread use of OPPs, such as chlorpyrifos and diazinon for pest control in urban and rural env...

This paper deals with the effect of the addition of lead nitrate and ultra-fine grinding on the cyanidation of an antimonial refractory gold and silver ore. The results indicated that the recovery of gold was enhanced by 10\%, but, silver extraction did not improve with adding lead nitrate or increasing its concentration. Fine grinding (e.g. down to-5$\mu$m) did not produce the desired effect on the extraction of Au and Ag.

Abrasive waterjet machining (AWJ) with its wide ranging applications, offers a variety of advantages. It is very effective in machining materials which are hard to machine such as steel, composites and stones etc. The efficiency of the cutting process depends on several factors (e.g. hydraulic, nozzle and cutting). Kerf geometry, depth of cut, surface roughness and material removal rate are often used as target parameters. Although, several researchers studied the influence of process parameters on different mater...

The presentation work contains the analyse knowledge, which were obtained from analysis the results, which were attained on the laboratory sintering pan. On this laboratory sintering pan are sufficiently simulating conditions, which are present in the sinter band. On the basis of the theoretical analyse, analysis measuring data, computing of the balance, production, qualitative and quantitative parameters of the sintering process we can conclude, that in the case of changing underpressure sucking air are influence...

Water quality is one of the most important element for life support and contribute at the sustainable develop of human society. Following the technical and economic transformations taking place in industry, waste water remediation system required new approaches to management in this area. It recorded an increase in the variety and complexity of the types and quantities of waste generated in the last years and for administrated this situation are necessary new methods and equipments of waste neutralisation or trans...

The production of the agglomerate is always related to the consumption of energy, occurrence of solid polluting substances and emissions, which are the main source of air pollution. The submitted work contains the analysis of knowledge obtained from the literature, but mainly analysis of the results gained from the laboratory sintering pan. This laboratory sintering pan sufficiently simulates conditions present on the sinter belt in relation to the production of CO, CO2, NOx, SOx and solid polluting substances in ...

In 2009 engineering geological zoning of the riparian area of the town of Ruse, including the Danubian bank, the low floodplain terrace, the loess slope and the terraces T3,4, was carried out by the Geotechnical Research Station. The ports, the park, the Sextaginta Prista Roman fortress, the central urban part with impressive architectural ensembles and part of the West Industrial Zone are found in this area. The investigations were conducted within the frame of a contract with the Ruse municipality. Since the ori...

Industrial activities have the direct goal to help increasing the quality of life of the population. Beside positive direct and desired effects of industrial activities these have also negative, undesired and sometimes unthinkable effects on the environment and society. Especially mining based industrial activities have several unwanted impacts on environment, but not only on environment. With the goal of assuring the sustainable development of our human society it is therefore necessary to evaluate industrial pro...

Methane emissions released into the atmosphere during coal mining, exerts a double environmental impact, namely they participate to the ozone layer depletion process and, simultaneously, they have a significant contribution to the enforcement of the greenhouse effect. On the other hand, this methane can be used by the mining operators, as main or ancillary fuel resource for energetic purposes. Until now, in Romania an overall energetic potential study was not systematically carried out, regarding the hard coal bas...

Helth, Safety and Environmental management program is a dynamic program prepared to exploitation oil and gas offshore. This project program is prepared to accorded ISO standard and Romanian Standard and regulation. This program is following action: proactive programs for the health and safety, identify the source of pollution,-Plan to reuse and recycling the disposal materials,-Enhance the safe management of Naturally Occurring Radioactive Material in processing plants, - Prevent environmental pollution form the d...

Kosova is a country rich in coal, mainly lignite type and regarding to the reserves, it is ranked in the fifth place in the world. Estimated resources of lignite are average 12.7miliard tones, which are distributed in three main basins (Kosova, Dukagjin and Drenica). Approximately 50\% of entire country natural resources constitutes this type of coal. Thermo energetically installed power is 1478 MW , and lignite supply is from open pits, Mirash and Bardhosh with the use of lignite capacity of 16 million tones per ...

The article briefly characterizes a web service for thermochemical calculations in term of its implementation and provided methods. It specifies web service error conditions and their dependency on input parameters as well. The article closely deals with a two approaches aimed at solution of error conditions. The first approach is based on exception utilization. It defines fault in WSDL file, describes fault structure in XML schema, creation of exception on the web service side and exception processing on the clie...

The Earth climate has been changing during recent decades towards increase of global surface average temperatures. The process is known as “global warming”. The causes for this climate phenomenon have been globally disputed but most of world scientists participating in the Intergovernmental Panel on Climate Change agreed on the fact that human industrialization has a major impact on this process by emitting additional quantities of greenhouse gasses (GHG) called anthropogenic emissions. The world nations have ...

The monitoring of gravity changes in a region enables the investigation of regional structural elements depending upon the changes in mass compensation. Especially the microgravity method, which is preferred in recent years, yields good results from different part of the world. With the addition of GPS/GNSS monitoring to microgravity studies, the behavior of a region both in the lateral and vertical directions can be estimated. Besides, the main fault system and the mechanical links can be determined owing to this...

Quartzite which is used in glass industry as raw material includes useful and harmful components. Grades of SiO2 (Silicon Dioxide) the useful component and Fe2O3 (Iron (III) Oxide) the harmful component effect the product quality significantly due to the method of glass production. Furthermore, it’s necessary to determine grade distribution of quartzite ore body, to gain optimum benefit from the ore body that assessed by quality distribution. It is required that to mix high grade and low grade ore bodies togethe...

This study presents an evaluation of the Egyptian quartz deposits from Marwit Rod El- Leqah area in the Eastern Desert of Egypt. These deposits are considered as a potential source of high-purity quartz (HPQ) for use as raw materials for special applications in high- technical industries. Geological description, whole-rock geochemical analyses of representative samples, study of thermal behavior of quartz through differential thermal analyses and measurements of some petrophysical properties of the quartz deposits...

SME is the most numerous and important business, performing multiple economic technical and social functions. After Romania joins the European Union came into force many acts and a large part of their obligation regulate business (in competition, consumer protection, labor relations, health and safety at work, environmental protection, etc.). It is therefore very important to know the level of information of the Romanian SMEs in relation to regulations introduced after 1 January 2007.

Remote sensing techniques were used to detect the heat islands over the Romanian region, based on multi-temporal Meteosat Second Generation, Land Surface Analysis Satellite Applications Facility/ Land Surface Temperature products (MSG LSASAF/LST). A method was proposed for the rapid and accurate mapping of heat island areas based on the combinational use of normalized land surface temperatures. In order to do it, the IDL routines developed locally have been used. It was studied 2976 LSA-SAF/LST images acquired dur...

Investigations of explosive consolidation technology of nano sized Al, ultra-disperse Ni and Ti powder compositions are discussed. The mixtures of ultra-disperse Ti (Ni) - nano sized (<50nm) Al powder compositions were consolidated to full or near-full density by explosive-compaction technology. The emulsion and ammonium nitride based industrial explosives were used for generation of shock waves. To form ultra-fine grained NiAl and TiAl intermetallides with different compositions, ultra-disperse Ni and Ti particle...

In order to prepare minimal feature vectors to be used in a Content Based Image Recognition (CBIR) system, we are proposing methods that can accurately identify the main colors contained in a digital image. The methods use the “LAB” color space properties that allow for all the colors of the same intensity or luminance “L” to be placed uniformly in the same “ab” plane. Basically, RGB images are first preprocessed: trimmed, scaled and transformed in the LAB color space. Then (a,b) pairs, corresponding t...

The authors while examining the real estate market for estimating the market value of real estate have defined the areas directly affecting the state of the ecosystem. Using a very simple and inexpensive test, they identified anomalies at the fiscal level of state and estimated negative effects of legislation on the ecosystem. The main research tool was a comparative approach in estimating the value of the property.

In this work, samples were taken from Koyunagili Lignites Company Washing Plant feed and were subjected to extensive research to determine the floatability of lignite fines. The optimum conditions of flotation were determined under the laboratory conditions by using a laboratory type Denver flotation cell. In the flotation experiments particle size distribution, collector type and amount and dispersant amount were tested as variables. After flotation experiments, at optimum conditions, 53.91 \% of the sample was f...

Edirne, which is one of the bigest city in western Turkey (Figure 1), has been damaged by floods and flashfloods with an increasing frequency and intensity over the years. This study was prepared as a preliminary investigation and aimed to research the floods and flooding in Edirne city (Turkey). For creating the topographic database in Geographic Information System (GIS), 1/25000 and 1/250000 scale topographic maps and satellite images was used. Subbasins areas of Meric River and flood area in Edirne city center ...

Association Quercetum trojanae dukagjini in Kosovo as relict and refugial phytocoenosis is preserved only in some specific localities: near Pashtrik, Koritnik, Oshlak and some individuals in complex of Carralevas Mountains near Theranda. The altitude of these grounds is from 300 to 900 m (1000 m). Geological composition is made of limestone rocks. The pedological cover is red earth (terra rosa). The phytocenosis is under the Mediterranean climate, which comes through the valley of the Drini i Bardh\"e River. Phyto...

The goal of the work was verification of floatabilty of bituminous coal from mine Staszicz with different collectors (Flotalex and Montanol), which are generally used in coal cleaning plants in Czech Republic and Poland. From the flotation and petrological results follows that floatability of given coal is approximately equal at Flotalex and Montanol application.