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Wheat resistance to heavy metals (HM) is an urgent ecological problem and it can limit crop production around the many countries in the world. HM is considered as an environmental factor of the anthropogenous nature which influences growth and development of wheat. New approaches are focusing on using of a genetic pool of wild-growing types of crops as an introgressive genetic material for increasing wheat adaptability to HM. In the model, laboratory tests of HM influence on wheat growth used the grain yield of 20...

Resource Economic Industries are overviewed in the paper as wide productive, commercial, and intellectual activitiesпїЅ spheres that create material basis for human species existence. With respect to their substrate, they are classified into, (1), providing the humankind with nutrition stuffs, referred to as agricultural production or Agro-Management, and, (2), mining, processing, and marketing of minerals and fossil fuels, used as resources for various other industries and for individual consumption. According to...

Geophysical data interpretation methods are very important for the study of the EarthпїЅs internal structure and gas and oil exploration. In this paper we offer a method to interpret gravity anomalies (identification of the local density of inhomogeneities) based on new grid algorithms: a three dimensional density distribution is constructed as grid functions by identified anomalies from the sources split along horizontal layers. Algorithm is based on new grid techniques of 3D gravity inversion. The initial approx...

Due to high quantities of animal fat resulted from leather industry, the necessity of a solution in order to neutralize the negative effects that appear by their discharge into the nature has led to continuous research in order to obtain the most suitable one for solving the environmental issue with energy recovery. Between combustion and chemical treatment, the combustion has been chosen in this study as being the most effective one, by technical and economical criteria. Before this combustion, there were perform...

A hydraulic fracturing job was performed to stimulate gas flow from a horizontal wellbore located in Poland. The whole operation was overseen by means of microseismic monitoring. For this purpose, an array of 12000 geophones was deployed on ground in form of patches distributed unevenly in a region of 4km from the wellbore. The array was constantly recording seismic signals during whole fracturing processed. Such recorded signals can by analyzed to locate, both in time and space, events connected to cracking rocks...

The current hard-to-recover oil reserves in Russia stand for more than 60% of total recoverable oil resources. These kind of reservoirs with acceptable technical and economic indicators are extracted only by applying physicochemical recovery techniques. Thus, an important relevance is given to selection of most effective EOR technology, which is directed to decrease the residual oil saturation in rock formations. Various chemical reagents including composites based on water-soluble polymers are injected both in Ru...

The transportation is the most significant energy consumer. Energy consumption in European Union is supported by 50% from its own sources. This implies the need of fossil fuel replacement by alternative possibilities. One option is application of renewable inexhaustible and clean resources which hydrogen is. This paper deals with hydrogen technology application in order to power experimental vehicle. Other thing is the safety concerning the process of human пїЅ machine пїЅ environment system with respect to hydrog...

Opinions on the potential uses of risk analysis and environmental impact assessment (EIA) are different. Although many experts, researchers, practitioners and policy-makers agree that risk analysis is a valuable tool to inform decisions, they disagree about the extent to which risk estimates may be biased and should be allowed to influence public policies to protect health and the environment and to be used within the EIA process. The quality and value of any risk analysis depends on the adequacy of the data and t...

The main aim of this study was to determine pollution degree of heavy metals Cu, Ni, Pb, and Cd in sediments and mussel shells of coastal province of Bushehr. For this purpose, sediment samples and shellfish were collected in December 2016 from five different stations, including Leylateyn estuary, Schiff Island, Genaveh inlet, Rig and Imam Hassan port and. After drying samples, concentrated nitric and thick perchloric acid were used for dissolution. The presence and concentration of heavy metals were measured by u...

The paper deals with the food and water emergency supplies during the Natural and technologic disasters, or other emergency events. Vital foods are defined. There are many risks related to the organizing of the supplies on government level and also risk related to the behaviour of people in emergency event. There are several main risks that threatens the emergency food supplies. Each of them is connected either to technical factors or human factors or combined. Human factors include stress, behaviour under time an...

The East European Platform (EEP) in Poland belonged to Baltica plate during Cambrian and Ordovician times. Baltica originated as a result of disintegration of supercontinent Pannotia, which occurred during Early Cambrian. Baltica included part of Poland and adjacent areas northeast of Teisseyre -Tornquist zone. This zone is associated with Teisseyre - Tornquist Line, which ran from Scania through Western Pomerania, central Poland to the Black Sea. The Baltica plate originally included also area south-west from thi...

Nowadays, Romanian rural area is facing many problems such as: the lack of infrastructure to support agricultural development, the lack of a program to develop rural tourism, the lack of interest of Romanian peasant towards keeping traditions and developing his vocation that was inherited over time, artificial industrialization in agricultural sector. All these led in time to the current situation which is faced nowadays - a low demographic percentage in the rural sector characterized by a majority of elderly peop...

Earthquakes represent a real threat in Romania. They can cause important damages, loss of lives, socio-economic as well as cultural losses. The National Institute for Earth Physics (NIEP) is the only governmental organization responsible for monitoring the seismic activity on RomaniaпїЅs territory. NIEP provides different kind of information minutes to hours after the occurrence of a significant earthquake in Romania: near realtime information (location, depth and magnitude), ground shaking parameters and maps wit...

Climate change caused by the accumulation of greenhouse gases of anthropogenic origin in the atmosphere is one of the most acute problems of our time. Over the past two decades governments of different countries and international environmental organizations combine their efforts for confronting global warming. At the same time, companies are faced with steadily increasing expectations of stakeholders that require clear, consistent and transparent information about greenhouse gas emissions. This determines the need...

The introduction of the Minister of HealthпїЅs Regulation of 20 April 2010 on the quality of water intended for consumption by people resulted in the duty of testing the condition of water delivered to a consumer. In effect, a change in water quality during its distribution was noticed in many sites. There are many causes of this phenomenon, e.g. water supply system building material, quality of water coming out of the treatment station, failures and processes taking place in the system, for this reason, it is ver...

The Permian sedimentary succession exposed in Sirinia Basin (South Carpathians, Romania) provides a record of mixed siliciclastic-volcanic rocks. The siliciclastic rocks are represented by conglomerate, sandstone and claystone, which are grouped into nine lithofacies (Gmm/mg, St, Sh, Sm, Sr, Fl, Fr, P) occur in a predictable order as repeated fining-upward cycles. Groups of associated facies are arranged into five distinct architectural elements (gravel channels, ribbon-channel, sandy channels, laminated sand shee...

Interfaces of rocks with different mechanical properties influence on seismic stress field appearing in rock mass during the earthquake. This influence may increase seismic load applied to underground objects located near the interface, so it should be taking into account in seismic analysis of the structures. For this aim the problem of elasticity theory about stress state of the ring supporting an opening in the half-plane, which is united with a half-plane of another material is considered. Lengths of seismic w...

The paper highlights the seismicity of the Strei-Hateg depressionary system. This system is situated in the western part of the Southern Carpathians, and consists of two intermountain, post orogenic basins, Hateg basin and Strei basin. These two basins are separated by a threshold. The seismicity is characterized by moderate magnitude with a maximum magnitude of 4 (Mw) (8 September 2013) and by the presences of the seismic sequences. In the area are known two seismic sequences, one in 2011 of 14 earthquakes of 2 t...

There are already numerous attempts to scientifically relate seismicity to a number of precursors in seismologically active areas. There are also attempts to identify phenomena that may trigger the seismic events, especially the high magnitude ones, such as active tectonics or the Sun пїЅ Earth пїЅ Moon gravitational interactions. When studying the ROMPLUS Earthquake Catalogue [1], the time variability of seismicity in the Vrancea zone, characterized by both crustal and intermediate depths earthquakes, the results...

The seismic investigation of buildings is in accordance with two important Romanian Codes, P130/1999 and the seismic design code P100-2013. Criteria for selecting buildings proposed to be seismic investigated/monitored are numerous: seismic zoning of the territory; data on structural system and types of existing structural systems, depending on the material pre and post-1940; the effect of vibration other than from the seismic vibration; location-site; seismic stations and sensors, sensors position/location in a b...

The air traffic in the European Union and operation of individual airports, including service provisions, belong among the most unregulated industries. Free market economies result in keen airport competition, and especially those airports are affected that compete for customers of the same catchment area. Passengers prioritize airports not only because of the quality of the services offered and provided but passengersпїЅ priorities also reflect presentation strategies of airports, as well as their communication a...

There is an increased concern about the constantly mounting amounts of sewage sludge due to different factors, in particular population growth and urbanization. Therefore, besides common sewage sludge disposal, innovative solutions are required, such as by energy recovery. The present research aimed at evaluation of the energy potential of sewage sludge from a Romanian municipal wastewater treatment plant. A viable and sustainable solution for the removal of sludge is the "transfer" of this so-called waste, in pel...

The exploration of shale oil is still the actual problem in the Western Siberia. The Upper Jurassic Bazhenov bituminous strata are widespread here. The Bazhenov strata is perspective shale formation because it has the high quantity of organic carbon and considerable thickness. This region is the most interesting for exploration of shale oil. The object of research are located within the Koltogor-Urengoy paleorift and its fraiming structure. The reconstruction of the tectonic and thermal history of Bazhenov formati...

Authors examined particularities in shelf oil and gas production. Social-economic aspects have been revealed of consequences during underwater production and pipeline transportation of hydrocarbon crude. Volumes of losses from emergencies at pipelines and platforms were analyzed with differentiation of principal world shelf oil and gas production regions. Loss volumes were estimated for the North-Eastern European region with reference to components of hydrocarbon production and transportation systems. Methodical a...

In Poland, beavers have colonised all types of valley landscapes пїЅ from late glacial coastal lowlands and lake districts in the north of the country to upland and mountainous ones in the south. Studies of geomorphological effects of their presence in valleys of small rivers in the Oder and Vistula River basins have confirmed the results of earlier observations conducted in forest zones of North America and Europe. In Polish territory, effects of the changes related to the beaversпїЅ activities have been studied ...

This paper is focused on the simulation using Matlab/Simulink software? of the Photovoltaic (PV) cell/module/array for a better understanding of the power generated under different atmospheric conditions (irradiance and temperature). One diode model and double diode model of a PV cell are also shown in this paper. The simulations could be performed considering both models, but here only the PV caracteristics for one diode model will be shown. The resulting model uses a friendly interface considering the Function B...

The ground serves as an ideal heat source for monovalent ground-coupled heat pump (GCHP) systems. This paper presents a working methodology and develops an analytical model for evaluation of the ground thermal conductivity and the borehole thermal resistance using a thermal response test (TRT). Additionally, this paper uses the Earth Energy Designer (EED) simulation program developed on the basis of the line-source model to calculate the fluid temperature for a case study of the ground heat exchanger according to ...

Sulphate precipitation from mine water as ettringite, Ca6Al2(SO4)3(OH)12пїЅ26H2O, is generally indicated to be implemented as a second treatment step, following the heavy metal precipitation or as a third step, after gypsum seeded crystallization. The whole process may be seen as complicated by the operators, which always prefer simpler flow sheets, with fewer steps and with lower investment cost, but this treatment process sequence is justified by sludge management depending on type and by the economic reasons re...

The aim of the article is to evaluate the Six Sigma method as a tool changing the way energy industry has been managed. It has been based on facts, data and results of statistical analysis. The methodпїЅs task is streamline and continuous development of new, increasingly sophisticated solutions of all processes in a company, particularly concerning the protection of the environment. The philosophy was found to act by a clear identification of a value for a customer as part of a long-term strategy regarding variabi...

The combination of wood-PVC was used for the first time at an outdoor fire test on a reduced scale. From a scientific point of view, there is a strong the need to repeat similar fire test with a combination of materials that occur in the interior of buildings. It opens the opportunity to confront theory with the results of similar tests carried out. The combination of traditional and modern materials in interiors of buildings occur very often. Both wooden and or wood-plastic composite materials are mainly used to ...

The analysis of naturally fractured reservoirs is very comprehensive because of their structure, which includes the matrix of high porosity and low permeability as well as fractures of low porosity and high permeability. The situation is more complex in gas-condensate reservoirs in which the condensate accumulates in the fractures, what prevents them to maintain their base role as the most permeable conduit for the hydrocarbon flow. One of the most successful process to enhance recovery from dual porosity reservoi...

The Lojane arsenic-antimony deposit with its former mine facilities, for a longer period, represents source of contamination with heavy and toxic metals into the air, water and soil. Remains of mine waste in Suvi Potok near the Vakcince village, open waste and concentrate storage pond from the Lojane Mine and storage of reagents and toxins near the Tabanovce village represent source of pollution with As, Sb, Hg, Tl, Pb, Mo, Mn etc., which directly threaten surface and ground water in the vicinity of Vaksince, Loja...

The article is devoted to solving the problems of the receving indicators of agricultural land, which is characterized not only by fertility, but other indicators, defining the status of agricultural land. Such indicators are indicators of the federal monitoring of lands that allow timely identification and application of methods of land management changes in economic activity, which enables you to optimize land use and sustainability of agricultural land. It is shown that one of the basic problems of land monitor...

This paper presents a possible alternative solution to cold a retail center located in Brasov, Romaine. Absorption machines using thermal energy are excellent alternatives to mechanical refrigeration.The proposed solution uses a single stage absorption systems working with LiBr-water. This solution uses the water as a refrigerant which has a null direct impact on the environment (ODP=0 and GWP=1).The proposed scheme is the result of experimental research conducted by a team from the Thermodynamics, Heat Transfer a...

The present paper represents a first for Romania as it aims to empirically analyze the 26 collision cases between military aircrafts and birds registered during 1967 пїЅ 1991. The paper is based solely on the observations made in the above-mentioned period by the Chief of the Meteorological Division within the Romanian Air Force Headquarters between 1990 and 1993 (PhD meteorological engineer and retired commander). This article completes various scientific and statistical studies in the field, which were missing i...

Leaking oil, diesel, gasoline and other dangerous substances transported in large amount mostly on roads and railways affect the soil, rivers and underground fresh water. The fast reaction is necessary in order to stop leaking and to protect the surrounding environment. There are usually no special sorbents at the place of accident, therefore improvised sorbent should be used. Some of natural sorbents are surprisingly effective. Improvised sorbents were experimentally deeply tested in order to find out their chemi...

This study focuses on the source potential distribution within the Menilite Beds (Oligocene) in the Central Carpathian Synclinorium (Silesian Nappe) in the eastern part of the Polish Outer Carpathians. This region of the Polish Carpathians is one of the oldest petroleum-producing regions in the world, where in several folds plenty of oil and gas fields were discovered. The Menilite series contain the best source rocks in the Carpathians: the Menilite Shales, in which the liptynite group with humic components is a ...

We analyze source spectra of 30 moderate earthquakes (M ? 4.0), occurred in Albania during the period 2009-2015, with the aim to estimate their dynamic source parameters. Using broadband seismic records (BB) of Albanian Seismological Network (ASN), along with those from other regional ones, data representative of local tectonics of Albania, are selected. To achieve the displacement source spectra S(f) of S-wave, we adopted the Brune ?-square model, after correcting for instrument response and path effects. Obtaine...

Carrion beetles of genus Thantophilus are an important part of the North Hemisphere ecosystems. They provide valuable ecosystem services by promoting nutrient cycling and biological control of pests. They also regularly occurs on human remains and some of them are established forensic bio-indicators as they could provide valuable information regarding time of death and possible body manipulation. Thanatophilus sinuatus is one of the most common species of necrophagous beetles in the Czech Republic and our goal was...

The Tourism Resort Praid is one of the most dynamic resorts in Harghita County, Romania. In 2006, the settlement was given the title of resort. Since 2006 the resort started an accelerated development and is being affected by a series of new and old geographic risk factors. To determine these risk factors we used the direct observation method, quantitative and qualitative analysis, GIS analysis and representation, and cartographic method. Among these risk factors we will enumerate some natural risk factors like ex...

This study is devoted to the investigation of zooplankton biodiversity and their adaptation to the short growing season of polygonal pond, located in the largest Arctic delta - the delta of the Lena River (Republic of Sakha (Yakutia), Russia). Samples were obtained within the Russian-German project "Expedition Lena" (August 2013, June-August 2014). Investigated polygonal pond with thickets of macrophytes shallow, well-oxygenated, weakly mineralized with low conductivity, slightly alkaline pH. The pond freezes in w...

The atmospheric sound waves with frequencies lower than 20Hz are named infrasound waves. Among the multitude of infrasonic signals that have been recorded and detected during time, some of them have been associated with different natural or anthropogenic sources and the source of many other remaining hidden and unknown. At the beginning of year 2013, a permanent infrasound monitoring system composed by a MB AZEL2007 microbarometer, the digitizer and the transmitting equipment, was installed by NIEP, at Mangalia, R...

In this study are presented and analyzed data resulted from monitoring of ions concentration: NO??, NO?? and PO?пїЅ? in surface waters from Bucharest during 2013 пїЅ 2016 period. The concentrations of these ions are an important indicator of the degree of eutrophication of lakes. The monitored surface waters are formed of 12 lakes rezulted by systematizing of Colentina River. The sources of pollution with nitrates and phosphates are coming from economic activities around lakes, from urban transport, and the initia...

Russia is one of the most important players in the Arctic Zone with significant economic, security and political interests on these territories. This is primarily because of significant natural resources, in particular oil and gas, in the Russian Arctic. The objective of this paper is to define the main prospects of strategic development of the Russian Arctic zone, and to offer socioecological approach to its development. Arctic has considerable strategic importance to the Russian economy. Strategic development of...

The paper examines the various developments regarding strategic management of raw materials on national, European and international levels. The problems linked to this subject are of increasing importance for the producing industry. Thus it is necessary to act quickly and pursue a sustainable raw material policy. The main purpose of this work is to analyze the possibility of fly ash utilization for the road construction and possible application in other industry branches with interest. The methodology used in the ...

The пїЅameli Formation extensively outcrops in Denizli-Mu?la and Antalya (SW Turkey). In this study, the stratigraphy and ostracod assemblages of the пїЅameli Formation was studied. The пїЅameli formation is first defined in the пїЅameli Basin (Denizli) which is one of the grabens formed in Pliocene. The пїЅameli Formation consists mainly of lacustrine sandstone, marl and claystone and shows prominent terrestrial sedimentary features. In the field, the formation was observed as two different facies: Facies 1: disp...

The active stress pattern in the Apuseni Mts area is investigated and studied in relation to the local seismicity and geology. Our analysis is based on several high quality and resolution data bases obtained recently in the context of national and international projects and which refers to digital seismograms recorded by dense networks, parametric earthquakes catalogues and catalogues of focal mechanisms. The reduced stress tensor has been obtained by formal inversion of 89 focal mechanisms solutions. The maximum ...

In constructing the marine pipelines, the concrete weight coated pipes are used to create a negative buoyancy coating and its protection from the external mechanical damages produced by icebergs, trawl nets, anchors, dropped objects. So far, no requirements have been formulated for the determination of the stress-strain state of the concrete weight coated pipes laid using the stinger (S-lay) system. The structural analysis carried out in accordance with the standard requirements does not account for the negative b...

Faults can act both as seal and as pathways for fluid migration and therefore correct evaluation of fault zone properties is one of key element for conventional hydrocarbon reservoir management. Nevertheless, the unconventional plays deformed by faults became increasingly in demand for petroleum industry. Lower Paleozoic sediments in central part of Baltic Basin are considered as potential unconventional shale gas system. Key TOC-rich intervals in the area of interest are Caradoc Sasino Formation and Lower Llandov...

The work is devoted to the investigation of the viscous properties of a nanostructured additive based on sevilene, as well as the evaluation of its structure by the method of IR Fourier spectroscopy on the Shimadzu IR Prestige-21 Fourier spectrometer. The structure of agglomerates of the additive is proposed, which consists of a core-nano-sized particle of aluminum oxide bound to polymers (sevilene) by associative bonds. In this case, a partial restructuring of vinyl acetate units occurs. The absorption band of 13...