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In the zones of boreholes drilled to explore and extract hydrocarbons uncontrolled migration of gas to soil environment and therefore to atmosphere may occur. Such phenomena may be related to insufficient tightness of the rock mass or poor technical condition of the borehole. Due to the occurrence of potential risks to the environment and human health and life, a set of constant monitoring probes was designed and tested. Location of six permanent monitoring probes were based on the results of surface geochemical s...

The research was carried out in the western part of Romania, in Belin?, a commune located in the N-E area of Timi? County. The climate is temperate continental, with an average annual temperature of 10.6°C, the heat regime being favourable to the sweet corn crop. The average annual rainfall value of 605.5 mm provides relatively good conditions for the crop under study. The type of soil is a Eutric alluvial soil, fine-grained sandy-loam/medium sandy-loam, on rough fluvial materials, with a pH of 5.80 in water, and ...

The automotive industry is today a sector that significantly influences and at the same time develops other sectors of the national economy such as engineering, metallurgical, electrical, chemical or construction industries. The paper deals with the possibility of recycling recovery of selected components from vehicles over their lifetime. The authors focus on the components of external vehicle lights (front lights, rear group lights, front fog lights, side direction lights, branding light). It presents its own re...

The work presented in this article is based on the formulation and research of the mechanical and thermal properties of self-compacting concretes (SCC) made from the cement industry waste. This waste is of high alumina, finely ground and incorporated as filler. Mechanical testing in compression and in tension by splitting has been performed and that in the compare to control concrete specimens. To examine the performance of our concrete at high temperatures we have introduced two sample a concrete witness and the ...

In this paper are presented some researches concerning the recycling process of Co-Cr powders that is used by the sintering process DMLS. Direct Metal Laser Sintering process is an additive laser manufacturing technology and is used in different domains like tooling, aerospace, medicine and auto. In the tooling domain, Co-Cr alloy powder is sintered by DMLS process, using a Phenix Systems machine, for obtain different mold prototypes. Co-Cr alloy powder presents good mechanical and corrosion properties. The SEM an...

In this paper, a map zonation of landslide hazard and mass movements risks at the Goloord area (north of Iran), using Analysis Hierarchical Process (AHP) was performed based on the parameters of slope, slope direction, elevation, rivers, precipitation, faults, roads, geological unit and land usages. For optimization of the various parameters? effect that would lead to landslide occurrence, the effect dimensions of each of these layers were applied and the zonation of landslide risk in the region was mapped. The AH...

The internal arch of the Eastern Carpathians is a well-known area of mineral water occurrence. The combination of the post-volcanic phenomena, in terms of CO2 emissions (mofette) and water bearing layers lead to the formation of numerous mineral water springs with several locations where the mineral water bottling started more than 200 years ago. This study deals with the assessment of hydrogeological conditions, both hydrodynamic and hydrochemical, in such a particular area ? Lower Ciuc Basin. The main purpose of...

Nowadays, with the increasing construction of buildings, we can increasingly encounter ventilated facades. These structures gain space thanks to new anchoring materials and methods, but also their wide application in terms of architectural requirements. They also improve the thermal properties of the outer walls. The air gap layer helps with the continuous removal of moisture from the structure. And last but not least, the structure of ventilated facades very effectively contributes to increased noise protection. ...

Background: In recent years, researchers are increasingly interested in plant raw materials containing phenolic compounds, including flavonoids, due to their harmlessness and a wide range of biological activity. In plants and biological fluids flavonoids are found mainly in the form of a variety of glycosides. One of the most promising plant sources of phenolic compounds is Oxytropis glabra Lam.DC. In this regard, the issue of rapid and qualitative assessment of biologically active substances in medicinal plant ra...

This paper analyzes the presence of major employers in the core cities of bi-centric Hradec Kr?lov? ? Pardubice agglomeration which are the main sources of economic potential for the entire agglomeration area and important location in terms of GDP generation at national level. The presence of the different economically active entities also significantly influences the numbers of inhabitants not only residing in the agglomeration but also migrating there for work. Due to this facts both core cities face the issue o...

Environmental monitoring systems in the cities existing in modern cities allow to control the state of natural (technogenic-natural) systems according to their programs. But it is not possible to receive an information for some special locations despite their significance ? this is a case of the RUDN-University campus. For these purposes an initiative group organized a special monitoring project for the campus. One part of these monitoring program is a control of the soil air quality. This is a one of the most rep...

We analyze the impact of tectonics on the geomorphology of the rivers valleys, in Albania. Interaction of several factors, predominantly tectonic ones, has played a major role in this respect. Tectonic, climatic and erosional factors have affected the formation of several levels of Quaternary terraces, during the Pliocene-Quaternary period, of the latest Alpine folding phase. Nine levels of terraces are evidenced so far, some of which dated based on radiocarbon 14C and cosmogenic 10Be methods. Active tectonics is ...

The theory of Eco-Economy (Ecological Economy) as a concept proposed by Lester R. Brown emphasizes the importance of ecology and environmental protection in supporting the sustainable development of humanity as a warning signal for the limited earth resources. This concept refers to a long-term economy without affecting its own support system (environment). Another paradigm, Eco-Bio-Economy, appears as a scientific, economic and psychological endeavor that brings the vision of sustainable development of human welf...

Pd-catalyzed reactions are one of the most widespread in fine organic synthesis. For example, selective hydrogenation of alkynols is used for production of a large variety of terpenoids and also fat-soluble vitamins. The challenge in hydrogenation of triple carbon-carbon bond using Pd nanoparticles (NPs) is to provide high activity, selectivity and stability of catalytic system. This work is devoted to the investigation of the influence of the type of anion (OH-, CO32-, PO43-), which was introduced in the catalyst...

Goal. To consider the main environmental problems of the region, the directions of their solution and the financial and economic indicators envisaged under the federal law «Environmental Protection» and the corresponding regional program on the example of the Leningrad Region. Object of research is the methodology of the analysis and management of financing of actions at the state and regional level in the sphere of ecology for the purpose of identification of financial priorities in the field of environmental pol...

The oil production in Russia will be gained due to the field development in the Northwestern Federal District, Siberian Federal District, and Far Eastern Federal District. The remoteness of natural gas consumers from these Districts stimulates the development of pipeline transportation. A long range of pipelines and climatic and geological conditions result in toughening up the requirements for their reliability and lifetime improvement. Giant oil-gas condensate fields that have been discovered for the past few ye...

In special applications it is necessary to correlate the obtained data about the state of a process in which the Joule effect is involved by passing an electric current through a conductive material. The multiplier effect due to increased resistance with temperature may require particular attention in monitoring the process, thus requiring automatic decision-making processes so that the modification of the conductive material properties does not affect the entire chain of the process. We propose a system for monit...

The article is devoted to the problems of the agro-industrial complex of the Republic of Mari El, which are necessary to ensure sustainable economic development of the region in the future. In recent decades, the agro-industrial complex has been identified as the main, priority direction of development, stimulating growth. Nevertheless, the situation with the innovative activity of agricultural producers in the region continues to deteriorate. Therefore, modernization, based on the digitization of production and s...

The priority of the manufacturers and production companies is to improve product quality and reduce the cost of manufacturing. The resulting quality is often strongly influenced by the heat treatment of the product. The creation and implementation of mathematical and simulation models is an effective tool for studying of the thermal processes. We can use the simulation models at the construction of new but also in the reconstruction of existing thermal aggregates. In addition, from simulation studies, we can choos...

In 2014-2018, scientists of Riga Technical University (RTU) have updated the hydrogeological model (HM) of Latvia. Its current version LAMO4 simulates the steady state average groundwater regimes. The commercial program ?Groundwater Vistas 6? (GV) is used for running LAMO4. Unfortunately, the GV graphical programs cannot provide correct profiles on hydrogeological data that are obtained by HM. In 2014, the first RTU results were reported on creating profiles for groundwater heads and infiltration. Since 2014, the ...

Analysis of the variability of the density distribution of joints within karsting dislocated rock formations helped to highlight the heterogeneity of the structure of massif on different levels and to predict development areas of karst, karst-erosion, disjunctive forms according to the degree of fragmentation of rocks. As an example, the results of the graphical interpretation the data of tectonic joints fixation in the layer of carbonate rocks within the West Ural zone of folding (Russia). The distances between t...

Explosive risk occurs in all activities involving flammable substances in the form of gases, vapors, mists or dusts which, in mixture with air, can generate an explosive atmosphere. As explosions can cause human losses and huge material damage, the assessment of the explosion risk and the establishment of appropriate measures to reduce it to acceptable levels according to the standards and standards in force is of particular importance for the safety and health of people and goods.There is no yet a recognized meth...

The sessile oak is the widest spread species of all autochthonous oaks species in Romania, forming a lower level of vegetation. The purpose of this study is to analyze the variability of leaf nutrients, as well as of soil nutrients, for two sessile oak stands situated under different forest site conditions. These two stands are located on the same type of soil: luvisol. As such, four soil profiles were realized for analyzing soil properties. Leaves samples were collected from twenty sessile oak trees, during three...

The indoor climate of buildings is one of the most important components that directly affect human health, well-being, and then the work performance of each of us. We are witnesses of the past and the present when we are experiencing so-called sick building syndrome. At present, however, an extraordinary emphasis is placed on building assessment from the energy saving point of view. The era of homes with almost zero energy consumption is beginning. To meet this requirement, attention must be paid not only to energ...

Air pollution is one of the most important problems of the contemporary society. One of the vital reasons for bad air quality are particulate matters and gases, generated by municipal and household sector, coming from coal-fired boiler houses and heating stoves used in houses. This source of pollution is named as low-stack emission. The situation is especially difficult in the regions of high population density, such as South Poland. In this region air belongs to the most polluted in the European Union. The concen...

Recently the ecosystem services (services) have been increasingly considered in ecology and soil along with ecological (biogeocenotic) soil functions. This approach is justified by the need for a comprehensive assessment of soils, including the economic one. In laboratory and field experiments, the pollution of ordinary chernozems with heavy metals and oil has resulted in oppression of biological properties of soil: activity of catalase and dehydrogenase, abundance of the Azotobacter bacteria, the germination and ...

The development of the world oil industry shows a significant growth of interest to the super-viscous oil deposits. One of the technologies for extracting super-viscous oil is Steam-Assisted Gravity Drainage technology, which has been developed in the 1970s and is still used, including in the Republic of Tatarstan, Russia. Determination of the direction of steam chamber growth, the main operating factor of this method, is the main task of modeling heavy oil deposits. In this paper authors propose modeling of the h...

The thematic deals with the development of data model for the sustainable management of mineral resources in Slovenia. In the paper the design of the conceptual, logical and physical data modelling is presented, and as its result, an entity-relationship (E-R) data model shown. The transfer of archive data to computer environment and the construction of final application allow the user a simple overview of data and various analyses of them. Data model of mineral resources of Slovenia comprises over a hundred tables...

The article is devoted in the short history of formation of landscape in Moscow Meshchyora National park, its modern using of resource and perspectives of possibility of restoration. The territory of the Moscow Meshchyora National park locates on the flexure of the crystalline foundation of Russian platform of Moscow syneclise. The Jurassic clay, sand, silts (thick massive 20-40 m), has been made up sediments, which were formed the conditions of the warm sea. The Pleistocene glaciers occupied the North territories...

During the extraction of minerals in underground mines or surface mines all material extracted must be transported long distances. This transport is usually done using belt conveyors. For the transport of rocks to a mine disposal site, a combination of multiple belt conveyors is necessary. This material must be poured from one belt conveyor to another. At the places of transfer, the upper protecting layers of the conveyor belts are often damaged due to the impact of the material. This deterioration of contact laye...

The purpose of the present study, included in the research project SECOSUD Phase II, called ?Conservation and equitable use of biological diversity in the SADC region (Southern African Development Community) [1], is to describe the existing baseline situation in term of geological and hydrogeological conditions of the Kruger National Park, providing a starting point for understanding the water resources status quo, potential hydrogeological issues and concerns to assure a sound and correct water resources manageme...

Since ancient times to present, grapes have been important to man, as they were considered to be healthy food due to their phytonutrients: polyphenol antioxidants, vitamins and minerals. The preliminary researches highlight the health-related benefits of red grapes, due to their antioxidant, antiseptic and anti-inflammatory properties. Starting from this information, compared researches have been conducted so as to highlight the evolution of some biological, technological and biochemical properties of three variet...

The machines used in hard coal mining must exhibit very good technical, safety and reliability parameters. These parameters determine their efficiency, operational safety and effectiveness of the entire production process. The last several decades have seen increased mechanisation of the mining process. Increasingly more cutting-edge and efficient machines have been used for this purpose. Attempts have also been made to partially or fully automate the process of mining. The concept of an ?intelligent? mine has com...

In recent years the interest in supercritical fluids is growing. The transition of water into the supercritical state occurs in a closed volume when it reaches the temperature of 374°C and the pressure of 21.8 MPa. At that, the boundary between liquid and vapor disappear a new state of water has a low viscosity and a high diffusion capacity. To analyze the bituminous oil in supercritical water with ultra-dispersed magnetite particles andcaustobiolith. Experiments conducted in a closed reactor under conditions that...

Modern socio-economic systems, as objects of management, are complex spatially distributed systems and territories, which indicates the need to develop and apply geo-information management. Natural, man-made and social processes of territory development unfold in time and in space and are characterized by a variety of parameters described by a random vector. The components of the natural and climatic potential are random non-stationary processes, the study of which leads to the necessity of forming, according to t...

The article is concerned with underground and pit water hydrodynamic regime during Shumicha deposit Kizel coal basin storage underground treatment and after closure and inundation of self-titled mine. On the area of the deposit a heavy fissured-karst water level of Visean and Serpukhov stages carbonate deposits, fissured-stratal water complex of Visean stage coal-bearing series and fissured-stratal and fissured-karst water complex of Tourian stage of the lower carboniferous are developed. In vivo rivers Kosva and ...

Currently one of the most worldwide significant tendencies is global warming. The greenhouse effect connected with increasing emissions of technogenic gases into the atmosphere is considered to be the main reason of global warming. Greenhouse effect has negative impact on environmental footprint. At the present time the mankind is obliged to take into consideration an ecological factor and make decisions to reduce ??2 emissions into the atmosphere. Up to date there is enough world experience of implementing projec...

New hybrid materials based on copper nanoparticles stabilized in an ultimately biocompatible chitosan matrix were prepared via metal vapor synthesis. Transmission electron microscopy shows that the particles have predominantly spherical form, polydisperse character, the mean diameter about 2-4 nm and a rather uniform distribution in the chitosan matrice. X-ray photoelectron spectroscopy of Cu-carrying chitosan powder obtained by impregnation of chitosan powder with Cu-acetone organosol indicated two oxidized coppe...

In this paper, the principle of constructing an adaptive biomechanical model of the spine is described, which allows modeling damage to the spinal segments, spinal cord and nerve roots, as well as taking into account the perception and tolerability of pain. Adaptability of this model is achieved due to the possibility of introducing individual parameters of a particular segment (geometric dimensions and spatial coordinates of the elements (vertebra, intervertebral disc, nerve roots, spinal canal); modulus of elast...

Natural sources can contribute with significant radiation quantities toward the total radiation exposure that humans receive. The majority of this natural radiation is harmless to humans in the ambient environment. However, radon, a large component of the natural radiation which humans are exposed to, can pose a threat to the workers health when radon gas accumulates in poorly ventilated occupational settings. Radon is the most hazardous natural source of radiation. Even if it is an inert gas, having no color, tas...

Effective territorial organization of Moscow and the rational use of its territory are impossible without taking into account the natural component of the city as well as the properties and potential of the landscape complexes that integrate all natural features in specific areas. The formation of the ecological framework of the city is particularly important. It should be a single system of interrelated and complementary components that make up a single environmental space: habitat-forming cores (junctions), ecol...

The pressure regulators used in underwater breathing apparatuses determine the respiratory comfort of the diver. Our study focuses on the turbulent flow of gas through the series of valves and nozzles that are component elements of a pressure regulator. The pneumatic resistance, induced by the mechanism that controls the dependence between the air flow rate and the pressure differential created by the diver?s air intake, influences to a notable degree the breathing effort. The second stage of an underwater regulat...

Waste poses a growing problem is the contemporary world. The volume of household waste per resident continues to increase at a staggering rate. In line with the EU requirements, growing proportions of waste should be recycled, and Poland is expected to recycle 50% of its entire waste stream by 2020. Biological waste can also be recycled, but the recovery rate for this waste fraction is close to zero in Poland. The above applies particularly to biological waste from households. The quantity of OFMSW generated by a ...

Carbonate rocks, bearifng the majority of world?s hydrocarbon reserves often exhibit variable lithology. In carbonates, different proportions of calcite and dolomite, accompanied by other minerals can be expected. Dolomitization of carbonate rocks usually leads to porosity enhancement, since dolomite crystals occupy smaller volume in comparison to calcite. This paper considers the integration of Alizarine Red S staining method and image analysis in order to qualitatively state the content of both calcite and dolom...

Agricultural lands are one of the foundations of the country's food security. Recently, the problems of management and efficient use of the agricultural lands have become widespread in society, science, and the political sphere. A characteristic feature of the current state of the agricultural lands is the transformational processes taking place on them. This article discusses the approach to studying, monitoring and controlling the transformation of the agricultural lands on the example of the Leningrad region an...

The aim of the research is to characterize chestnut honey by using physicochemical methods to achieve a specific profile. Determination of polyphenols content gives indications of the antioxidant properties of chestnut honey. Changes in quality parameters have been studied regarding acidity, pH, viscosity, dry matter and anthocyanin content. The obtained results indicate variations in the pH of honey samples between 4.9-6.7, the acidity of honey samples varied from 0.21 to 0.41. The honey viscosity was determined ...

Wood waste is a very important group of waste, interesting for its potential in material recycling as well as energy recovery. In this large quantitatively and varied qualitatively group of waste, two main types of waste are distinguished: wooden waste and post-consumer wood. The analysis of suitability of post-consumer wood for thermal conversion covered selected wood waste: boxed wood furniture made of wood-based panels and internal door waste, made of MDF. Wastes were not contaminated with chemicals pollutants,...

We present the results of the use of geo-information management of geographically distributed systems for the comparative assessment of environmental criteria for alternative routes of the Russian section of the Nord Stream ? 2 marine gas pipeline. For the planned anthropogenic impact, we consider the complex of biotic and abiotic parameters of ecosystems allocated in the zones of influence (ZI), using the system analysis as a theoretical basis. In the land part of ZI, we allocate water protection zones and coasta...

Great cormorant Phalacrocorax carbo are frequent nesting in colonies in trees next to water bodies or on islands of Latvia?s lakes. The present study was done to evaluate the effect of great cormorant colonies on the soil chemical composition and vegetation on two islands of Lake Kanieris in a long term, 2010-2017. While great cormorants were distributed unevenly, two different sites on each island were set up, one representing a site without vegetation, the other ? a site with vegetation. To characterize the back...

The streams belong among natural part of the urbanized landscape. It is generally accepted that this type of landscapes together with stream may be very difficult restored to original levels of historical or natural status. Past design and realization of the stream modifications did not take into account in a sufficient extent the ecological criteria. Due to the predominantly technocratic approaches to addressing these issues, the ecological balance has been disturbed; and the hydrological and morphological condit...