Browse

In order to exclude the unprofitability of heavy oil deposits development in Russia and abroad, it is necessary to search and create new more advanced technologies for heavy oil and bitumen deposits development aimed at improving and creating technologies for increasing oil recovery, which allow developing fields with the greatest economic efficiency. This is due to both the structure of "unconventional" oil reserves and the need for more complete production of hydrocarbon reserves with sufficient high production ...

The exploitation of copper ore deposits in Polish underground mines is performed primarily by the use of blasting technology which seems to be relatively well suited to the hardness of the local rocks and to local mining and geological conditions. Blasting works are also recognized as an active method of seismic events prevention, conducted as group strain-release blasting within potentially instable main roof strata and in pillars. A notable number of recorded dynamic events can be clearly explained by the blasti...

The continuous development of techniques related to agriculture information management and GIS, with a close connection to sustainable development, are factors which contribute to the dissemination of precision farming. Cape Verde and Mozambique have a strong dependence on agriculture, a lack of skilled professionals and extreme poverty rates in rural areas. There has been an increased acknowledgement of the need to develop new educational programs in developing countries focused on innovative crop and land manage...

Sustainable use of natural resources and recycling/reuse of wastes are two of most current upcoming environmental problems, and they play an important role in the circular economy, as recycling of waste can give an important contribution to the reduction of natural resources. Ceramic tiles production is one of the industrial activities involved in using natural resources like clays and sands. On the other hand, in Italy, sanitary landfills are, nowadays, the main place, where bottom ashes are finally treated. This...

Accordingly to decision of International Commission on Stratigraphy in 2011 Quaternary period was increased till 2,6 million years. As a result of lowering Quaternary boundary the upper part of regional Akchagylian stage (Gelasian stage) was included into Quaternary as bottom subdivision. Thus upper boundary of Akchagylian stage пїЅ boundary between Neogene and Quaternary, upper boundary of Akchagylian stage located between Upper and Lower Pliocene. Currently Sokol layers within Middle Volga area conventionally in...

Nowadays we can see rapid increase in the amount and speed of acquired environmental data and automate the process of collection. The development of multilayer, interoperable GIS increases the requirements for the correct, comprehensive description of the presented objects and phenomena. The article presents a proposal of spatial boundaries classification for the purpose of spatial information systems improvement. Vector spatial information model use division into point, line and surface objects. This model does n...

BrewerпїЅs spent yeast is a byproduct containing high amounts of nitrogen, vitamins and immunogen compounds such as ?-glucans. Several uses of spent yeast were described, but the phytostimmulatory potential was not previously tested. In the present paper, the effects of spent brewery yeast on rye microgreen growth and composition and the potential use as an elicitor is assessed. Rye microgreens elicited with spent yeast presented improved germination, especially after 4 days of cultivation. Increased plantlet leng...

This paper identifies the main Green and Blue growth impact evaluation analytical approaches, underlines the Blue and Green growth skills governance framework through technical and vocational education and training concept and provides structured categories of skills and competences needed. By using comparative SWOT analysis and secondary statistical survey of labor market and economic data relevant for analyzing structures and developments in the green economy of the regions and in-depth research on selected Trip...

An engineering survey to determine the existing height of constructions is a frequent requirement that the land surveyors are faced with. A height survey may be needed to verify building elevation while in construction, or according to the legislation, in order to apply for a building permit a detailed topographic plan must be conducted. Such a topographic plan must be prepared by licensed surveyor and include the measurements of nearby properties, adjacent with the land parcel on which the building authorization ...

All decisions made would always rely on good, timely, and correct data. Usage of BIM models in terms of Building Information Management can support all decision through data gathering, sharing, and using across all disciplines and all Life Cycle steps. It particularly significantly improves possibilities and level of life cycle costing. Experience and knowledge stored in data models of BIM, describing user requirements, best practices derived from other projects and/or research outputs will help to understand sust...

After the adoption of the Law no. 221/2015 and the new Code of Contracts, Legislative Decree no. 50/2016, Italy has become the first European country that has imposed Minimum Environmental Criteria (MEC) thus amplifying the importance of Green Public Procurement (GPP), already widespread in Europe since the late 90's in a totally voluntary way. In Italy, MEC have been approved with specific Decrees by the Ministry of the Environment and concern numerous areas of intervention (mainly as regards the supply of goods ...

A modern cadastral system should meet it requirements. These requirements relate mainly to the way of cadastral data access. The definition of cadastral system turns out to be not sufficient in the context of the on-line formula, because cadastral system is a distributed and extensive. The data of this system should be compatible with other information systems. In the presented paper, the author proposes the definition of a cadastral system relating to the most important element of the data quality which is the se...

The objective of the paper was to investigate the presence of calcium oxalate crystals in the roots of grapevine Merlot/Kober 5BB from Murfatlar Vineyard, and their correlation to the high content of total and active calcium carbonate in soil, inherited from the parent material. Calcium oxalate is a bio-mineralization major product that formed in the superior plants (like the grapevine - Vitis vinifera), occurring as crystals of various shapes (druses, raphides, envelopes, etc.) and supposing to have also various ...

The present paper analyzes - from the point of view of the energy consumption - a residential building in Romania, of usual construction, in order to fit it into the energy certification grid for heating [1]. The study was conducted for 8 thermal insulation variants with a thickness between 5 and 40 cm, each in 3 ventilation cases, in a total of 24 cases [2]. In order to determine the energy performance of the building, the CIMPSPAT expert calculation program was used [9], with the high-precision numerical method ...

The article deals with of a hydrogen pressure vessel suitable for high pressure of approximately 75 MPa. One of the goals is to design a vessel from materials whose strength will meet mechanical requirements a calculated in both analytical and numerical ways. Another objective is the simulation of the design the pressure vessel with regard to safety and weight requirements.

The paper presents a method for calculating the amount of thermal energy which is required for heating buildings, by enlarged indicators: area, storeys, material of walls, the number of people in the building and the specifics of its operation. On the basis of analysis of results of energy audit conducted in 2012-2016 for municipal institutions in the Belgorod region, a statistical analysis was carried out and dependencies were obtained to determine the geometric characteristics of buildings needed for thermal eng...

The monitoring of precipitation amounts plays an important role in the estimation of water balance as well as in the understanding of complex hydrological processes taking part in a catchment. High spatial and temporal variability of the rainfall could have a significant impact on the reliability of the performed hydrological analyses, which puts an increasing demand on sampling frequency and density of monitoring network. This is especially important in the case of small catchments, often with a small number or n...

The paper reveals proposed techniques and measurement results obtained by employing Leica AT401 laser tracker into processes of calibration of field length geodetic baselines. Firstly, testing of the available laser tracker in Research Institute of Geodesy, Topography and Cartography (RIGTC) is shortly introduced and the development of a user-programmed software ATControl is presented. Secondly, measurement methodologies used for calibrating Czech State Long Distances Meausuring Standard KoпїЅtice and National Geo...

The possibility of manufacturing compact accelerometer based on prefabricated elements has been shown. Since most of the sensitive element designs at the lowest cost possible to produce at different ranges of sensitivity, so accelerometer design will be flexible in terms of wide range measuring of linear accelerations. Paper describes an original method of calibrating an autonomous unit of accelerometers. Without the use of precision rotary tables, centrifuges, and independent of the vibration reason, it is possib...

In this paper, a method of calibration of the levelling rod Carl Zeiss Jena No. 55822 was proposed. Within a method procedures we follow the requirement of the International Standard ISO / IEC 17025: 2005 and all necessary observations were performed in the Metrological Laboratory of Institute of Geodesy and Geoinformatics, Faculty of Civil Engineering, University of Belgrade. In the process of the calibration, we used a laser interferometer Hewlett Packard HP 5528 and specially adapted auxiliary equipment for pla...

The Ship Energy Efficiency Management Plan (SEEMP) has been introduced by the International Maritime Organisation (IMO) as a desire to develop a system approach to the problem of the increased CO2 emission level generated by the world fleet. The paper is an attempt to answer the question whether the Ship Energy Efficiency Management Plan (SEEMP) may be classified as a management system. It also comprises of a comparative analysis of the requirements included in the IMO guidelines regarding developing the SEEMP and...

Acid mine drainage waters around the Buchim Mine were challenge for researchers and Buchim company itself, but of highest interest it was for the environmentalists. In several phases Buchim Mine was solving the problem of pollution around the mine, whhen definitely this environmental problem was solved with the construction of the copper leaching facility. Large quantity of material deposited at the Buchim Mine waste dump of around 130 Mt today represents source of drainage copper solutions that are captured by pi...

In the presented work, we analyzed and summarized the results of studies that reflect the provisions on the impact of inventory indices of forest stands on the dynamics of the formation of phytomass and carbon sequestration. Taking into account the relatively low percentage of forest land and a significant level of aerial technogenic impact of mining complex and related infrastructure the ecological significance and relevance of the study is determined. Ecological potential of forests is estimated by effectiveness...

Oil spills are the main cause of pollution with crude oil. Contamination with crude oil affects the environment (soil underground and surfaces, groundwater and water surface, air quality), plants, and health of animals and humans. Soil pollution with crude oil implies contamination with Polychlorinated Biphenyls, Polycyclic Aromatic Hydrocarbons, Monocyclic Aromatic Hydrocarbons and different heavy metals. The contaminated soil investigated in the framework of the present work was collected from a bioremediation p...

Related to assuring the sustainability of our human society the technical field is playing an important role, beside the environmental and socio-economic field. Taking into account the technical field in connection with the social one, special attention has to be paid to the field of cartography. This is becoming more relevant than ever regarding assuring the sustainable development on a regional level because of the need of land property clarifications. A lot of progress has been made in the last years in the fie...

The aim of this article is to demonstrate the effectiveness of employing case study analysis in English in order to educate future oil and gas engineers on environmental accountability. The case study will comprise of the activity of the company Beyond Petroleum (BP) and its response to the Gulf of Mexico oil spill of 2010. The research methodology includes: analysis of literature on environmental ethics, the case study and ways of teaching it; study of the educational requirements for oil and gas engineers. Exper...

At European level, with the evolution of European policies appeared inquiries locally to standard indicators, allowing some degree of comparison between different cities and towns, as a complement to indicators of local specifically related to the problems of each locality and which differs from one place to another, from one country to another EU. Thus, it has been adopted a set of European Common Indicators (ECI). Short and medium-term effects of air pollution harms human health and harm ecosystems and economy. ...

The main objectives of each of cities from Romania are sustainable development, energy efficiency, use of renewable energy and ensuring a clean and healthy environment for citizens in a modern city, attractive, prosperous and a high standard of living. The climate changes, increasingly present every day in the realities of city, mainly caused by human factor, obliges us to a new approach and orientation responsible for the future of our decisions in order to rational and efficient use of resources, especially in o...

Ultra-low-energy house (in some countries Passive house) is a term known very well to engineers and architects all over the world. In these times of minimizing an energy loads and negative emissions, energy efficient houses (ultra-low-energy, net-zero houses, positive houses) are one of the best ways to meet European пїЅ20-20-20пїЅ targets. The main topic of this paper is dynamic assessment on energy performance of an ultralow- energy family house designed for Slovak Republic climate. Family house was designed tak...

Melanism is found in many animal species. This phenomenon is caused by a large amount of melanin pigment and causes an abnormal black or dark brown colour of the outer covers. Melanistic individuals are usually quite rare in nature. However, there are a number of examples indicating that melanistic colouring in animals can be adaptive under certain conditions and be supported by natural selection. These examples include the phenomenon of industrial melanism, described in the birch moth Biston betularia, as well as...

The Vrancea area, is known as a zone with intense and persistent crustal and intermediate seismic activity. The intermediate depth seismicity is concentrated in a high-velocity volume, an almost vertical body in fact a sinking lithosphere not completely detached, in the depth range from about 60 to 200 km. The epicentral zone is situated in an area of about 40 пїЅ 84 km2. The present tectonic of the Vrancea area is a result of a former subduction of oceanic lithosphere, followed by a continental collision and slab...

Ethanol is the most common alternative transport fuel. The current standard market product bioethanol is criticised for limited environmental sustainability as it is largely based on utilisation of food crops. Cellulosic ethanol, derived from lignocellulosic biomass including organic wastes and residues, as well as biomass grown on marginal land, is considered clearly more sustainable under environmental criteria compared to first generation ethanol, and it makes use of highly abundant, low cost organic material. ...

The paper presents the research on the modification lightweight cement composites with organic fillers by fly ash and anionic bitumen emulsion addition. Organic fillers used in composites were: common reed (fraction 2/10 and 10/20 mm) and conifer sawdust (fraction 0/2 mm). The reed Phragmites australis is a notably common plant in Poland that grows on waterlogged lands. This material is renewable, ecological, and while vegetation absorbs carbon dioxide. To determine the influence of two factors on compositesпїЅ pr...

Mortars and colored concrete are used in construction for the execution of masonry blocks, tiles and other building elements and materials that complement the aesthetic appearance of buildings, contributing to their architectural finishing. Pigments are usually used for coloring of the mortars and concretes based on cement mineral. The organic pigments are used in a more limited extend for this purpose. The life time of the facades realized with silicate cement largely depends on the compatibility between pigment ...

The abundances of invasive plant species in the vegetation have negative impacts on the integrity, structure and function of autochthonous ecosystems. Invasive species act as stressors for plant communities and change their species compositions. In the Czech Republic, Ceratophyllum demersum is a species that may represent a risk of invasiveness, particularly in shallow types of water bodies. It is autochthonous is all continents, but it is primarily centred into warmer parts of the mild climate of the northern hem...

We live in the interglacial period that is causing warming effect on the EarthпїЅs climate reflected in water scarcity. Water is an essential substance in agricultural production. Therefor appropriate management is necessary to achieve sustainability. Material flow analysis (MFA) provides an overview of the system by linking the anthroposphere with the environment, and can highlight environmental or resource issue problems. Thus MFA can be used as a tool of material management. We applied partial MFA for quantifyi...

Cesium-137 is a long-lived technogenic radionuclide. The study of its distribution in the environment is important either from ecological point of view or as it may be used as a marker for sediment core dating. Lakes are excellent objects for the application of these approaches. A scientific expedition was carried out in order to extract and to study sediment cores from the beds of Lake Maly Liman, Lake Abrau, Lake Maly Utrish (Municipality of Novorossiysk, Region of Krasnodar), and Lake Bolshoi Tambukan (at the b...

The present paper deals with the study of fluid and thermal characteristics of the metal foam with an open cell structure for use in solar thermal applications. The study of selected parameters was performed using CFD tools based on finite volume method calculation in software Ansys Fluent. Presented simulation was carried out on two types of metal foam elements with a density of pores of 10 and 20 PPI, which were designed and modeled by the authors using CAD tools. The basis of a model formed tetrakaidecahedron s...

This paper presents the results of a multidisciplinary literature review of issues related to Circular Economy, waste management, recycling, eco-innovation, decision-supporting and environmental management that help to identify the key expectations, opportunities and problems related to decisions supporting waste management under the Circular Economy concept. The research findings enable identification of the areas of waste management based on the Circular Economy concept and the functions of the information syste...

The areas of the Colca Canyon and the Valley of the Volcanoes, located in the Arequipa region in the Central Andes, southern Peru, are distinguished for their unique geodiversity in the whole planet scale [10]. Currently, the INGEMMET Institute has submitted a proposal to designate the area as a geopark belonging to the UNESCO network [13]. The designation of the Colca and the Volcanoes of Andagua Geopark brings new opportunities to develop tourism. Inventory of geosites includes numerous geomorphological, geodyna...

The paper discusses the impact of post-mining workings of natural aggregates on hydrographic conditions, including the volume of groundwater resources. The predicted effects of the liquidation of open pits were characterized by two sand deposits located in the river valleys of San and Wis?oka in south-eastern Poland. There are no elements of the natural environment that require special protection against the effects of their exploitation in the deposits area and in their immediate vicinity. In addition, there are ...

In recent years, the input of antibiotics into soils has sharply increased. The environmental behavior of antibiotics is not well known and the precise environmental risk assessment is not practical. Long-term studies have shown the efficiency of the diagnostics and monitoring of soils with biochemical methods, particularly with the help of the indices of soil enzymatic activity. We studied the impact antibiotics (benzylpenicillin, tilosin and nystatin) at different concentrations (100, 500 mg/kg) on hydrolase (ph...

Aim of this paper is to provide the overview of ecological friendly mechanical engineering through design solution in the field of material handling. There can be achieved a significant reducing of energy consumption with advantage of maintenance simplicity by decreasing level of the automation and the design complexity. Model situation is dealing with change of the material position orientation by using minimum of external forces and processes. The orientation change is induced by motion of the material along pre...

Human activity is manifested by continuous changes in space use. Adapting the space to suit ones needs and expectations, human activity is changing physiognomy but also even more often the quality changes of the space. The article presents an attempt how to define the direction and intensity of these changes using developed indicators of environmental quality. The authors attempted to determine the change in the environmental value of the Polish municipalities, taking as input the land cover CLC database. The anal...

According to Polish law, the natural concentration of sulphur (II) compounds in groundwater higher than 1 mg/L can be a base to find them as a curative water. Sulphur (II) occurs in groundwater usually as hydrogen sulphur or bisulphide ion. Their concentrations and ratios can vary dependent on prevailing conditions. Very often water stays a long way from intake to the spas. What is more in health resorts curative waters could be mixed. These processes can influence on total concentration and forms of occurrence of...

Due to the growing importance of forest changes and water management as factors influencing hydro-sedimentary dynamics and hydrological services, the analysis of the forest пїЅ water links may prove to be relevant for creating joint and adequate management schemes for these ecosystems. The main goal of this paper is to investigate the possible influences upon the hydro-sedimentary dynamics in the upper basin of Jiu River (2540 km2), induced by the changes in forest cover between 2000 and 2012. The relationship bet...

Today, the need for resources is growing based on the replacement of forest areas by areas used for economic and agricultural activities. The present study means to identify the changes in land use cover and forest areas between the changes made by the economic activities and aridity indexes, characterized by high temperatures and low quantities of precipitations in Southwestern Romania. This region is affected by high temperatures and low precipitations in July and August, growing urban areas and necessity for ag...

The land subsidence caused by underground mining results in the transformation of water relations in the Silesian Upland, which is located in southern Poland. Detailed studies were conducted in 25 water bodies formed in subsidence basins located on the Silesian Upland. The purpose of the study was to determine the temporal and spatial variability of electrolytic conductivity of the limnic waters retained in the water bodies studied. As part of field work, 12 specific electrical conductivity measurements were condu...

This paper discusses the issue of changes in average transaction prices of undeveloped land and real properties designated for agricultural and forestry purposes in Poland. The studies cover the period starting from the accession of Poland into the European Union structures in 2004. Another aim of the study is also to present the differences between average transaction prices of undeveloped real properties designated in years 2009-2015 among others, residential land, industrial land, other building land, agricultu...

The direct field observations and processing the info-graphic support (satellite images, thematic maps, profiles, digital images of the area) led to the preparation of this paper and realization of the proposal rehabilitation measures of anthropogenic landforms generated by coal mining activities in Petrosani Basin. These are exemplified by analyzing the Petrila 2 East dump (the Eastern end of the Basin) and Campu lui Neag coal pit (in the Western end of the Basin). The landscape of Petrosani Basin is transformed ...