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Search and development of new, more selective collecting reagents for the improvement of flotation process is a priority to generation of innovative flotation technology for separation of substances and minerals. The application of new reagents generated on the basis of domestic raw materials will help to solve problems such as improving the efficiency of flotation ore benefication with the use of newly developed technological modes of flotation, increasing of gold production in the country. There is a sufficient ...

In many cases, the specific energy consumption indicators do not reflect the energy efficiency, since the amount of energy consumption is affected both by the technical condition and design of buildings and the specific use of energy, and specifics of its use and the proper organization (culture) energy consumption. The paper presents a generalized indicator of the energy efficiency of objects that have different purposes and are located in buildings with different technical conditions. The indicator contains two ...

This article describes a study approach of winter multi-hazards and assessment of their impact on shores, coastal infrastructure and hydraulic structures in the closed water bodies on an example of the Caspian Sea. The whole approach is divided into four main stages. The first stage is devoted to the analysis of existing criteria for hazardous natural phenomena. The second stage is devoted to the reconstruction (hidcasting) of winter multi-hazards. At the third stage, the classification of winter periods depending...

In this paper we focus on the evaluation of land use changes in the cadastral areas of the cities Martin and VrпїЅtky. Both cities are situated in the Tur?ianska kotlina Basin between the MalпїЅ Fatra Mts. and Ve?kпїЅ Fatra Mts. in the northern part of central Slovakia. Establishment of new industrial enterprises in the second half of the 20th century led to the creation of new infrastructure, urbanization and the subsequent interconnection of both cities. Railway transport and the пїЅOS VrпїЅtky company (Railway ...

Hydrochemical studies of mine water on abandoned Nagornaya mine showed that they are weakly alkaline with high color, permanganate demand (PD) and content of iron cations compared to Russian state legislation standards for natural water of a different type. Mine water are polluted with Na, Li, Cu, Ni and Sr cations, while gas chromatography identified some saturated hydrocarbons, mainly from ?22?46 to ?32?66. The study demonstrates a developed technology of local mine water treatment with a high color, PD and iron...

The developed bank ASTIOB of the coordinated thermodynamic information consists of five databases пїЅ for inorganic and organic individual (including unstechiometric) condensed compounds and gases, and components of aqueous solutions. For each of the condensed substances is given its chemical formula, standard enthalpy ? f o H298 and Gibbs energy ? f o G298 of formation, entropy S o 298 , and also for each of phase (agregate or structural) states - appropriate binary index, enthalpy ?tr T o H of polymorphic or agr...

The purpose of this article is to discuss the authigenic chlorite, illite and illite-smectite mixed layers at the sandstone of upper Triassic reservoir at Euphrates graben fields east of Syria related to their structural, morphology and diagenetic events and precipitation. The upper Triassic sandstone reservoir is one of the most important oil and gas reser-voirs at the east of Syria; it contains about 60 % of the total hydrocarbon volume at the area. Petrographical analyses combined with the different core analys...

Research concerning magnetic diagnostics of the conveyor belt with steel cords was focused on its sections. In this paper authors are focusing on the extraction of the diagnostic parameters for the technical evaluation of the condition of the splice in belt conveyor. Data used for the analysis were acquired from the belt core testing using HRDS system. Parameters that are used in this paper take into account and can define its condition in the specific locations. Parameters were analysed and research shown influen...

Satellites constellation Sentinel-1 provide costless SAR (Synthetic Aperture Radar) images of global range. Scientific institutions operating with SAR data received the great opportunity for carrying out continuous observations of the Earth. This kind of policy affects the efficiency of performed research and has direct impact on the safety in case on environmental threats. It is possible to monitor ground deformations of endangered areas. Sentinel-1 datasets have great potential in PSInSAR (Persistent Scatterer I...

Based on the example of arsenic, co-occurring in the Cu-Ag deposits (the Fore-Sudetic Monocline, Poland) while considered to be harmful for the environment, the paper describes difficulties associated with the reliable estimation of trace and rare elements concentrating in parts of deposits. The characteristics of these elements that make the estimation of the resources difficult include: extremely high variability of content, the dominant share of random components in the differentiation structure, and the concep...

The target of paper is the presentation of theoretical basis, methods and results of digital modeling (structural-lithological, geological-dynamic, logic-information) of heavy minerals placers for defining of their economic prospects. It is connected with need to improve methods of informational provision for researching works, aimed at involving of heavy minerals placers for the development of raw materials base of titanium, zirconium, tin, gold and other metals according to demands of pertinent industrial progre...

Digitization and publication of old globes on the Internet allows the public a detailed inspection of globes that are normally encountered only in a limited way. In the collections of memory institutions two forms of globes can be found. In the first case there are the classic spherical globes placed in decorative stands. In the second case the globes are stored as a set of globe prints. Such globe prints usually consist of a series of globe gores and two polar caps. This paper deals with the issue of creating dig...

In last yearпїЅs we have seen big progress in digital photogrammetry, advanced quality of the light sensors (bigger resolution, light sensitivity), optics quality, automatic and active image stabilization. These parameters are predetermining photogrammetry for monitoring of the objects. The cracks on the object point to the problems of instability construction and therefore it is important to monitor them. The paper deals with using of photometric mapping by monitoring of cracks activity with using the image proce...

The paper presents how to determine the size of the sanitary protection zones and of the hydrogeological protection perimeter related to a water catchments. The water catchment is made of two boreholes for which the lithological profiles and the optimum exploitation parameters are known respectively, the well depth, captured aquifer thickness, hydrostatic level and optimal operating flow. First borehole intercepts a pressurized aquifer and he second borehole intercepts a free level aquifer. Sizing the severe regim...

At present, increasingly high demands on the quality of the manufactured castings, which are used in the automotive industry. The foundry respect there are a number of advanced technologies, which are used for the casting. These include the technology of production castings by investment casting. It is used particularly where in view of the complex shape casting technology is the production of other more expensive, respectively, it is not at all possible. Such casting is the rotor of the turbocharger to be used in...

Hydraulic fracturing is a widely used in the hydrocarbon production industry to stimulate oil and gas flow from traditional and shale formations. This technique is one of the essential elements of borehole mining technologies and is designed for controlled impact on the rock mass during the development of solid, liquid and gaseous mineral resources. The creation of a system of traversing cracks in the rock mass that are parallel to each other is of great practical interest for many geotechnical issues such as impr...

In accordance with the applicable regulations, the Land and Property Register is used in Poland as the Cadastre. Given the critical significance of this system to all activities associated with the proper administration and management of the real estate, it is subjected to continuous modernisation efforts. Legal provisions define the process of Register modernisation as a set of technical, organisational, and administrative measures taken in order to supplement the Register databases, to establish the full range o...

In the Czech Republic there is a dramatic deterioration in the construction condition of the culverts. This development was signed by defects caused mainly by traffic from overloaded vehicles, traffic growth, atmospheric effects, chemical effects caused by salting in the winter time, construction type of culverts and age of culverts. One of the most important factors is insufficient pursuance of evidence culverts and construction maintenance, e.g. remove defects occurring in the beginning [1]. The paper deals with...

One of the main tasks of water management is to achieve good water quality. Important auxiliary tools in this case are mathematical models that currently are incorporated in almost every numerical model, used to solve problems in everyday practice of water management and engineering. A dispersion coefficient is one of the crucial input parameters of transport processes. The paper is focused on determination of dispersion coefficients in sewers, as in prismatic and straight stream channel with relatively constant r...

The paper discusses issues concerning load tests carried out on a twin-track, arch railway bridge over the Martwa Wisla river in Gdansk. Currently, it is the bridge with the longest span in its class in Poland. The load-bearing structure consists of three no-hinge arches and an orthotropic deck suspended from them. The studies of the structure assumed the performing of static and dynamic tests. The paper presents the method for carrying out geodetic measurements during static tests as well as the analysis of obtai...

Hardwood forest stands in Latvia serves mainly recreational purposes, as well as ensuring biological diversity. Ash stands in 2015 were occupied 0.4% of the total (2923515 ha) forest area. This proportion have been made up from the dominant tree species registered in the State Forest Register. The research was conducted in the pure and mixed stands (other species admixture up to 30%), selecting middle-age (44, 47 years) and mature (66, 67 years) stands with a density of 0.7. For data collection, were installed 16 ...

Having a surface of more than 17000 ha, Caransebe? Experimental Basis, of National Institute for Research and Development for Forestry, is the biggest experimental basis from Romania having in their experimental and administration areas, forests from plain to mountains, between 200 and 1600 meters altitude. Having good condition for vegetation of most important European forest species, Caransebe? Experimental Basis is an important managed area, where silver lime can found good condition of vegetation and where alt...

Wildlife crossings are structures that allow animals to cross human-made barriers safely. Wildlife overpasses are the reverse of most conventional bridges in terms of structural engineering, and this has implications for how they are designed. The Environmental Protection concerns mainly the fauna, because the development of communication and the construction of new transport routes has been increasingly fragmenting the natural environment. To fix the errors, arising from the fragmentation of the natural environme...

The paper presents the results of surface geochemical surveys carried out using "free gas method" in "Brzesko-Wojnicz" area in the SE part of the Poland. The surveys were conducted along 2 measurement profiles. A total of 341 soil gas samples were collected from 1.2 m depth below the surface. Maximum concentrations of CH4, total alkanes C2- C5, total alkenes C2-C4 reached: 27,1 vol.%., 45,3 ppm and 0,174 ppm, respectively. In total, in the analyzed area there are anomalous concentration of total C2-C5 alkanes (ove...

As of January 1, 2017, according to the Directive 2014/95/EU of the European Parliament and the Council of 22 October 2014 amending Directive 2013/34/EU as regards disclosure of non-financial and diversity information by certain large undertakings and groups public-interest entities fulfilling particular requirements described in the document are obligated to disclose non-financial and diversity information. Due to this fact, the main aim of the paper was the assessment of the current state of reporting of non-fin...

Woody species play an important role in peopleпїЅs life: improving air quality, managing storm water, have an aesthetic impact and provide a calming setting for recreation. The study examines the diversity and distribution of woody species in a settlement located very close to one of the most important cities, which are situated in the west part of Romania - Timisoara (city of gardens and parks). The analysis of trees and shrubs diversity highlights a number of 1945 broadleaves and coniferous trees, 3163 fruit tre...

Geographically, the studied area is located in the north-central part of Valcea county, including the piedmont and mountain area of the Capatanii Mountains and also a part of the hilly region of the Oltenia Subcarpathians, including the forests located in the upper basin of the Govora river. By phyto-climatic point of view the forests of this area belong at two categories: F.M.1 + F.D.4 пїЅ mountain-piedmont area of beech and F.D.3 пїЅhilly evergreen beech area and beech-sessil oak area. The researches were made i...

Surveying documentation of the buildings that are parts of cultural heritage are important materials for their operation, maintenance, reconstruction or restoration. Castle Helfenburk near Ъљt?k is a nice example of ruins of a medieval manor house, where outer walls with battlements and gates and main tower are well preserved. However, the surveying documentation of the castle was incomplete and some parts, mainly the interior ones, were not documented. Therefore we carried out complex measurement and we created d...

Drainage of agricultural land is a critical water management tool for the sustainability of cropping productivity systems considering the links between this sustainability and the control of water logging and salinization processes from root zone. Land drainage also provides environmental benefits when it is sustainable designed securing the conservation and improvement of soil resources quality. A key aspect of this problem is the correct determination of distance between drains based on a series of environmental...

Wastewater treatment plants that currently lack biological step have a low efficiency in wastewater treatment. This causes polluted emissions to be discharged into emissaries. An example of this is Drobeta Turnu Severin wastewater treatment plant. Drobeta Turnu Severin City in Mehedinti county currently has 108 246 inhabitants, of which 80% benefit from centralized drinking water distribution and centralized system for collecting and transporting wastewater to the treatment plant. Drobeta Turnu Severin has a waste...

One of the main and most important features of the weather in Kazakhstan is the air temperature, which significantly affects for energy, agriculture, etc. Particular interest are the significant temperature anomaly, which is related to many dangerous phenomena. These include, first of all, severe drought, excessive moisture, which if not take the necessary protective measures, often bring huge losses in various sectors of economic activity.There is no any single universal index to characterize the conditions of at...

Raising abstraction level of designing of custom digital circuits is a major scientific and practical problem that attracts a lot of academic and industrial efforts nowadays. However, existing approaches to handling of this problem typically do not provide sufficient means of defining individual domain- and project-specific custom-level microarchitectural decisions being directed by custom user specification that coordinates their application via specialized controls embedded in this specification. In the article,...

Romania is an active country from a seismic point of view, every year occurring around 250 earthquakes, many of these of a medium to strong level. This is one of the reasons why the seismic design of bridges is very important in Romania. The seismic provisions applied in Romania evolved from P100 - 92 to P100 - 2013, containing major changes regarding the ground acceleration and corner period, but also regarding the structural details. The cantilever method for prestressed concrete bridges has obvious benefits for...

Drilling rigs are one of the most primary equipment of the underground mining industry. Thanks to their application, it was possible to multiply several times obtained metal ore output generated in underground mines. For last several years, the research related to the development of special rigs predisposed to mine narrow vein deposits are conducted. Dynamic testing of one of such structures are discussed in the paper. The dynamic tests of the rig have been carried out in two ways - either as a real construction s...

The aim of this study was to analyzed the effect of magnesium ions from gluconate and lactate salt at the level of 100, 150 and 200 mg/100g addition on empirical and fundamental dough rheological properties from the wheat flour type 550. Wheat flour is considerate a very good one for bread making having 14.0% moisture content, 0.55% ash, 13.2% protein, 1.4% fat content, 31% wet gluten and 8 mm gluten deformation index. Dough empirical rheological properties were analyzed using the Alveograph and Glutograph device....

Long-duration human space flights involved by interplanetary journeys or space station missions expose the crews to effects of weightlessness. Such effects, consisting in loss of bone density, skeletal muscle atrophy, cardiovascular deconditioning etc., can raise significant risks on the health of the astronauts and for their capacity to accomplish the missions. Therefore, a large number of studies were dedicated to solutions for creating artificial gravity. The paper studies dynamic effects produced in a tethered...

Pile driving technology remains the most widespread method in Arkhangelsk where the presence of soft soils is an engineering-geological feature. There are situations when pile driving by hammer can be safe for existing buildings. Using two hammers allows to accelerate foundation works but it can damage the adjoining buildings. The monitoring of pile driving by two diesel impact hammers was carried out at one of the sites in the city. Vibration parameters were measured with triaxial accelerometer CMG-5 with continu...

The volume of transported goods is still rising. Road transport is congested the most. However, still bigger and bigger pressure on more ecological ways of transport is registered due to unfavorable effects of road transport. The railway is one of the most ecological ways of transport of heavy loads. Nowadays, electric engine is the most used way of locomotives traction thanks to electrification of most of railways. This fact significantly contributes to elimination of ecological influence on environment. Thus, th...

Vehicular traffic in major cities is the prevailing means of personal transport today. Nonetheless urban public transport has become more important. Its main advantage is the number of simultaneously transported people. This not only reduces the amount of greenhouse gases emitted, but also puts fewer passenger cars on the roads. The use of public transport is thus ecological and improves the flow of traffic in major cities. Metropolises today utilize comprehensive urban transport systems which combine metro, trams...

In this paper it has been analyzed the water quality from a total of nine wells located in Radovan village, as sources of drinking water from groundwater aquifers. For this, in 2012 there has been collected a total of 567 samples, monthly from March to November, analyzing the content of ammonium, nitrate, chloride, potassium, sodium, phosphate and pH. Analyzing the content of nitrates can be seen that, except well no. 1, in March and April in all other wells, to the data of determinations, nitrate content exceeds ...

Modern drying of wood remains one of the basic engineering procedures influencing the quality, product cost and duration of production cycle at the woodworking entities. The drying equipment often has evolutionary nature of development. It is generally reached due to upgrade of the existing complex of the drying equipment, however the use of innovative technologies is necessary for increase in high-quality, regime and also energy efficient indicators. The analysis of theory of drying, technologies of various proce...

Dynamics of an ecosystem implies any changes in area borders location and replaces in the initial species composition. Generally, dynamics occurs under the impact of natural and anthropogenic factors. They always act together, diminishing or intensifying each other. The authors consider phenomenon woodlands case study, which are located on different mountain ranges both in semi damp and semiarid sectors of Altai-Sayan ecologic region. It should be noted that species composition of woodlands is various even within ...

Urban sprawl and land abandonment are the major threats to agricultural areas, as highlighted the European Environment Agency. Bucharest metropolitan area is a proposed metropolitan area project, aiming to reach 2700 km2 in an intermediate stage. This area would include Bucharest City and other 62 surrounding LAUs from Ilfov, C?l?ra?i and Giurgiu Counties. The paper aims to assess the dynamics of soil sealing and soil landscape patterns and to evaluate soil productivity lost due to the urban sprawl within the Buch...

It is known that the movement of the liquid core creates electric currents, inducing a main magnetic field of the planet. The liquid core of the high temperature becomes ionized plasma (plasma), which It is quasi-neutral (not neutral) - by definition. One of the major geodynamo questions: what is the source of strength, causing fluid movement in the core of the planet? Many authors have investigated geodynamo: planetary rotation around its axis, the temperature difference and pressure as well as the Coriolis force...

The purpose of this study is to provide information about technical and fertility characteristics of soils for orchards conversion. Based on satellite images, there were calculate a series of normalized differential indexes resulting from some operations with the spectral bands, meaning they are obtained based on multispectral images (with several spectral bands). Through specific operations, it is aimed to amplify spectral signatures in the band where one particular object has the highest reflectance and diminish...

Sustainable architecture has always been associated with solar and low-energy objects using natural energy at various stages of their life cycle. The developmental morphology of the buildings influences the urban spatial structure of different scales (city, district, housing estate, quarter, building). Its analysis, which is generally extended to the nearest surroundings and the interior space of buildings, draws attention to the relationship between the energy intensity of buildings and the urban context, which a...

Heavy-metal pollution of forest soils around closed mines represents an important environmental concern and we measured the contamination level in the forest plants. The waste material generated by the now-abandoned ore-processing plant of Tarni?a-Suceava, Romania, situated in the Eastern Carpathians, contain large amount of heavy metals, aluminum, and arsenic. The high risk of environmental contamination of sterile dumps is amplified by their susceptibility to airborne, hydromechanical and hydrochemical transport...

The objective of the article was to identify eco-innovations and logistical processes to which eco-innovations are implemented. The article presents the quantitative methods of assessing the impact of logistic processes on the environment, which are also used for eco-design of processes in ecology. In the article the following methods were described: process assessment in supply chain GreenSCOR, LCA, MIPS, OPM. The research objective of the article was to evaluate the impact of the selected logistic process on the...

The global environmental challenges solution, such as climate change and natural resources scarcity, they are part of innovation policy, where the eco-innovation plays an important role. The OECD Green Growth Strategy recommends that green growth policies should encourage innovation, as this can enhance efficiency in the use of natural capital and foster new economic opportunities from the emergence of new green activities. The European Union has begun to track the eco-innovation performance of Member States in 20...

Eco-system services, particularly agricultural eco-system services as landscape functions are defined as goods and services provided that contribute to human well-being. The aim of the study is to evaluate the capability of sustainable providing agricultural eco-services - landscapes as base of innovative activities in the rural areas. The following aspects as the tasks have been covered in the study: to evaluate sustainability aspects of Latvian agricultural landscapes, as agricultural eco-system services; to inv...