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Windstorms are one of the main factors causing damages in forest in Northern Europe. The damages are especially severe, if the ground during the storm is not frozen and is wet, therefore the trees are less stable. Cyclonic windstorms primarily happens during the winter, and there is a prediction of notable rise of temperature in this period of the year ? thus we can expect more storm damages. It is known, that inside the forest stands specific microclimate exists, affecting also the soil temperature. However, ther...

Environmental pollution by manganese is a significant problem for the Imereti region. The source of pollution is derived from manganese extraction quarry and ore processing plant. The purpose of the study was to investigate the concentration of manganese and other heavy metals in the soil, air and water. Samples were taken from the industrial area, and the chemical elements were identified in them using ICP-MS. The results showed that the concentration of manganese and some other metals exceed to the permissible l...

The dolomite problem is very popular among geologists, who are especially working with oil-saturated carbonate rocks. Probably, this is the most common type of diagenetic transformation of limestone. However, the problem of secondary dolomitization is still insufficiently discussed, as a process associated with oil migration and oil-charge. The main purpose of this study is the geological reconstruction of diagenetic changes for the Tournaisian and Visean dolomites based on the application of data from cathodolumi...

If we create intelligent automated systems, decision support systems, expert systems, and in general knowledge-based systems then the development of the inference mechanism is very important. This mechanism of inference makes it possible to carry out reasoning on the available knowledge and data, to develop recommendations and decisions, to make their justifications and explanations. In this paper, a model of inference in the form of a bipartite graph is considered. The elements of the graph correspond to clauses,...

It is known that clastic material originated as a result of the transformation and translocation of rocks and minerals is the major constituent element of soil. Its genesis and petro-chemical composition essentially determines the formation of the soil of some or other taxon. The field and laboratory studies accomplished by us showed that soil-forming rocks in Interior Mountainous Ajara are andesite and andesite-basalt elluviums with intense magmatic instructive fracturing with various mechanisms and directions of...

The article deals with the problem of ownership of lands necessary for the operation of SHP by different entities. Several variants of solutions leading to the settlement of ownership relations to immovable property were elaborated. To ensure access, it was necessary to propose a range of service. The non-standard assessment also included solving problems related to the valuation of a flat in a small hydroelectric power plant, pricing and runoff and other engineering structures related to the hydroelectric power p...

Landslides are mass movement processes with severe consequences on the environment and human communities, and their identification and mapping is an important step in analyzing, evaluating and managing their potential risk. The results obtained in identifying areas of landslide activity may vary depending on the data sources used. The present paper is testing the landslides inventory at the scale of a commune in the Moldavian Plateau, Eastern Romania, using two different data sources: orthorectified images (2010-2...

In the environment are present heavy metals such as Cu2+ and Pb2+. Metal-processing industries, mineral processing, the manufacturers of inorganic products and large scale coal users, such as public utilities are the major sources of heavy metal pollution. These heavy metals are toxic, are non-biodegradable, and they pose potentially lethal risks at high levels. Chemosorption is emerging as a potential alternative to the existing conventional technologies for the removal and/or recovery of heavy metal ions from aq...

Among the restoration works in Northeast Romania, one can distinguish architect Ioana Grigorescu (1914 ? 2006). She was employed at Department for Historical Monuments and she designed inside existing buildings, spaces dedicated for the museum purposes as interpretation centers. Her work team used experience acquired during previous exhibitions spaces where the expressiveness of folk architecture forms where implemented. This creative architect conducted the restoration works of 17th and 18th century buildings, am...

In Latvia, land is the key natural resource, and the use of it for production purposes is of great importance. The utilised agricultural area in Latvia totalled 1.93 mln.ha, of which 47% or 905 thou.ha was grassland. Meadows and pastures had a 70% proportion, while permanent grasses had a 30% proportion in the cropping pattern for grassland. Therefore, the overall aim of the present research is to identify the grassland area and the geographic locations of and the cropping pattern for grasslands in Latvia. To achi...

Soils are the foundation of food production and food security. Many agricultural practices can potentially mitigate greenhouse gas emissions (GHG). Managed organic soils are the largest sources of GHG emissions from agriculture. In Latvia, organic soils have been little researched to date. Therefore, the overall aim of the present research is to identify the geographical locations, quality and uses of organic soils in Latvia. To achieve the aim, the following specific research tasks are defined: 1) to analyse the ...

Seasonal and interannual variability of the Ekman pumping velocity in the Black Sea is studied based on ERA-Interim reanalysis data of 10 m wind speed for the period 1979?2015. Upward Ekman pumping prevails in the annual cycle due to the predominance of the cyclonic wind curl over the Black Sea. The maximum upward Ekman pumping occurs in winter. In June, the basin averaged pumping velocity is directed downwards. The magnitude and spatial distribution of the Ekman pumping velocity depends on the direction of the wi...

Competition in air transport is growing and is a significant factor influencing airlines in the development of the strategy. In this article, we analyse the Bucharest-Tel-Aviv line which is operated by three airlines Tarom, EL AL and Blue Air, which are not allied and have no bilateral agreements. These companies are therefore direct competitors, and in our analysis, we are more closely examining their pricing policy over the reference period. By analysing the data we compared the possibilities of the aforemention...

The results of the field studies of heavy metals in snow cover presented in this work for urbanized territory of Almaty agglomeration first time. Seventy-five samples were collected during the period from February 5 to March 10, 2018 at 25 permanent monitoring sites. Samples of snow were analyzed for heavy metals (Cu, Zn, Pb, Cd) using ??S-7000 (Shimadzu). The obtained quantitative data were used to assess the nature of the spatial distribution of metals in the snow cover of the study area and based on them were p...

The paper focuses on the determination of studied risk elements (Cd, Cu, Pb and Zn) in the upper layer of agricultural land located in the inundation zone of the Stiavnica River in the cadastral area of Dudince village. The studied area is characterized by historical contamination of floodplains. The contamination vector is represented by the Stiavnica River that drains the nearby area of Stiavnica Mountains, an important mining area in the past. Analyzes to determine the exchange soil reaction and the content of ...

High qualitative and quantitative requirements for dimension stone on the building materials market make producers update the methods used currently to assess natural fracturing in areas of interest at various levels when prospecting potential zones. As most well-exposed areas are already being quarried, new areas are most efficiently prospected using statistical and mining-geometric methods and the data obtained are analyzed. Locating dimension stone prospects is a multi-stage process. Analysis of large areas per...

The monitoring of the construction behavior is one of the important activities carried out to determine the state of construction, subject to various natural and anthropogenic actions at a given time. In Romania, the activity of rockfill dams monitoring is regulated according to the importance category (A, B, C). The Rausor Dam is located downstream of the confluence of the River Rausor with the river Targului, which springs from the Iezer-Papusa Mountains. The dam is located at 7.5 km from the village of Leresti,...

The accuracy of transference from the underground surface of the topographic reference system is determined by the mining work on topographic transmission papers. If mining is vertical, topographic operations are complex and require permanent preoccupation for improvement. The paper meets this requirement, presenting possibilities for improvement of junction methods (surface, underground) of topographic elements used for mechanical transmission. The mechanical method of transmitting the underground surface referen...

Optimization is an iterative iterative process of improving the distributions of distributed computer applications obtained through the reengineering process so as to ensure the efficient allocation of resources for the implementation of the stages included in the reengineering. The article mentions how to choose each new goal and studies the model already implemented to start the project. It starts from the design of the existing application, and then applies the succession of stages specific to re-engineering. O...

This paper describes the results of the project which uses information from core lab studies in reservoir simulation in order to improve the quality of the forecasting ability. Samples of core were selected for each of the rock type in order to study wettability. Studies on the determination of the contact angle of wetting were carried out by the device, which allows determining the surface tension and contact angle in the formation conditions. The obtained values were applied for each of the five rock types for f...

Reinforced concrete tanks are currently used for storage of different substances and products. Such as bulk material but also various liquid and gaseous substances. Most often they serve as reservoirs for drinking water, for wastewater treatment and storage of various technical liquids. Rectangular tanks are less used as cylinders, but they have their advantages, less sensitivity to unilateral load, and better use of space for a multi-tank system. The rectangular tank solved in this article is filled with water. T...

Spreadsheets often contain valuable data that are difficult to process due to an unclear structure. For this reason, spreadsheets also called semi-structured data. Table structure recognition and data extraction is an important area of research. Tables may contain statistical reports, schedules, grade books, results of research or product catalogue. Depending on the purpose, tables have a different structure. In this paper, the authors propose an approach for extracting information from "list" type spreadsheets. T...

This paper has as main objective the statistical processing of geological information from hydrogeological wells on the ROIL16 ? Plain Vlasia groundwater body. The first step was the collection of detailed information and data, such as geological and hydrogeological characteristics, the features of the superficial deposits and soils, an inventory of associated surface systems, an estimation of the flow directions. The geological information was taken from the water wells of National Network Monitoring of Romania. ...

There are several thousand stone-shaped megalithic stone piles in Europe that have been built between the late Stone Age and the Middle Ages. Their cultural and historical significance has been deliberately studied only in a small number of cases. It is not surprising, therefore, that different stories about such megalithic sites are more widely known than the results of archaeological research. This is particularly true for impressive prehistoric complexes, which today are transformed into tourist attractions. On...

The purpose of our research is to develop and implement a long-term strategy for organizing independent work of students through the formation of students? autonomy culture in a foreign language setting. To achieve the goal set and verify the main provisions, we used the methods of theoretical and empirical research. Theoretical investigation included an analysis of pedagogical and psychological literature on the development of students' cognitive activity and learning autonomy in higher education. Empirical metho...

Global climate change and resources depletion are the main reasons why it is necessary to constantly seek innovative approaches to the green economy. The 21st century economy should be a "green" economy, represented by repeated and sustainable use of resources. At the same time, the impact of environmental problems has an increasing impact on the economy or health and the quality of life of the population. In Slovakia, one of the biggest environmental problems is mainly the issue of waste management. While the mun...

During an earthquake, a strong ground motion arises not only in the focus, but it also extends over long distances. Strong motion data have to be used in the Earthquake Early Warning (EEW) for a quick response of rescue services and monitoring of building structures. As the speed of the waves propagation in the ground is sufficiently high (about a few km/s), the warning time must be little, but sufficient to alert the people. Structural and earthquake engineers can use strong motion data to verify or improve desig...

A great number of agricultural structures such as irrigation and drainage systems and anti-erosion facilities like bulk shafts, terraces, grassed run-off holding collectors, barrages, wind protection belts, etc. were put into operation during the last century in Bulgaria. The Agrarian Reform of the 1990-s posed unfavorable conditions for preservation and use of this valuable inheritance. Currently, small-sized, fragmented and scattered land use causes deterioration of land quality and infrastructure. The regulator...

Based on the exergetic analysis the paper analyses the conduct of a simple Linde cryogenic refrigeration cycle looking for its weaknesses and trying to find ways for operating or structural improvements. The exergetic analysis reveals that a major exergy destruction is due to heat transfer across a finite temperature difference in the recuperative heat exchanger. The optimization procedure points out that this exergy destruction reaches a minimum if the temperature difference between the high (hot) and low pressur...

The term smart growth is defined as developing an economy based on knowledge and innovations (EC, 2010). According to Eurostat (Eurostat regional yearbook 2014, Eurostat yearbook 2018, etc.), an expansion of the knowledge-based economy segment is observed in the European Union, which leads to a structural redeployment of the economy. Accordingly, growth in the knowledge-based economy segment becomes an important research problem in each EU Member State. The authors analysed this process in three Baltic States, pla...

The research was carried out in the ecosystems of sessile oak and beech within Vizantea forests of Experimental Forestry Base Vidra. There were located three plots of 1 ha each, where information on the biometric features of component trees was collected. The purpose of the research was to know the structure and functioning of the sessile oak and beech crops stands in the Curvature Carpathians, as a result of their current status, in the context of sustainable forest management and climate change over the last dec...

Stand structural diversity, defined as the diversity of trees in stands, can be indicative of overall biodiversity and habitat suitability, useful in forecasting stand growth, and provide within stand detail for forest inventories. The diversity analysis provides more detail to the traditional stand structure descriptions and enables the approach to stand management more consistent not only with the timber production, but also with other productions and values of the multi-benefit forest stands, and/or transformat...

Were described a quartz-veins zones which localized within metamorphosed rock of South Muya block Northeast part of Western Transbaikalia. During the research was received structural and material characteristics quartz veins different orientation of the creeks an Otvesny, a Krivoy and a Bambukoy river. Based of kinematic analysis, crack paragenesis highlighted and genetic nature is determined structural deformations. Thus was found out that paragenesis of quartz veins which has been studied was educated as a resul...

The methodology ICZM is the modern approach to the realization of the concept of the sustainable development of marine regions. Modern geoinformation systems (GIS) are the optimal means for presentation of spatially distributed data on an electronic cartographic basis. Complex management of the coastal zone region can be organized on the bases of this data?s for analysis, monitoring and management of a marine health resort. The automated information systems of support and of decision-making are the basis for forma...

The oil fields of the Vereysky horizon (C2vr) are regional oil saturated on the Tatarstan Republic and located in the oil-and-gas-bearing Serpukhovsky-Vereysky basinal complex. In the sections are interbedding of various facial types of limestone with marls, clays, and sandstones. From below upwards along the section, the proportion of the clastic component increases and the carbonate component decreases. In the anticline structure, Vireysky oil-saturated reservoirs form multilayers series. Oil reservoirs are conf...

The paper considers the model of formation of students? environmental and legal competence; gives a comparative analysis of the three components of the environmental and legal competence: motivational and values-based, cognitive and activity-based components; identifies the four groups of students: preschoolers aged 5-6 years, primary school students aged 7-10 years, middle school students aged 11-14 years, and senior pupils aged 15-18 years.The results of the survey, testing before and after the introduction of t...

The article presents research on kinetics of sinter reduction used as a charge in the process of simultaneous smelting of zinc and lead, commonly known as Imperial Smelting Process. The aim of the study was to determine the effect of reductivity of various sinters produced from sulphide raw materials and from waste oxides on the operation of a shaft furnace. Real sinter samples from the sinter plant operating at the ISF furnace were collected for the experiment. The experiment was carried out in a resistance furna...

Urban forests play an important role in ecology of human habitats and provide various eco-services. Urban forests improve and maintain air and water quality, act as local refugia for plant and animal communities, hold populations of economically important species (such as pollinators), and act as recreational areas for people and pets. All urban forest organisms are directly or indirectly affected by human activities often leading to changes in biodiversity. The aim of our study was to determine soil microbial bio...

This paper presents the experimental results regarding the evolution into time of the road concrete quality with blast furnace slag BS, obtained by the UPV test for measuring the propagation velocity of the ultrasonic pulses compared with the compressive strengths of mechanical tests The UPV and the compressive strengths of the concrete containing blast furnace slag were determined at the age of 28, 100 and 150 days on 150 mm cubes on road concrete made with conventional materials and on road concrete with blast f...

Satellite images provide a large amount of data necessary for studies and applications related to fields like meteorology, agriculture, surveying, geodynamics, army etc. The complete data combined with complete software for satellite data processing allow us to create a powerful tool that can be used for taking decisions. Adding software that are able to combine different data coming from various areas, you can obtain an indestructible weapon that can provide you information regarding the environmental monitoring ...

Directional couplers are widely used in microstrip technology, but their dimensions are tied to the operating frequency. Since the smaller the frequency, the longer the longitudinal length of the quarter-wave segments and the greater the overall dimensions of the coupler. For this reason, use miniaturization, which allows to reduce the area occupied by the device on the substrate, with negligible loss in performance. In addition, there is an economy of the material used in the manufacture of the microstrip device....

In hydrosystem tailraces, behind end fixings of spillway facilities, scour basins of considerable depth and length are formed at high rates of the flow. This is associated with the violation of the extreme load mode during the construction and operation of hydrosystems, insufficient design length of fixings in tailraces, and inefficiency of installed baffles. Baffles based on soft water-filled shells are proposed as additional protection facilities of operating hydrosystem tailraces. The morphological analysis of ...

The article devotes to experimental study of briquetting of woodworking waste, such as sawdust and shredded bark. The aim of the work is to obtain regression dependencies linking characteristics of briquetted raw materials and parameters of moulding process with properties of produced fuel briquettes. Controlled factors of the experiment include moisture content of the raw material; average particle size of the material; percentage of sawdust and bark in the material; moulding pressure; moulding speed. The target ...

A characteristic feature of fuel cells is a weak dependence of their energy efficiency on the scale of the installation and the ability to provide the required level of power by simply increasing the number of fuel cells. The use of fuel cells, including in combination with renewable energy sources, can mean a technological revolution in the transport sector and energy, will reduce the negative impact on the environment to a minimum level. In this paper, a review of the current state of problems and trends in the ...

The aim of the paper is to investigate the correlations between the parameters and mineralogy of agricultural soils contaminated by hazardous elements originated from the metallurgical industry. The mineralogical constituents of soil have a major influence on soil fertility and production capacity, as well as on migration and assimilation in various proportions of the elements both with nutritional role for plants and potential toxic ones. The importance of the study originates from the necessity of knowing the so...

This article presents results of researches of genesis and physical and chemical properties of humic acids of peat stratigraphic rigging of the Ob-Irtysh interfluve, selected in the area of The Mukhrino Field Station of the UNESCO chair of Yugra State University. The coordinates of the selection: 60.89535 N?68.639033 E. Ash content of peat does not exceed 12%. The effect of botanical composition of the original plants of the peat-forming plants of peat type on the construction of the macromolecules of humic acids ...

Particulate matter and heavy metals represent some of the most dangerous pollutants along with nitrogen and sulfur oxides and the persistent organic pollutants. They affect not only human health, but also all living things and, some of them, even the climate by light diffusion and/or greenhouse effect. Thus, PM2.5 can induce serious respiratory and cardiovascular diseases, while both PM2.5 and PM10 play an important role in the atmospheric chemical and physical processes. At their turn, even though some heavy meta...

The forest industry in the Russian Federation is actively developing. A large amount of material resources are invested in this industry. At the same time, technological and production equipment is being modernized, and the supply chains of forest products are optimized [1]. In the North-West Federal District of the Russian Federation in recent years, a large number of enterprises of the timber industry complex increase the volume of roundwood transportation by water transport, particularly in rafts [1,2]. To rece...

The long-term response of aquatic vegetation of shallow freshwater ecosystems to the anthropogenic impacts (water level changes, pollution by heavy metals) was studied in 1999-2018 at two water bodies of Leningrad region, Russia: the Rakovye lakes and Neva bay of the Gulf of Finland, the Baltic Sea. The researches included the analysis of satellite images from 1970 to 2018, and the study of the characteristics of the aquatic plants of different ecological groups (halophytes, floating and submerged plants) -the spa...

The treatment of model solutions containing Fe(II), Mn(II) and Ce(III) salts in the range of metal ions concentrations of 20-500 mg/dm3 was carried out at the laboratory set of water purification by low-temperature plasma discharge during the registration of changes in the Red-Ox potential and pH of solutions, the ions concentration and the emission discharge spectrum. The ions concentration was measured by atomic absorption spectroscopy. The characteristic of discharge was measured with the methods of emission sp...