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It is known that the solar-moon tides (SMT) influence often serves as a trigger releasing seismic energy in a prepared area of the earth's crust. The regular increase in the number of earthquakes during the syzygy and perigee was empirically determined at the end of the 19th century by A. Perret [1]. The tidal force reaches its highest value when the perigee coincides with syzygy, which occurs once a year. The such pattern is observed for rock bursts (RB) also. However, it should be noted that the most tide influe...

Industrially defatted non-dehulled sunflower meal (SFM) with a protein content 22%, fibre 38% and cellulose 23% was separated into several fractions: protein fraction and lignocellulosic fraction, then they can be used for bioconversion into value added products. The protein concentrate (PC) contained 83% of protein. Hydrolysis of this concentrate by the commercial proteases, such as Proteinase T, Protex 7L, Protex 40E (Danisco Genecor, Denmark) and Pancreatin (Biosynthesis, the Russian Federation) can transform t...

It was studied susceptibility of starch granules of different types to hydrolysis by enzymes both in the gelatinized and native state. Starch was evaluated by chemical composition, morphology, physical and chemical properties and compared with respect to the action of amylolytic enzymes traditionally used to produce sugary starch products (alpha-amylase, glucoamylase). Enzymatic susceptibility of the samples was evaluated by accumulation of reducing matters during the hydrolysis of 1% starch suspension in gelatini...

The paper deals with the effective management of rainwater. Given the current climate change, which is currently faster than anticipated, environmental issues are very timely. These sudden changes are mainly caused by human activity. The most noticeable climate change is the increase in temperature and changes in the rainfall regime. These two changes are closely linked. The average consumption of drinking water per capita is over 100 liters of water per day in civilized advanced nations. But about 50% of this con...

Between 1990 and 2015, the annual global amount of CO 2 emission generated by transport has increased by 68%, from around 4.6 GtCOGtCO2 to aroaround 7.7 GtCOGtCO2. Technological advances towards eco -friendly vehicles and policy incentives promoting environmentalenvironmental-friendly modes of transport have thus been offset by economic growth and increasing mobility. This study questions the relationship between ec onomic growth and sustainability performance of transport sector. It adds to the literature new ins...

Lighting Engineering Laboratory ? LEL - is the main lighting independent consultant around Transylvania (the north-west side of Romania). Over the past few years the Lighting Engineering Laboratory developed and implemented different trial energy efficient lighting solutions for the university buildings. The Building Services Faculty was used as a lighting test area. The starting point was in 2013 - the lighting refurbishment success of the greatest lecture hall by replacing the old 4*18 W fluorescent luminaires b...

The civil engineers have a responsibility to society to offer best possible solutions in order to design more sustainable buildings. A way to incorporate sustainability concepts by the structural engineers is the attempt to reduce both material consumption requirements and energy use during all phases of design. In a sustainability focused society, the amount of the matter resulted from a structural design according to the norms, may be of key importance. Nowadays, structural engineers are trained to design for me...

The Niedzwiedzia Cave is one of the longest and deepest caves in Poland. The object is protected by the Nature 2000 Program, its natural value was the reason for creating there the area of Nature Reserve as well. Part of the cave has been available for tourists from 1983. In 2010 the entrance into the new route of the Cave was discovered, the length of which was over 1000 m. In the new discovered cave spaces many different, unique dripstones: stalagmites, stalactites, cascades, draperies and domes are present. Bec...

There has been a sweeping increase in a number of universities in the Russian Federation that are moving to implement courses and programs through English medium instructions (EMI). In other words, English is being used to deliver and teach content in the sciences, math, history, business, and engineering both in public and private education at all stages ? primary, secondary, and tertiary one. With the aim to promote international exchange, raise the quality and prestige of educational establishments, and provide...

The influence of material resource flows in geosystems on formation of consumer value and the cost of high-tech products has been studied. For example, the flow of energy resources obtained indicators of impact of reducing their cost on the prices of high-tech goods. The occurrence of a cumulative effect in high-tech industries with multistage processing of resources is shown. Cumulation of reduced costs is formed. As a result, synergy of economic efficiency arises in geosystems. A mathematical model of the synerg...

Biochar samples were obtained by hydro-pyrolysis (600-800oC) of spent algae material, remaining after extraction of the liquid substances from algae for biodiesel production. The pore structure of the obtained carbon was studied by nitrogen adsorption at -196oC. The most prospective algae biochar sample obtained is distinguished by moderate surface area of 490 m2/g, as well as considerable microporosity (0.15 cm3/g) and mesoporosity (0.13 cm3/g). Pore size distribution show that the pores with size 1-3 nm prevail....

The goal of this work is to study the processes of producing carbon aerogels, silica-carbon aerogels and CNT-silica aerogels and search for new areas of their applications. To achieve this goal, aerogels using the sol-gel method and the supercritical drying process were synthesized. The analysis of the obtained aerogels was carried out using the methods of nitrogen porosimetry and scanning electron microscopy. In addition, a software that uses cellular automaton models to generate virtual structures of the studied...

Lake Onego is the second largest lake in Europe and it is situated in the Northwest of Russia. Benthal deposits of lake Onego are known to contain a large number of iron ore, and that affects the bacterial communities present in the lake. Some bacteria have a defense mechanism against the toxicity of metal ions which involves formation of metal nanoparticles. Bacterial synthesis of metal nanoparticles has a wide range of applications in industry due to its low cost, non-toxicity and eco-friendliness. Due to their ...

In this paper, we present an area, from the NV of the Transylvanian Basin, which has a particular geological structure. The complex geological aspects begin to be clarified once the Geological Maps 1: 50,000 were made. There is a marginal area in the North-East part, which is a monocline which sinks to the South and South-East. This marginal area is delimited by the sloping area through an important fracture, in the direction of Valley Calda - Gadalin - Gherla. Southwest of this fracture is the area with salt. The...

The aim of the paper is to develop communication skills on professional topics to students studying oil and gas activity. We argue that it is effective to organize the teaching by means of using professional context, developing lexical skills. In order to design a professional context we suggest role-play activities related to oil and gas theme for students; development of lexical skills is possible in both language exercises and communicative ones. Methods of research presuppose theoretical analysis of relevant l...

In Poland, for several years the needs and possibilities of introducing a multi-dimensional cadastre have been considered. The European Union provides the Member States with a legal framework in the form of a norm regulating the development of broadly understood land administration systems. The cadastre, as a source of information about land and people who manage it, must above all enable proper land management. The basic aspect that we encounter in the discussion about the cadastre is the determination of the spa...

The article is devoted to the development of software tools to support elimination of wildfires in small regions lacking governmental financial resources and using volunteer help for in situ and remote activities. The latter activities include not only training but also monitoring and even creation of scripts, databases, web applications to simplify governmental firefighting service work and make some of their professional cases public. Murmansk regional forest firefighting service (located in northern Russia) giv...

The modern world faces serious challenges related to environmental protection, such as climate change, depletion of natural resources or loss of biodiversity. New economic and social models, as well as technologies are needed to bring significant benefits to the environment. Entrepreneurs also face the challenge of introducing changes and carrying out restructuring processes to effectively implement eco-innovations. One of the tools to determine the company's development potential in the area of eco-innovation is ...

In recent decades the crisis of obtaining natural organic raw materials attracts the attention of researchers to the use of renewable plant resources, to their deep processing in order to obtain the maximum yield of useful products. One of the most promising types of organic raw materials is spruce wood. Special attention of researchers to spruce wood is determined by its large reserves in Russia, the characteristics of its physicochemical properties and the composition of components. In this regard, studies have ...

3D plastic is a modern three-dimensional printing material that is very popular among home and professional 3D printers using layer-by-layer fusing technology (FDM). Today, in professional three-dimensional modeling, two main types of plastic thread are used - synthetic ABS and biodegradable PLA, which are converted into finished products in industrial FDM printers. Products from 3D printer are usually single-action models, which must be disposed of after use. However, synthetic polymers are not able to decompose ...

The paper presents the technology of controlling a beam made of the Polytech material. The innovative Polytech technology was used to construct buildings made from prefabricated units. The Polytech system requires analyses and verification of the detailed data related to the strength and deformability of the elements used for building construction. A control technology was suggested that involved installation of a fiber Bragg grating deformation sensor on the surface of the investigated beam. Thanks to properly de...

Scientific and technical progress created conditions for rapid development and introduction in surveying - geodetic production essentially and qualitatively new measuring and processing technologies. These technologies lay the foundation of formation and practical application of results of the geodetic measurements differing in more productivity, technological effectiveness and essentially important - bigger accuracy in comparison with traditional technologies [1]. Installation of the permanent base station of dif...

The purpose of this paper is to investigate the environmental effects of the telecommunications usage, residential and business, by assessment of the changes in the energy consumption in Bulgaria during the period 1994-2018. Bulgaria is one of the EU countries with the largest decline in energy consumption during the last decades. Many factors influence the amount and efficiency of energy consumption. The present research is based on the assumption that telecommunications cause energy consumption. The change and t...

The upward trend in Earth's surface temperature observed is the most visible manifestation of ongoing climate change, especially since the second half of the eighty?s and especially in Slovakia since the early 1990s of 20th century. While the global average temperature of the ground-level atmosphere has risen by almost 1 ° C since the early 20th century, central Europe, including Slovakia, it has twice as fast warming (at least 2 °C) over the same period. For the purposes of designing and assessing cement-concrete...

The lecture deals with the issue of newly approved territorial ecological limits. Mining - technical conditions of mining or mining - geological conditions together with the optimal choice of the concept of mining procedures predict the efficient and safe use and extraction of a reserved mineral deposit in a given mining area. The mining space must be determined and define on the basis of mining ? geological conditions of every mining location due to the application of all the principles contained in the Mining la...

Loop heat pipe is ingenious cooling device to remove waste heat from power electronic elements used in the specific applications e. g. where does not require forced cooling and where is not space for placement a big air cooler. Loop heat pipe transfer heat through the phase change of the working medium circulating in closed loop of the loop heat pipe. Ingenious of this device is in the heat transport without using any moving elements and gravity field. This work deal with experimental evaluation of cooling efficie...

The aim of the present paper is to test intensity attenuation relationships for subcrustal earthquakes occurred in Vrancea (Romania) seismogenic zone in relation with some important dams situated in extra-Carpathian area. During centuries, the Romanian territory has been shaken by strong earthquakes, most of them being centered within Vrancea Zone, which is situated at the bending area of the South-Eastern Carpathians. Most of the zones from extra-Carpathian area are affected by the subcrustal seismic events, wher...

Phosphorus is the most important biogenous element that is fundamentally necessary for biological reproduction in all its forms. The occurrence of phosphorus, in the Earth?s crust like carbon, is an example of geochemical relations. Approximately 170 known phosphor minerals in nature. The basic supplies of phosphorus in the earth crust concentrates in apatite that bonds about 95% of the total quantity of phosphorus in the lithosphere. Phosphates - of world production (80%) comes from sedimentary deposits. We have ...

The agri-environmental policy of the CAP is not new to the EU. It has been developing for over twenty-five years, as agriculture is the sector directly dependent on abiotic and biotic environmental factors. On the eve of the new programming period (2021-2027), challenges in relation to the environment, climate and sustainable agriculture are increasing. In the context of deepening environmental changes, the risks to agriculture are limited to: changes in agricultural land; reduction of agricultural productivity; r...

Agriculture is the main source of ammonia emissions. It generates around 75% of global emissions of ammonia to the atmosphere and soil manure accounts for half of agricultural emissions. Ammonia emissions have a negative impact on ecosystems and human health, as it is able to accumulate both as solid particles and as an integral part of acid cases. Measures to reduce ammonia emissions can be divided into three large groups: the first group is ammonia-reducing measures in animal housing, the second group is ammonia...

This article contains the results of research related to the groundwater quality deterioration issue in the northern part of the Crimean Peninsula under intense usage conditions. The most trustworthy forecasts for changing hydrogeochemical conditions in the further groundwater extraction can be based on geo-migration models, the creation of which requires much information about aquifers, which is not available. This paper aims to analyze hydrodynamic and hydrogeochemical conditions of the explored territory to val...

The research of some features of the population distribution in the North of Russia has been presented in the paper. The aim of the research is to reveal systemic and prospective problems of population density estimating in Russia?s northern regions. The objects of the research were the subjects of the Russian Federation, fully or partially located in the Zone of the North. The population density in the North of Russia has been analyzed in the paper. The information concerning the area of the Russian Federation?s ...

In this article, we want to highlight the dynamics of recent years with regard to cadastral records from the perspective of open data provided by ANCPI. In 2016, the General Secretariat of the Government started the project Improvement of the Quality and Number of Open Data Sets Published by Public Institutions - SIPOCA 36, co-funded by the European Social Fund for 2014-2020. Government data are considered open if it is made public in a way that complies with the principles below: complete, primary, timely, access...

The forests represent an important ecostabilizing factor in the country and soil is a component of the environment conditional on biodiversity, nutrition and the existence of life. Currently, there is shifting the focus from the protection of the soil fund area to the protection of soil and forest quality, while understanding the production function of soil and forest as part of their environmental function. The paper?s aim is to describe the chemical and physical characteristics of soils of the mixed forests. The...

This paper deals with the calculation of rock volume located in the hard-to-reach terrain of a water dam. During the reconstruction of the safety slip of the water dam, it was necessary to remove this rock and to determine the volume extracted at a particular stage of the construction. In addition, calculations of the total amount of rock above the given coordinates of the reconstruction project were solved. The reason was the need to know the amount of rock that still needs to be excavated to get the builders to ...

Besides the effective traffic management on sections of the road network, important for large cities and metropolises, the problem of eliminating the negative consequences from the delay points is topical. The delay point is the part of the road network on which the vehicle has to stop or slow down due to obstacles. The greatest difficulty is the fight against unforeseen delay points that occur on multi-lane roads at an arbitrary time in an arbitrary location. Examples of such delay points include traffic accident...

Operations conducted by petroleum industry generate a whole range of drilling waste materials. In oil & gas industry, the most common wastes consist of used oil or water-based drilling fluids, bore dusts, and cuttings. The chemical composition of drilling waste and its toxicity depend primarily on the geological and technological conditions of drilling, the type of drilled rock deposits, type and composition of the spent drilling mud and also on solids control equipment. Sustainable waste management became one of ...

In modern conditions of waste disposal is extremely relevant. Issues arising from the disposal of waste material, even in small quantities, are relevant to most countries of the world. In mining, they entail the solution of a whole complex of problems associated with the disposal of waste mining enterprises, rational use of underground waste space, preventing negative effects on the environment (natural and urban). The use of underground waste space makes it possible to utilize the waste of mining enterprises, to ...

The introduction of competence-based approach in higher education intended to increase the practical orientation of the training process, its connection with the life and future professional activity. To reach this traditional teaching methods are complemented by innovative ones creating conditions for student activity putting him in a free choice and decision making situation. The article is devoted to the case methods use in the educational process as an active tool of professional training of natural sciences t...

In recent years we see a growing interest in renewable and green energy sources. Particularly noteworthy are photovoltaic system PV which can provide us with energy from solar radiation. The most important factor for such an installations is solar insolation. Concentrator technology allows to focus solar light on the surface area of the solar panels which allow us to increase the electricity production. There are many solutions which grant us the possibility to increase the performance of PV installation, for exam...

Degradation of soil cover is one of the most important problems in modern environmental management. In this paper, the results of field studies of changes in the dry steppe soil cover depending on grazing intensity are presented. The study area is located within the dry-steppe zone of the Russian Plain on the western slope of the Yergeninskaya Upland in Remontnesky District of Rostov Region. The soil cover is represented by Kashtanozems and Solonetz. In the vegetation cover, wormwood-grass associations prevail. As...

The authors studied the change in the content of dissolved total iron, pH, Eh and mineralization of water bodies of the Azov sea catchment were constructed according to the megaprofile "Mine waters of the coal mining area, sedimentation and aerators ponds, small rivers (Eastern Donbass) ? Don River - Taganrog Bay - Azov Sea". The content of total dissolved iron decreased when moving from the area of mine waters to the Azov Sea, and the values of the hydrogen index, in the same direction, increased. For mineralizat...

Forest resources are the most significant natural wealth of the state of Latvia. According to the data of the 2nd stage of the forest resource monitoring for 2014, Latvia has 3575 thousand hectares of forest land comprising 55.3 percent of the total territory of Latvia, while the total timber stock estimated at 668 million cubic meters. Each forest stand has a certain amount of undergrowth and understorey ? small dimensions woody plants (shrubs) which is few researched until now. The most precise determination of ...

The study of the properties and immobilization of various therapeutic agents on natural carriers is an actual task of medical biotechnology and bioorganic chemistry, since this allows creation of stabilized, biologically active drugs with controlled release, as well as a targeted site of action for use in various fields of medicine. Such therapeutic agents can be used as cleansing, antibacterial and (or) antioxidant treatments. The loss of biological activity of the materials, which contains various therapeutic ag...

The information system interface consists of various elements. Attention of the user decreases when working with a large amount of information. The authors suggest that it is possible to implement recommendatory (adaptive) modules for users, using changes in the graphical part of the interface. Such changes are called interface personalization. Personalization allows you to focus the user's attention on the most relevant elements of the user. To reduce the resource consumption of recommendation modules, it makes s...

The aim of this article is the possible impact of climate change on the components of water balance. Climate change has a non-negligible impact on the hydrological cycle and water resources. In this paper, simulated changes in the water balance in the selected river basins due to climate change were estimated using the WetSpa model. Distributed rainfall-runoff model simulations are often used to evaluate the impact of changes on the generation of runoff and water balance. The parameters of the model were estimated...

The deteriorated state of the environment with various degrees of devastation in individual regions is negatively implicated in the health status of the population and the quality of the ecosystem. Inorganic contaminants, especially potentially hazardous elements, are a serious problem in all environmental compartments. Heavy metals also belong to the priority inorganic contaminants. Many of them act toxic in the terrestrial ecosystem, even at low concentrations. Their toxicity consists of replacing essential meta...

The level of contamination by heavy metals and arsenic (As) was estimated in post-agrogenic Retisols, Phaeozems, and Chernozems, belonging to different bioclimatic zones of European Russia. Each chronosequense included arable soil, abandoned soils of different age of restoration and native (forest or steppe) cenosis. The content of organic carbon, total nitrogen, pH value, total amount of heavy metals (Mn, Zn, Cu, Cd, Cr, Ni, Pb, Co), and As were measured in mixed soil samples collected in the former arable horizo...

Accumulation of trace elements in aquatic organisms is an important problem associated with environment pollution and with their utilization for consumption purposes. The aim of the conducted research was to assess the content of Zn, Co and Ba in water and in selected organs of fish of blotched picarel (Spicara maena L.) and haddock (Merlangius euxmus L.), from Karantinna and Balaklava Bays in the region of Sevastopol. The second aim was to determine the level of bioaccumulation of these elements in organisms used...

Microstrip directional couplers are made on microwave substrates, which consist of various dielectric materials. With a decrease in the operating frequency, the dimensions of the coupler increase, and more material is required for their manufacture. To reduce the consumable material, you can use different approaches to miniaturize the couplers, this will reduce the size of the device while maintaining its characteristics. So this article presents the results of research to reduce the occupied area of a flat crosso...