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A large amount of geological, geophysical, geochemical and other materials of various contents and scale has been accumulated in Kazakhstan because of the work of several generations of geological researchers. At this stage of geological research development, an actual problem is the possibility of processing and mastering this data based on modern geoinformation technologies (Mapinfo, Arcgis, Micromine). This new approach to the methodology of geological research allows the transition from a qualitative assessmen...

Glucose on an industrial scale is obtained in anhydride (at a temperature above 50 0C) or hydrate form (at a temperature below 50 0C). The crystallization process is conventionally divided into two stages: nucleation ? the formation of nucleus and their growth to crystals of technical dimensions. The most difficult stage is the formation of nucleus during the crystallization of hydrate glucose. Spontaneous formation of nucleus is slow and they have a fragile needle shape, from which it is difficult to grow technic...

Buildings produce about 30 % of all greenhouse gases and consume about 40 % of globally produced energy. Construction industry significantly contributes to climate changes. An approach to limit production of greenhouse gas is construction and operation of buildings according to the principles of sustainability. There are 186 certified (green) buildings in the Czech Republic. 48% of them are office building. After them, 29% are industrial areas. The LEED and BREEAM global certification programs and one local certif...

The underground mining development in Low Tatras focused primarily on gold, silver and partly iron ore exploitation began in the Middle Ages. At the end of the 16th century, manually created mining underground spaces (vertical shafts and horizontal galleries) were already 100 m deep and several hundred meters long. The mines were situated also at the top of the mountain range at an altitude of approximately 1400 meters above sea level. During the 16th century silver mine called St. Michal was created on the ridge ...

The influence of oil pollution on the set of indicators such as barley productivity, availability of macro- and microelements and also enzyme activity of the soils was profoundly investigated. The researched objects were the arable horizons of both leached chernozem and soddy podzolic soils, containing different amount of oil (2000 mg/kg, 3000 mg/kg). Besides, the ones without contamination were revealed. The higher is the dose of pollution, the higher is the average pH value. According to the studies conducted, o...

Plants are the main recipient of heavy metals found in soil, being at the same time a source of these metals for plants, animals and human organisms. The search for methods limiting the availability of heavy metals remains valid. Many years of research are being carried out at the Warsaw University of Technology, regarding limiting the availability of heavy metals to the trophic chain by introducing into the soil organic matter. The aim of the study was to analyse the content of heavy metals (Zn, Pb, Cd) in radish...

Recent studies has shown that road traffic pollute the environment not only by generating exhaust gas emissions but also by the suspensions produced from tyre wear. Due to their composition (natural rubber, synthetic rubber and other chemicals), vehicles tyres through the interaction with the driveway pollute the environment. This process can be accelerated in a negative manner by the appearance of some technical malfunctions of the steering system. Thus, by a quick and efficient diagnosis of the steering system e...

Reducing gas emissions which affects the Earth's climate system is an important goal of vehicle operation. In order to achieve this objective, the operation of motor vehicles and their component systems must be carried out under the most efficient conditions. The maximum efficiency can be achieved by knowing in detail the technical state of the vehicles, and depending on the diagnosis defects by performing maintenance activities in order to maintain the technical state at an appropriate level. The aim of this pape...

The positive effects of biochar on soil structure were demonstrated in many studies. Substantially less, even information on the interrelationships between Al, Fe forms and soil structure induced by biochar application as well as its re-application is still absent. Therefore the aims of this study were: (1.) to evaluate the changes in soil structure parameters affected by biochar application and its re-application in different rates (0, 10 and 20 t ha-1), (2.) to evaluate the effect of biochar application and re-a...

Iron precipitates mainly in the form of hydroxides and phosphates. The study of this process in field experiments using Fe2(SO4)3 additives is of great scientific and practical interest. Since phosphorus compounds are involved in the processes of eutrophication of water bodies. To study the patterns of changes in phosphate concentrations with the addition of iron (III) ion, absolute and relative concentrations of phosphorus and iron in the form of FePO4 were calculated. Then an experiment was performed to add the ...

The production of electricity and heat is based on a number of fuels, with fossil fuels being the most widely used fuels at present. Electricity is mainly produced by generating steam in boilers for the combustion of sorted fuel and feeding it to the turbine that drives the generator. Combustion plants are operated on demand and energy demand, either as large utility plants or as industrial combustion plants providing power in the form of electricity, mechanical energy, steam or heat for industrial production proc...

The process of road construction in Poland, including mainly new sections of motorways, was intensified until 2012, when preparations for the European Football Championships were underway, to which events Poland was a co-organizer. And although this process has contributed to a significant improvement of the road network - various categories (mainly motorways and expressways in the east-west direction), the satisfactory state of road density and technical condition is lacking. Technical, financial and legal aspect...

The Laptev Sea region is one of the most interesting because it is a transition zone between the spreading Gakkel ridge and the structures of the continental margin of the Northern Eurasia. Nevertheless, the region is relatively little studied, leaving many questions open concerning its seismic and geodynamic characteristics. The purpose of the paper is an introduction into the Laptev Sea region seismicity, seismotectonic and geodynamic characteristics including short overview of local overland and offshore instru...

Diversity of nature does not apply everywhere and without exception one way to protect against flooding. The prerequisite for an effective response to the flood situation is the emergence of continuous monitoring of meteorological and hydrological situation. The aim of this article is to contribute to the prevention of flood not only wrote but to take into account the impact to society. The purpose of this paper is to define the current state of notification and warning of floods in the Slovak Republic. In the pre...

The problem of project management in modern management is developed in detail and brought up to standards. However, in conditions of high uncertainty of the external environment, agricultural enterprises need to make optimal use of resources and improve the quality of business processes in the organization in order to adapt quickly to various changes. The paper proposes the author's concept in improving the management of business processes in agricultural enterprises. It is based on the hypothesis that the effecti...

Optimum reservoir recovery and profitability results from guidance by an effective reservoir management plan. Success in developing the most appropriate reservoir management plan requires knowledge and considerations of (1) the reservoir system, including rocks, fluids, and rock-fluid interactions, as well as wellbores and associated equipment and surface facilities; (2) the technologies available to describe, analyze, and exploit the reservoir; and (3) the business environment under which the plan will be develop...

This article is dedicated to the peculiarities of geology development in higher educational establishments in Russia in 20-21 centuries exemplified by two Tomsk universities ? Tomsk State University and Tomsk Polytechnic University. The theme is discussed in regards to transformation of the finance system for geological practices during the transition from planned to a market economy. This transformation has led to a slack demand for some types of geological works, which further brings us to discrepancy between th...

Aerogels are promising materials for use in various industries such as chemical, pharmaceutical, medicine and food industry. These highly porous materials have unique properties, including high adsorption capacity, which makes it possible to successfully impregnate various substances into aerogels: active pharmaceutical ingredients (APIs with low solubility and bioavailability), various oils (for example, high volatile), additives for the food industry (vitamins and aromas) and many others. The aim of present inve...

Our new perspective on possible cosmic causes of the tectonic phases as well as our attempt to elaborate a cyclostratigraphic chart of the Neogene for Central Paratethys, imposed a reconsideration of the key data on the Wallachian tectonic phase. Especially since this important moment was ?abolished? by some modern authors. The Wallachian phase was defined by Hans Stille in connection with the Neogene?Quaternary limit. But this German geologist relied on the data of Romanian geologists who published, from 1907 to ...

Modeling the elastic properties of rocks may be one of the characteristics of the investigated geological section. In modeling, a connection is established between the main characteristics of the reservoir: porosity and pore shape, saturation, and mineral composition. In this article, the results of petrophysical interpretation and modeling of the elastic properties are presented on the example of sandy deposits from one of the fields in Western Siberia. At the first stage, the well with a full geophysical complex...

This article is dedicated to the problem of interaction between regional geological practices and geological education in the classical university exemplified by Siberian educational entities. Turning to real geological works in classical universities can reveal new aspects of geological knowledge for historians and methodologists of geology. It is important to emphasize that regional works are fundamental for all types of geological practices. It was proved that decline in funding for regional geological works th...

Research is deservingly considered the one of the engines driving economy. Even in times of crisis, the economic entities that have focused on this activity have reaped its benefits, especially after the crisis had passed. Research and development is not just about finding new products, materials, etc., adopting or diversifying services, but it has taken into account the most important factor for the achievement of this activity: the human component. Without the involvement of humans in this activity, especially r...

Steel industry has a huge impact on the environment and the air, in particular, producing thousands of tons of gases, including blast furnace gas, gases from oxygen converter processes, coke industry gases, ferroalloy industry gases. Due to this fact, the removal of gas impurities is essential nowadays. In this paper we did the literary analysis of how to remove sulfur impurities from air emissions using different types of sorbing agents. This paper contains the researches about sorption of impurities using zeolit...

AkzoNobel?s (now Nouryon) reagents from the class of alkylhydroxamic acids were assessed as collectors to float the titanium-based perovskite minerals. Hydroxamic acids can form strong complex compounds of various structures with transiting metals, which leads to their widespread use not only in analytical chemistry, but also in mineral processing. In the series of reagents under study, in addition to the traditional octyl-hydroxamic acid, we considered hydroxamic acids obtained from natural raw materials and diff...

The article examines the experience of using geographic information systems (GIS) in the preparation of specialists of geographers in higher education institutions of Ukraine. Educational and professional training programs for geographers at the Kherson State University are represented as a basic model. The main accent is put on differences of programs according to the existing three specialties, for which the training is carried out: 103 Earth Sciences, 106 Geography and 014.17 Secondary Education (Geography). Th...

The problem of global warming is currently very actual. In a recent year, some constructions projects have caused a rapid and, in many cases, ill-considered building boom. Many buildings were not being built with the greatest possible adaptation to the environment. People who lives in these locations can feel uncomfortable because of noise of construction machines, air pollution or reducing green areas. One consequence is the overheating of parts of the towns. Many of them are located in concrete places, where is ...

Lots of employers expect from their employees, apart from professional competences, a team work ability and ability to effectively implement team projects. However, few high schools and faculties in their curricula provide students with knowledge on teamwork, and therefore, graduates do not have appropriate competences in this area. In the course of studies, students usually learn about advanced IT tools for specialized applications, but they are rarely taught how to use groupware. As a part of the course on Infor...

The early 21st century is a time when unmanned surface vessels (USV) are used in various measurement applications. Modern autonomous and unmanned vessels are increasingly often used in bathymetric measurements whose aim is to measure the seafloor with the sufficient positioning accuracy. Therefore, the use of USVs in hydrography can be seen as the beginning of a new era in this regard. This paper presents bathymetric measurements with the use of an unmanned surface vessel in waterbodies of the Republic of Poland w...

This paperwork makes an analysis of the influence that the noises and the vibrations have on a biomechanical model on the human body at different frequencies. Besides the harmful influence on the hearing acuity, the noises have also a harmful effect on the organism through the appearance of some changes on the physiological balance. Driving the car generates noises and them being received by the driver is done consciously, with pathological implications long-term. The harmful effects of the noises are amplified by...

The main aim of the work is to determine the distribution of waste mass in the process of mechanical transport on sliding, reciprocating and cylindrical grates. The mass distribution in a layer on the grate is caused by the loss of the waste material during combustion. The work uses the formulas from the literature describing the mass transport of waste on the grate. The scope of the work did not include experimental investigations of waste incineration in a layer on a grate, on a laboratory scale. The results of ...

In this paper, a mixture PVC/PHB was filled with a natural filler, such as wood flour (WF), was investigated. These polymeric composites were obtained by rolling. Thermal, thermomechanical and mechanical properties of polymer composites based on PVC containing various amounts of wood flour are studied. It has been determined by differential scanning calorimetry method that the glass transition temperature of PVC decreases with a decrease in the percentage of PVC in the mixture. For these composite materials, the T...

The topic addressed in this paper is related to two waste management (poultry manure) objectives: reducing environmental impact through combustion, and energy generation. Poultry industry waste is produced in large amounts and cannot be always used as a fertilizer. Its storage needs large sites, but if they are improperly designed could affect the phreatic groundwater. The paper is organized as it follows. The first part presents the energy characteristics the waste samples analyzed (they come from a poultry farm,...

Pressure cylinders are commonly used in industry and in health services as well as in laboratories, ordinary households, and accommodation facilities. Their usage, however, is collocated with considerable risk during filling, transporting, and usage, as well as storing. The risk is predominantly influenced by the type of gas inside the pressure cylinder. Gases inside the pressure cylinder can be liquefied, compressed or dissolved. If the cylinder containing gas is exposed to a higher temperature or fire, destructi...

The energy consumed by buildings accounts for approximately 40% of the total consumption and one-third of the greenhouse gases emissions around the globe. And as the demand for energy increases rapidly, a way of improving the utilization of latent energy around us is accomplished by the use of the Phase Changing Materials (PCM) in the building insulation to reduce the energy consumption rate by one of the PCM application categories, passive, active and free cooling methods. In this paper, an experimental model was...

The paper discusses the geochemical forms of some trace elements (As, Cu, Zn, Cr, Pb) which were identified in bottom sediments of rivers in different landscape conditions. Sediment types were divided into three groups in depending on the lithology and organic matter content: sandy and sandy-loam, typical for the northern part of the Semba Peninsula; silty-sand and loamy sediments with low (up to 7%) content organic matter (Warmia Upland); loams with high (up to 12%) content of organic matter (Polesskaya Lowland, ...

Bituminous sandy rocks occur in the area between the river Volga and Ural mountains (Republic of Tatarstan, Russia) in the sediments of the Permian age. According to the mineral composition, they belong to the graywacks and are composed of quartz grains, feldspars, effusive fragments, etc. The study of their composition and structure was carried out in order to identify the factors of localization of oil and bituminous substances. However, mineral particles of pelitic and smaller dimensions remained practically un...

Thin-layer chromatography is a useful and environmentally friendly analytical tool still with potential for the future. As a planar chromatographic technique has a wide spectrum of applications and it can be complimentary to other chromatographic techniques like, for instance, high performance liquid chromatography. Separation on thin-layer was performed for the very first time by Izmailov and Shraiber in 1937-1938. They called the new technique spot or drop chromatography and used it for separation of selected pl...

Wind power, via wind turbine, transforms mechanical energy to electrical energy. It is an alternative to burning fossil fuels, it is plentiful, renewable, widely distributed, clean, produces no greenhouse gas emissions during operation, consumes no water, and uses little surface of land. The net effects on the environment are far less problematic than those of fossil fuel sources. This paper proposes a forecasting model based on time series technique for wind power energy generation. The increasing use of renewabl...

This paper reports on a study of the sorption of toluene vapours on three medium-volatile bituminous coals from the Vaclavovice, Paskov and Trojanovice mines in the Upper Silesian Basin in the Czech Republic. The coal samples were characterized using various petrographic, chemical and porous texture analysis methods. Toluene sorption and desorption isotherms were measured on powdered coal samples at temperatures of 30°C and 50°C and at pressures ranging up to saturation, using a gravimetric sorption analyzer. The ...

The concept of bioeconomy began to actively take shape in the world in the mid-2000s, when the Organization for Economic Cooperation and Development (OECD) and the European Commission (EC) began to develop programs to promote the bioeconomy in different countries. Documentation in the field of bioeconomy is a challenge for research, as official statistics report data on traditional sectors without distinguishing between synthetic and biological production. Therefore, indicators for the bioeconomic field are curren...

The most pronounced observed climate change is the rising surface temperature of the Earth. In view of extreme weather events, existing risks and possible consequences, adaptation to the adverse effects of climate change has become a global challenge in recent decades. The interaction between climate change and its possible consequences is a complex and very dynamic system that needs a great deal of information to be properly managed. These facts were also reflected in the Council of the European Union, which appr...

The present paper comprises a complex topographic survey for the identification and registration of a farm type immobile consisting of company headquarters, stables, silos and concrete slabs for registration in the land book. The farm where the topographic works were executed is a farm specializing in the breeding and fattening of buffaloes, the production of milk and its processing. It was set up in 2007, and the initial constructions were built between 2007 and 2015. The farm is located at the entrance to Pecica...

Nowadays, according to the current century, the one of speed and information, the way of calculating the volumes of aggregates is desired to be much faster and more accurate in every aspect. The volume designates the property of a body to have three-dimensionality, that is development along three perpendicular axes on which the length, width and height are measured. All three those dimensions are actually length values that define the place which that object occupies in space. The theme of the project is to calcul...

This article describes the key features of the automatic speech recognition systems training process that can be used in a work of chat bot or voice assistant. Importance of research in this area is grazed. Difference between chat bot, voice helper and voice assistance are explained. Basic requirements for correct chat bot usage are formulated. Some common automatic speech recognition systems are reviewed. Kaldi and CMU Sphinx has been used as an open source systems? example. The whole installation and training pr...

In technical literature many specialized scientific materials are available which treat the elimination of solids and oil from water injection, the newest approaches being oriented towards the process with low power consumption as with most modern facilities in order to improve the available technologies. For groundwater, the analyzes that are carried out are to determine the degree of pollution with liquid or gaseous petroleum products. The natural state of the underground water is influenced by the characteristi...

Forests and the land where the forests grow are some of the key natural resources in Latvia. Forests occupy half of the total area of Latvia. Unlike other countries where deforestation is a problem, the forest area increases in Latvia owing to natural and artificial afforestation activities. The paper analysed changes in the reforested and afforested areas in Latvia in the period 2007-2017 and found that the most essential factors contributing to the reforestation and afforestation were national and European Union...

Volatile organic compounds (VOCs) play an important role in the IAQ evaluation process. Chemical contaminants emitted by dry building material and indoor equipment influence long-term indoor air quality. VOCs adversely affect both occupant comfort, productivity and health. Most of the health hazards related to VOCs emissions occur during the first months of occupation or after refurbishing the building. At present, most people generally spend up to 90% of their daily time in the indoor environment. Humans spend al...

Modernization of the real estate cadastre is a set of technical, organizational and administrative activities aimed at gradual improvement of the quality of data collected there. In the real estate cadastre's database, the key importance to the quality is whether the accuracy of the location of objects corresponds to the assumed formal and legal purposes and the expectations of users. The accuracy of determination of coordinates of border points has a direct impact on the uncertainty of area estimation, which is a...

The purpose of this research is the treatment of Domanik shale oil (DSO) by supercritical water conditions. The experiments were carried out at 400 oC and with different residence times at 140, 300 and 480 min. The DSO is powdered and mixed with distilled water then loaded in the batch reactor and they were heated until reach the desired conditions at 400 °C and of 265.9 bars. The results reveal a great dependence of the product yield and quality at the residence time. Similarly, the obtained products were analyze...

At present, heavy oil and natural bitumen in supplying the world?s demand for fuels and petrochemical feedstock is increasing, because of the reduction of light traditional oil reserves. Heavy oil is characterized by its high viscosity, which creates difficulties in it?s productions as well as transportations to refineries. Currently there are several ways to reduce viscosity of heavy oil to facilitate the extraction process. One of the most important methods is steam injection, but with the passage of time, this ...