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The former village Rosiuta, now neighborhood of Motru city, located in Motru mining basin, is surrounded by sterile waste dumps and lignite storage platforms. These are a constant source of particulate matter which is carried by the wind over the inhabited area and affects the quality of breathing air. In order to evaluate the powders dispersion from these sources, it was made chemical and granulometric analysis of the particulate matter on several material samples collected from the area. Based on various meteoro...

This paper is about how to build a cheap modern temperature control system on an existing manufacturing system. The authors designed and implemented the control system to a tunnel type furnace for burning bricks used in constructions at SICERAM S.A. Company, Sighisoara, Romania. The bricks manufacturing phases are described in order to help the reader to understand the process complexity and the graph of the entire loading/unloading process is shown together with the tunnel furnace schematics. Then, the graphical ...

Maintaining health and physical condition of astronauts during long-duration space missions requires measures to prevent microgravity effects. At present, such measures consist in practicing certain physical exercises, in using elastic suites, as well as in special medication. However, the efficiency of these solutions is limited. An alternative approach, technologically more difficult, but considerably more efficient, consists in producing a state of artificial gravity in the module inhabited by the crew. Such a ...

Multifunctional motor vehicles are equipped with one or more working mechanisms actuated by hydrostatic drive systems, which consume most of the power installed on such vehicles in which the primary mechanical energy is generated by an internal combustion engine, usually Diesel engine. Given the large number of daily running hours, (of multifunctional motor vehicles) the energy consumed by working mechanisms becomes important, the same goes for the expenses, and therefore it is required to be used with maximum eff...

Nowadays, after periods of time without precipitation, more and more frequent rains are coming in with very high flows in very short time. In case of extreme precipitation phenomena, sewer networks can no longer take rainwater flows, which often occur with large damages, often with loss of life. Drinking water is not renewable. That is why it is important to protect drinking water sources by using rainwater more efficiently. By recovering, storing and using rainwater, costs are reduced by treating and transporting...

Drilling fluid significantly affects all technological operations in the process of deposit drilling and completion. The main task done by the drilling fluid is providing proper drilling and cleaning of the hole bottom from cuttings as well equilibration of the rock mass pressure, cooling and cleaning the drill bits. Moreover the drilling fluid should minimize the damage to the permeability of productive deposits in the near-well zone and maintain stability of the wellbore walls. For providing the correct protecti...

Winter pumpkin represents a seasonal crop of health and food interest due to its nutritional composition. The aim of the present study was to comparatively evaluate the content of the main antioxidant compounds, carotenoids and phenolics, from pumpkin (Cucurbita maxima) pulp as related to different pretreatment conditions. Samples of pumpkin pulp were subjected to three pre-extraction methods, as follow: freeze-drying, oven-drying at 60oC and freezing at -70oC. Conventional extraction of carotenoids and polyphenol...

Winter pumpkin represents a seasonal crop of health and food interest due to its nutritional composition. The aim of the present study was to comparatively evaluate the content of the main antioxidant compounds, carotenoids and phenolics, from pumpkin (Cucurbita maxima) pulp as related to different pretreatment conditions. Samples of pumpkin pulp were subjected to three pre-extraction methods, as follow: freeze-drying, oven-drying at 60oC and freezing at -70oC. Conventional extraction of carotenoids and polyphenol...

The use of various ingredients in the formulation of yogurt, in order to diversify a dairy product particularly appreciated by consumers, is a constant concern for industry specialists. The paper proposes the use pumpkin seeds in the recipe of a classic yogurt, in order to improve its physico-chemical, textural and sensory characteristics. Pumpkin seeds, like other oilseeds, are in the attention of specialists because they are a very good source of proteins and dietary fibers. For the consumer, the increase in the...

The use of various ingredients in the formulation of yogurt, in order to diversify a dairy product particularly appreciated by consumers, is a constant concern for industry specialists. The paper proposes the use pumpkin seeds in the recipe of a classic yogurt, in order to improve its physico-chemical, textural and sensory characteristics. Pumpkin seeds, like other oilseeds, are in the attention of specialists because they are a very good source of proteins and dietary fibers. For the consumer, the increase in the...

Designing flat roofs has many issues and decisions. This can be, for example, the decision on how to close the flat roof. By default, roofs are terminated at the periphery by means of attics or by creating a so-called rigid edge of the roof. This paper focuses on the first option, and therefore the termination of the flat roof using the atics. The author is dealing with the findings with regard to the way the proposal is implemented and the subsequent realization of the details. As a major waterproofing layer, fil...

Romania has an important rail network, of public use, consisting of about 10764 km of railway, some of which are affected by instability phenomena. Although the percentage of areas affected by instability in the entire network is insignificant, railway sections have some peculiarities, any difference in the order of the centrimetres appearing at the upper level of the rail can lead to the closing of the line, with important financial consequnce. The surface, affected by the instability phenomen was about 4,000m2, ...

World is changing rapidly. We are facing new reality and challenges. New global and complex solutions are needed to adapt to future reality. Tasks about landscape are coming to the forward more and more. It is necessary to speak about role of landscape in our life. Many points of view need to take into account when we want to speak about landscape and changes which are waiting for us in next decades. Question for researchers is how to obtain the best data for the best suggestions and recommendations for policy mak...

Economic activities in Jiu Valley, as integrated components of major geographical entities, are constantly degrading the area?s natural heritage by depositing large quantities of waste products resulted from coal extraction and preparation, abandoned buildings and poorly refurbished sites. In this respect, the current paper addresses these areas by identifying and classifying the potentially contaminated/contaminating industrial sites in Eastern Jiu Valley, depending on the type of activity carried out on site. Th...

The first results of using adaptive regression modeling (ARM-approach) in description of the latitude periodic change are analyzed. A multicomponent (polyharmonic) model of the latitude part observed dynamics containing between 14 and 21 harmonics requires interpretation and autoregressive forecasting of the 6th order providing high accuracy for the period of two years. This article provides the analysis, modeling, and forecasting of the latitude periodic change using the ?Automated System for Robust Modeling? (AS...

Murmansk region is a most dynamically developing region of the Arctic Zone of the Russian Federation, which combines many conflicts in the types of nature use by various maritime sectors, with a negative impact on fragile Arctic ecosystems. The existing Russian and international experience in the application of the concept of marine spatial planning (MSP) was analyzed in terms of its application for the Russian Arctic and the current state and prospects of the socio-economic development of maritime complex was stu...

To live in Global Information Society we should constantly increase our knowledge. The wish to possess core competences is a main reason of lifelong education. Due to Open Society and development of ICT teaching methods are changing. Education 3.0 based on the idea of connectivism involves collaborative learning. The article describes the experience of integration Massive Open Online Course into the process of formal education within the framework of students' self-work. The authors analyze results of an experimen...

Methane and carbon dioxide are among the most active of greenhouse gases that contribute to climate change. Anthropogenic sources have a significant share of their emission into the atmosphere. One of the major sources of emissions of these gases can be exploration activity and operating oil&gas industry. It is associated with the possibility of uncontrolled migration of reservoir gases in the course of work consisting of geological exploration and recognition of hydrocarbon deposits by drilling. In connection wit...

Lately, high penetration of intermittent renewable energy sources into power systems requires, besides efficient technologies employment, developing adequate control strategies to improve their performance. Given that their operation flexibility is constrained by short timeframe of foresight, energy storage systems represent an attractive solution that can mitigate the natural variability of renewable power plants electricity output, providing therefore enhanced quality of supply. The nonlinearity and uncertainty ...

The article deals with the modeling of the structure of the e-learning website with the possibility of changing the user interface in accordance with the information needs of users. The most popular content management systems (CMS) and learning management systems (LMS) have many necessary features, including using an uncluttered modern editable interface and configurable LMS front page of the e-learning course. But, as a rule, these systems do not contain the component that would be responsible for the ability to ...

Methods of deductive inference that are various modifications of the principle of resolutions are quite effective in logic. The results and justifications for the fuzzy conclusion of the resolution type are widespread in the predicate calculus. The existing models of the resolution inference are effective, and also quite simple and convenient, for conventional reasoning under incomplete information and for automatic processing of uncertain knowledge in interactive systems. However, in such models the set of genera...

The integration of a building into the environment can be achieved both from the architectural point of view and from the point of view of the used building materials, thus remarking material used since ancient times, namely wood. Wood is an organic, sustainable, environmentally friendly material that can reduce carbon dioxide emissions Due to the latest environmental protection requirements, economic issues related to construction costs and architectural diversity, it has been necessary to develop technologies re...

An important problem of modern civilization is the aging of societies. The effect of this phenomenon is and will be limited access of enterprises to young and middle-aged employees. This problem also applies to coal mine. First and foremost, young and middle-aged employees work in them. Therefore it will be necessary to undertake actions aimed at stopping already working workers and employing older people in the case of shortages. Extending the employment time in mining enterprises requires a proper approach to th...

Experience has shown that all buildings and constructions are subject to displacements and deformations. There are no absolutely stationary and non-deformable constructions. Deformations are also caused by variable loads acting on the construction. For example, loads caused by wind, solar radiation, vibrations from machines during operation, seismic stress and others. The area in which the tallest building in Romania, i.e. the 351.5 m smoke chimney in Baia-Mare, is located has a very low seismic activity. In these...

The necessity of fulfilling as many conditions as possible in the specification resulted in the creation of composite materials. This idea developed in the aerospace industry was later used successfully in all industrial branches. The two materials that have been used are chemically distinct, each of which retains its properties in the composite, but provides the assembly with different properties and characteristics. Thus, for the continuous phase, the matrix was used an aluminum alloy, and for the discontinuous ...

Amiodarone (AMD) is an antiarrhythmic agent used for the treatment of ventricular arrhythmias, arterial fibrillation, and severe rhythm disorders. The main therapeutic disadvantage of AMD is its low oral bioavailability and low water solubility. The aim of the study was to obtain the hydroxylpropyl-?-cyclodextrin/AMD inclusion complex and to assess its degree of drug loading using a new HPLC method. The solubilizing effect of cyclodextrin on AMD was evaluated by the phase solubility method. The concentration of AM...

The paper presents the results of theoretical and practical research on developing the infrastructure for assessment of overall risk (explosion / occupational terrorist attack) associated with unwanted events such as major accidents that can occur at explosive storehouses for civilian use. The scientific research outlined in this article was carried out within the NUCLEU Project PN 16 43 02 15 - ?Research on increasing safety levels at technical facilities for storage of explosives for civil use?. The key element ...

When thinking about sustainable design, social sustainability appears to be a fundamental feature that must be considered when shaping people and communities. This broad subject is narrowly approached within the present article following one specific viewpoint; social sustainability can be defined in the design process by analyzing materials? potential in crafts` and industries` activities alike. Paper`s potential on both these levels, in developing, through its production process, small scale communities and larg...

The technology of Permeable Reactive Barriers in recent years is one of the most frequently developed methods of protecting the soil and water environment from pollution. These are zones filled with reactive material, in which during the flow of contaminated groundwater, contaminants are immobilized and/or their concentration is reduced to the limit values. Currently, there are relatively few deep installations compared to shallow systems (e.g. <10 m), resulting mainly from higher costs and technical difficulties ...

The development of measures to improve the transport networks of cities require studying the patterns of changes in their main parameters of traffic flows after the implementation of these activities. Investments in urban transportation networks should base on accurate methods of assessing the changes in the social-economic and ecological performance of transportation networks, due to the factors affecting them. The development of such methods is possible basing on patterns of changes in the characteristics of roa...

Technologies based on photogrammetric and remote sensing sensors represent the usual way for obtaining digital height and position data. This paper is dedicated to LiDAR data filtering for a DEM generation. The main purpose is presentation of a semi-automated method of filtering using mathematical and statistical algorithms for a valid data set. The method involves point cloud data filtering and interpolation. The principle of it is to validate an error free data set and construct the DSM from the last pulse refle...

In this paper we used the research done in a previous laboratory study in which we optimized the addition of seabuckthorn powder, rosehip powder and grape seed extract to the classic yogurt formulation. Yogurt with the best physicochemical and sensory properties was obtained by adding 1.5% rosehip powder and 0.5% grape seed extract, respectively 1.75% seabuckthorn powder and 0.25% grape seed extract to its manufacturing formulation. Prior to inoculation, the ingredients mixture was pasteurized at 85В°C for 30 minu...

In this paper we used the research done in a previous laboratory study in which we optimized the addition of seabuckthorn powder, rosehip powder and grape seed extract to the classic yogurt formulation. Yogurt with the best physicochemical and sensory properties was obtained by adding 1.5% rosehip powder and 0.5% grape seed extract, respectively 1.75% seabuckthorn powder and 0.25% grape seed extract to its manufacturing formulation. Prior to inoculation, the ingredients mixture was pasteurized at 85В°C for 30 minu...

In this paper, combined effects of carbon fibres treatment and compatibilizer polymers (PE-g-MA) on the structure and properties of PA/PE/PE-g-MA/ functionalized carbon fibres composites were studied. The optimum formulation was used to prepare a series of nanocomposites under different technological conditions. Also, a correlation between their physico-mechanical properties and IR spectra (ATR technique) was proposed. The carbon fibres functionalisation consisted in oxidizing the nanoparticles with oxidant mixtur...

The planned maintenance activities of the mining technological equipment are carried out on the principles of risk management and is done in order to prolong their duration of operation and to reduce the production cost. The quick possibilities of reducing production losses due to accidental stoppages of quarries and underground exploitation equipment, depend on the establishment and application of reconditioning methods of the subassemblies and spare parts that are frequently defects and replacement. The rotary a...

The concept of a ?passive House? has been introduced for the first time in Germany, subsequently being extended and at higher latitudes and different features climatic from those of Germany, in the south, west and south-west of Europe. Passive building has been defined by Wolfgang Feist, Passivhaus Institut, as being the building that demand for heating must not be more than 15 kWh/m? year, and total consumption of primary energy should not be more than 120 kWh/m? year. In this paper we strive to study at the conc...

For produce electricity from solar energy, it would be necessary for an inverter to convert the continuu current (DC) into alternating current (AC). The inverter is the cause of problems affecting the stability of the power supply system because it is a switching device used to adjust the AC frequency as required. At the same time, it can cause harmonics that result in waveform distortions and affect electronic devices that receive energy. Then it could cause malfunction of the electronic device. In this paper, we...

In the present paper, we present a part of the results of the questionnaire survey, which took place in the municipalities of 93 municipalities in the Presov region. The questionnaire contained 27 questions which, in addition to formal information on the municipality are focused on the occurrence and periodicity of floods, the time axis of the floods, the current state of preparedness of municipalities for floods, as well as the improvement/ worsening of the situation in the case of applied flood protection measur...

The recovery factor of gas reservoirs is highly dependent on various factors such as the type of drive mechanism, the initial reservoir pressure and the abandonment pressure. A higher attention is required to enhance gas recovery from reservoirs associated with water influx. Exploitation of this type of reservoirs represents a challenge for production operators in the sense that they have to find viable technical and economic solutions in order to increase the gas recovery of reserves. The selection process for th...

In recent years, bio-economics and alternative energy sources have become increasingly important in the economic environment of the European Union. The reasons for this development are not only environmental, but also economic benefits. The Union is seeking to increase investment in alternative energy sources, thereby promoting sustainable development, new jobs and the circular economy. Alternative energy sources, also known as renewable energy are inexhaustible sources of energy that do not pollute the environmen...

Background: The role of reporting on non-financial data and Corporate Social Responsibility (CSR) is constantly growing. Environmental information is of great importance for this information. There are no proposals for methods of obtaining this information using the existing accounting information system. For this purpose, the author proposes to use the pro-ecological value chain, which then can be a good ?base? in generating management environmental reports. Methods: The author used literature analysis in the fie...

To improve the technology of opening and development of oil fields for increasing the completeness of subsoil use, the prospects of using the electric pulse method of drilling are discussed. Validated the concept of creating an electric pulse tunnel system based on submersible source of high-voltage pulses with controllable formation of work space for increasing its maneuverability and creating special technological outputs in a rock mass for forming a cluster of slant and horizontal boreholes with most complete c...

The rocks exploited in quarries have certain physical, mechanical and technological characteristics that favors the intense wear, especially by abrasion of the active surfaces of the subassemblies of the technological equipment. Some spare parts and subassemblies are subject to similar wear phenomena, as is the case with the excavators bucket teeth in the lignite pits and the loaders cup teeth in the basalt pits. In the case of the basalt aggregates which are the main raw material needed for the development of the...

The temperature at the Earth?s surface can be estimated by ground-based methods or satellite remote sensing data. Satellite remote sensing is the only means of obtaining longterm homogeneous series of land surface temperature data. The network of ground-based observations usually is quite rare, so it is important to obtain information by remote methods. From the values of the thermal infrared spectral bands, it is possible to determine the radio brightness temperature of the underlying surface. The compilation of ...

Magnetic nanoparticles (MNPs) of iron oxides are increasingly used in many laboratory and medical applications such as hyperthermia, magnetic resonance imaging or magnetic drug delivery. Popular in medical applications are magnetite (Fe3O4) and maghenite (?-Fe2O3) nanoparticles. They have gained a great interest because of their low toxicity, biocompatibility, simple separation methodology, and low cost of production. A novel magnetic hydrogel adsorbent based on gellan gum and Fe3O4 (GG/Fe3O4) was synthesized and ...

The effects of global warming are becoming more and more felt by changing climatic conditions across the entire surface of the earth. Thus, in some regions of the Earth's surface, catastrophic floods have begun to occur more and more often due to the increase in both the occurrence frequency and the intensity of torrential rains. In order to reduce the flood damage, it is necessary to prepare hazard maps and flood risk maps. These maps are prepared using hydraulic simulation of the flood propagation on the waterco...

Research institutions and academia play an important role in developing new methods for disaster management and advancing the state-of-the art in risk reduction. In the case of natural disaster studies, fundamental research and theoretical approaches can be directed towards the development of new tools and technologies with direct applicability in the management of emergency situations and in risk mitigation. What needs to be considered by all those actors who can contribute to strengthening the response capacity ...

Under intense stress, energy consumption undergoes essential changes that largely depend on functional characteristics of the respiratory system, which in turn are in close correlation with the body?s training degree and physical demand. During a pronounced dynamic effort, there is a progressive decrease in blood oxygen saturation and an increase of pulse. Cardiac rhythm is a physiological parameter commonly used in telemonitoring as it allows the assessment of rescuer?s general condition, heart rhythm disorders b...

In the combustion processes the nature and concentration of the developed gaseous effluents depends on the type of materials that are subject to combustion as well as on the conditions in which the oxidation processes take place. The purpose of this paper is the experimental determination of the combustion parameters and the study of the developed gaseous effluents from several combustible materials. The production of gaseous products resulting from combustion results in different yields depending on several param...

This paper presents the research undertaken in order to establish a processing technology for the Budureasa dolomitic limestone. For this, a series of physico-chemical and mineralogical analyzes were performed, but also unitary processing operations such as grinding, calcination, gravitational concentration and flotation, and solubilization with carbon dioxide in an aqueous medium to obtain a MgO ? rich concentrate, usable in various fields of activity, under economic efficiency conditions. Mineralogical, chemical...