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Egypt is characterized by a hot desert climate. Most of the residential building occupants suffering from indoor environment because of the high indoor Temperature and the majority of buildings have poor design related to the climate. This paper investigates different passive design strategies to enhance energy efficient design and increase the performance of thermal comfort in a typical residential building in New Minia, Egypt. The approaches are conducted by computational IDA ICE 4.7.1 program to simulate differ...

This paper aims to provide an overview of the technologies of passive heating and cooling by using phase change materials, integrated in the interior elements of constructions, to ensure the energy efficiency and the reduction of carbon dioxide emissions from buildings, approaching in at the same time the new and existing buildings. Considering that ensuring the internal thermal comfort of the occupants requires high energy consumption, the use of phase change materials by creating a passive energy storage system ...

Pesticide use has shown the efficiency in protection of crops against pests, but also of some unwanted effects as persistence, biomagnification efficiency and impact on non-target organisms. Although their use become more conscientious and restricted in the last decades, they still could be found in different environmental compartments as water, especially due to their physicochemical properties and over use from past. The goal to increase water environment quality, opened the requirement to find optimal and eco-f...

Boggy deposits of the West Siberian Plain central are widespread covering min. 2/3 of the surface (excluding the floodplain) [1]. They are developed on all relief elements forming major wetlands, and their largest areas coincide with the I and II terraces raising above the floodplain of the Ob and its main feeders. Considering the Upper Pleistocene period, we will be concerned with MIS 3 deposits studied in the Kiryas section. In the beginning of MIS 2 (22-25 ths. years), the processes of deposition and peat accum...

The purpose of the study was the laboratory testing of the pendant seeder-spreader (production of China) as part of the universal unmanned aircraft system "OSA HEXA" based on UAV "OSA" (developer and producer was Bozon LLC, Moscow), in connection with which we solved the following tasks: 1) determination and assessment of performance indicators of the functioning of spreading device; 2) selection of the best modes of application of the test object; 3) selection of significant factors affecting the quality indicato...

Baltic Sea countries (Latvia, Estonia and Finland) are attracting more and more Japanese tourists during previous years. There are several reasons for this tendency ? the Baltic Sea region is safer in compared to Central and Western Europe and offers broad tourism opportunities. High potential exists in the Japanese tourism market in terms of rural tourism in Latvia, Estonia and Finland - in 2018 the number of Japanese overseas traveling reached 19 million, showing increase by 6% over 2017. The traveling patterns ...

At the present stage of greening of the old productive units, the demolition process using blasting works have an increasing application due to the reduced time consumption, labor and expenses. A large number of demolition works by using explosives and characterized by a high degree of difficulty, have shown that the use of the blasting technique is a proper alternative from the point of view of efficiency, quality and security. Each construction creates a special case, the calculation of the blasting parameters a...

Over the past few years, Russia has adopted some fundamental strategic documents to ensure the development of the Arctic zone of the Russian Federation (the Russian Arctic). The documents put forward the tasks of using the Russian Arctic as a strategic resource base for the socio-economic development of the country, with the importance of preserving the Arctic as a zone of peace and cooperation as well as saving local unique ecosystems. At the same time, the priority task of developing the Russian Arctic and ensur...

The significant impact of the mining industry on the environment is associated with the storage of ore processing wastes characterized by a low potential for self-overgrowing due to wind and water erosion, lack of structure and low moisture capacity of fine-dispersed waste substances. In order to conserve the stored ore processing waste and reduce their negative environmental impact, the Mining Institute has developed a technology that ensures the formation of sustainable grass sod without applying a topsoil layer...

Peat belongs to renewable energy sources; therefore, research into the state of reserves, use and development of peat extraction and processing technology is of great relevance, especially in areas with harsh climatic conditions. On the other hand, other sources of energy, such as coal and hydrocarbons, are exhausted and depletable. Against this background, the development of innovative technologies for peat extraction in harsh natural and climatic conditions is of great interest and prospects. One of such regions...

In 2018, the Cassini spacecraft discovered macromolecular (above 200 atomic mass units) petroleum-like organic compounds from the depths of Enceladus, a moon of Saturn. This breakthroug requires revision of the traditional geochemical correlations "composition-oil origin" according to the biogenic theory. We studied the hydrocarbon composition variations in oil samples and their change over time in the consistency of recovered oil during well exploitation on the territory of the Khanty-Mansiysk Autonomous Okrug (W...

The paper deals with petrology of granitoids from the Istekh ore field in northeast Yakutia accompanied by complex Au-Ag-Sn-W mineralization. Magmatism of the ore field is represented by the Istekh granitoid massif, a series of granite and rhyolite porphyry dikes, and rare dikes of diorite porphyry and trachydolerite. A polygenetic nature of the massif is documented, with origination of parental melts of the amphibole-biotite granodiorites and granites from the lower and upper crustal protoliths, respectively, und...

During High Carbon Ferromanganese production as well as other reduction processes, the chemical composition of the feed plays a crucial role on the quality of the products. It is believed that the reduction from high manganese oxides to their lower oxides during HCFeMn production, the transitional phases that form in the prereduction zone and reduction zone are very influential on the coke-bed zone behavior. Data on acidic manganese ores use are available. However, on the basic manganese ores especially the South ...

In this study we performed a comparative analysis of the flavonoid compounds found in the composition of some species belonging to the Cucurbitaceae family, namely: cucumber (Cucumis sativus), bitter melor (Momordica charantia), zucchini or courgette (Cucurbita pepo) and horned melon (Cucumis metuliferus). The flavonoids in these species were identified by high performance liquid chromatography. The Cucumis metuliferus plant extract had the highest content in phenolic compounds (14.424 mg/L), while the Cucumis sat...

One of the most important alternatives in sewage sludge ash management is the recovery of essential elements such as phosphorus. Phosphorus is an important element for plants, food supply, human health and industry. Phosphorus is a non-regenerative resource and therefore it is important to find alternative sources to recover phosphorus. Phosphorus recovery as struvite (NH4MgPO4.6H2O) from sewage sludge ash has attracted special attention in the last decade due to the potential to be used as an ecologic fertilizer....

Currently, there is still a current trend to preserve the historical heritage of the Slovak Republic for future generations. Preservation of monuments is currently carried out by the Monuments Board of the Slovak Republic, whose central body is the Ministry of Culture. It is often necessary to create documentation that is suitable for presentation and technical purposes. The main aim of the paper is to create a 3D model of the church in the village of Kosicke Olsany. From the measurements was obtained the coordina...

The aim of this project was to create a detailed 3D model of Permian clay laminations. Modern image processing methods and wavelet analysis were used for 3D visualization, identification of the nature of laminations and calculation of mean and interval sedimentation rates. The images used in this project are the photographs of a clay sample taken from an outcrop of ?linguloid? clays. First, two faces of the sample were sanded and polished to the shine. Then the polished surfaces were scanned and photographed. Imag...

Increasing demands on steel quality, production and casting performance promote continuous innovation efforts in the steel industry. For example, mathematical and physical modelling of continuous casting of steel including the steel flow in a tundish is now a vital part of the overall optimization process. Within this framework, the SimConT laboratory was built as a joint effort of the ZP Research and Development Centre (ZP VVC) in Podbrezova and the Faculty of Materials, Metallurgy and Recycling of the Technical ...

The aim of this study is monitoring of quality of drinking water in Tirana city for physical and chemicals properties according the International standards that applied in Albania. In some case water don?t fulfill the permeable levels for drinking due to high levels of ammonium or nitrates. This situation may cause many human health problems. Samples were collect from tap and private wells water. The total of 90 analyzed samples during May to September 2018. All samples are collected in accordance with chemical ru...

Consumption of muffins has become very popular around the world. Various ingredients have been used to obtain these muffins and different recipes can be found in the literature. In this study three different samples (S) of muffins (S1- with wheat flour, S2 ? with wheat flour: almond flour (1:1) and S3 ? with almond flour) were prepared and investigated. Muffins also contain, besides flour: eggs, coconut oil, sugar, nuts, cherries and orange juice in the same proportions for all samples. The composition is dosed in...

The phytoremediation represents an environmentally friendly alternative to chemical decontamination of sites degraded by various anthropogenic activities. The dendroremediation abilities of some tree species can be combined with the production of the woody biomass for energy purposes. The aim of the paper was to determine the phytoextraction efficiency of total arsenic (As) by two varieties of short rotation coppice willows. The research was conducted in a pot experiment. Dormant cuttings of the varieties were pla...

Pile-soil kinematic interaction arises because of the soil deformations induced by seismic actions. These deformations interact with the pile foundation and can cause severe bending moments that may exceed the flexural capacity of the pile section. The highest bending moments occur at the interface of two adjacent soil layers having a high stiffness contrast and at the pile-head in the case of fixed-head pile. Most of seismic codes recommend assessing the kinematic bending in high seismicity areas for important (i...

To analyze the influence of geomorphological conditions on the accident rate of the main pipelines, we used the database from the National Pipeline Mapping System of the USA. This database is sufficiently broad and deep, and the natural conditions of the northern states of the USA - Alaska, Washington, Oregon, Idaho, Montana, North Dakota and Minnesota - can be considered as relatively similar to those for pipelines on the Russian territory. We carried out the analysis of geomorphological factors of risks and used...

The influence of ?-ferrite amount ferrite in AISI 321 steel on its general corrosion, critical pitting temperature and potential in simulated circulating waters. The samples were made in the form of rectangular 3x3x1 mm parallelepipeds by cold mechanical method. Surface of the samples was subjected to electro-polishing. The amount of ferrite phase was determined by empirical formula. It was established, that after electromagnetic saturation of the samples, ?-ferrite content in five heats of AISI 321 steel was calc...

Owing to the increasing influence of humans, many species have invaded and continue to invade new regions at an unprecedented rate, exerting strong impacts on ecosystems and human welfare. Invasive species are a major threat to community composition and ecosystem processes worldwide and a major aim in ecology is their identification of invasiveness and their direct and indirect impact on biodiversity of ecosystems. Recent studies on invasive species have revealed a wide variety of their impact on soil systems, nat...

The discharge with a liquid cathode between the electrode and the surface of the liquid is a promising object of study, both in terms of the applicability of such discharges in plasma-chemical technologies, and in terms of green synthesis and lack of knowledge of mechanisms of plasma-chemical interactions with the organic substances. The characteristic of plasma was measured with the methods of emission spectroscopy. Electrical parameters of the discharge were also measured. The plasma-chemical synthesis carried o...

The settlement system in the regions of Russia is changing due to the influence of neoliberal urbanization processes and of the economic, social and institutional areas of society. Changes lead to structural shifts in settlement and to the arising of polarization. The main goals of this study were to analyse the results of changes in the settlement system of the Belgorod Region, to identify the causes of polarization, to assess the types of suburbanization and the development of gentrification processes in large c...

The most urgent and current problem facing humanity, at the moment is the deterioration of the environment, which generates a permanent diminution of the health and life of mankind. As has been seen since the earliest forms of life, mankind has fought continuously for competitiveness, profitability, well-being and progress, through all its actions and inactions, which ultimately did nothing but generate major damage to environmental factors: the atmosphere, water and soil, ultimately creating significant degradati...

The article presents the results of the studies (in 2018 and 2019) of the level of accumulation of polychlorinated biphenyls (PCBs) ? the most toxic compounds from the number of persistent organic pollutants (POPs) in the snow cover (SC) of the territory of Almaty agglomeration, area of about 940 thousand hectares. The contamination of PCB SC has been established, especially in urban areas and adjacent to large industrial hubs. In snow samples up to 29 individual PCB congeners are identified, which is an indicator...

Aragonite and calcite were identified among the daughter phases within secondary melt inclusions in rock-forming olivines and among interstitial minerals in sheared garnet peridotite xenoliths from kimberlites of the Udachnaya diamond deposit (Siberian Craton, Russia). This type of the xenoliths are the deepest mantle rocks sampled by kimberlite magma from 180?230 km depth. According to experimental data, aragonite is a high-pressure polymorph of CaCO3, which is stable at upper mantle pressures and temperatures. T...

The Upper Devonian shales are predominantly carbonate, carbonate-siliceous thin-layer rocks with a high content of organic matter. Considered formation is widespread within the Volga-Ural and Timan-Pechora basins in the European part of Russia. Various estimations show that the hydrocarbon resources of the Upper Devonian shales range between hundreds of millions to billions of tons of oil. However, recovery of such hydrocarbons is significantly constrained due to the high heterogeneity and complex structure of roc...

Nowadays a major issue in managing the industrialized/logistic zones is represented by the environment protection. Circular economy or industrial ecology can be a sustainable model. The challenge for the economic actors of the Danube is the promotion of an Eco-friendly mode of transportation. The port administration and port operators should find solutions to implement an industrial ecology regime. Adapting an Eco-innovative solution should contribute on the number of the additional partners and clients. This cont...

Nowadays institutions of higher education are actively working at providing methods of bringing to life federal educational standards of higher professional education. In competency-oriented major educational programs in the fields of education a special attention is paid to organizing independent activities that will enable students to achieve experience of independent responsible work, develop their epistemological, axiological and creative potential. Training qualified specialists, ready for constant profession...

The Alternative tourism works in conditions of complex, dynaamic and difficult foreseeable environment. This necessitates analysis of the Supply Chain System (SCS) parameters and research on possibilities for modelling in optimal range. To achieve the aims and objectives of Tourism SCS is particularly important Distribution Network Structure (DNS). Alternative tourism characteristics and complex nature of Green Lodges and Guesthouses require integrative approach for analysis of the SCS. This scientific research pr...

Due to their properties and low production costs, plastics have replaced a number of construction materials and are being used more and more. To maximize the potential of plastics at the final stage of their life, you need to choose the right way to manage the resulting waste. In accordance with Circular Economy, the first form of using this waste should be material recycling, energy recovery may be an alternative to this method of management. It is unacceptable that in the era of today's technology this type of w...

In the development of a sustainable society and an active approach to environmental protection, it is essential to focus on building energy efficiency and its increasing. Within the member states of the European Union, the process of increasing the energy performance of buildings is ensured by increasing the requirements for new buildings through legal and technical standards. This process is supported financially by various EU funding programs. One of the useful helpers in spreading awareness of the energy perfor...

In construction are still mostly used materials with a negative impact to environment. Extraction of stocks natural resources is limited and the energy intensity of their processing is very high. Composites based on alkaline activation could be a partial alternative of these materials. These composites, based on alkali-activation of secondary products of metallurgical and energy industry achieve higher strengths then currently used binders and are also characterized by higher resistance. The paper deals with the p...

The added value generated by the fisheries sector in 2017 was only 0.15% of the total value added in Latvia, in the meantime its significance in external trade was higher, as the sector accounted for 1.8% of the total value of export production (EUR 206 million). The export capacity of the fishing sub-sector is mostly determined by the development of the fish processing sub-sector. Canned fish form 35% of the Latvian exports but this product group faces challenges of product and market reorientation due to decreas...

The Middle Povazie region belongs to 10 regions of the Slovakia with the most disturbed environment. Important industrial enterprises such as rubber plant, cement company and glassworks are the determining sources of the environment contamination in this region. The aim of this study was to assess the degree of potential Cd, Pb, Ni, Zn, Cu, Cr and Co contamination of agricultural land in three localities near to emission sources. The samples of soil were collected from two dephts: 0 ? 0.10 m (A horizon) and 0.20 ?...

The contribution focused on the investigation of the potential in making use of the mining assets that in the past have been employed in extraction and processing mineral wealth of the Spis region. One of the possibilities is in employing them as part of mining tourism, a less traditional form of experience-based tourism. The region abounds in a great number of unique old-time mining works offering a high potential for preserving objects of underground mining, establishing open-air museums, educational paths as pa...

A total of 13.2 million tons of poultry meat were produced in 2017 in the European Union, with Poland?s contribution to that production being the greatest (17.7%). The amount of poultry manure generated in Poland is estimated to be on a level of 3.2 to 3.5 million tons per year. Such a significant mass of waste constitutes a problem for the environment. Due to its properties and the scale of the problem, the management of poultry manure still constitutes a major challenge as well as a field for research. Poultry m...

In the last decades the energy consumption of data centers has increased exponentially. The high energy consumption is due to power consumption of the IT resources, to the cooling system and to the inefficient usage of the resources. From the total power consumption in a data center one half is consumed by active servers and another half is consumed by the cooling system, network of the data center etc. There are several techniques for increasing the efficient usage of the resources in a data center. One of these ...

The construction of high-pressure gas pipelines is an extremely expensive and logistically difficult engineering project. The basic methods of building gas pipelines include laying them in an open excavation. However, this technology is very harmful to the natural environment and sometimes even impossible to apply. In such cases, the latest technological solutions should be used, i.e. trenchless technologies such as Horizontal Directional Drilling (HDD). The paper presents a method of evaluating the efficiency and...

The paper considers the problem of velocity model reconstruction of an elastic medium in the problem of monitoring the zones of underground nuclear explosions. The inverse problem can be solved with help of finding solutions for a set of forward geophysical problems. Main problem is to find the location coordinates and treat to find the characteristic size and shape of cavernous object in entire isotropic elastic media. To realize it the problem statement and the description of basic methods to perform full seismi...

Practice-oriented learning is the process of students mastering an educational program in order to develop their practical skills through the implementation of real practical tasks. The basis of practice-oriented learning is the optimal combination of education with applied training. The introduction of a practical-oriented approach to the educational process is determined by the need to search for adequate educational technologies - a set of tools and methods for teaching students to successfully implement the ef...

A long-term prediction of coastal profile evolution is done basing on several years' measurements. The adopted diffusion model is first calibrated against real data obtained from over more than 20 years measurements, and then extrapolated. A realistic prediction is then made by solving numerically a diffusion equation with coefficients obtained by the extrapolated values. In previous studies, taking into account the time dependence of the coefficients, we were able to reduce to 10 years the number of time measurem...

More than 50% of the world?s populations live in urban areas, and they emit almost 80% of global carbon dioxide. They are also responsible for 75% of energy consumption in the world. That increases pressure on food, water, and especially energy. These facts imply that there is an urgent need to provide low carbon dioxide level in cities with efficient and renewable energy to foster the growth of the green economy. Therefore, attention should be paid to renewable energy sources such as the Sun and be aware of the p...

The paper covers the development, research and numerical implementation the complex of interrelated mathematical models of hydrophysics and biological kinetics on a supercomputer for predictive modeling of pollution spreading processes in boundary atmosphere and water layers at increasing the anthropogenic influence, climatic and industrial challenges, and occurrence of eliminating contingencies of technogenic or natural characters. Discrete analogues of developed model problems of water ecology, included in the d...

The preliminary analysis of network accuracy is the basis for assessing the correctness of network design. The next step should be to modify the structure of the network or adjust the a priori presupposed measurement accuracy. Such an analysis facilitates determining the target network accuracy model for results of adjustment of the observational set. A control network established to determine the displacement of civil engineering objects should be structurally sufficiently accurate, reliable, and flexible. These ...

The purpose of this research is to analyze the data recorded on instrumented structures in Bucharest and adjacent free-field seismic stations during the last moderate earthquake that occurred on 28th of October 2018 in the Vrancea seismic zone. The earthquake had a 5.5 moment-magnitude, a depth of 147.8 km, and it was felt on a large area of Romania, generating very little damage in Bucharest. In the last five years, the National Institute for Earth Physics has deployed permanent instrumentation (accelerometers) a...