Dnipropetrovsk Research Articles

Assessment of species diversity of biocenosis in the city of Dnipro

Problem statement. Measures for improving the urban environment should be of great importance in the correction and neutralization of the negative impact of anthropogenic factors on the formation of an environmentally safe environment of human life. Taking into account the data of ecological-hygienic monitoring, the state of morbidity of the residents of Dnipro, it becomes clear that green spaces, which perform sanitary-hygienic, decorative-planning and emotional-psychological functions are of significant importance. Determining the species diversity of Dnipro biocenoses, such as the T.H. Shevchenko’s Park of Culture and Recreation, the Dnipro-Oril Nature Reserve and Lazar Hloba’s Park, is an urgent scientific and practical task in the modern urban environment. The purpose of the study is the determination of the conditions necessary to increase the species diversity of biocenoses of Dnipro; as well as increasing the sustainability of biocenoses to the effects of urbanization through reconstruction by sanitary measures. Methods. In order to assess the diversity of vegetation in natural ecosystems b-diversity was calculated (dimensionless indicators − similarity coefficients or the community indices). There were used the species richness indices: Margalef, Shannon-Weaver, Simpson, Mackintosh and the community indices: Jacquard and Sjorensen-Chekanovskyi. As a result of studies, it was found that an increase in species diversity in urban biocenoses leads to an increase in their stability and productivity. Conclusions.Biocenoses of parks are characterized by a high commonality of species, and nature reserves are somewhat smaller. When assessing the total area of biocenoses of urbanized sites, it was revealed that more species of tree species were planted on them than in parks, the areas of which exceed the area of urbanized biocenoses by several times. Such reconstruction leads to a decrease in the stability of the biocenosis to the effects of urbanization, and requires sanitary and recreational measures.

Effect of antibacterial therapy on the clinical course of streptococcal tonsillopharyngitis in children.

The aim of this study was to determine the effect of antibiotic therapy (AT) on the clinical course of streptococcal tonsillopharyngitis (STP) in children, depending on the timing of its administration, since the data on the need to start AT in the first days of the disease to achieve the effect are controversial. A retrospective analysis of inpatient medical records at “The Communal Dnipro City Clinical Hospital N 21 named after Professor Ye.G. Popkova” DRC” in the period from January 2012 to December 2018 was conducted. The inclusion criteria for the study were: 1) the diagnosis - tonsillopharyngitis; 2) the age of the patient: 3 to 18 yrs; 3) the exclusion of an alternative diagnosis (diphtheria, infectious mononucleosis, scarlet fever); 4) no complications; 5) positive results of the culture study on β-hemolytic streptococcus group A (GAS) (Streptococcus pyogenes) of the oropharyngeal swab. The study included 109 medical cards of children with STP. Depending on the timing of the onset of rational AT, all patients were divided into 5 groups. The first one consisted of 27 children who received AT from the 1st day of the disease, 2nd - 48 children (AT from the 2nd day), 3rd - 17 children (AT from the 3rd day) and the fourth - 7 children (AT from the 4th day), 5th - 10 children (AT from the 5th day). Clinical symptoms were evaluated by exa­mining the patient with the main objective and subjective symptoms of STP. It was a retrospective open comparative study. All patients received the full recommended course of STP AT. The study showed no significant differences in the reduction of clinical symptoms of STP, regardless of the timing of antibiotic therapy (1-5 days from the onset of the disease) in almost half of patients with STP, which confirms the inadequacy of antibacterial therapy in children with tonsillopharyngitis. We believe that antibiotic therapy should only be used to prevent late complications in cases of children with tonsillopharyngitis only with a confirmed GAS etiology, and we propose the widespread use of the McIsaac Score, the Streptococcus Expression Test (RST) and the culture study of the oropharyngeal swab to confirm the etiology of GAS in children with tonsillopharyngitis to reduce the frequency of antibiotics overusing.

The Ukrainian student communities and corporations in Chernivtsi in the 70s of 19th – early 20th centuries: Features of functioning and influence on national revival

The article highlights the peculiarities of functioning of the organized Ukrainian student movement in Chernivtsi in the 70s of the 19th – early 20th centuries, since the foundation of Chernivtsi University, when the first Ukrainian student association «Soiuz» was established, until the explosion of First World War and occupation of Bukovyna, which interrupted the activity of all student societies in the region. This movement was represented by such student communities as «Soiuz», «Moloda Ukraina», «Sich», «Pravoslavna akademiia», as well as corporations «Zaporozhe» and «Chornomore».
 The study traces the transformation of ideological convictions and demands of the Ukrainian student movement in Bukovyna. The scientific research also traces the change in the vectors of functioning of these associations from ordinary educational work, which consisted of arrangement of multifarious events and meetings, to comprehensive activity, which began to acquire political character and became directed at shaping of the national and social consciousness of the Ukrainians of the Bukovynian region and their involvement in the struggle for their national rights. The article also points out the differences between the organizational foundations of Ukrainian student corporations and student communities in Chernivtsi.
 The author also characterizes the cooperation of the Ukrainian student associations of Chernivtsi with the organized Ukrainian student youth of Galicia and Dnipro Ukraine. Special attention is dedicated to the influence of these societies on the Ukrainian national revival of Bukovyna. These organizations became the environment, in which a qualitatively new brain power was born, who subsequently occupied an important place in Ukrainian social, political, cultural, religious educational and scientific life.
 Keywords: student communities, student corporations, Ukrainian student movement, Bukovyna, Chernivtsi University.

Introduction success of less common species from the genus Berberis L.

The study dealt with the patterns of adaptation of the genus Berberis L. low-abundant alien plants to the climatic conditions of the steppe zone of Ukraine. The success of the introduction, which was conducted on the territory of the Botanical Garden of Oles Honchar Dnipro National University (city of Dnipro) near 60 years ago, was evaluated by a set of indicators. According to the study of phenological rhythms, introduced plants can be characterized as plants with a relatively short growing season, a relatively long shoot growth, a short flowering period and a long maturing period. This indicates the lability of the phenological rhythms of the introduced plants, which respond to changes in environmental conditions in terms of the beginning and end of the phenological phases. The aquatic regime of introduced plants reflects the level of their adaptation to the environment due to the ability of plant organism to withstand water consumption. The study of water exchange features of Berberis L. plants revealed a moderate decrease in the intensity of transpiration and a moderate water deficit in the plant leaves, which indicates the adaptation of the species to the difficult climatic conditions of the steppe zone. The response of introduced plants to the level of moisture in the steppe region confirmed the universal mechanism of plant adaptation to arid conditions. Comparative analysis of the reproductive ability of introduced plants of the genus Berberis L. in the conditions of the Botanical Garden revealed a significant variability of quantitative indicators. The weight of 100 fruits ranged from 12.5 g (B. vulgaris) to 16.3 g (B. declinata). Seed length varied from 4.5 mm (B. canadensis) to 5.2 mm (B. declinata, B. amurensis), seed width varied from 1.8 mm (B. amurensis, B. vulgaris) to 2.1 mm (B. koreana). The highest mass of 1000 seeds was observed in the species B. koreana. To compare sample averages, the criterion for the significant difference of Tukey's group averages was used. The investigated plants of the genus Berberis L. can be recommended for the introduction into large-scale and individual gardening in order to expand the range of fruit products and obtain biologically valuable raw materials for the industrial production of functional products.

ОБҐРУНТУВАННЯ ЕФЕКТИВНОСТІ ЗАСТОСУВАННЯ КІЛЬЦЕВОГО РУХУ НА ВУЛИЧНО-ДОРОЖНІЙ МЕРЕЖІ М. ДНІПРО У ПРОГРАМНОМУ СЕРЕДОВИЩІ PTV VISSIM

В сучасних умовах одним із найбільш дієвих методів зниження аварійності та запобігання ДТП на перехрестях є облаштування сучасних кільцевих перетинів. Виконано аналіз зарубіжного досвіду щодо ефективності запровадження кільцевого руху та наведені основні елементи сучасного кільцевого перетину. У якості об’єкту дослідження на вулично-дорожній мережи м. Дніпро було обране перехрестя вул. Набережна Заводська – вул. Павлова із обґрунтуванням критеріїв його вибору. Інтенсивності транспортних потоків на перехресті були отримані методом натурних обстежень для ранкової години «пік» з 700-800. У якості інструментарію моделювання був застосований програмний продукт PTV Vissim 11. Згідно запропонованого авторами алгоритму були розроблені дві імітаційні транспортні моделі перехрестя вул. Набережна Заводська – вул. Павлова із регульованим та кільцевим рухом. Якісний аналіз результатів моделювання дозволяє зробити висновок, що організація регульованого руху призводить до утворення суттєвих заторів. Для подальшого аналізу авторами був обраний перелік із 7 показників, які є найбільш значущими для оцінки ефективності запровадження кільцевого руху. Наведені їх абсолютні (за результатами моделювання) та розраховані відносні значення. Результати моделювання, свідчать, що застосування кільцевого руху сприяє підвищенню ефективності руху за всіма обраними показниками з діапазоні від 3% до 92%. Значення запропонованого авторами комплексного показника ефективності для кільцевого руху становить 1,00, а для світлофорного – 0,34, таким чином загальна ефективність запропонованих рішень для обраного об’єкту дослідження склала 66%.Ключові слова: вулично-дорожня мережа, безпека руху, конфліктні точки, кільцеве перехрестя, імітаційне моделювання, довжина затору, середня швидкість, час затримки, PTV Vision VISSIM.

Invasion of the common percarina Percarina demidoffii (Percidae, Perciformes) in the Dnieper River upstream

In December 2016, the common perсarina Percarina demidoffii Nordmann, 1840 has been evidentiary detected in the Dniprovske (Zaporizske) reservoir for the first time. Two specimens of percarina were caught in the rowing channel area (the upper part of the reservoir) near the Dnipro city. One individual was caught there in 2017 as well. The paper presents their morphological characteristics, as well as a comparison with specimens from the brackish waters of the Dniester estuary (the Black Sea). The preliminary data allow us to assume that differences in some plastic characters may have adaptive character in relation to the environment. There are no any meristic differences between these fishes. It is noted that the new finding of this fish species in the cascade of Dniprovske reservoirs allows us consider P. demidoffii as not mesohaline but as a freshwater-oligohaline species. The finding of the common percarina in the Dniprovske reservoir confirms a few earlier published data about the advance of this fish upstream of the Dnieper River and extends its current range. The presence of P. demidoffii as a new species for the fish fauna of the Dniprovske reservoir shows a continued active advance of the Ponto-Caspian fish species upstream of the cascade of reservoirs on the Dnieper River.

Quality of life in the big city (the case Dnipro city)

The article discusses the heuristic possibilities of objective and subjective approaches to determiningthe quality of life of individuals in modern society. In order to construct a measurement of the quality oflife of the population, objective and subjective indicators were defined in this perspective: quantitativeones that record the presence or absence of a certain property and qualitative ones that record the extentof its manifestation and development. For the empirical representation of the quality of life of residentsof the city of Dnipro, data from sociological studies, the «Dnipro – my hometown» and the fourth all-Ukrainian municipal IRI survey were used.Possibilities and conditions for self-realization of the person are characterized, subjective level ofevaluation of strategies of success, professional prospects, achievement of material well-being in theurban space is determined through the prism of age differentiation. Positive shifts in the perception of thecity as an inclusive space (the spread of inclusive education, the opening of children’s and playgrounds,which take into account the needs of children with disabilities , etc.) have been noticed.Characteristics of urban social life were determined through fragmentation, disunity, decentralization,dehumanization. They are becoming the markers of modern society. These processes affect the emotionalinternal state of the individual and determine the sphere of his social fears. The main factors that causeanxiety and fear in the mass consciousness of the residents of the city are related to economic issues –rising prices, loss of work, closure of enterprises. The structure of expenditures and the assessment ofwell-being, as well as the level of satisfaction with material goods, have been determined. The subjectivecharacteristic of the labor market and opportunities to engage in entrepreneurial activity are provided. Thegeneral summary of the quality of life in Dnipro is presented in the Summary of Capability AssessmentIndex.

Criminal Investigation of a Burning Child

Something terrible has happened in the city of Dnipro, Ukraine, this summer. The media reported that several hooligans poured gasoline into an eight-year-old boy, set him on fire and then laughed. The event is so scary that it's hard to describe. Police determined the hooligans were several years older than the victim. Unfortunately, the hooligans attacked a helpless boy and thus committed a crime as difficult to find in the annals of forensics. The methodology of scientific research in the field of criminal law states the following: the crime was committed and the perpetrators were arrested. Further criminal investigations should determine all the circumstances of this horrific crime, and, above all, the degree of burns and the condition of the victim's organism. This paper discusses what forensics can do. Keywords: Gasoline; Fire; Boy; Victim

On different types, conditions, and factors of landslide risks in the city of Dnipro

The paper represents the research results as for the factors of such dangerous geological phenomenon as landslides in terms of geological medium of the city of Dnipro. It is emphasized that there are certain geological, geomorphological, and hydrogeological conditions favouring the development of a medium for landslide formation. Irrespective of long-term study of that phenomenon, spatiotemporal prognosis is a complex scientific problem requiring application of innovative ideas and scientific statements concerning both separate components of a geological medium and rather complex natural and technogenic system. The paper analyzes conditions of the development of deep landslides within the territory of the city of Dnipro connected with a geological structure in a scope going beyond traditional scope of engineering and geological studies. Despite wide occurrence of landslide developments within the territory of the region, landslide of the Dnipro region are not singled out as a separate regional type. According to different estimations, general number of landslides is more than 144 within the city of Dnipro. The studies are based on numerous calculations of slope stability indicating the importance of the occurrence of Pre-Quaternary deposits as the factor favour- ing deep landslide formations. Basing upon the processing of the geological studies, cartographic modeling of the surfaces of certain levels, their thickness, and analysis of landslides grouping within the areas of singled-out territories have been performed. Maps of the surfaces of reddish-brown (N2-Q1) and grey-green (N1-S2) clays as well as deposits of Obukhivska (P2ob) and Mezhyhirska (P3 mž) suites, representing together the rock thickness corresponding to Kharkiv Stage (P2-3hr), have been developed. It has been proved that occurrence mode of clays at the base of loessial soils creates certain conditions for the development of landslides being different in their mechanisms (i.e. cutting, slipping, and squeezing). An example of certain calculations of slope stability is given confirming the important role of argillaceous rocks in the formation of the zone of changed soil condition and property. It has been proved that occur- rence mode of the rocks occurring lower than the depth of water erosion development should be studied thoroughly while designing landslide protection structures to obtain accurate model of the geological medium.

Methods to calculate and evaluate the efficiency of combined traffic mode in the context of urban bus routes

Problem. Despite certain governmental support, the efficiency of urban passenger transport remains low under the current inflation. Improved economic feasibility of AOCs is possible if only combined operation mode for buses is implemented. Implementation of the measure results in the accelerated transportation, efficient use of road transport vehicles, and transportation services as well as significant reduction in combustible and lubrication materials, and current repair and maintenance of buses. However, lack of uniform methodology and reliable substantiation techniques, neglected basic economic and social factors of transportation process as well as high labour intensity of the available developments complicate seriously determination of rational parameters of the combined transportation forms implementation hindering their wide use. Goal is to develop methods as well as economic and mathematical model making it possible to study and determine both expediency and rational parameters of implementation of combined speedy transportation forms in terms of certain urban route using the selected efficiency criteria. To estimate the modeling results, it is also required to develop a structure of the efficiency complex index while implementing combined transportation forms which would involve basic economic, technologic, and social components of passenger transportation process. Methodology. The paper has applied calculation and experimental approaches. With the help of mathematical modeling, calculation technique has analyzed the effect of different ratios of buses, involved in customary and speedy transportation forms, on the estimation criterion of the combined transportation mode efficiency. Experimental technique studied characteristics of passenger flows within a route, determined average distances of passenger trips, turnover coefficient, and transportation velocity for various types of bus traffics. Results. The proposed nonequilibrum passenger flow coefficient made it possible to obtain zones of preliminary estimation of expediency to implement corresponding transportation forms within certain routes. Efficiency criteria to implement such combined transportation forms have been formulated. A structure of complex efficiency index has been proposed helping select the best variant of numerous ones while involving basic economic, technological, and social indices of passenger transportation process. Originality. To implement a procedure of passenger number redistribution between customary transportation type and speedy one (depending upon the number of buses of corresponding form), a technique has been proposed. The technique is based upon logic analysis of the two matrices: a matrix of interstop correspondence, and a standard time matrix for buses to travel between stopping points of their route. Practical value. Rational parameters to implement the combined transportation type in terms of urban route 70 (city of Dnipro) substantiating release of 7 buses from transportation process and making it possible to reduce unproductive transportation from 2 471.2 down to 216.7 pas. ∙km as well as transportation passenger time consuming from 385.6 down 378.4 hours (including transportation time reduce from 351.0 down to 296.9 hours).

Variability of morphometric characteristics of Betula pendula lamina under technogenic conditions of Dnipro city

The response of a plant organism to the effects of negative environmental factors, including the effects of multicomponent pollution, can be determined using a morphometric approach, setting the range of variability of biometric indicators of assimilation organs. The obtained data allow us to identify the directions of evolution of leaf shape and parameters under conditions of anthropogenic environment. The purpose of this work is to evaluate the variability of morphometric characteristics of lamina of Вetula pendula Roth. under technogenic conditions of the city of Dnipro. Leaf samples were collected in September – October 2018 at five test areas in the city of Dnipro (100 sheets each), which differed in the level of environmental pollution. For each leaf according to the method, five dimensions were measured on the left and right sides: width of the left and right halves of the leaf; the length of the vein of the second order, the second from the base of the leaf; the distance between the bases of the first and second veins of the second order; the distance between the ends of the first and second veins of the second order; the angle between the main vein and the second vein from the base of the leaf of the second order. It is shown that by the degree of increase of variation in the conditions of influence on the plants of B. pendula under conditions of multicomponent contamination of the environment the investigated signs of the lamina can be arranged as follows: 5 < 2 < 1 < 4 < 3. It is established that the most stable feature of the B. pendula lamina in the conditions of technogenesis is the angle between the main vein and the second vein from the base of the leaf of the second order, and the most variable one is the distance between the bases of the first and second veins of the second order. A tendency was found for the differences in the reactions of plants from the relatively clean area and contaminated territories: the control trees had a coefficient of variation higher for the right half of the leaf (right-sided asymmetry), whereas plants of the technogenic zones had left-sided asymmetry.

The state of bio-ecological characteristics of the one-year shoots of Robinia pseudoacacia L. Under the conditions of industrial pollution

Abstract The paper studies the influence of industrial pollution on bio-ecological characteristics of the one-year shoot of Robinia pseudoacacia L. in the conditions of the city of Dnipro, Ukraine. It analyses the state of biometric parameters of the shoot and anatomic indices of the stem of the studied species exposed to toxic gases. It was found that there are adaptive changes in the histological structure of the stem of R. pseudoacacia under the conditions of technogenesis. The study revealed that bio-ecological characteristics of the black locust are highly resistant to industrial emissions with big shares of SO2 and NO2. It was suggested to use R. pseudoacacia for greening of the technogenic territories.

The influence of Cameraria ohridella (Lepidoptera, Gracillariidae) on the activity of the enzymatic antioxidant system of protection of the assimilating organs of Aesculus hippocastanum in an urbogenic environment

In the last two decades, the horse chestnut (Aesculus hippocastanum L.), introduced into the steppe zone of Ukraine, has been severely affected by the horse chestnut leaf miner Camereraria ohridella Deschka & Dimič, 1986, which results in damage to the assimilating organs, premature leaf defoliation and, as a consequence, a significant reduction in the reserve substances required for normal life of the plant. In recent studies, the main focus has been placed on the study of the pest’s effects on the non-enzymatic antioxidant protection system of the representatives of the genus Aesculus, while the enzymatic system of horse chestnut protection from the active forms of oxygen under stress is still poorly understood. The purpose of this study was to evaluate the reaction of catalase and two peroxidases of A. hippocastanum leaves, which differ in the level of damage by C. ohridella. The intensity of damage to A. hippocastanum leaves by the horse chestnut leaf miner in the park zones and botanical gardens of Dnipro city was determined, the activity and isoenzyme composition of benzidine-peroxidase, activity of guaiacol-peroxidase and catalase were measured. The lowest average benzidine-peroxidase activity was found in the group of trees with low level of leaf blight and the highest activity – in the group with high level. The opposite dependence was shown by catalase, the activity of which significantly decreases with increasing level of damage inflicted by the phytophage on the chestnut’s assimilating organs. Based on the determination of the variation coefficients, it has been shown that benzidine-peroxidase activity has a higher level of variability than that of catalase and guaiacol-peroxidase. It is established that under the influence of the leaf miner, activity of guaiacol-peroxidase was significantly higher by 87.1% and 75.6%, respectively, for medium and high levels of damage caused to the leaf by this phytophage as compared to that for low levels of damage. The increased level of leaf damage caused by the phytophage is reflected in the change in the isozyme profile of benzidine-peroxidase. The high activity of benzidine-peroxidase in the leaves of A. hippocastanum is due to the presence of several molecular forms that exhibit maximum activity in the narrow pH range (4.15–4.69). Quantitative redistribution of activity between the different molecular forms of benzidine peroxidase can be considered as the main regularity of changes in the expression of benzidine-peroxidase caused by different levels of leaf damage. The results showed that only one benzidine-peroxidase isoform with an isoelectric point of 4.15 shows a significant increase in activity (on average by 2.1 times) in A. hippocastanum leaves with medium and high levels of damage by C. ohridella. Significant reduction in activity is reported for dominant isoperoxidase with an isoelectric point of 4.25 revealing medium pest damage, and for high damage only a decreasing tendency is shown. The data obtained show that horse chestnut trees can specifically respond to mechanical damage by C. ohridella to leaves due to the changes in the activity of individual molecular forms of peroxidase. Further studies of oxidative metabolism are needed to understand the formation of resistance of representatives of the Aesculus genus to damage caused by this moth species based on a wider range of redox enzymes.

Vaginal candidiasis among women of reproductive age in Dnipro city (Ukraine): Species spectrum of Candida and their susceptibility to antimycotics

Candidiasis is one of the most common pathological processes, especially among women of reproductive age, especially pregnant. It can be expressed as Candida carriage and as an active form of infection. Although candidiasis is caused by opportunistic microorganisms, its effects can be quite significant, so it is necessary to treat it with the use of antimycotic drugs. In view of the spread among these microorganisms of resistance to antimicrobial drugs, the determining factor for the success of therapeutic measures, it is important to make a preliminary assessment of the susceptibility to antimycotics of strains isolated from persons with Candida carriage or active candidiasis. The aim of the research was to study the species range of fungi of the genus Candida isolated from the reproductive tract in women with dysbiosis and to study their susceptibility to antimycotics. Total of 227 samples of biological material from women aged 16 to 56 years have been investigated. Microscopic and cultural methods of detecting of fungi in the primary material were used for research. For the identification of species of Candida fungi, a polymerase chain reaction method in real-time was used. It was determined that the frequency of detection of Candida fungi in the composition of vaginal microbiome during inflammatory pathological processes was 76.7%. It was shown that the incidence of Candida carriage – 51.7% – slightly exceeded the frequency of detection of the active form of infection – 48.3%. The species spectrum of pathogens included: C. albicans (57.1%), C. krusei (12.6%), C. glabrata (19.5%) and Candida spp. (16.1%). In the case of active form of infection, C. albicans was prevalent – 64 (76.2%) cases. In the case of Candida carriage, other species were prevalent – 58 (64.4%) cases. The most effective drug against all isolates was amphotericin B – more than 87% of isolates were susceptible. The least effective drug was nystatin: less than 60% of isolates were susceptible. There is a rather high level of resistance to certain antimycotic drugs among the Candida species, which requires a prior preliminary study of the susceptibility of isolated strains to antimycotics for the purpose of choosing a rational and effective treatment scheme.

Microaggregate composition and other features of the loesses of Kryvyi Rih

The study of the degradation of the properties of subsiding soils under the conditions of technogenesis led to the need for searching the relationship betweenchanges in the soil physical properties, deformability, strength and its dispersity. Many researchers focus on the influence of the soil microstructure and its changes on the processes of deformation and collapse. Current models of the distribution of particles and pores in various soil media, cavities of various origin and cracks are based on the theory of fractals. Techniques for a practical application of the theory to estimating the scope of work, calculating the indicators, and engineering-geological forecasting are being developed. The previous studies showed that the theory of fractals, applied to the investigation of subsidence degradation, allowed an assessment of deformations arising from the decomposition of microaggregates in loess deposits of the city of Dnipro. A long period analysis of changes in the properties of loess deposits on the territory of the city of Kryvyi Rih showed that the changes in physical properties and conditions had a regional character. The paper presents the results of experimental studies of the microaggregate composition of loess samples taken in the depth interval of 1 - 7 m in the zone of influence of Kryvyi Rih. The microaggregate composition was determined by the new method, which we tested while studying the loess of the city of Dnipro. The total number of particle size analyses performed was 128. The results of the analyses were used to estimate the fractal dimension of the function of particle distribution by volume. The values of the function vary slightly, but the nature of the changes differs depending on the method of sample preparation for the analysis and its dispersity. Strength indexes have been determined with Physical. It has been shown that there is a correlation between the content of fine particles and the values of limiting tangential stresses Indicators of the physical condition are the repressors of tangential stress values. According to the results of the correlation analysis, the values of the soil density, the upper and lower limits of plasticity, and the content of particles with a size of 0.05-0.001 mm and less than 0.001 mm were selected as repressors.

Clinical and statistical aspects of gastrointestinal bleeding course in patients with cardiovascular system pathology.

We have collected, processed and analyzed the results of treatment of 329 patients with gastrointestinal bleedings in which the course of the underlying disease is aggravated by the pathology of the cardiovascular system, in Communal institution "Dnipro Clinical Emergency Care Association" of Dnipro City Council» in the period for 2017. First, the frequency of background diseases was determined, chronic pathology being 93.4%. Ischemic heart disease (IHD): cardiosclerosis of various origins (post-infarction, diffuse, atherosclerotic), hypertonic disease (HD) - HD-I, HD-II, HD-III are the most common, while acute disorders of cerebral circulation, the state after coronary artery bypass surgery, renal artery bypass, arrhythmias, acute myocardial infarction made up 16 (5%), 1 (0.3%), 3 (1%), 1 (0.3%), respectively. Secondly, the quality of endoscopic hemostasis in case of ulcerative bleeding from the stomach, duodenum, gastroenteroanastomosis, was assessed by Forrest classification, connecting the results with the accompanying pathology of the cardiovascular system. We found that active bleeding F I was determined in 24 people (7.3%), of which F Ia – in 14 (4.3%), F Ib – in 10 (3%). Unstable hemostasis with a high risk of recurrent F II bleeding, was observed in 251 patients, which makes up 76.2%, and F III – in 54 (16.5%). The degree of blood loss was directly influenced by drug – anticoagulants, antiplatelet agents, hypotensive drugs, as well as their combinations, aimed at correcting the rheological properties of blood. Depending on the degree of blood loss, the quality of hemostasis, the general condition of the patient, the treatment tactics for this cohort of patients was determined. 313 patients received conservative treatment, which made up 95.1%. 16 patients were operated. Postoperative mortality is 12,5%. The overall mortality of the above cohort is 10%.

“Rus City Named Peresichen” in Dnipro City and Archaeological Reality

The multi-layered monument Ohrin 8 since it has been discovered in the 1930-ies had been repeatedly investigated by different archaeological expeditions. The unique dug-outs of Mesolithic time were investigated at Ohrin 8 site by the expedition headed by D.Telehin in 1970—80-ies. The Mesolithic dwellings of the settlement were overlayed by a thick layer with rich Kyiv-Rus materials of the ХІ—ХІІІ centuries. National university “Kyiv-Mohyla academy” archaeological expedition revealed large collection of materials of the ХІ—ХІІІ centuries during works at the settlement in 2018. Author of the article gives a short cultural and historical interpretation of medieval materials of the monument.Part of researchers sees in Kyiv-Rus settlement on the Оhrin peninsula an archaeological accordance to the capital of Uliches tribe to the annalistic city Peresichen, mentioned in the Novhorod chronicle under 937—940. The article contains a critical analysis of this hypothesis, the supporters of which see in Kyiv-Rus settlement on Оhrin peninsula direct forerunner of modern Dnipro city megalopolis.In opinion of the author a trade-handicraft settlement of the ХІ—ХІІІ centuries at Ohrin bay ashore served the important knot of trade-routes on the Dnieper River highway immediately in front of overcoming by the ships of dangerous river thresholds. A settlement had been prospered under control by Kyiv principality of the Dnieper water-way and it was burned by Mongols in the first half of the ХІІІ centuries

Individual significance of political participation in today’s Ukrainian society: The case of Dnipro city

Individual significance of political participation in today’s Ukrainian society: The case of Dnipro city

Load decrease on the environment in the building of pump storage plant (PSP)

Problem statement. Energy in Ukraine is produced by a large number of generating power plants of various types. But, despite the significant environmental benefits, the use of unconventional energy sources does not solve the main problem - providing electricity to consumers with the required amount and at the right time. The unevenness of electricity consumption in the course of the day requires the availability of reserve and regulatory capacities that would meet the peak needs of industry and society. Generation of energy in the "on-demand" mode can only be performed by hydro (HES), pump storage plants (PSP), which at the same time have a significant impact on the environment. The purpose of the article is to determine the possibility of designing and construction of a PSP with a reduction of the load on the environment. The presentation material. Solving the problem of uneven electricity consumption requires the use of regulatory capacity of PSP, which are the most mobile ones. The cost of construction of the PSP is largely determined by their location, approaching electricity consumers and the need to compensate for environmental risks. Reducing the load on the environment can be achieved with a comprehensive consideration of the environmental needs of various sectors of the economy. As the example of Rybalskyi quarry, located in the city of Dnipro,it is the expediency of placing on its territory the PSP. The calculation of the potential capacity of the PSP will be determined by optimization calculations, for which the boundary conditions are formulated. Conclusions.The analysis of the possibilities of reducing the impact on the environment during the construction of the PSP has shown that there is a possibility of the construction of the PSP without any environmental risks. A place has been determined for the possible construction of such a PSP and an optimization task has been formulated to determine its power. The estimated payback period of the design project is five years.

Ukrainian Education in the European Space

The article deals with the characteristics of the national education system, its transformation and development from the time of Rus to modern times. Despite the influence of other states, the spiritual core of Ukrainian education has always been Ukrainian cultural and historical tradition, the struggle for the revival and development of which in all historical times was defined as the main vector of spiritual development of the nation. The article states that the Ukrainian ‘pedagogical matrix’ in the Hetmanate and Slobozhanshchyna from the second half of the 17th to the end of the 18th century was up-held and developed by the Kyiv-Mohyla Academy, Chernihiv and Kharkiv Collegiums, Pereyaslavl and Glukhiv Seminaries. Later on, Dnipro Ukraine saw the inauguration of historical educational courses at Kharkiv, Kyiv and Odessa Universities. Despite a number of negative factors, traditional folk culture and education have never receded from the cultural and educational space. It is noted that the educational level in Ukraine ranks among the highest in Central and Eastern Europe. Among the features that distinguish the ‘pedagogical matrix’ of Ukrainian education, the author highlights, first of all, the familiarization with fundamental human values. The educational system appears to be enlightening, natural and humane to form an integrated human being. The article also provides a detailed elaboration of the understanding of the Ukrainian educational system by such historical figures as V. Sukhomlynskyi and V. Shynkaruk. The author analyses the influence of the Bologna Process on the ‘pedagogical matrix’ of Ukrainian education. As a result, there was an increase in the latter’s quality, reliability and competitiveness of specialists, primarily in the economic, political and sociocultural space. However, Ukrainian education has retained its identity. It has remained Ukrainian – highly spiritual and sacred, humane, folk and family-like, patriotic and moral in all human dimensions. Then author raises the question of the need for education, spirituality and morality, which are brought up for success, career and comfortable existence, which he answers in the affirmative. Given modern challenges, the main segments of preparation for independent life should be provided with the means of education and upbringing. Among these segments there are knowledge, competence and value formation. In addition, importance is attached to the significance of spiritual growth for the formation of personality. Keywords: person, education, culture, upbringing, national idea, pedagogical matrix.