Oles Honchar Dnipro National University
Recent publications
Floodplain ecosystems are hotspots of biological diversity and perform important ecosystem functions in the landscape. The key to understanding the sustainability of ecosystem function is knowledge of the relationships between ecosystem components. The article reveals the role of morphological and physical properties of soil, as well as phytoindication of environmental factors as drivers of biological diversity of soil macrofauna of protected ecosystems of the Dnipro River floodplain. The studies were conducted in the forest floodplain ecosystems of the “Dnipro-Orilskiy” Nature Reserve. The studies of morphological properties of soils allowed us to identify the representatives of two reference groups: Fluvisol and Gleysol. The soil physical property data were subjected to principal component analysis, which extracted four principal components whose eigenvalues exceeded unity and described 79.9% of the variation in traits. The principal components of variation in soil physical properties and phytoindication assessments of environmental factors were used as predictors of the community structure of soil macrofauna. These predictors were able to explain 29.6% of the community variation. Physical soil properties are most important as a driver of soil macrofauna. The morphological properties of the soil and phytoindicator assessments are able to explain a much smaller part of the community variation. The pure influence of the predictors is small, indicating that they interact significantly in influencing soil animals. The results obtained have implications for the development of optimal strategies for floodplain ecosystem management and biodiversity conservation.
The study based on the available key principles of the circular economy functioning proposes a conceptual scheme of the circular economy ecosystem, which includes key elements such as the country’s population, investments, emissions, and GDP. The ecosystem also considers nine key principles of circular economy functioning, namely: refuse; reduce; reuse; repair; refurbish; remanufacture; repurpose; recycle; recover, which are integrated into functions and supported by them, namely: mining; production; consumption, service; reuse; processing; utilization, forming a chain of a closed cycle of usage of the raw materials, goods, and resources. The study also proposed a conceptual system-dynamic model of the circular economy ecosystem functioning, based precisely on its functions, presented in 7 blocks of the model. Each block covers the influence of circular economy principles on the model’s indicator elements. According to each block of functions, the authors offer opportunities to form new organizational structures that will support the viability of the circular economy concept, provide waste minimization, additional service and processing of goods and waste, and allow the closing of the cycle from extraction to disposal. Further research established the simulation experiments’ specifics and the opportunity to build the model blocks.
The object of research is the mechanization of the process of eliminating emission funnels on the earth's surface, formed as a result of explosions of shells and rockets. The problem being solved in the work is related to the military operations on the territory of Ukraine, because of which thousands of hectares of land appeared, disturbed as a result of explosions of shells and missiles, excluding their further effective use without restoration. The first step in the restoration of such lands is backfilling by means of mechanization, however, due to the different sizes of the formed emission funnels, there is no universal equipment for achieving the set goals. In the course of the work, the main types of disturbances of the earth's surface, formed as a result of the explosion of shells, represented by emission funnels in open areas, were determined. It has been established that the number of disturbed soil layers as a result of the formation of a funnel depends on its depth. Efficient methods of mechanization of backfilling of emission funnels in accordance with their parameters are proposed. Schemes of five main types of emission funnels are presented, taking into account the number of soil layers disturbed as a result of the explosion, which make it possible to determine the sequence of restoration of disturbed areas of the earth's surface. It has been established that the dependence of the volume of emission funnels on their depth is a power law, while the angle of inclination of the slopes also has a significant effect on the value of the funnel volume. It has been determined that with an increase in the funnel depth from 1 to 10 m, its volume increases from 350 to 450 times depending on the funnel slope angle, and an increase in the funnel slope angle by 28 % from 35° to 45° leads to an increase in its volume by 95 %, and the area by 98 %. The recommendations developed in the work on the choice of mechanization means for the elimination of emission funnels formed as a result of explosions of shells and rockets, depending on the depth of the funnel, can be used in practice. The established dependences of the required time for backfilling the emission funnels on their depth can be used for a preliminary assessment of the cost of restoration work, depending on the chosen means of mechanization and the volume of emission funnels.
The purpose of scientific exploration is to harmonize the principles of inclusive education in the social and pedagogical dimensions. The task of the article can be conditionally divided into two stages: differentiation of social and pedagogical segments of inclusive education (to make optimal strategic decisions on the organization of inclusive education); search for a synergistic model (combination of social, pedagogical, and other elements) in the formation of a favorable educational environment for inclusive principles. The methodological basis of the study was scientific and pedagogical methods. The results of the study point to those elements of inclusive education in European states, which can be actualized in the Ukrainian system of education. Consequently, inclusive education in Europe has formed clear universal principles and mechanisms that can be implemented in public education strategies, developing countries.
The focus of the proposed study is the analysis of the perception and interpretation of O. Wilde’s life and art in the historical dynamics with the accent on the modern period. The famous, cult writer of the end of the XIXth – the beginning of the XXth century has not lost his topicality and attractiveness nowadays due to certain turns in the social-cultural development of the new millennium. The impact of these turns and the society claims on the interpretation models are analyzed. Some representative examples of interpretation versions are given in comparison. Among them there are visualized variants of “The Picture of Dorian Gray” in famous movies, literary works of contemporary writers and literary biographies in which their authors create their own projections on the essence of O. Wilde’s life and creative art. A detailed analysis of Neil McKenna’s “The Secret Life of Oscar Wilde” (2004) is proposed. It is the latest sensational biography, in which the author opposes the conventional wisdom about the writer after Ellmann’s biography. MacKenna creates “a sexual odysseys”, focusing on O. Wilde’s sexual life which, according to biographer’s point of view, was the main reason and incentive of the writer’s creative art. One can’t but feel a certain risk of such an epatage, outrageous version which may be reclined in future because of its one vector property. But nevertheless MacKenna’s interpretation of O. Wilde’s life and art is updated by the society that feels the coincidence of its demands and claims with the biographer’s ones at the very this turn of its development.
This paper considers the construction of a mathematical model of the movement of an autonomous mobile robot (AMR) in variable configuration, taking into account the relationship of the dynamic parameters of a mechanical system. As an example, the design of AMR with a manipulator is considered. The object of this study is the dynamics of AMR with a manipulator. The peculiarities of the dynamics of AMR with the manipulator are due to the change in the position of the center of mass of the system with the relative movement of the manipulator and the commensurate non-diagonal and diagonal elements of the inertia tensor calculated relative to the axes of the base coordinate system. The construction of the mathematical model was carried out according to the Nyton-Euler method. The resulting mathematical model contains: – an equation of motion of the center of mass of the AMR system of variable configuration along the trajectory in the inertial coordinate system; – an equation of angular motion of AMR in variable configuration in the inertial coordinate system; – an equation of motion of the manipulator with respect to AMR. In a general case, the center of mass of the AMR platform moves in a horizontal plane. Establishing the relationship of dynamic parameters of the mechanical system will make it possible to maintain functionality and ensure the orientation of AMR in vertical planes despite the movement of the manipulator. As an object of control, AMR with a manipulator is a multi-connected system with a cross-internal connection of control channels, which is formed by the dynamic parameters of a mechanical system. Based on the results of mathematical modeling using the proposed model, it is possible to develop algorithms for adaptive control using cross-connection of channels. This will make it possible to identify reserves to reduce energy consumption, increase stability, improve the efficiency and survivability of AMR in variable configuration during autonomous work under extreme conditions.
The object of this study is the process of automatic formation of fuzzy production rules on the basis of a training sample for solving the classification problem. The problem of automatically creating and then checking the correctness of a fuzzy inference model for a classification task is solved. The result is an automatically constructed correct database of rules for solving the classification problem. Analysis of the correctness of the knowledge base is carried out using the criteria of completeness, minimality, coherence, and consistency. To prove the completeness of the rule base, Hoare logic and the resolution method are used. The quality of the classification is assessed using such metrics as accuracy, precision, recall, f1-score. The dependence of the classification result on the size of the training sample is considered. The expert system has the following features: the ability to learn from data; high level of accuracy; the correct knowledge base. The knowledge base is formed using the objects of the training sample on the basis of linguistic variables and term sets. A production model of knowledge representation is applied, combining the Mamdani and Takagi-Sugeno-Kang models. It is assumed that the left parts of the production rules describe combinations of the features of objects, and the right parts correspond to classes. The matrix representation of the antecedents of the rules is used. Consequents are represented as a column vector. For the automatic construction of the matrix of antecedents, it is proposed to use the Cartesian product. The formation of the consequent vector is carried out automatically using domain data and a training procedure. The resulting expert system can be used to solve the problems of classification, clustering, data mining, and big data analysis
The article examines the issue of the primary formulation of the idea of justice in philosophy. It is substantiated that justice is not just the central idea of law but a universal form of embodiment of the idea of justice. In other words, the law is a product of the idea of justice, since injustice could not be embodied in law. Modern geopolitical events, in particular, such as climate change, a pandemic, a war in Ukraine will lead in the future to a change in the regulation of public relations. According to this law, as the most effective regulator, will be subjected to serious pressure. The deformation of the existing legal matter occurs both in its formal expression at the level of legislation (in the broadest sense of this definition), and in a more subtle one - ideological and theoretical. These changes should be considered in view of the increasing practical issues raised by identity politics, as well as in issue of revising the meaning and role of the state for society and the individual in the whole. The events authors observe are comparable in scale to the time when the era of classical Greece ended, when the great philosopher Plato lived and worked, whose philosophical views continue to have a great influence on the intellectual search for European civilization after many centuries. It is not surprising that Plato's most important political dialogue "The State" was devoted specifically to the problem of searching and justice substantiation. In this first article the authors strive for drawing the attention of the scientific community to the issue of justice as a benefit. In legal science, the postulate that justice is the goal, the idea of law is consolidated. In the article the first embodiment of justice idea in the mythical representations of ancient civilizations and the relationship between justice and legislation as a mechanism of determining the desired level of justice in the former society are demonstrated. Аn attention on the content of the legal system with philosophical views of a justice idea in Roman times is focused. This formed a unique legal system known today as Roman law. A special class of lawyers, that was a specific phenomenon of the development of ancient Roman society, had an important influence on this process. Firstly, the presence of a class of lawyers is the cornerstone that distinguishes ancient Roman society from ancient Greek one. Secondly, the ideological and philosophical content of the law of Roman society and its going beyond the clear positive limits of the laws of Twelve tables enable. However, the authors offer the other point of view, owing to the fact that law in its form and purpose is a function of justice, a universal form of its implementation; according to which justice acquires the possibility of its practical implementation in society. null
The design and search for new selective inhibitors of CA II with a better pharmacological profile, which would cause minimal electrolyte disturbances in the body, remains an urgent problem of medical chemistry and pharmacology today. It is important that the discovered new classes of inhibitors do not always contain the main “pharmacophoric” function (sulfamide), which is characteristic of “classic” drugs (Acetazolamide, Methazolamide, Ethoxzolamide, Dorzolamide and others), but are derivatives of phenols, polyamines, coumarins/thiocoumarins, ureas, thioureas, hydroxamates, etc. These molecules also bind in the active site of the enzyme, but do not interact directly with the catalytic zinc ion or interact through zinc-coordinated water molecules/hydroxide ion. However, this leads to an increase in their selectivity and, as a result, pharmacological action. Continuing the search for compounds that affect urination, we were interested in aroylhydrazones of esters of quinone oxime. Firstly, they are characterized by certain structural features (dynamic and geometric isomerism); secondly, they exhibit redox properties; thirdly, the presence of aromatic fragments makes it possible to create a voluminous combinatorial library for analysis. These compounds are ligands in complexation reactions, and an additional increase in the number of hydrogen acceptors in the molecule due to structural modification will improve ligand-enzymatic interactions with carbonic anhydrase (CAII) and, as a result, reveal new promising diuretics. The aim – design and search for potential diuretics (CA II inhibitors) among aroylhydrazones of esters of quinone oxime using in silico, traditional synthesis and in vivo methodologies. Methods of organic synthesis, physico-chemical methods of analysis of organic compounds (NMR 1H-spectroscopy, elemental analysis). Prediction of affinity to the biological target, prediction of toxicity and lipophilicity of the combinatorial library of benzohydrazides O-aroyl esters of quinone oxime using computer services. The study of compounds affecting the excretory function of rat kidneys was carried out according to the generally accepted method of E.B.Berkhin with water load. The investigation of the probable mechanism was carried out using flexible molecular docking, as an approach to search for molecules that have affinity for human carbonic anhydrase type II (CA II). Macromolecular data of the crystal structure of CA II (PDB ID – 3HS4) were downloaded from the Protein Data Bank (PDB). The design was developed and the search for diuretic agents among benzohydrazides of O-aroyl esters of quinone oximes was developed using in silico methods (prediction of affinity, lipophilicity, toxicity and enzyme-ligand interactions), traditional organic synthesis, and in vivo methods (effect on excretory function of rat kidneys). The synthesis of benzohydrazides of O-aroyl esters of quinone oxime was carried out by the interaction of aroylhydrazines with 4-[(aroylimino)]cyclohexa-2,5-dien-1-ones. The structure of the synthesized compounds was confirmed by elemental analysis and 1H NMR spectra. Studies of the effect of synthesized compounds on the excretory function of rat kidneys allowed us to identify a number of promising compounds among aroylhydrazones of quinonexime esters, which increase daily diuresis by 54.2-352.8% compared to the control group. At the same time, it was established that the most active was N'-(4-[(2-chlorobenzoyloxy)imino]cyclohexa-2,5-dien-1-ylidene)-3-nitrobenzohydrazide, which increased daily diuresis by 352.8% in comparison with the control group, while exceeding the effect of “Hydrochlorothiazide” (170.8%). The developed and implemented strategy for the search for diuretics among benzohydrazides of O-aroylesters of quinone oxime allowed the identification of an effective compound, which in terms of diuretic effect exceeds the comparison drug “Hydrochlorothiazide”. Visualization of the molecular docking of the active compounds showed that their geometry makes it difficult to place them in the pocket of the active site of CA II, but the pronounced diuretic effect can also be associated with their ability to form coordination bonds with the zinc cation. The obtained results justify the further targeted search for potential diuretics among this class of compounds for a more detailed understanding and study of the mechanism of action.
The paper examines the choice of optimal ways of overcoming crisis phenomena in the sphere of political communication in the context of the Russian-Ukrainian war. Special attention was paid to the theoretical explanation of the phenomenon of political communication in terms of its scope and practical usefulness. The article analyzes the features of the conduct of an information war by the Russian Federation. The purpose was to investigate the optimal ways of overcoming crisis phenomena (large-scale military aggression) by means of the tool of political communication. The article is based on the use of two types of research methods: general scientific (analysis, synthesis, induction, deduction) and special political (structural-functional, historical, etc.). The obtained results allow us to conclude that, on the basis of the analysis of the Russian-Ukrainian war, communication solutions should be aimed at fulfilling three tasks: neutralizing negative information, editing it and disseminating alternative information. The work of communicators during the war has certain limitations caused by their subordination to the military command. Definitely, the problem of the Russian-Ukrainian war demonstrated the existence of a considerable number of problematic issues in political communication in Ukraine and the world.
The aim of the article was to investigate the principles of the implementation of diplomatic policy and the problems of the Russian-Ukrainian war settlement by applying the method of mediation. The work is based on the use of both special methods of political research and general scientific methods (analysis, synthesis, induction, deduction). With the help of a prognostic method, an attempt was made to characterize the short-term results of the introduction of political mediation in the ongoing Russian-Ukrainian war. The results showed that mediation is a special negotiation technology for resolving political conflicts. The key tasks of mediation in political conflict resolution are neutralization of negative consequences of the confrontation, search for dissonance between the parties and development of a strategy for further actions, etc. It is concluded that, at this stage of the war, political mediation to resolve the problems is possible only due to the military failures of the Russian side and the Ukrainian collaborators supported by it.
The object of the research was the disclosure of universal human principles of law as a universal normative framework. It has been investigated that the term "principle" is used in several meanings: 1) in the main framework of the original ideas that are characterized by universality, of general meaning and higher imperative, and reflect the essential provisions of theory, doctrine, science, system of domestic and international law for a political, state or public organization; 2) in the inner conviction of a person, which determines his attitude to reality, ideas and social activities. The methodological basis of the research is presented as comparative-legal and systematic analysis, formal-legal method, method of interpretation, hermeneutic method, as well as methods of analysis and synthesis. By way of conclusion, it has been investigated that universal human principles of law are based on such diverse rights (principles of their concentrated development) as: humanism, all of which are used on the grounds of the dignity of the person and his fundamental rights and freedoms.
Antioxidant enzymatic activity and soluble protein content in Robinia pseudoacacia L. (black locust), invasive tree in Europe, plants were determined under feeding conditions of the caterpillars of Parectopa robiniella Clemens, 1863, invasive miner in Europe, in trees of three (I, II, III) age groups (5–10, 15–25, and 40 years). Biochemical analysis data showed significant differences between reference and experimental leaf samples in different urban ecosystems. There was no association between changes in catalase and peroxidase activity and protein content under the influence of leaf blotch miners depending on the tree age. Significant variability of proteins under P. robiniella influence was noted; the highest of its values were recorded in the leaves of ІІІ-aged trees. In most plantings (and especially in trees of age group III), an increase (1.2 to 2.7 times) in GPx activity or the absence of its changes was registered both in the ecologically favorable zone and in the locations affected by emissions from road transport and industrial enterprises. Plants of age groups I and II in the emission areas of metallurgical, pipe-rolling, and chemical industries experienced a significant decrease in GPx activity (by 20.2–44.6%) in the leaves damaged by the phytophage. In most of the plantings studied, catalase showed an increase/stability of its activity in all age groups of trees under condition of pest attack. The highest increase in САТ activity (2.1 times) was recorded in young R. pseudoacacia plants in an ecologically favorable area of the city.
The effects of climate warming and eutrophication on aquatic organisms are well established, but we lack a deep understanding of the selective mechanisms of fish communities towards eutrophication and warming in tandem. The aim of the study was to identify fish traits that were positively related to eutrophication and ongoing warming. The research was conducted for 19 years in the Dnipro River channel and floodplain water system of the “Dnipro-Orylskiy” Nature Reserve. Both categorical and continuous fish traits were considered. The study area is characterized by a more intense warming trend than the average for Europe, which reflects an increase in the maximum summer air temperature. At the same time, the concentration of chlorophyll-a had a monotonic tendency to decrease during the study period. Phytophilic, limnophilic, and freshwater fish species are increasing in abundance, while rheophilic and lithophilic fish are decreasing due to global warming. Fish species with greater vulnerability and resilience have selective advantages in terms of global warming. Pelagic fish species are the most resistant to eutrophication, while benthopelagic and phytolithophilic fish species are the most sensitive. Brackish-water demersal self-settled species of marine origin have a competitive advantage over other native freshwater species in the face of increasing symptoms of eutrophication and a warming climate.
The influence of plastic deformation on the change of the relative number of luminescence centers of Mn ²⁺ ions with various local surroundings in ZnS single crystals at various wavelengths of the excitation light has been thoroughly studied. Taking into account that the emission of each individual photoluminescence band is due to the emission of manganese luminescence centers with a certain type of local symmetry, the use of the decomposition of the experimental photoluminescence spectra of Mn ²⁺ ions in ZnS single crystals into individual bands and the subsequent analysis of changes in the photoluminescence spectra of each individual band allowed a detailed study of the effect of dislocation move on quantitative changes in emitting manganese luminescence centers of various types.
The article considers the important problem of the development of professional mobility of future teachers of special education, the solution of which is actualized by significant changes in the practice of remedial work and approaches to its organization in both special and inclusive institutions, the content of which is significantly restructured in wartime conditions. Solving this problem requires higher education institutions to respond quickly to requests and challenges of educational practice and to pay special attention to updating the content of training of remedial teachers in the aspect of forming personal and professional mobility skills. Тhe article examines the views of scientists on the phenomenon of professional mobility in social, psychological and pedagogical aspects. Professional mobility is presented by the authors as an important component of pedagogical competence, which is manifested in the readiness and ability of future special education teachers to change professional functions within one professional activity and to master new directions of correction and development of personality in the conditions of a dynamically changing labor market, and also requires a high level of social development and personal life-creativity competencies. The authors define content-technological foundations of the development of professional mobility of future teachers of special education in the light of the competence approach. They attributed the following conceptual approaches to it: competence-specific, systemic, activity-based, technological, acmeological, student-centered, synergistic, research, integrated, and life-creativity; principles of pedagogical activity: creativity, personal responsibility, trust and partnership, reflexivity, dynamic integrity, openness, noospheric outlook, self-organization and self-actualization; organizational and pedagogical conditions: actualization of the possibilities of the institution of higher education as a personal development environment, development and implementation of methodological principles for the involvement of future special education specialists in professionally significant creative activities in all possible forms of education. Attention is drawn to the fact that the identified basic approaches, principles and conditions are interrelated, complement each other and collectively represent the most solid scientific basis, on which one can base the technology of developing the professional competence of a special education teacher with a high-quality result in achieving the set goal.
Cognitive-discursive modelling is an effective research methodology since, in the translation process, the translator himself uses target language means to model the reality described by the author. Also, an important factor in the translation process modelling is the analysis and comparison of chronologically distant original work’s various retranslations, which allows us to follow the influence of discursive and cognitive factors on the process and result of translation. The purpose of the article is to justify the complex methodology of cognitive-discursive model construction (hereinafter the CDM) of the diachronic plurality in chronologically distant original work translations as an interpretive and heuristic activity. The tasks of the research are the following: to construct the CDM discursive module; to construct the CDM cognitive module; to structure the CDM retranslation module. The material of the study is connotative original units, chosen from chronologically distant original text – W. Shakespeare’s tragedy Othello (1604) – and their equivalents in Ukrainian diachronic retranslations performed by P. Kulish (1819–1897), I. Steshenko (1898–1987), and O. Gryaznov (1940–2021). Taking into account translation studies interdisciplinary nature, the methodology of the CDM complex construction procedure is determined by a polyparadigmatic approach that combines discursive, linguistic, cognitive, and translation directions of analysis. Each of these directions is represented by a number of methods, techniques and analysis procedures. As an interpretive-heuristic activity, the CDM construction algorithm involves three stages: the construction of the CDM discursive module by applying discourse analysis methodology, which involves the segmentation of the discursive module into three components: extralingual, textual and lingual; construction of the CDM cognitive module by applying cognitive linguistics methodology, in particular the method of frame mapping, as well as the application of cognitive analysis, comparative analysis, conceptual analysis and frame modelling; construction of the CDM retranslation module by applying the methodology of translation studies, in particular contrastive-translational analysis and transformational analysis. Conclusion. The combination of discursive, cognitive and retranslation modules contributes to a deeper understanding of the artistic text and the degree of the author’s worldview representation in the translation. The CDM construction of the diachronic plurality of chronologically distant original work translations makes it possible to study a number of problems comprehensively, namely: developing criteria for translation adequacy, revealing the causes of obstacles on the way to achieve an adequate translation, and determining ways of their maximum reduction and/or elimination in the translation process.
The exact values of the Kolmogorov, Bernstein, and trigonometric n-widths are obtained for the classes defined by the Hadamard compositions, generalized K-functionals, and majorants in the Hardy, Bergman, and Gvaradze Banach spaces. The exact values of the upper boundaries of the moduli of Fourier coefficients were also found for the indicated classes of functions.
Modern scientific communication traditionally uses visual narratives, such as comics, for education, presentation of scientific achievements to a mass audience, and as an object of research. The article offers a three-level characterization of the interaction of comic culture and science in a diachronic aspect. Attention is focused not only on the chronological stages of these intersections, the expression of the specifics of the interaction is offered against the background of scientific and public discussions that accompany the comics–science dialogue to this day. Within the framework of the first stage (the appearance and distribution of popular science and educational comics), the characteristics of comics content necessary for the different genesis are highlighted: documentary storytelling, educational practices of learning through drawing, active cooperation with well-known companies and institutions, informativeness and empathic involvement of the young reader in a heroico-romantic narrative of scientific discoveries and mastering nature. With the intensification of interdisciplinary approaches (the second stage), comics are increasingly involved in presenting scientific results within the most diverse fields. Comics-based research is becoming an interdisciplinary method and a widespread practical area with the corresponding formation of scientific tools (applied comics, data comics), forms of interdisciplinary interaction (graphic medicine, ethnography, narrative geography, urban comics, comics journalism, etc.), and scientific publications (“The Comics Grid: Journal of Comics Scholarship”, “Sequentials”). The national format of comics-based research is presented on the example of Ukrainian comics projects (historical, feminist comics). In the genesis of development, Comics Studies have gone from a field of research to disciplinary definitions. In the creation of the metadiscourse of the scientific direction (the third stage), the authors focused on scientific discussions, the formation of academic directions and approaches, and markers of disciplinary self-identification. Emphasis is placed on the unique phenomenon of the simultaneous concordance of various stages of the dialogue between comics and science, on the prolonged replication of successful inventions into modern experience, and the active testing of known narratives at new levels of a scientific presentation.
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Sergiy Shemet
  • Scientific Research Institute for Biology
Valentyn Borulko
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Galyna Ushakova
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Tatiana Mokritskaya
  • Department of Chemistry
Peter I. Kogut
  • Differential Equations
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