Scientific Novelty Research Articles

The influence of cholesterol and calcium ions on the interaction of cryoprotectors with a biological membrane model

Abstract In this work, we studied the effects of three cryoprotectors – ethylene glycol, dimethyl sulfoxide and sucrose – on the compression isotherms of egg yolk Langmuir monolayers both in the presence and in the absence of cholesterol in the monolayer. The influence of calcium ions from the subphase affecting the effectiveness of cryoprotection on isotherms is also examined. In addition, the elastic properties of the obtained monolayers are investigated by calculation and comparison the compression modulus of the monolayer. The scientific novelty of the work is in consideration of a complex biosimilar system (an egg yolk monolayer, cholesterol and their mixtures) on the surface of the aqueous solution of the nutrient mixture and obtaining information about the specific interaction of different cryoprotectors with lipid membranes. We found that when calcium ions and cryoprotectors are simultaneously added to the subphase, they block each other's influence on the lipid monolayer and reduce the effectiveness of cryoprotection. Cholesterol in the yolk in a ratio of 1:50 m/m changes the properties of the monolayer, which leads to increased action of cryoprotectors. Also, for the first time, the effect of a significant increase in surface pressure (by ~20 mN/m) was detected when cryoprotectors were added to the system under consideration. This effect can serve as an indicator of the effectiveness of membrane dehydration by cryoprotectors and be used to find the most effective and safe cryoprotector compositions. The obtained data can provide important recommendations for the development of cryoprotective media for cell freezing. Since the study of the mechanisms of calcium interaction (the most important signaling cation) with biological membrane and membrane-like systems is important for understanding the various effects caused by medicinal and biologically active drugs at the cellular level, the study is of interest for various fields of biophysics and biomedicine.

Forecasting technique of transport need for population of cities with high tourist potential during peak seasons

Introduction. One of the key problems in ensuring the quality of recreation for the population is the provision of transport services that meet the transport needs of vacationers. The study of the transport needs of the population of resort cities during the holiday season is caused by the need to assess changing passenger flows as a result of a multiple increase due to vacationers in accordance with their place of attraction and possible adjustments to the routes of regular passenger transportation by road. This determines the relevance of the topic of this article. The purpose of the article is to develop a methodology for determining the needs for transport services for the population and vacationers in cities with high resort potential during the busiest periods, which makes it possible to design transportation processes along regular routes.Materials and methods. General scientific methods of analysis and synthesis, the provisions of probability theory and mathematical statistics, mathematical modeling, as well as the provisions of the technology of transport processes were used as the main research methods. The work carried out the zoning of the city into transport areas with a center of gravity at stopping points of urban passenger transport. Calculations of potential transport needs were carried out on the basis of a survey of vacationers and field observations, which were processed using standard Microsoft Excel and Statistika software.Results. The main result of the work is a methodology for determining the potential transport needs of the population and vacationers in cities with high tourism potential for the development and adjustment of routes for regular passenger transportation by road during the holiday season, which represents the scientific novelty of the research. The technique contains a mathematical model and algorithm.Discussion and conclusion. The use of this methodology will enable the organizer of transportation in resort cities to optimize the organization of regular passenger transportation by road during peak seasons.

Метафоризация детерминативных глагольных композитов с параметрическими компонентами “hoch” и “nieder” в немецком языке

This paper deals with a study of the metaphorical meanings represented by complex verbal phrases with a definitional component of a parametric adjective. The research aims to reveal the associative and imaginative properties of parametric adjectives, on the basis of which metaphorical transfers are formed. The scientific novelty of the research lies in the fact that spatial properties of German adjectives “hoch” and “nieder” are considered for the first time through the prism of figurative perception of space. This inspires us to broaden our knowledge not only about the nominal aspects of these phrases but also how the size attributes of material objects are being restructured in the mindset of a human and how certain abstract phenomena and notions are cognized in a parametric plan. The study detected that the parametric adjectives in the analyzed composite verbs vary largely with the degree of their semantic metaphorization. The core of the imagery of these units contains the re-conceptualization (re-thinking) of spatial relations, which leads to the appearance of new properties and attributes of imagination used to nominate non-spatial sense categories.

Comparative Study of Gas and Liquid Chromatography Methods for the Determination of Underivatised Neutral and Acidic Cannabinoids and Cholesterol

The aim of our study was to develop a gas chromatographic method coupled with mass spectrometry (GC-MS) for the determination of underivatised neutral (CBDs-N) and acidic (CBDs-A) cannabinoids (CBDs) and cholesterol (Chol). Emphasis was also placed on comparing our original GC-MS method with the currently developed C18-high-performance liquid chromatography with photodiode detection (C18-HPLC-DAD). A combination of a long GC column, shallow temperature column programme, and mass-spectrometry was employed to avoid issues arising from the overlap between CBDs and Chol and background fluctuations. The pre-column procedure for CBDs and Chol in egg yolks consisted of hexane extractions, whereas the pre-column procedure for CBDs in non-animal samples involved methanol and hexane extractions. CBDs-A underwent decarboxylation to CBDs during GC-MS analyses, and pre-column extraction of the processed sample with NaOH solution allowed for CBD-A removal. No losses of CBDs-N were observed in the samples extracted with NaOH solution. GC-MS analyses of the samples before and after extraction with NaOH solution enabled the quantification of CBDs-A and CBDs-N. CBDs-A did not undergo decarboxylation to CBDs-N during C18-HPLC-DAD runs. The use of the C18-HPLC-DAD method allowed simultaneous determination of CBDs-N and CBDs-A. In comparison to the C18-HPLC-DAD method, our GC-MS technique offered improved sensitivity, precision, specificity, and satisfactory separation of underivatised CBDs and Chol from biological materials of endogenous species, especially in hemp and hen egg yolk. The scientific novelty of the present study is the application of the GC-MS method for quantifying underivatised CBDs-A, CBDs-N, and Chol in the samples of interest.

PARAMETRIC MODELING AS AN INNOVATIVE APPROACH IN GRAPHIC DESIGN

Purpose. The article focuses on exploring the possibilities and strategies of innovative integration of parametricism into the field of graphic design and analyzing the main problems and potential solutions in using parametric design in creating graphic objects. Methodology. According to the research topic, the methods employed include comparative study, theoretical analysis, and synthesis. Results. The article discusses the definitions and characteristics of parametric design, examines its applications for optimizing design thinking and creating personalized objects. Various levels of innovative implementations are presented, offering several strategies for integrating parametric modeling into graphic design, including visual element generation, layout optimization, design interactivity enhancement, and data visualization in personalized design. Additionally, integration challenges related to the use of artificial intelligence technologies are discussed. Scientific novelty. The article analyzes various levels and effective strategies for applying parametric modeling in the field of graphic design, exploring current aspects of interaction that are innovative and emphasizing the importance of utilizing parametric design methodology, artificial intelligence, and computational design in the paradigm of contemporary graphic design. Practical significance. The materials presented in the article can be utilized for investigating the innovative application of digital design, parametric design, and artificial intelligence in the field of graphic design.

ОСОБЛИВОСТІ ВЗАЄМОЗВ’ЯЗКУ РІВНЯ СУЇЦИДАЛЬНОГО РИЗИКУ ТА ЕМОЦІЙНОГО ВИГОРАННЯ У ВІЙСЬКОВОСЛУЖБОВЦІВ

The article presents the results of a theoretical analysis and an empirical study of the features of the relationship between emotional burnout and suicidal risk in military personnel. The analysis of the psychological literature on the problem showed that the activities of the military take place in special, extreme conditions associated with a threat to people’s lives and health. It makes higher demands on the personality of the military man, his moral-willed, emotional, intellectual qualities, which creates an increased load on the specialist’s adaptive systems. Over time, there is an accumulation of negative states, which leads to the development of various professional deformations and destructions. One of the manifestations is the syndrome of emotional burnout, the consequence of which can be the appearance of suicidal thoughts and behavior. The purpose of the study is to determine the characteristics of the relationship between emotional burnout and suicidal risk in military personnel. Scientific novelty. The conducted research revealed that all symptoms of emotional burnout in military personnel are in the stage of formation. Among suicidal motivation, the most pronounced complexes are: anesthetic, anemic, altruistic and autopunitive. The least pronounced are instrumental and heteropunitic. The most pronounced anti-suicidal motivational complexes are: final uncertainty, ethical complex, moral and salutary. The least expressed are aesthetic, narcissistic and religious. The most pronounced diagnostic concepts of suicidal risk are: anti-suicidal factor, demonstrativeness, social pessimism and maximalism. The least pronounced is the breaking of cultural barriers. Conclusions. The analysis of the features of the relationship between emotional burnout and suicidal risk showed that the formation of emotional burnout syndrome significantly increases the level of suicidal risk in military personnel. Psychologists need to develop effective means of preventing emotional burnout in military personnel. Key words: emotional burnout, autoaggressive behavior, suicidal behavior, military personnel.

INFLUENCE OF SILK ROAD CULTURE ON MODERN DESIGN: ARTISTIC FEATURES OF CHINESE BROCADE PATTERNS

Goal: this study aims to analyze the influence of Silk Road culture on the style of brocade patterns in the Tang and Ming Dynasties of China, as well as to consider the practices of using brocade motifs of ancient dynasties in modern design. Methodology: based on the research of scientific literature, this article compares and analyses the stylistic characteristics of brocade patterns: connected beads, curly grass, treasure and cloud; the analysis makes it possible to trace the process of formation and evolution of brocade patterns in the Tang Dynasty. The methods of figurative and stylistic, formal analysis, methods of systematisation, and processing of results are also involved. Results. The study pointed out that the opening of the Silk Road promoted cultural exchanges between East and West, and the prosperity of politics, economy, and culture in the Tang Dynasty promoted the diversity and development of patterns. The above-mentioned motives, through integration with foreign cultures, formed symmetrical beauty, curvilinear beauty, and symbolic characteristics of Tang Dynasty patterns. In the example of the creativity of the modern Chinese designer Chen Liwen, the transformation of the motif «Tiger Sniffs the Rose» and the image of the Chinese tiger of the Ming Dynasty period in the development of modern design products is shown. Scientific novelty. This article reveals the historical evolution of the popular brocade patterns in the Tang and Ming Dynasties of China, summarizes his unique artistic style, and provides inspiration for contemporary clothing innovation design. Practical significance. The significance of this study lies in providing historical data for the integration of ethnic cultures and demonstrating the overall characteristics and evolution process of the Tang and Ming Dynasties patterns.

HISTORICAL EVOLUTION AND INNOVATIVE DESIGN OF QIANG COSTUMES

Рurpose. This paper analyzes the evolution process and cultural connotation of Qiang costume form, discusses the application form of Qiang costume elements in modern clothing design, and provides a theoretical basis for the innovative design of national costumes. Methodology. The field research method, literature analysis method, and case study method are used to analyze the evolution process, cultural connotation, and design application of Qiang costumes. Results. By studying the development process and style design changes of the Qiang costumes, it is concluded that its unique cultural connotation and design characteristics are closely related to the social characteristics, production methods and religious beliefs of the Qiang people. It is the materialized expression of the Qiang people's world outlook and national psychology. It reveals the reasons for the change of the Qiang costume modelling and proposes the method of using ethnic elements in modern costume design. Scientific novelty. This paper studies the development process of Qiang costume shape from the perspective of design, history, ethnology and anthropology, and puts forward that Qiang costume is the materialized expression form of local people 's world outlook, values and aesthetics, and clarifies that the change of Qiang costume shape is influenced by religious culture and Han-Tibetan culture. Suggestions are made in the form of integration of national costume elements with modern clothing design. Practical significance. The Qiang costume has been fused with other ethnic cultures in the course of historical changes, which is both inherited and changed, which is very inspiring to modern costume design. Digging deeper into the cultural connotation and design language of Qiang costume, so that it can innovate the design method and explore the design carrier while inheriting the national culture, so as to provide reference for the creation of a costume design that can embody both the traditional Chinese culture and the sense of the times.

ОСОБЛИВОСТІ ВЗАЄМОЗВ’ЯЗКУ ЕМОЦІЙНОГО ВИГОРАННЯ ТА ПЕРЕЖИВАННЯ ЗАЗДРОСТІ У ПРАЦІВНИКІВ ЗАКЛАДІВ ВИЩОЇ ОСВІТИ

The article presents the results of a theoretical analysis and an empirical study of the peculiarities of the relationship between emotional burnout and the phenomenon of envy among education workers. Psychophysical, emotional, intellectual, behavioral, socio-psychological symptoms of emotional burnout are distinguished. Its development is related both to external factors of the environment and the organization of activities, and to personal characteristics. Envy is a complex psychological phenomenon that is a mechanism of destructive behavior. Having a number of positive functions, envy is mostly interpreted as a negative feeling in society. Envy is determined by the lack of internal worldview and psychological balance, harmony. It occurs in dependent, insecure individuals with problematic self-esteem and a history of psychological trauma. The purpose of the study is to determine the characteristics of the relationship between emotional burnout and the phenomenon of envy among employees of higher education institutions. Scientific novelty. It was found that subjects with the “Envy-hostile” type have less pronounced symptoms of emotional burnout. They expect a more positive attitude from others, are self-confident, have self-acceptance and self-sympathy, and less self-blame. Subjects with the “Envy-distrust” type are characterized by a certain degree of hostility to their own “I”, self-rejection, emphasis on their own shortcomings, inadequate self-esteem and readiness for self-blame, reduced self-interest, expectation of a positive attitude towards them from those around them, and a decrease in self-control. Psychological characteristics of people with different types of envy are one of the factors that influence the development of emotional burnout among employees of higher education institutions, since the attitude towards oneself and the world determines the mental and emotional state of the individual. Conclusions. The results obtained in the study confirmed the proposed hypothesis, namely the assumption that employees of higher education institutions diagnosed with a high level of envy-mistrust are more prone to the development of emotional burnout than employees with pronounced envy-hostility. Key words: emotional burnout, envy, employees of educational institutions.

Технология использования мультипликационных фильмов в обучении бурятскому языку детей дошкольного возраста

The Buryat language is in danger of extinction. Vitality of the language is determined by children's use of it. At present, there is an urgent need in the republic to develop and apply in the process of teaching the Buryat language such technologies that will be interesting and demanded by pre-school children. The purpose of the study is to show the possibilities of using cartoons in the process of teaching Buryat language as a second language to preschool children. In the course of the study we applied the following methods: generalization of experience in teaching Buryat language as a second language to preschool children, analysis of scientific literature on the methods of early foreign language teaching, speech development of preschool children, use of cartoons in language classes, observation of the process of language skills formation in preschool children, experimental and pedagogical work, conversation with Buryat language teachers of preschool educational organizations of the Republic of Buryatia. The study revealed that cartoons created in the Buryat language have a great didactic potential. To use them for the purpose of teaching the Buryat language, a selection of cartoon series was made and a set of tasks for them was developed. This set of tasks realizes the methods of teaching second languages and the algorithm of work on video materials. Scientific novelty of the study consists in methodical analysis of the teaching potential of cartoons in the Buryat language, the study of linguistic and speech content of cartoon texts and the possibility of using them in the formation of linguistic skills and the development of technology of using these cartoons in teaching the Buryat language to preschool children. The practical significance of the study lies in the description of a set of tasks for working on cartoons, which makes it possible to use the results of the study in the development of new technologies of teaching Buryat language and other languages with the use of cartoons, in particular, in the development of a set of tasks and exercises for different types of language and speech skills, in the creation of educational cartoons.

СЕВЕРО-СИБИРСКАЯ ЖЕЛЕЗНОДОРОЖНАЯ МАГИСТРАЛЬ: ИСТОКИ ЗАРОЖДЕНИЯ ИДЕИ

The paper, based on identified historical documents, presents aspects of the origin of the idea of building the North Siberian Railway. The purpose of the study is outlined - to reveal the features of the promotion of plans for the construction of new railway lines at the beginning of the 20th century. The scientific novelty lies in the fact that the work presents unpublished materials, in particular, those stored in the archives of the city of Yeniseisk. Archival documents testify to the results of the meeting on communication routes (Irkutsk, 1906), which laid the foundation for the transformation of railway, river and land transport communications in Siberia. The activities of the authorities of Siberian provinces and cities aimed at developing a network of transport communications are shown. One of the large-scale plans was the idea of building the Northern Highway - Tomsk-Yeniseisk-Kirensk-Amur Road. It was supposed to solve the problems of introducing the entire Northern Region to the common cultural life - from the Ob to the Amur, as well as creating a strong and reliable connection with the Far East. The Russian government supported the idea of Siberian cities, allocating state funds for technical research on the planned Tomsk-Yeniseisk railway line. In 1913, a survey party examined the railway route and put it on the map. However, these plans were not destined to come true at the beginning of the last century, as the time of great upheavals was approaching, which significantly changed all of Russia. At the same time, the focused efforts of researchers of the last century became the basis for the process of accumulating scientific and practical experience, which was necessary for developing concepts for the development of the eastern regions of the country at the beginning of the 21st century.

Социально ответственная коммуникация бизнеса: генезис и эволюция

Introduction. In the modern world, socially responsible communication and the social policy of business in relation to the state and society play a key role on which the growth of the company’s intangible assets and its financial well-being depends. The purpose of the article is to analyze the prerequisites for the emergence of socially responsible business communication in Russia and abroad, consider the stages of their development and draw up a periodization. Methodology and methods. The theoretical and methodological basis of the study was a systematic approach that promotes ordering and systematization of many historical events and facts of social business initiatives into an integral unity. Research methods: analysis of literary sources, retrospective analysis, comparative analysis of Russian and Western practices of socially responsible communication and social business initiatives, synthesis, generalization. Results. Using a systematic approach, an analysis of Russian and global methodology for socially responsible behavior of companies and a historiographical review of communication activities in the context of social responsibility of business were made, and a periodization of the process of development of socially responsible communication of business in Russia and abroad was compiled. Scientific novelty lies in the systematization and periodization of the prerequisites and facts of the origin and development of socially responsible communication in Russia and abroad. Practical significance. The results of the study may be useful for improving socially responsible business communication.

Художественное своеобразие картин на тему Великой Отечественной войны в творчестве А. П. Холмогорова

The paper analyzes original approaches by the RSFSR People’s Artist A. P. Kholmogorov to the theme of the Great Patriotic War revealed in the artist’s paintings and texts. The latter sources have not yet been analyzed in biographical studies. The scientific novelty of the paper lies in updating the content of the painting of the Soviet period associated with the theme of the Great Patriotic War heroes, in focusing on little-studied aspects of A. P. Kholmogorov’s creative work, as well as in introducing new sources into scientific use. These are diaries, articles in printed media outlets, and published interviews, which are presented to readers for the first time. As a result of analysing paintings and archival materials, the role of the specified topic in the artist’s creative work has been revealed. It consists in preserving the historical memory of the events and heroes of the Great Patriotic War. A. P. Kholmogorov’s paintings reflect historical events and convey an atmosphere of heroism and patriotism.

Application of cytogenetic studies to assess relapse in patients after allogeneic bone marrow transplantation

Ergospirometry is a modern approach to the diagnosis of physical health that involves the use of exercise testing to measure cardiopulmonary function. Aims: To compare the distribution of health characteristics and their relationship between participants, to evaluate the accuracy of hypertension, hyperlipidemia and diabetes in both groups, to measure respiratory rate and heart rate between ergospirometric testing and traditional testing for physical health assessment. Study design: A comparative cross-sectional design to assess ergospirometric testing and traditional testing for physical health assessment. Methodology: The study employed a comparative cross-sectional design, utilizing convenience sampling to recruit participants for ergospirometric testing on a treadmill and the traditional 6-Minute Walk Test. Sample size determination yielded 100 participants (50 per group). Data on sociodemographic, comorbidities, and physiological parameters were collected and analyzed using descriptive statistics, chi-square tests, and independent sample t-tests. Results: The study compared Ergometric testing on a treadmill with the Traditional 6-Minute Walk Test across various parameters. Participants undergoing Ergometric testing were younger with more females and smokers, while the Walk Test group had higher BMI and exercise rates. Ergometric testing revealed higher rates of hypertension (P = 0.034) and hyperlipidemia (P = 0.021) but lower diabetes prevalence (P = 0.016). Additionally, Ergometric testing showed a better detection of respiratory parameters, exercise stress detection (P = 0.009), and cardiovascular parameters as compared to Traditional testing. Furthermore, it has a higher sensitivity 85% and specificity 80% compared to the traditional testing having sensitivity 75%, and specificity 70%. Scientific Novelty: Spirometry testing has made an impact on physical examination today; using advanced technology to achieve the best, sensitivity and specificity marks changes in the actual examination. Conclusion: Ergometric testing (treadmill) shows a significant advantage over traditional testing (6-Minute Walk Test) in diagnosing physical health conditions with a high sensitivity, specificity, and comprehensive parameter assessment.

Philosophical Foundations in Training Traditional Religious Educators: Bridging Past and Present

Aim. Preparing teachers for future challenges involves more than just giving information— it is about forming individuals who can adapt to an evolving world. This paper aimed to examine Aly Zawiyah Jakarta, renowned for its traditional religious education, and explore how its values can offer insights into effective teacher training. Method. A qualitative approach to investigate the intersection of cultural, religious, and personal values with teacher development programs at Mahad Aly Zawiyah Jakarta was used in the study. Results. The study demonstrated that by adopting teaching techniques inspired by those used by Prophet Muhammad PBUH, educators do not only acquire knowledge but also discover themselves spiritually and morally. This then enables them guide forthcoming generations appreciating what these principles mean both for the individual person and the role of humanity on earth. Scientific Novelty. The contribution of this research was to emphasise the value of blending traditional practices with innovative approaches to enrich religious education. The practice of preserving age-old traditions while adapting them to contemporary needs is portrayed as a domain in which educators evolve to assume leadership roles in an ever-changing environment. Conclusion. In its influence on the future of education, it was determined in the research that the integration of traditional religious doctrines with modern pedagogical approaches fosters the capacity of educators to connect the past and present— thus, not compromising their readiness to address future challenges.

Система обучения категории вида русских глаголов в китайской аудитории

The aim of the study is to propose a system of teaching the category of aspect of Russian verbs to Chinese students. The paper presents a research conducted at the Altai State Pedagogical University, which helped to identify the main problems in the assimilation of types of verbs by Chinese students and to test the developed teaching system, which made it possible to reduce the number of errors in the use of the grammatical category of aspect by three times for each specific Chinese student who took part in the research. The scientific novelty of the study lies in developing the system of lessons to overcome linguistic difficulties in the use of the category of aspect by Chinese students in the framework of teaching Russian as a foreign language. As a result, the teaching system is presented that may be useful for teachers of Russian as a foreign language, methodologists, and linguists interested in studying language transfer, aspect in Russian and Chinese.

Quality and Safety Standards in Health Services: Development and Implementation

Aim. This research work aims to identify the characteristic features of the development and implementation of quality standards for patient monitoring and safety services in medical institutions, in order to improve quality based on the developed digital model, and describe the requirements for the implementation of quality control according to ISO 9001:2015 and ISO 15189:2022 Standards. Methods. The work uses a digital model of the Traumatology Center, built using the AnyLogic programming environment. This model is designed to identify and analyze effective solutions for implementation, such as patient registration processes, staffing, scheduling of specialized departments, identification of clinical characteristics and early symptoms of diseases to prevent complications during the incubation period. Results. It was discovered that modern wireless technologies and data analytics can be used to develop a remote health monitoring system, enabling early detection of chronic diseases to prevent complications. The scientific novelty of the study consists in the development of a sequence for the implementation of documentation on standardization and quality of service in medical institutions to prevent harm to patients, and improve their safety with the help of a complex of measuring devices and technologies. of the information.

АНАЛІЗ РОЗВИТКУ РЕАКЦІЇ ОКИСЛЕННЯ ВУГЛЕЦЮ НИЗЬКОВУГЛЕЦЕВОЇ СТАЛІ В КОВШІ ПІД ВАКУУМОМ

The object of research is the process of vacuuming steel in a ladle. The purpose of the study is to determine the degree of approach of degassing reactions to equilibrium and removal rates by articles. Research methods - theoretical studies are based on the basic provisions of physical chemistry and the theory of metallurgical processes, thermodynamic calculations of the non-equilibrium reactions of degassing. Scientific novelty - in vacuum degassing processes, the approximation of the corresponding reactions to equilibrium plays a significant role, in industrial vacuum installations, the equilibrium between carbon and oxygen dissolved in steel is not achieved due to ex-tremely small concentrations of interacting substances, the speed of the chemical reaction decreases so much that it does not allow for processing time to even approach the state of thermodynamic equilibrium. Practical significance - to ensure a high degree of implementation of the deoxidizing ability of carbon in vacuum conditions, it is neces-sary to: apply the main lining of steel pouring ladles; maintain a high basicity of slag and a minimum content of iron oxides in it; mix the melt in the ladle with an inert gas to facilitate the conditions for the nucleation of carbon oxidation reaction products.

Biocontrol of common scab in potato cultivation

Biocontrol of common scab in potato cultivation

Factors of competitiveness of Russian grain on the world market and prospects for the development of grain farming in the context of increasing export potential

Factors of competitiveness of Russian grain on the world market and prospects for the development of grain farming in the context of increasing export potential