(1) The war in Ukraine has changed the normal life of every Ukrainian, including educators. For the fourth month, the educational process has been taking place under martial law. Thus, the task of every pedagogue and every university teacher is to start the educational process not only for the sake of knowledge, because you cannot deprive children of education, but also for the sake of psychological rehabilitation. The war has given an impetus to the radical renewal of education, particularly higher education, which determines the relevance of this study. (2) It is common knowledge that the professional pedagogical activity of a university teacher is of great significance to society. It is about the formation of a future specialist, whose level of qualification considerably affects the economic, political, social, and cultural component of the sustainable development of society, something which is especially relevant in the post-war period. (3) The research hypothesis is that renewing the potential of university teachers in the post-war period will allow the improvement of the educational process in universities, will significantly increase the level of professional training of students and will ensure the sustainable development of society. To examine this hypothesis, the professional and personal potential of teachers was studied in detail with the aim of understanding radical changes in approaches to methods, techniques, and forms of education, as well as the type and style of communication between teachers and students. (4) The research methodology comprised a survey conducted by the CAWI method using a structured questionnaire based on the respondents’ place of permanent residence. The sample totality was stratified according to the regions of Ukraine where the teachers work. Teachers of Ukrainian higher education institutions took part in the study. The study sample included 350 people. The main task of the study was to analyze the potential of university teachers in the pre-war and post-war periods. The other tasks the study undertakes are to propose the concept of professional unity of students and teachers of higher educational institutions and to consider reflection as a tool; a tool which is a cross-sectional, integrating factor that structures the education system in various types of professional activity. (5) The undoubted achievement of the work is that, for the first time, the state of higher education was analyzed under war conditions and its development in the post-war period was predicted. This will aid the country’s recovery and ensure the sustainable development of society in the post-war period. This study can complement and enhance the theoretical discussion and practical experience on sustainable development from the perspective of higher education.
A rheological model of stress relaxation in a thin lubricant film, which is formed on the friction surface under the influence of the force field of the friction surface in the presence of fullerene compositions in lubricants, was developed. Analysis of the model made it possible to establish that the existence of elastic or viscous properties in surface structures depends on the ratio of two parameters. This is the time of stress relaxation in the structure on spots of actual contact and the duration of stress action on these spots, which is termed the lifetime of an actual contact spot. It was shown that an increase in the sliding rate reduces the time of relaxation of stresses in the surface structure. This is due to the destruction of aggregates in the structure of gel and the appearance of rotational movements of separate units ‒ flocs. An increase in the load on the tribosystem significantly increases the value of relaxation time. This is due to squeezing the viscous component out of the structure of a surface film. It was established that if the relaxation time exceeds the duration of actions of stresses on actual contact spots, the structure of a surface film behaves like an elastic solid. Conversely, if relaxation time becomes shorter than the duration of stress action, the film behaves like a viscous medium. Theoretically, it was shown that in the range of sliding and loading rates, when a film behaves like an elastic solid, a decrease in stresses on actual contact spots does not exceed the values of 1.1‒22.8 %. This property provides the bearing capacity of a film. The development of the model will make it possible to simulate elastic and viscous properties of "stitched" structures and substantiate the rational concentrations of additives to lubricants, as well as the ranges of their use.
The ecological and economic foundations of rational nature management in restoring various kinds of protective forest stands under conditions of severe damage and destruction of wood-shrubby species in the natural-climatic and economic zones of the country were developed. It was determined that using traditional methods of restoration of protective forest plantations in many cases is no longer acceptable due to different levels of damage and substantial changes to economic entities on Earth. However, the main methodological approaches remain. A new methodological approach to restoring forests on the basis of constant adaptation of the existing methodologies for the design and calculation of economic efficiency of new plantings and new ecological-economic conditions and peculiarities has been developed. Certainly ,numerousincorrectly planned forest stands have been created that do not sufficiently fulfill their ecological and economic functions and do not even have a general system of protection of the soil from negative factors. For effective regeneration of plants we have developed a formula for calculating the erosion stability of forest-agrarian landscapes for their optimal recovery through forest shelterbelts. We have developed new features of design and calculation of ecological and economic efficiency of newly created forest ameliorative spaces with new natural-economic conditions for their sustainable regeneration under modern conditions. The transition to environmentally sustainable agriculture of European standards requires fundamentally new solutions to the problem of using forest stands as an organizational component of ameliorative complexes in the context of soil erosion control measures. Soil erosion is one of the main factors of anthropogenic impact on land resources. Intensification of erosion processes leads to substantial degradation of soils, causing great losses to agriculture and generally endangers the safe development of mankind. As long as the process of degradation of the soil continues , the agroecological condition deteriorates and the increased application of mineral and organic fertilizers fails to improve the crop volume , insofar as the crop yield is formed mainly due to the natural soil fertility. In the process of research, we discovered that the expansion of the front intake surface runoff in forestry plantings allows one to increase their effective water-regulative functions. Such an event has a certain practical value, because a large proportion of forest shelterbelts even in satisfactory condition only perform their functionsat 20-30%. Taking into account the indicators of ameliorative-hydrological stress and counter-erosion stability of landscapes in locations of planted forest stands proved to be the most effective method of strengthening the initial contact with runoff ("active") plots .This provides is a unique chance to optimize the ecological economic system of protective forest plantations , especially in newly formed agricultural enterprises under new economic conditions.
No abstract
МакроеконоМіка:розвиток продуктивних сил і регіональна еконоМіка 26Технологічний аудиТ Та резерви виробницТва -№ 3/5(35), 2017, © Suska A.
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