Despite the presence of stable demand for food and other agricultural resources, the trend of reducing the number of workers in agriculture in almost all countries of the world in the coming years will continue. This reduction should be partially compensated by the growth of labor productivity and the strengthening of the technical equipment of the industry, innovations and improvements in the applied methods, tools and production technologies. On the other hand, the reduction in the number of personnel in working professions must be compensated for by increasing their professionalism and compliance with professional standards. In these conditions, the requirements for professional competence of workers in working professions in the implementation of production processes for the cultivation, harvesting and post-harvest processing of crop products, maintenance and care of farm animals and poultry, land reclamation and other work should be carried out in strict accordance with the organizational and economic principles of agricultural production. In order to identify factors affecting the turnover of workers in agricultural occupations, we conducted a special correlation and regression analysis, which allowed us to establish that the main ones are: labor remuneration; the number of hospital beds per 10,000 people in rural areas; the proportion of women in the staff of the working professions of agricultural organizations; the level of profitability of agricultural enterprises; the proportion of personnel working professions of agricultural organizations under the age of 30 years; the size of the energy capacity per 100 hectares of sown area of agricultural organizations.
The best solution for the development of chemical and technical processes is possible if there is reliable information on the physicochemical and thermodynamic properties of chemical compounds only. An urgent task is the development of universal theoretical methods for calculating and predicting the properties of chemical compounds, which make it possible to independently assess the energy content of a substance, identify incorrect data and, ultimately, reliably determine the thermal effects of chemical reactions, which is important for the development of technological regulations and conscious control of chemical processes. The work is devoted to the description of the mathematical apparatus for constructing the basis of homodesmic reactions on the example of cyclic compounds.
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