Formation of the professional communication development strategy for the pedagogical staff

The article describes the internal and external professional communication of pedagogical personnel. The problem situation of professional interaction in education is shown, the urgency of constructing the teacher’s professional communication strategy is grounded. Based on the definition of the component composition of professional communication, the author’s strategy for its development is builtПриводится характеристика внутренней и внешней профессиональной коммуникации педагогических кадров. Показана проблемная ситуация профессионального взаимодействия в образовании, обоснована актуальность построения стратегии профессиональной коммуникации педагога. На основе определения компонентного состава профессиональной коммуникации построена авторская стратегия ее развити

Chicken manure as an organic fertilizer: composting technologies and impact on soil properties (a review)

Chicken manure and composts derived from it are valuable organic fertilizers that have a positive impact on soil fertility and significantly enhance crop yields. However, the application of fresh manure can lead to excessive concentrations of nitrogen and other nutrients in the soil, as well as contamination of the soil with microorganisms that are pathogenic to humans and animals. Therefore, it is recommended to compost chicken manure prior to its use in agriculture. This review examines the composition and properties of chicken manure, the techniques involved in its composting, and its influence on the physical, chemical, and biological properties of the soil. The utilization of composted manure results in increased levels of organic carbon (on average by 1–1.5%), nitrogen (by 0.1–0.2%), and other biophilic elements. Moreover, it improves various physical properties of the soil, such as porosity, aeration, and density. Levels of pH increase (by 0.2–0.4), as well as electrical conductivity (by 2–2.5 times), and the quantity of water-resistant aggregates (by 5–10%). The application of these fertilizers also promotes biological activity, microbial diversity, microbial biomass carbon (by 25–75%), and soil enzymatic activity (phosphatase and catalase increase by 5–7 times, and urease by 3–5 times). When chicken manure is incorporated into the soil, a significant (2–4 times) increase in the population of bacteria from the phyla Firmicutes, Bacteroidetes, and Actinobacteria is observed. The necessity of investigating the effects of compost derived from chicken manure on the chemical composition and storage of soil organic matter, pore space, and the ecotrophic structure of the soil microbiome is also discussed

Development of Group Subjectivity of Pupils within Collaborative Activities

The article is devoted to the development of group subjectivity in collaborative activities. The concept of "subjectivity" and types of subjectivity are given. The results of experimental study of potential, real, and reflective subjectivity are described. The authors conclude that the development of group subjectivity will contribute to communication and relationships of members of pupils’ groups which are revealed in collaborative activities. When the members of the group participate in the preparation and conducting of collaborative activities actively, they are ready for any difficulties and their overcoming. Success or failure of teammates causes sincere participation of other members of the group (approval, support). They show mutual responsibility for individual and/or group success and failures in the group

Comparative evaluation of the influence of no-till and traditional treatment on the biological activity of agricultural chernozem of the Stavropol region

Using the method of inoculation on elective nutrient media, the abundance and activity of taxonomic (bacteria, actinomycetes, micromycetes) and functional (nitrogen fixers, ammonifiers, denitrifiers of amylolytic, cellulolytic) groups of microorganisms in agrochernozems of the Stavropol region under the influence of various tillage systems – direct seeding (no-till) and moldboard plowing with the turnover of soil horizon (traditional treatment). Analyzes were carried out for such crops as winter wheat, corn, sunflower and soybean with/without application of mineral fertilizers. Traditional tillage for the majority of crops leads to increased activity of aerobic ammonifiers, cellulolytics, denitrifiers, actinomycetes and micromycetes. No-till technology, in its turn, increases the intensity of anaerobic cellulolytics and nitrogen fixers, aerobic diazotrophs and amylolytics activity. The most responsive crop, under which the biological activity of almost all groups of microorganisms increased in the no-till variant, was corn, while winter wheat contributed to the increase in the number of microorganisms in the moldboard plowing variant. The use of mineral fertilizers provoked the growth of soil biological activity under sunflower sown directly in the soil, while conventional tillage resulted in higher soil biological activity without application of mineral fertilizers

Криомассаж грудной клетки и сильвинитовая спелеотерапия в комплексной медицинской реабилитации больных бронхиальной астмой

Summary. The study was conducted to evaluate therapeutic and preventive effect of chest cryomassage and sylvinite speleotherapy in addition to the standard drug therapy in patients with mild to moderate persistent partially controlled bronchial asthma. Effects of a comprehensive rehabilitation programme were confirmed by a distinct reduction in eosinophilic and neutrophilic inflammation, significant improvements in systemic immunity, lung function, cardiorespitatory hemodynamics, exercise tolerance, and psychological adaptation.Резюме. Изучено лечебно-профилактическое действие криомассажа грудной клетки и сильвинитовой спелеотерапии на фоне стандартного медикаментозного лечения у больных легкой и среднетяжелой персистирующей бронхиальной астмой с частично контролируемым течением. Отчетливый регресс эозинофильного и нейтрофильного воспаления, выраженное улучшение показателей системного иммунитета, внешнего дыхания, легочной кардиогемодинамики, физической толерантности, психологической адаптации позволил констатировать преимущество комплексного применения реабилитационных методов

Study of the epidermis ablation effect on the efficiency of optical clearing of skin in vivo

We present the results of a comparative analysis of optical immersion clearing of skin in laboratory animals in vivo with and without preliminary ablation of epidermis. Laser ablation is implemented using a setup based on a pulsed erbium laser (λ = 2940 nm). The size of the damaged region amounted to 6 × 6 mm, the depth being smaller than 50 μm. As an optical clearing agent (OCA), use is made of polyethylene glycol (PEG-300). Based on optical coherence tomography, we use the single scattering model to estimate the scattering coefficient in the process of optical clearing in 2 regions at depths of 50−170 μm and 150−400 μm. The results show that skin surface ablation leads to the local oedema of the affected region that increases the scattering coefficient. However, the intense evaporation of water from the ablation zone facilitates the optical clearing at the expense of tissue dehydration, particularly in the upper layers. The assessment of the optical clearing efficiency shows that the efficiency exceeding 30% can be achieved at a depth from 50 to 170 μm in 120 min after ablation, as well as after the same ablation with subsequent application of PEG-300, which increases the efficiency of the immersion method by almost 1.8 times. At a depth from 150 to 400 μm, dehydration of upper layers cannot completely compensate for an increase in light scattering by dermis after epidermis ablation. The additional effect of OCA enhances the optical clearing of skin at the expense of improving the refractive index matching between dermis components, but the maximal efficiency of optical clearing in 120 min does not exceed 6%

Study of the epidermis ablation effect on the efficiency of optical clearing of skin in vivo

We present the results of a comparative analysis of optical immersion clearing of skin in laboratory animals in vivo with and without preliminary ablation of epidermis. Laser ablation is implemented using a setup based on a pulsed erbium laser (λ = 2940 nm). The size of the damaged region amounted to 6 × 6 mm, the depth being smaller than 50 μm. As an optical clearing agent (OCA), use is made of polyethylene glycol (PEG-300). Based on optical coherence tomography, we use the single scattering model to estimate the scattering coefficient in the process of optical clearing in 2 regions at depths of 50−170 μm and 150−400 μm. The results show that skin surface ablation leads to the local oedema of the affected region that increases the scattering coefficient. However, the intense evaporation of water from the ablation zone facilitates the optical clearing at the expense of tissue dehydration, particularly in the upper layers. The assessment of the optical clearing efficiency shows that the efficiency exceeding 30% can be achieved at a depth from 50 to 170 μm in 120 min after ablation, as well as after the same ablation with subsequent application of PEG-300, which increases the efficiency of the immersion method by almost 1.8 times. At a depth from 150 to 400 μm, dehydration of upper layers cannot completely compensate for an increase in light scattering by dermis after epidermis ablation. The additional effect of OCA enhances the optical clearing of skin at the expense of improving the refractive index matching between dermis components, but the maximal efficiency of optical clearing in 120 min does not exceed 6%