201 research outputs found

    Authentic Films as a Tool for the Development of Sociocultural Competence

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    The article is devoted to the problem of foreign language teaching with the help of authentic films and TV series. Some effective ways of using such tools are discussed in the article

    Authentic Films as a Tool for the Development of Sociocultural Competence

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    The article is devoted to the problem of foreign language teaching with the help of authentic films and TV series. Some effective ways of using such tools are discussed in the article

    Interatomic coulombic decay rate in endohedral complexes

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    Interatomic coulombic decay (ICD) in van der Waals endohedral complexes was predicted to be anomalously fast. However, the available theoretical calculations of the ICD rates in endohedral complexes only consider the equilibrium geometry, in which the encapsulated atom is located at the centre of the fullerene cage. Here we show analytically that the dominant contribution of the dipole plasmon resonance to ICD does not deviate from its equilibrium geometry value, while contributions of higher multipole plasmons to the ICD can be neglected for most atomic displacements possible for an endohedral complex at room temperature. This is in contrast to the behaviour predicted for ionic endohedral compounds. Our results show that the conclusion of the earlier works on the ultrafast character of the ICD in endohedral complexes holds generally for a wide range of geometries possible under a thermal distribution, rather than only for the equilibrium geometry

    Evolution of forest pedogenesis in the south of the forest-steppe of the Central Russian Upland in the Late Holocene

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    The Late Holocene stage of forest pedogenesis has been studied on the interfluves along river valleys in the forest-steppe zone of the Central Russian Upland. The development of gray forest soils from the former chernozems as a result of the Late Holocene advance of forest vegetation over steppes is discusse

    INDIVIDUAL APPROACHES TO THE CHOICE OF CHEMOTHERAPY REGIMENS FOR RESPIRATORY TUBERCULOSIS IN CHILDREN EXPOSED TO MULTIPLE DRUG RESISTANT TUBERCULOUS INFECTION

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    Goal of the study: to develop individual approaches to the choice of chemotherapy regimens for respiratory tuberculosis in children exposed to multiple drug resistant tuberculous infection. Materials and methods. Totally 39 children (3-12 years old) with tuberculosis of chest lymph nodes or pulmonary tuberculosis. Patients were divided into 3 groups: Group 1 (9 persons) with minimal changes – 3 drugs (ZPASPtо), Group 2 (15 persons) with limited lesions – 4 drugs (ZPtоPASE), Group 3 (15 persons) with disseminated lesions – 5 drugs (ZPASPtоAmFq). Duration of chemotherapy: Group 1 – 9.4 ± 0.7 months; Group 2 – 9.0 ± 1.1 months (administration of 4 drugs during the whole treatment course) and 10.5 ± 0.9 months, (transfer after the intensive phase (3.1 ± 0.7 months) to 3 drugs), Group 3 – 13.4 ± 0.7 months. (Transfer after the intensive phase (4.0 ± 0.4 months) to 4 drugs).Results. Chemotherapy course was assessed assuccessful in all groups. Individual approaches to the choice of chemotherapy regimens oftuberculosis in children exposed to multiple drug resistant tuberculous infection should consider not only the data on drug susceptibility of the infection source but also the dissemination of tuberculous lesions in the child

    Effect of biochar on soil co2 fluxes from agricultural field experiments in russian far east

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    Agricultural soils are a major source of greenhouse gases. Biochar is a soil improver and, when applied to the soil, sequesters carbon. However, a different combination of soil and climatic conditions and biochar leads to different research results. In this research, the effects of 1 kg/m2 and 3 kg/m2 biochar application to clay soils on the CO2 flow in field experiments along two cropping seasons in the Russian Far East were investigated. Data showed that biochar significantly reduces the cumulative flow of soil CO2, compared with untreated field plots. In 2018, the greatest reduction in soil CO2 emissions (28.2%) with 3 kg/m2 of biochar was obtained, while in 2019, the greatest decrease in the cumulative CO2 flow at the application dose of 1 kg/m2 (57.7%) was recorded. A correlation between a decrease in the value of the cumulative CO2 flux and an increase in the biomass grown in the studied areas of agricultural crops during the season of 2018 was found

    Development of Education Districts in the Strategy of Strengthening the Axiological Foundations of the Russian Education Space

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    The article presents an analysis of the specific features of the socio-cultural modernization of education in contemporary Russia and the methodology of the development of the ethno-regional education systems against the background of strengthening the unified education space of Russia. Special attention is paid to the consideration of the strategy of the development of education districts of contemporary Russia as the foundation for building the government vertical of state management in the field of education.As part of the development of organizational and pedagogical resources of risk management of the gap between the scientific and education space of the country, the authors have worked out the idea of setting up scientific and education complexes and developing education districts in the country. This approach meets the objective of improving the quality of higher education in the regions of the country by establishing clear links with regional universities in the most “advanced” areas, organizing scientific and educational activities.Creating education districts serves as the foundation of building up a multicultural education space of the Russian Federation, the resource of lining up control at the federal and regional levels, the formation of a new vector of education policy focused on the preservation and development of a unified, internally differentiated scientific and education space of the country

    Критерии клинического диагноза и эффективности биологической терапии при вирусном гепатите А

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    The clinical trial of 60 patients (mean age (28.5 ± 0.9) years) with moderate severity hepatitis A (VHA) has been performed. The diagnosis in all patients was verified by detection of IgM to VHA by ELISA. In the course of the disease clinical symptoms and functional status of the liver were evaluated. We determined the activity of alanine transaminase, aspartate transaminase, gammaglutamyl transferase, alkaline phosphatase, and the content of bilirubin. Malondialdehyde (MDA) level in blood serum was determined as a laboratory indicator of endogenous intoxication. Main group consisted of 30 patients treated with antigomotoxic therapy, whereas in the control group (30 patients) the common therapy was carried out. A faster elimination of clinical and biochemical manifestations of the acute phase of VHA was established in the main group compared with the patients of the control group. In contrast to the latter, the average MDA in the main group patients 3 and 6 months after treatment did not differ significantly from the normal values.Проведено исследование 60 больных (средний возраст (28,5 ± 0,9) года) вирусным гепатитом А (ВГА) средней степени тяжести. Диагноз у всех пациентов был верифицирован выявлением IgM к ВГА методом иммуноферментного анализа. В динамике заболевания оценивали клинические симптомы и определяли биохимические показатели функционального состояния печени: уровни аланинаминотрансферазы, аспартатаминотрансферазы, билирубина, гамма-глютамилтрансферазы, щелочной фосфатазы. В качестве лабораторного показателя эндогенной интоксикации определяли уровень малонового диальдегида (МДА) сыворотки крови. Основную группу исследования составили 30 больных, получавших антигомотоксическую терапию; у 30 больных контрольной группы проводилась общепринятая при ВГА патогенетическая терапия. Установлено более быстрое купирование клинических симптомов острой фазы ВГА и нормализация биохимических показателей в основной группе по сравнению с пациентами контрольной группы. В основной группе пациентов в отличие от контрольной группы спустя 3 и 6 мес после окончания терапии средний показатель МДА достоверно не отличался от нормы

    Do Fleas Affect Energy Expenditure of Their Free-Living Hosts?

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    Parasites can cause energetically costly behavioural and immunological responses which potentially can reduce host fitness. However, although most laboratory studies indicate that the metabolic rate of the host increases with parasite infestation, this has never been shown in free-living host populations. In fact, studies thus far have shown no effect of parasitism on field metabolic rate (FMR).We tested the effect of parasites on the energy expenditure of a host by measuring FMR using doubly-labelled water in free-living Baluchistan gerbils (Gerbillus nanus) infested by naturally occurring fleas during winter, spring and summer. We showed for the first time that FMR of free-living G. nanus was significantly and positively correlated with parasite load in spring when parasite load was highest; this relationship approached significance in summer when parasite load was lowest but was insignificant in winter. Among seasons, winter FMRs were highest and summer FMRs were lowest in G. nanus.The lack of parasite effect on FMR in winter could be related to the fact that FMR rates were highest among seasons. In this season, thermoregulatory costs are high which may indicate that less energy could be allocated to defend against parasites or to compensate for other costly activities. The question about the cost of parasitism in nature is now one of the major themes in ecological physiology. Our study supports the hypothesis that parasites can elevate FMR of their hosts, at least under certain conditions. However, the effect is complex and factors such as season and parasite load are involved
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