Establishment of educational electronic publications as one of the strategic directions of improving the quality of training graduates

Качество обучения зависит от совершенства учебного материала, формы его представления и организации учебного процесса. В традиционной схеме обучения возникает множество проблем, связанных с постоянно возрастающим потоком информации, усложнением знаний, отсутствием иллюстрационного материала. Внедрение компьютера в учебный процесс дает возможность создать богатый справочный и иллюстративный материал в самом разнообразном виде.The quality of training depends on the excellence of educational material, its presentation and organization of educational process. In the traditional scheme of education face many challenges with a constantly increasing flow of information, complexity of knowledge, lack of illustrative material. The introduction of the computer in the learning process makes it possible to create a rich background and illustrative material in the most diverse form

The influence of strontium and cobalt content on crystal structure and properties of Nd1-xSrxFe1-yCoyO3- oxides

In the present work the homogeneity range, crystal structure, oxygen nonstoichiometry, thermal properties and electrical conductivity of partially substitutedNd1-xSrxFe1-yCoyO3-δ oxides versus temperature, strontium and cobalt content was studied

Degradation of structure and properties of rail surface layer at long-term operation

The microstructure evolution and properties variation of the surface layer of rail steel after passed 500 and 1000 million tons of gross weight (MTGW) have been investigated. The wear rate increases to 3 and 3.4 times after passed 500 and 1000 MTGW, respectively. The corresponding friction coefficient decreases by 1.4 and 1.1 times. The cementite plates were destroyed and formed the cementite particles of around 10-50 nm in size after passed 500 MTGW. The early stage dynamical recrystallization was observed after passed 1000 MTGW. The mechanisms for these have been suggested. The large number of bend extinction contours is revealed in the surface layer. The internal stress field is evaluated

Water uptake and transport properties of La1-xCaxScO3-α proton-conducting oxides

In this study, oxide materials La1-xCaxScO3-α (x = 0.03, 0.05 and 0.10) were synthesized by the citric-nitrate combustion method. Single-phase solid solutions were obtained in the case of calcium content x=0.03 and 0.05,whereas a calcium-enriched impurity phasewas found at x=0.10. Water uptake and release were studied by means of thermogravimetric analysis, thermodesorption spectroscopy and dilatometry. It was shown that lower calcium content in the main phase leads to a decrease in the water uptake. Conductivity wasmeasured by four-probe direct current (DC) and two-probe ascension current (AC)methods at different temperatures, pO2 and pH2O. The effects of phase composition,microstructure and defect structure on electrical conductivity, as well as correlation between conductivity and water uptake experiments, were discussed. The contribution of ionic conductivity of La1-xCaxScO3-α rises with decreasing temperature and increasing humidity. The domination of proton conductivity at temperatures below 500 °C under oxidizing and reducing atmospheres is exhibited. Water uptake and release as well as transport properties of La1-xCaxScO3-α are compared with the properties of similar proton electrolytes, La1-xSrxScO3-α, and the possible reasons for their differences were discussed. © 2019 by the authors.Russian Science Foundation, RSF: 16-13-00053Government Council on Grants, Russian FederationMinistry of Education and Science of the Republic of KazakhstanFunding: The research was partially supported by the Russian Science Foundation (Grant №16-13-00053) and the Ministry of Education and Science of the Republic of Kazakhstan (Project No. AP05130148). The education activity of Ph.D. and students involved into this work is supported by Act 211 of Government of the Russian Federation, agreement No. 02.A03.21.0006

Le pluralisme politique à l’épreuve de la vie privée : entre normes et pratiques

L’espace des relations interpersonnelles et privées, en tant qu’espace de politisation et d’expression des choix politiques, est peu connu. C’est à une meilleure connaissance du « citoyen privé » et de la « politisation intime » que cet article veut contribuer, en étudiant les ressemblances et les divergences idéologiques au sein du cercle des proches. Présentant les résultats d’une enquête quantitative et représentative de la population française inédite, « Famille, amour et politique », réalisée par le CEVIPOF, il examine la filiation, la conjugalité, et l’amitié et montre les interactions et les transactions qui opèrent entre le système des normes et le système des affects des individus. La famille apparaît plus hétérogame politiquement tandis que le couple et le cercle des amis sont plus homogames. Toutefois, c’est le niveau de politisation des individus qui est en dernière instance le plus déterminant. Une affiliation politique affirmée, et tout particulièrement à gauche, ainsi qu’un intérêt marqué pour la politique, renforcent toujours l’homogamie politique au sein du cercle des proches, dans les principes comme dans les faits. Plus largement, l’article ouvre une réflexion sur l’espace de la vie privée en tant que terrain d’expérience des conditions de la pluralité démocratique.Little is known of the role played by private interpersonal relationships in politicization and the expression of political choices. This article aims to improve our understanding of “private citizens” and “personal politicization” through a study of ideological similarities and divergences within family and friendship circles. The analysis, based on findings from an unprecedented quantitative representative French population survey by the CEVIPOF (Center for the study of French political life) entitled “Famille, amour et politique” [Family, love and politics], examines filiation, conjugality and friendship, showing the interactions and transactions that take place between the system of norms and the system of individual feelings. Families appear more heterogamous politically, while couples and friendship circles are more homogamous. However, individuals’ level of politicization is ultimately the most determinant factor. Having a strong political affiliation, particularly on the left of the political spectrum, and a strong interest in politics always strengthens intra-circle political homogamy in terms of both principles and actions. At a more general level, the article reflects on the sphere of private life as a field for the development of conditions of democratic pluralism

Some New Reactions and Properties of Xanthane Hydride (5-Amino-1,2,4-dithiazole-3-thione)

Aminomethylation of xanthane hydride (5-amino-1,2,4-dithiazole-3-thione) with the RNH2–HCHO system has resulted in the formation of the derivatives of new heterocyclic system (3,7-dihydro-5H-[1,2,4]-dithiazolo[4,3-a][1,3,5]triazine) in low yields. The reaction of xanthane hydride with dicyandiamide has led to thioammeline [4,6-diamino-1,3,5-triazine-2(5Н)-thione]. Some practically important properties of xanthane hydride and its derivatives have been investigated. Xanthane hydride has efficiently exhibited carbon steel corrosion in neutral aqueous media. The prepared compounds have not exhibited growth-regulating or antidote activity to herbicide 2,4-D

Parameters of blood pressure during stress test in young elite athletes

It is known that in children at rest, BP values depend on height, but this aspect is not taken into account when analyzing the maximum BP during exercise.Objective: to determine the maximum value of BP in young elite athletes, depending on height and gender.Materials and methods: 2313 (age 15.5 ± 1.4 years, 45% of young men) young elite athletes, members of national teams of the Russian Federation in 40 sports, were examined. All subjects underwent bicycle ergometry according to the PWC170 protocol, blood pressure was measured manually at each stage of the load, and its maximum values were determined during the entire test.Results: The maximum BP values in boys were higher than in girls: systolic blood pressure (SBP) 195 ± 25 vs 175 ± 20 mmHg, p < 0.001, diastolic blood pressure (DBP) 80 ± 11 vs 80 ± 10 mm Hg, p < 0.05. A relationship was found between the maximum value of blood pressure on load and growth (r = 0.55; p < 0.001). Normative tables are proposed for assessing the maximum values of SBP and load, depending on growth.Conclusion: In young elite athletes, the maximum BP value during VEM according to the PWC170 protocol depends not only on gender, but also on height. The maximum values of SBP during exercise in tall young elite athletes can reach 250 mm Hg in boys and 210 mm Hg in girls

Туберкулезная вакцина БЦЖ: иммунологическая и клиническая эффективность у детей, рожденных от женщин с ВИЧ-инфекцией

The article analyses the efficacy of vaccination and its influence on the nature of tuberculosis process in children perinatally exposed to  HIV. The study analysed hospital records, hospital discharge  summaries and outpatient medical records of children under 14 with  tuberculosis: there were 109 HIV-infected children and 97 children  perinatally exposed to HIV (but not HIV-infected). The postvaccinal  immunity status was assessed by the presence and size of the  vaccination scar and the response to the Mantoux test. The clinical  efficacy of the BCG vaccination was assessed by the severity of  tuberculosis in vaccinated and non-vaccinated children. It was shown that immunization with BCG vaccine (BCG-M) was safe and  efficacious in children born to HIV-infected women but not infected  with HIV. At the same time the vaccine did not demonstrate  sufficient immunological and clinical efficacy in HIV-infected children: the response to the Mantoux test, 2 TU, was positive only in one  third of all vaccinated children; there was no statistically significant  difference in the frequency of disseminated processes in vaccinated children as compared to the non-vaccinated children  perinatally exposed to HIV. A conclusion was made that children born to HIV-infected mothers but not infected with HIV must be  vaccinated during the neonatal period. The vaccination of HIV- infected children is not advisable due to its low clinical efficacy and  the risk of development of disseminated complications, for instance,  the generalized BCG infection in HIV-infected children may develop over a period of 3 years after vaccination.В статье приведен анализ результативности вакцинации и ее влияния на характер туберкулезного процесса у детей с перинатальным контактом по ВИЧ. В качестве объекта  исследования использовали истории болезни стационарных больных, выписки из историй  болезни и амбулаторных карт больных туберкулезом детей до 14 лет: детей с ВИЧ- инфекцией было 109 пациентов, детей из перинатального контакта по ВИЧ-инфекции  (экспонированные по ВИЧ, но не заразившиеся ВИЧ) — 97. Состояние поствакцинального  иммунитета оценивали по наличию и размерам поствакцинального рубчика и ответной  реакции на пробу Манту. Клиническую эффективность вакцинации БЦЖ оценивали по  тяжести туберкулезного процесса у вакцинированных и невакцинированных детей.  Установлено, что иммунизация детей вакциной туберкулезной БЦЖ (БЦЖ-М) является  безопасной и эффективной у детей, рожденных от женщин с ВИЧ- инфекцией, но  неинфицированных ВИЧ. У детей с ВИЧ-инфекцией вакцинация туберкулезной вакциной не  обладает достаточной иммунологической и клинической эффективностью: реакция на пробу Манту с 2 ТЕ была положительной лишь у трети привитых; доля диссеминированных  процессов среди вакцинированных пациентов по сравнению с группой невакцинированных  детей, экспонированных по ВИЧ, достоверно не различалась. Сделан вывод, что  вакцинацию детей, рожденных ВИЧ-инфицированными матерями, но не зараженных ВИЧ,  необходимо проводить в период новорожденности. Вакцинация ВИЧ-инфицированных детей не является целесообразной, поскольку при ее малой клинической эффективности  существует риск развития диссеминированных форм осложнений, в частности  генерализованная БЦЖ-инфекция у детей, зараженных ВИЧ, может развиваться в течение 3 лет с момента вакцинации