Application of a second order accurate finite-difference method to problems of diffraction of elastic waves by gradient layers

© Published under licence by IOP Publishing Ltd.A generalized statement is formulated for the boundary-value problem describing diffraction of elastic waves by gradient isotropic and transversely isotropic layers. Numerical experiments are conducted for various types of materials filling the layer. A conclusion is drawn that the obtained finite-difference scheme is second-order accurate, when distributions of elastic parameters in the layer are described by smooth curves

Second-Order Accurate Finite-Difference Scheme for Solving the Problem of Elastic Wave Diffraction by the Anisotropic Gradient Layer

© 2018, Pleiades Publishing, Ltd. The boundary value problem for the Lame equations for the problem of elastic wave diffraction by an anisotropic layer with continuously varying elastic parameters is considered. The original problem is reduced to the boundary value problem for a system of ordinary differential equations of the given form. The finite-difference scheme is obtained by the method of approximation of integral identities. The theorem is proved that the error of approximation of the solution has a second order of accuracy for sufficiently continuous values of the elements of the elasticity tensor. Numerical results confirming theoretical conclusions are given

Approximation error of one finite-difference scheme for the problem of diffraction by a gradient layer

© 2017 Pushpa Publishing House, Allahabad, India.The finite-difference scheme, constructed by the method of approximating an integral identity, is considered for a boundary value problem involving the one-dimensional Lame equations, which describe the problem of diffraction by gradient isotropic and transversal-isotropic layers. We prove that the finite-difference scheme is second-order accurate and can be recommended for use in solving the Lame equations with continuous coefficients

Situational analysis of socio-cultural interaction of states under conditions of globalization

The present article considers the possibilities of the paradigm of socio-cultural interaction when analyzing international relations. Traditional activity approaches in explaining this interaction are critically assessed, and the main situations of interstate interactions that have a socio-cultural importance are analyzed. The offered problematisation when studying global strategies of interstate relations in terms of socio-cultural interaction makes it possible to consider desirable strategies and scenarios for improving intercultural communication and international cooperation. Possible prospects on changing the basic benchmarks of the globalization processes based on socio-cultural interaction for its further humanization are outlined. The revealed mechanisms of the dynamics of socio-cultural interactions when moving from one situation of interaction to another, as well as the role of the cultural reality formed for this purpose and overcoming the one-sidedness of economism in international relations can provoke the researchers’ interest. The offered analysis of the situations of socio-cultural interaction enables the authors of the article to clarify some positive opportunities of the globalization in the overall civilization development and intercultural dialogue of all countries of the world community. The results given in the article in relation to studying the main reasons of the discrimination in interstate relations and offers on overcoming it by using the spiritual and moral potential of the world culture are also of great importance.peer-reviewe

Метод хранения цифровой информации на аналоговом носителе с использованием штрих-кодов

Статья посвящена микрофильмированию и COM-технологиям. В статье приведены основные параметры двумерных штрих-кодов. Разработана технология хранения цифровой информации в кодированном виде на микро фильме с использованием штрих-кодов.This article focuses on microfilming and COM- technologies. The paper presents the basic parameters of two-dimensional barcodes. The technology for storage of digital information in a coded form on microfilm using barcodes is developed

Testing Social Impact Projects in the Healthcare Sector to Improve Public Health and Quality of Life for Children

Considering the reduction in the child population, children’s health status is an urgent medical and social problem. According to experts from the World Health Organisation, the growing burden of obesity and other non-communicable diseases has become a new threat to children’s health. In most cases, obesity in children is due to manageable risk factors and is a preventable disease. Currently, there are no comprehensive long-term programmes aimed at preventing childhood obesity in Russia. In view of the absence of tariffs for the provision of preventive medical services in the framework of compulsory medical insurance, this medical care is not provided to children “free of charge” under the Program of State Guarantees of Free Medical Care to Citizens. In conditions of a shortage of financial resources, the state cannot fully fulfil the function of protecting the health of the child population. In such circumstances, the involvement of business in solving social issues is practiced in many countries. Social impact bonds are one of the financial instruments. Testing of programmes for the prevention of obesity in children in Sverdlovsk oblast can be implemented as part of a social impact project.В условиях сокращения численности детского населения состояние здоровья детей представляет собой актуальную медико-социальную проблему. По мнению экспертов Всемирной организации здравоохранения, новой угрозой здоровью детей стало растущее бремя ожирения и других неинфекционных заболеваний. В большинстве случаев ожирение у детей обусловлено управляемыми факторами риска и относится к числу предотвратимых заболеваний. В настоящее время в России отсутствуют комплексные долгосрочные программы, направленные на профилактику детского ожирения. Ввиду отсутствия тарифов на оказание профилактических медицинских услуг в рамках обязательного медицинского страхования данная медицинская помощь не оказывается детям «бесплатно» в рамках Программы государственных гарантий бесплатного оказания гражданам медицинской помощи. Складывается ситуация, когда в условиях дефицита финансовых средств государство не может полноценно выполнять функцию охраны здоровья детского населения. В таких условиях привлечение бизнеса к решению социальных вопросов практикуется во многих странах. Одним из финансовых инструментов являются облигации социального воздействия. Апробация программ профилактики ожирения у детей в Свердловской области может быть реализована в рамках проекта социального воздействия

Cultural Heritage: Ideas of Russian Cosmists

The article considers the evolutionary ideas of Russian cosmologists who make up the cultural and scientific heritage of Russia: the relationship of man and the Cosmos; man is part of the energy structure of the Cosmos; the influence of phenomena occurring in Space on all processes on Earth; the energy of thought; the continuity of life as a cosmic phenomenon.В статье рассмотрены эволюционные идеи русских ученых-космистов, составляющие культурное и научное наследие России: взаимосвязь человека и Космоса; человек – часть энергетической структуры Космоса; влияние происходящих в Космосе явлений на все процессы на Земле; энергия мысли; непрерывность жизни как космическое явление

Green Universities in the Context of Safety

В статье рассмотрена роль «Зеленого университета» в продвижении устойчивого развития, охраны окружающей среды и зеленой экономики на локальном и региональном уровне. Развитие современной образовательной среды, формирующей ценности экологической культуры и здорового образа жизни позволяет повысить уровень безопасности жизнедеятельности в университете.The article deals with the role of "Green University" in promoting sustainable development, environmental protection and green economy Wednesday at local and regional level. Development of modern education Wednesday, forming the value of ecological culture and healthy lifestyle allows you to increase the level of safety of human life at the University

NMR screening of potential inhibitors of methionine γ-lyase from Citrobacter freundii

© 2014, Pleiades Publishing, Inc. Methionine γ-lyase [EC 4.4.1.11] participates in methionine catabolism in a number of bacteria and protozoa eukaryotes, including pathogenic microorganisms. The lack of this enzyme in mammals allows us consider it to be a promising target for rational antibacterial drug design. Currently, in medical practice, there are no preparations based on the inhibition of methionine γ-lyase. We present the results of a search for potential inhibitors of this enzyme using NMR screening techniques based on the identification of compounds, which are able to bind specifically to their biological target. The study included a stage of in silico virtual screening of the library of commercially available compounds and subsequent experimental selection of the leading compounds capable to interact with the enzyme. The identification of binding was carried out using saturation transfer difference (STD) spectroscopy and the WaterLOGSY technique. During the final stage, an experimental assessment of the inhibition activity of the selected compounds in the reaction of the γ elimination of L-methionine catalyzed by methionine γ-lyase was performed. Binding constants of two leading compounds were determined using the WaterLOGSY method. This study expands the structural group of potential inhibitors of methionine γ-lyase and allows us to approach the design of its inhibitors with higher efficacy

Cultural Imperatives of the Modern Economy

В статье рассмотрена тесная взаимосвязь культуры и экономики, которая претерпевала существенные изменения на протяжении долгого времени. Показано, что в современном мире отношения между культурой и экономикой вновь сближаются. Многие ученые и экономисты считают, что от успеха этого сближения во многом зависит выживание человечества на планете.The article examines the close relationship between culture and the economy, which has undergone significant changes over time. It is shown that in the modern world, the relationship between culture and the economy is again approaching. Many scientists and economists believe that the success of this convergence largely depends on the survival of humanity on the planet