О влиянии молодежного туризма на формирование имиджа территории как инструмента «мягкой силы» в контексте современных международных отношений

The article is devoted to analysis of youth tourism as a specific socio-cultural formation of the image of the territory, countries in the international youth environment. This is especially true in the context of tourism active interaction of youth, which sets the stage for the development of multidirectional trends in the international stage. The authors refer to the analysis of some aspects of this phenomenon in the context of contemporary international relations, in which there is a clear movement towards the universalization of youth tourism. Today the trend of transition of youth relations and tourism contacts to the area of international politics and public diplomacy is being shaped more and more clearly. For the first time attempt to understand the role of youth tourism as a mechanism of soft power of Russia, allowing it to be used as an in-demand feedback channel with foreign youth, and the role of social and cultural influence on the international space are presented. The authors discuss the problems of formation of image of the country from the point of view of effective use of the potential of having a “protracted” form of development of the Institute for international youth tourism, as a part of foreign cultural policy of Russia. The authors identified the main problematic aspects and factors that characterize a promising role and place of youth tourism as a desired tool of soft power and channels of influence of Russia in the international space

Photoluminescence of Lead Sulfide Quantum Dots of Different Sizes in a Nanoporous Silicate Glass Matrix

The optical properties of lead sulfide quantum dots (QDs) of different sizes embedded in a nanoporous silicate glass matrix (NSM) are investigated by steady-state and transient photoluminescence spectroscopy. The use of this matrix allows the fabrication of samples with reproducible optical characteristics, for both isolated and close-packed QDs. Low-temperature PL analysis of isolated QDs with sizes of 3.7 and 4.5 nm shows that the coefficient of temperature shift of the PL position changes sign with reducing QD size because of size-dependent contributions from thermal expansion, mechanical strain, and electron–phonon coupling. The PL intensity is determined by size-dependent splitting of the lowest energy electronic state

Carbon-based interlayers in perovskite solar cells

Perovskites are solution-processed, high-performance semiconductors of interest in low-cost photovoltaics. The interfaces between the perovskite photoactive layers and the top and bottom contacts are crucial for efficient charge transport and minimizing trapping. Control of the collection of charge carriers at these interfaces is decisive to device performance. Here, we review recent progress in the realization of efficient perovskite solar cells using cheap, easily processed, stable, carbon-based interlayers. Interface materials including graphene, carbon nanotubes, fullerenes, graphene quantum dots and carbon dots are introduced and their influence on device performance is discussed

Weighted Least Squares Perturbation Theory

The interest in the problem of weighted pseudoinverse matrices and the problem of weighted least squares (WLS) is largely due to their numerous applications. In particular, the problem of WLS is used in the design and optimization of building structures, in tomography, in statistics, etc. The first part of the chapter is devoted to the sensitivity of the solution to the WLS problem with approximate initial data. The second part investigates the properties of a SLAE with approximate initial data and presents an algorithm for finding a weighted normal pseudo solution of a WLS problem with approximate initial data, an algorithm for solving a WLS problem with symmetric positive semidefinite matrices and an approximate right side and also a parallel algorithm for solving a WLS problem. The third part is devoted to the analysis of the reliability of computer solutions of the WLS problem with approximate initial data. Here, estimates of the total error of the WLS problem are presented, and also software-algorithmic approaches to improving the accuracy of computer solutions

Self-assessment of academic achievements in the examination situation and personality traits of students of the youth age period

The study presents the results of the correlation between students’ predictive competence and their personal characteristics. The relevance and novelty of the research results are attributed to the specification of the problematic issue connected with predictive competence. The latter is determined through the students’ subjective characteristics which are associated with self-assessment of academic achievements in the examination situation. The developed predictive competence is one of the acmeological invariants of professionalism and a resource that increases stress resistance. The aim of the research is to study the correlation between personality traits of students of the youth age period and the adequacy of their self-assessment of the academic achievements in a stressful examination situation. The study hypothesizes that personal characteristics of students determine the adequacy level of their self-assessment of the academic results and reduce the level of examination stress. The sample of the study comprises 287 first- and second-year students of the youth age period, majoring in natural sciences and socio-economic educational areas and specialties of Udmurt State Agrarian University (Izhevsk) (their average age is 18.5; 45% are girls, 55% are boys). The methods (tools) of the research are as follows: in order to fix the components of self-assessment of academic achievements and the level of mental tension of young people in the examination situation, the authors used the Dembo – Rubinstein technique (in the original modification); to determine the features of predictive skills, the “Anticipatory Consistency Test” developed by V. D. Mendelevich (ACT) was used; to measure the manifestations of anxiety as a personal quality that affects the stress level during examinations, the “The Taylor Manifest Anxiety Scale” was applied (adapted by T. A. Nemchin, V. G. Noskaridze), to measure the level of the control locus the “Rotter’s Locus of Control Scale” (adapted by E. F. Bazhin, E. A. Golynkina, A. M. Etkind) was used. The study results. Positive correlation between the locus of control and personal anxiety and negative cor- relation between the predictive competence and situational tension are characteristic of students with an adequate self-assessment of academic achievements. Developed predictive competence reduces the exam stress. The conclusion. Adequate self-assessment of academic achievements in a stressful situation contributes to the management of one’s own activities and to a better manifestation of competencies while performing intellectual tests. The obtained results are used to improve the personality-oriented program for the development of adequate self-assessment of academic achievements which serves as a stress resistance resource of students of the youth age period

Beyond Charge Transfer: The impact of auger recombination and FRET on PL quenching in an rGO-QDs system

PL intensity quenching and the PL lifetime reduction of fluorophores located close to gra‐ phene derivatives are generally explained by charge and energy transfer processes. Analyzing the PL from PbS QDs in rGO/QD systems, we observed a substantial reduction in average PL lifetimes with an increase in rGO content that cannot be interpreted solely by these two processes. To explain the PL lifetime dependence on the rGO/QD component ratio, we propose a model based on the Auger recombination of excitations involving excess holes left in the QDs after the charge transfer process. To validate the model, we conducted additional experiments involving the external engi‐ neering of free charge carriers, which confirmed the role of excess holes as the main QD PL quench‐ ing source. A mathematical simulation of the model demonstrated that the energy transfer between neighboring QDs must also be considered to explain the experimental data carefully. Together, Au‐ ger recombination and energy transfer simulation offers us an excellent fit for the average PL life‐ time dependence on the component ratio of the rGO/QD system

All-optical scanning vector magnetometry based on fine and hyperfine interactions in spin-32\frac{3}{2} centers in silicon carbide

The possibility of using axial spin color centers with $S=3/2$, oriented along the hexagonal $c$ axis in a silicon carbide (SiC) wafer, has been demonstrated for all-optical measurement of projection of the external magnetic field coinciding with the $c$ axis of the crystal, and the polar and azimuthal angles of the external measured magnetic field at room and significantly higher temperatures. A distinctive feature of spin centers in SiC, in which optically induced spin alignment is carried out, is the presence of a unique system of spin levels in a magnetic field, caused by fine structure interaction and hyperfine interaction with the $^{29}$Si nuclei and there is a wide range of level anticrossings (LACs), leading to an exceptionally strong change in photoluminescence in the region of LAC and the dependence of the LAC spectrum on the orientation of the external measured magnetic field, which made it possible to develop the all-optical vector magnetometry method. Such measurements do not require microwave radiation, it is possible to use single spin center for the all-optical vector magnetometry. The proposed magnetometer is based on an external magnetic field cancellation scheme, which leads to a LAC spectrum observed in a zero external magnetic field, called its reference spectrum, by maintaining a local region of zero magnetic field at the site of optical excitation of spin centers. 4H-SiC plate is placed on the scanning stage of a confocal microscope inside the Helmholtz coils. Sensitivity to a constant magnetic field for $z$ component of the magnetic field ${B}_{z}$ is better than $0.1\mu$T$/\sqrt{\text{Hz}}$ in a volume of $1\times10^{-8}$mm$^{3}$ at room temperature. The sensitivity of determining the angles polar and azimuthal is determined by the sensitivity to determining the perpendicular component of the magnetic field, which is better than $5~\mu$T$/\sqrt{\text{Hz}}$

Cloud infrastructure of INP'S Astana branch - PE "NULITS" and its integration with distributed JINR cloud infrastructure

The article describes the Institute of Nuclear Physics’ (INP) Astana branch - private establishments “Nazarbayev University Library and IT services” (PE NULITS) cloud and its integration with the distributed cloud infrastructure consisting of the Laboratory of Information Technologies of the Joint Institute for Nuclear Research (JINR) cloud as well as clouds of some JINR Member State organizations. It explains a motivation of that work, an approach it is based on, working plan of the integration

Using an Option Approach to Assess the Effectiveness of an Import Substitution Project in the Perfumery and Cosmetics Industry of Asian Russia

Венчурный капитал выступает одним из наиболее эффективных источников финансирования малых инновационных компаний и инновационных проектов. В качестве одной из важных задач в рамках стимулирования научно-технического прогресса в России и решения проблемы импортозамещения можно обозначить развитие рынка венчурного инвестирования. В свете необходимости скорейшего решения проблемы импортозамещения в России и регионах азиатской части России формирование и развитие адекватной методологической базы оценки финансовой эффективности инновационных проектов, финансируемых за счет средств венчурного капитала, является весьма актуальным вопросом. Перспективным направлением для развития теории и методологии оценки инноваций является концепция реальных опционов. В данной статье представлены результаты оценки коммерческой эффективности инновационного проекта импортозамещения в сфере парфюмерно-косметической промышленности методом реальных опционов. Расчеты выполнены на основе предложенного авторами методологического подхода анализа финансовой эффективности инновационных проектов в промышленности, привлекающих для реализации проекта средства венчурных фондов. Апробация подхода выполнена для инновационного проекта импортозамещения, реализуемого в одном из регионов Азиатской России. Результаты проведенного исследования, а также полученные в данной статье выводы и рекомендации могут применяться венчурными фондами в практике их работы при оценке и отборе инновационных проектов для финансирования, имеющих важное народнохозяйственное значение и обеспечивающих импортозамещение в промышленности. Полученные результаты могут использоваться органами власти при разработке программ развития венчурного финансирования инноваций в РоссииVenture capital is one of the most effective sources of financing for small innovative companies and innovative projects. As one of the important tasks in the framework of stimulating scientific and technological progress in Russia and solving the problem of import substitution the development of the venture investment market can be denoted. In the context of the need to solve the problem of import substitution in Russia and in the regions of the Asian part of Russia as soon as possible, the formation and development of an adequate methodological base for assessing the financial efficiency of innovative projects financed by venture capital is a very topical issue. A promising direction for the development of the theory and methodology for evaluating innovations is the concept of real options. This paper presents the results of evaluating the commercial effectiveness of an innovative import substitution project in the perfumery and cosmetics industry using real options method. The calculations were made on the basis of the methodological approach proposed by the authors for analyzing the financial efficiency of innovative projects in the industry sector that attract resources from the venture funds for project implementation. The approbation of the approach was carried out for an innovative import substitution project implemented in one of the regions of Asian Russia. The results of the research, as well as the conclusions and recommendations obtained in this paper, can be applied by venture funds in their practice work of the evaluation and selection of innovative projects for financing that are of great national economic importance and ensure import substitution in the industry sector. The results obtained can be used by the authorities in the elaboration of programs for the development of venture financing of innovations in Russi

Effectiveness of ESIN osteosynthesis in pediatric forearm diaphyseal fractures: A retrospective analysis

Aim to retrospectively evaluate the treatment results in children with diaphyseal forearm fractures operated on using intramedullary metal osteosynthesis with titanium elastic rods according to the Elastic Stable Intramedullary Nailing (ESIN) method. Material and methods. The treatment results of 79 children were included in the retrospective analysis. The patients' mean age was 11.8 years (from 6 to16 years). Results. The results of treatment were evaluated using the classification of Anderson et al. [20] in the early postoperative period, at 2, 4 and 6 months after surgery. Conclusion. The ESIN osteosynthesis for diaphyseal fractures of the forearm bones in children allows for achieving excellent treatment results and early limb functionality in the absolute majority of cases