376 research outputs found

    Psychological Services in Russian Universities: What Do We Have and Where We Are Going?

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    Psychological well-being of students is becoming one of the priorities of higher education today. This paper is devoted to the study of the work experience of psychological services in Russian universities. The results are based on the data of semi-structured interviews with 15 heads of psychological services of Russian universities. The interview data show that the main directions of the services’ work are following: counseling, preventive-educational measures, diagnostic, adaptation, and nurturing. In turn, during the pandemic the services adapted their activities by transitioning to the online format and creating of hotlines for emergency psychological help. At the same time, psychological services face such problems as lack of funding, difficulties in building interaction with psychiatric organizations, conflict of interests between university management and the service management in their activities. Nevertheless, the main trend for the psychological services development is to build a system of psychological support involving different levels of university hierarchy. The results of the study can be used to design a model of university psychological services, as well as to make practical decisions about the development of the psychological services network in Russian universities

    THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO)

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    Mineralogical and geochemical study was performed on peridotite xenolith hosted by amygdaline basalts of Lanzarote Island (Canary archipelago). Their modal composition corresponds to harzburgite. Remarkably, the petrographic composition of the rocks is marked by presence of plagioclase. The isochron shows the age of 267±35 Ma, which might be the initial stage of opening a fragment of the Atlantic Ocean. The peridotites were apparently derived in the magmatic chamber formed by "underplating" triggered by interaction of mantle substrate with the lower crust material

    Криптовалюты vs цифровые валюты центральных банков: роль финансовой грамотности населения

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    A bifurcation point has arisen in the transformation of the global monetary and financial system, associated with its further digital transformation: will it be based on private digital currencies like Bitcoin, or on the basis of central bank digital currencies (CBDC)? To a large extent, this depends on the willingness of economic agents to use virtual currencies.The purpose of the study is to explore the factors determining the attitude of economic agents to digital currencies and the impact of financial literacy on using these instruments as an investment object and means of payment.The authors use the following research methods: content analysis, retrospective analysis, methods of comparative cross-country analysis, and empirical research in the form of an online survey of graduate financial students. This study is one of the first to reveal differences in the assessment of their knowledge and readiness to use digital currencies of financial and non-financial students, as well as to confirm an adequate assessment of the risks and opportunities of different types of virtual currencies if students have financial knowledge. The research shows that the situation with the decisionmaking of economic agents on the use of cryptocurrencies and the CBDC differs: in the first case, the initiative comes from the economic agents themselves, who make decisions at their own peril and risk; in the second case, economic agents are confronted with the fact of the existence of the CBDC and the need to use them.The authors conclude that the population’s low financial and digital literacy can create a mental barrier to the use of CBDC, complicating their implementation in national monetary systems. The lack of financial literacy leads to an exaggeration of their knowledge by participants in the cryptocurrency market.В настоящее время в трансформации мировой валютно-финансовой системы возникла точка бифуркации, связанная с определением путей ее дальнейшей цифровой трансформации: будет ли она проходить на основе частных цифровых валют типа Биткойна или же на основе цифровых валют центрального банка (ЦВЦБ). В значительной степени это зависит от готовности экономических агентов к использованию виртуальных валют.Цель исследования —  изучение факторов, определяющих отношение экономических агентов к цифровым валютам и влияние финансовой грамотности на использование этих инструментов в качестве объекта инвестирования и средства платежа.Авторы использовали следующие методы: контент-анализ, ретроспективный анализ, межстрановой сравнительный анализ и эмпирическое исследование в форме онлайн-анкетирования студентов финансового профиля выпускных курсов. Представленное исследование является одним из первых, позволивших выявить различия в оценке своих знаний и готовности к использованию цифровых валют студентов финансового и нефинансового профиля, а также подтвердить более взвешенную оценку рисков и возможностей разных видов виртуальных валют при наличии у них финансовых знаний. Показано, что ситуация с принятием решений экономических агентов по вопросам использования криптовалют и ЦВЦБ существенно различается: в первом случае инициатива исходит от самих экономических агентов, принимающих решения на свой страх и риск, во втором —  экономические агенты ставятся перед фактом существования ЦВЦБ и необходимости их использования.Сделан вывод о том, что низкая финансово-цифровая грамотность населения может создать ментальный барьер для использования ЦВЦБ, осложнив их внедрение в национальных денежных системах. Отсутствие финансовой подготовки и низкая финансовая грамотность приводят к переоценке своих знаний участниками рынка криптовалют

    Enhancement of Raman light scattering in dye-labeled cell membrane on metal-containing conducting polymer film

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    An enhanced Raman spectroscopy method based on a plasmon resonance in ultrathin metal-containing LB-film deposited on nanoporous anodic alumina supports has been proposed. This material has been utilized to enhance Raman scattering of light in fluorescent-labeled subcellular membrane structures. It has been shown that the plasmon resonance between vibrational modes of the organometallic complexes monolayers and dye-labeled subcellular structures happens. It makes possible to detect interactions between living cell monolayers and an extracellular matrix

    КВАНТОВО-КИНЕТИЧЕСКАЯ ТЕОРИЯ СОСТОЯНИЯ СМЕШАННОЙ ВАЛЕНТНОСТИ МЕТАЛЛИЧЕСКИХ ЦЕНТРОВ ПЕРОВСКИТОВЫХ СЕГНЕТОЭЛЕКТРИКОВ

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    Quantum-statistical description of coherent dipole-active states and quantum kinetic theory of mixed-valence state for metal centers of perovskite ferroelectrics is introduced. For layered perovskites with linear electron spectrum it allowed to establish a quadratic dependence of charge density distribution on momentum. It has been shown that a dipole polarization vector of resonance between d ( f )- and s ( p )-electron states becomes stable due to this found dependence.Предложены квантово-статистическое описание когерентных дипольно-активных состояний и квантово-кинетическая теория состояния смешанной валентности металлических центров перовскитовых сегнетоэлектриков. Для слоистых перовскитов с линейным электронным спектром это позволило установить квадратичную зависимость распределения зарядовой плотности от импульса и объяснить стабилизацию вектора дипольной поляризации резонанса между d ( f )- и s ( p )- электронными состояниями
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