Документы 51 - 60 из 110
51.

Количество страниц: 2 с.

Characteristics of negative sudden geomagnetic impulses: Comparison with the sudden geomagnetic impulse caused by the growth of the solar wind dynamic pressure : [тезисы докладов] / A. V. Moiseyev, S. I. Solovyev, K. Yumoto, M. Engebretson // Physics of auroral phenomena : 30th annual seminar, 27 February – 2 March 2007 : abstracts. – 2007. – P. 34-35.

52.

Количество страниц: 8 с.

In the given work perspectives of combined modification of polytetrafluorethylene (PTFE) by fluoroplastic F-4MB in a combination with nanospinel magnesium for the purpose of reception of new cold-resistant polymeric composite materials the tribotechnical appointments with improved deformation-strength characteristics for the oil and gas equipment is shown.

Okhlopkova, A. A. Working out polymeric nanocomposites the tribotechnical appointments for the oil and gas equipment / A. A. Okhlopkova, P. N. Petrova, O. V. Gogoleva // Нефтегазовое дело. - 2009, N 2. - С. 24.

53.

Количество страниц: 3 с.

Chronic Triple Infection with Hepatitis B, C, and D Viruses in the Republic of Sakha / Lubov I. Petrova, Snezhana S. Sleptsova, Maksim N. Andreev [и др.] ; M. K. Ammosov North-Eastern Federal University // International journal of biomedicine. - 2018. - Т. 8, N 3. - C. 217-219. - DOI: 10.21103/Article8(1)_ShC2
DOI: 10.21103/Article8(1)_ShC2

54.
Авторы:

Количество страниц: 3 с.

This article presents the data from an analysis of the epidemiological situation on the incidence of syphilis in the Republic of Sakha (Yakutia) (RS(Y)) for the period between 1982 and 2017. The highest incidence of syphilis in RS(Y) was in 1997, 1998, 1999, which coincided with the socio-economic transformations in society. Currently, there is a decrease in syphilis morbidity. Nevertheless, the high rate of late latent forms requires epidemiological monitoring. В статье представлены данные анализа эпидемиологической ситуации по заболеваемости сифилисом в Республике Саха (Якутия) (РС(Я)) за период с 1982 по 2017 гг. В 1997, 1998, 1999 гг., что совпало с социально-экономическими преобразованиями в обществе. В настоящее время отмечается снижение заболеваемости сифилисом. Тем не менее высокая частота поздних латентных форм требует эпидемиологического контроля.

Analysis of Long-Term Morbidity of Syphilis inthe Republic of Sakha (Yakutia) / Lyubov I. Petrova, Snezhana S. Sleptsova, Anastasia N. Petrova [and etc.] // International journal of biomedicine. - 2020. - Т. 10, N 3. - C. 278-280.
DOI: 10.21103/Article9(3)_ShC4

55.

Количество страниц: 3 с.

Petrova, L. I. Clinical, Epidemiological and Socio-Personal Characteristics of Patients with Sexually Transmitted Infections in the Republic of Sakha (Yakutia) / Lubov I. Petrova, Snezhana S. Sleptsova, Spiridon S. Sleptsov ; M. K. Ammosov North-Eastern Federal University // International journal of biomedicine. - 2019. - Т. 9, N 3. - C. 266-268. - DOI: 10.21103/Article9(3)_ShC4
DOI: 10.21103/Article9(3)_ShC4

56.

Количество страниц: 12 с.

В обществе происходят процессы трансформации во многих сферах жизни и деятельности людей. В таких условиях усиливается важность глубинных изучений мифологического сознания человека. Архаические тексты якутского эпоса олонхо имеют богатую знаковую природу, которая предстает благодатной почвой для изучения глубинных смыслов и структур. В фокусе настоящего исследования – коды зачинов разновременных фиксаций центральной эпической традиции сказительского искусства якутов. Цель исследования – выявление кодовых конфигураций зачинов олонхо раннего и позднего периодов записей, фиксация изменений в категориях кодирования содержаний зачинов. В работе применяются сравнительно-типологический подход, структурно-семиотический и квантитативный анализы (метод сплошной выборки, статистического анализа), метод герменевтики и индукции. Анализ позволил выявить из зачина ранней записи олонхо 264 единицы кодов, из поздней записи – 112 единиц. В обоих зачинах наблюдается иерархическое выстраивание кодов по трем уровням. Установлено, что частота употребления кодов в зачине поздней записи выше, чем в ранней. Устойчивыми во времени выявлены числовой, семический, соматический, цветовой коды. Также отмечается использование скрытого кода бессознательного и геономического кода в зачине поздней записи, отсутствующих в ранней записи. В последнем отмечаются парные сочетания двух кодов – природно-климатического, зооморфно-цветового, что не встречается в зачине поздней записи. В целом, наблюдается значительное сокращение объема зачина поздней записи в сравнении с ранней. Однако, верифицируется тождественность в реализации главной функции зачинов – манифестации "представлений" хронотопов последующих событий эпосов, где коды предстают важным структурообразующим компонентом мифов. При этом, "выпадение" ряда сюжетных мотивов из зачина поздней записи частично восполняется за счет повышения применений кодовых конфигураций. Отсутствие же в зачине поздней записи олонхо главного компонента мифа – героя, служит индикатором функционирования "микромифа", а не реального мифа, построенного в соответствии с мифологической моделью

Satanar, M. T. Mythological exposition codes in the yakut epic: a comparative analysis of different time-period olonkho records / M. T. Satanar // Вестник Северо-Восточного федерального университета им. М. К. Аммосова. Серия "Эпосоведение" - 2022. - N 4 (28). - С. 97-108.
DOI: 10.25587/SVFU.2022.50.90.010

57.

Количество страниц: 10 с.

We have studied the process of artificial methane hydrates obtaining in static conditions from distilled and "secondary" water (prepared by the decomposition of methane hydrate), as well as the additional metal surface using inside of cameras. It was found dependence from the type of the liquid phase and the presence/absence of additional metal surface inside the camera; in the same initial conditions of temperature and pressure, it can be obtained samples with different degrees of transformation of the "water-gas" to hydrate and various crystalline morphology.

Semenov, M. E. Study of the methane hydrates obtaining process in static conditions / M. E. Semenov, E. Yu. Shitz // Нефтегазовое дело. - 2012, N 5. - С. 466-474.

58.

Количество страниц: 24 с.

Riesz potentials are convolution operators with fractional powers of some distance (Euclidean, Lorentz or other) to a point. From application point of view, such potentials are tools for solving differential equations of mathematical physics and inverse problems. For example, Marsel Riesz used these operators for writing the solution to the Cauchy problem for the wave equation and theory of the Radon transform is based on Riesz potentials. In this article, we use the Riesz potentials constructed with the help of generalized convolution for solution to the wave equations with Bessel operators. First, we describe general method of Riesz potentials, give basic definitions, introduce solvable equations and write suitable potentials (Riesz hyperbolic B-potentials). Then, we show that these potentials are absolutely convergent integrals for some functions and for some values of the parameter representing fractional powers of the Lorentz distance. Next we show the connection of the Riesz hyperbolic B-potentials with d’Alembert operators in which the Bessel operators are used in place of the second derivatives. Next we continue analytically considered potentials to the required parameter values that includes zero and show that when value of the parameter is zero these operators are identity operators. Finally, we solve singular initial value hyperbolic problems and give examples.

Shishkina, E. L. Method of Riesz potentials applied to solution to nonhomogeneous singular wave equations / E. L. Shishkina, S. Abbas // Математические заметки СВФУ. — 2018. — Т. 25, N 3 (99), июль-сентябрь. — С. 68-91.
DOI: 10.25587/SVFU.2018.99.16952

59.

Количество страниц: 4 с.

Galactic cosmic ray (GCR) diffusion in interplanetary space depends in a certain way on the degree of regularity of the interplanetary magnetic field (IMF). The sector IMF structure is manifested in inhomogeneous GCR distribution in the heliosphere. In parallel with the usual sectors associated with solar activity, one should take into account the sectors, which are caused by the Jupiter activity. It is known that the Jupiter is a powerful regular source of high-energy electrons (0.2-40 MeV), the density of which, on the average, is many times higher than that of solar cosmic rays. The high-energy electrons are systematically registed with the 399-day period in the near-Earth space. According to estimations of the particle energy density their flux is sufficient to decrease the magnetic field in the Jovian sector and can due to corresponding large-scale inhomogeneity in the GKL distribution. Hereby, we present the evidences that the GCR diffusion is noticeably stronger in the sector where there are Jovian electrons. By data on periodic passage of those sectors near the Earth, we have treated neutron monitor data using the superposed epoch technique. The day of the Earth and Jupiter opposition is taken as a zero epoch. At large statistical data (9925 days) it is found that the GCR intensity in that period increases with an amplitude near 1%. The groud effect is manifested with the period of 399 days and its maximum time is in a certain way shifted relative to the planet opposite moment.

Skryabin, N. G. Influence of Jupiter on cosmic ray intensity variations / N. G. Skryabin, S. N. Samsonov, I. Ya. Plotnikov // Physics of auroral phenomena : proceedings of the 25th annual seminar, Apatity, 26 February – 1 March 2002. – 2002. – P. 137-139.

60.

Количество страниц: 3 с.

The Jupiter is a powerful regular source of high-energy electrons (0,2-40 MeV). In this connection their density in the near-Earth space systematically increases with a period of 399 days, which is coincident with the synodic period of Jupiter. According to our estimations, their energy is sufficient to produce a significant local reduction of the magnetic field in the IMF sector connected with the Jupiter. In this paper the evidence is presented that the electron fluxes in the Jovian sector are controlled by the general magnetic field of the Sun. A treatment of 399-day intervals of the electron fluxes and IMF, obtained from spacecraft data for the period of 1963 to 2000 has been performed by superposed epoch technique taking into account the periodic change of the solar magnetic field polarity. Having adopted the Jupiter opposition day to be an epoch zero, the changes in particle intensity and IMF components under different signs of the general magnetic field of the Sun are found by using a large dataset (9925 days). The times of 399-day variation maxima in different periods of solar activity are compared and a character of their displacement relative to Jupiter opposition momentsis discussed.

Skryabin, N. G. Influence of a change in solar magnetic field polarity on the Jovian electron flux intensity / N. G. Skryabin, S. N. Samsonov, I. Ya. Plotnikov // Physics of auroral phenomena : proceedings of the 26th annual seminar, 25 - 28 February 2003. – 2003. – P. 159-161.