Документы 1 - 10 из 1954

Количество страниц: 6 с.

Comparing temperature of subauroral mesopause over Yakutia with SABER radiometer data for 2002–2014 = Сравнение температуры субавроральной мезопаузы над Якутией с данными радиометра SABER с 2002 по 2014 г. / A. M. Ammosova, G. A. Gavrilyeva, P. P. Ammosov, I. I. Koltovskoi // Солнечно-земная физика = Solar-Terrestrial Physics. – 2017. – Т. 3, N 2 : 13-я российско-китайская конференция по космической погоде. – С. 58-63. – DOI: 10.12737/22598.
DOI: 10.12737/22598


Количество страниц: 1 с.

MAGDAS-9 magnetometers observations of strong earthquakes : [тезисы докладов] / Baishev D. G., Moiseev A.V., Bondar E. D., Kobyakova S. E., Yumoto K. // 10th International conference "Problems of geocosmos", St. Petersburg, Petrodvorets, October 6-10, 2014. – St. Petersburg : [s. n.], 2014. – P. 106.


Количество страниц: 19 с.

In this article the technique of classification of the Early Holocene microblade industries on sites with mixed cultural layers of Central Yakutia (Tuymaada valley) is discussed. This technique is based on classification in the complexes on stone artifacts of microliths, as a characteristic for the Sumnagin culture. Materials from sites are associated with the Mesolithic on the basis of the technical-typological and statistical analysis of materials from precisely stratified sites of the Sumnagin Culture of the Aldan and Olekma river basins. The stone inventory of the Sumnagin culture is based on the maximal use of blades from which practically all stone tool industrial products were produced, except for large cutting instruments. The presence of microblade tools in the common statistics of tool types is supported by a big amount of blades and the tools made of them. Prevailing amount of blades in relation to the flake tools, absence of ceramics or its small amount, in some cases, also testifies in favour of early dating. On the basis of analysis, the Sumnagin cultural complex on 11 sites of Tuymaada Valley is established: Kapitonovka, Kil'dyamtsy III, Severo-Zapadnaya II, Fermennoe Ozero, Syrdakh VI, Zernovaya II, Us'-Khatyng I, V, Vladimirovka IV, and Horo I, III. On about 25 sites where the microblades industries are excavated, at expansion of works the assumption of presence the Mesolithic stone assemblage in cultural layers can prove to be true.
Работа посвящена проблеме изучения мезолита в Центральной Якутии. Здесь было известно небольшое количество стоянок сумнагинской культуры, характеризующихся смешанными культурными комплексами, и датированных этим временем лишь по аналогиям инвентаря. В работе предложена методика определения раннеголоценовых комплексов в смешанных культурных слоях, основанная на выделении в общих комплексах каменного инвентаря микролитов, в большей степени характерных для сумнагинской культуры. Проведённый анализ позволил выделить сумнагинский культурный комплекс на 11 памятниках Туймаады. На ещё около 25 памятниках, где обнаружены микропластинчатые индустрии, при расширении работ, может подтвердиться предположение о наличии в культурных слоях мезолитического каменного инвентаря

Dyakonov, V. M. On the Problem of Classification of Microblade Industry Sites with Mixed Cultural Layers in the Mesolithic of Central Yakutia (on Materials from the Tuymaada Valley) / Victor M. Dyakonov // North Pacific Prehistory : archaeological studies journal. — 2007. — Vol. 1. — P. 129-147.


Количество страниц: 4 с.

Gololobov, A. Yu. Modeling the influence of magnetospheric heat fluxes on the electron temperature in the subauroral ionosphere = Моделирование влияния магнитосферных потоков тепла на температуру электронов в субавроральной ионосфере / A. Yu. Gololobov, I. A. Golikov, I. I. Varlamov // Солнечно-земная физика = Solar-Terrestrial Physics. – 2017. – Т. 3, N 2 : 13-я российско-китайская конференция по космической погоде. – С. 54-57. – DOI: 10.12737/22595.
DOI: 10.12737/22595


Количество страниц: 1 с.

Moiseyev A. V., Excitation of pulsations localized spatially during the sudden geomagnetic impulse: a case study / Moiseyev A., Baishev D. // 10th International conference "Problems of geocosmos", St. Petersburg, Petrodvorets, October 6-10, 2014. – St. Petersburg : [s. n.], 2014. – P. 177.


Количество страниц: 36 с.

Mouchkambarov, N. N. Discussions sur la gérontologie : métabolisme, méiose, gènes et problèmes de recherche / Nikolay Mouchkambarov, Grigori Tomski // Bulletin de l’Académie Internationale CONCORDE. - 2020. – N 2. – С. 3-38.


Количество страниц: 20 с.

Mouchkambarov, N. N. Discussions sur la gérontologie : modélisation mathématique et méthodes de vulgarisation / Nikolay Mouchkambarov, Grigori Tomski // Bulletin de l’Académie Internationale CONCORDE. - 2020. – N 2. – С. 39-58.


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


Количество страниц: 4 с.

The Dst-index obtained by hourly average values of the magnetic field at four stations located in various longitudinal sectors at latitudes Φ′≈20-30° is the index of magnetic field depression at low latitudes during the magnetic storm periods. Recently for the characteristics of magnetic field depression the SYM-H index has been used. It is obtained from 1 min data of the magnetic field at ~10 stations, located mainly at latitudes Φ′≈40-50° [1]. It is considered in [2-4] that the SYM-H index is an analog of Dst but with a better temporal resolution. As shown in [5], during super magnetic storms with Dst variation ≥ 400 nT, the SYM-H variations can considerably differ from Dst behavior and thus the SYM-H index is not always an analog of Dst. In this paper the relation between the Dst and SYM-H variations for magnetic storms of different intensity, with Dst varying from ~ -50 nT to -450 nT is investigated.

Solovyev, S. I. On the relation between the SYM-H and Dst- indices during the development of magnetic storm / S. I. Solovyev, R. N. Boroyev, A. V. Moiseyev // Physics of auroral phenomena : proceedings of the 28 th annual seminar, 1-4 March 2005. – 2005. – P. 48-51.


Количество страниц: 1 с.

Sources of excitation and damping of PC5 geomagnetic pulsations during the magnetic storms of october 29-31, 2003 influence of the solar wind and auroral electrojets : [тезисы докладов] / Solovyev S. I., Moiseyev A. V., Du A., Engebretson M., Newitt L. R. // International symposium on Solar Extreme Events of 2003 : programme and abstract book. – Москва : УНЦ ДО, 2004. – P. 59.