排序方式： 共有33条查询结果，搜索用时 15 毫秒
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S. N. Osipov 《Solar physics》1985,102(1-2):29-32
The blanketing effect for the solar disc center and its value near the limb (cos = 0.23) are obtained for the rocket ultraviolet region using the Harvard center and limb spectra. The value of for the disc center appears to be 0.67 (on average) relative to the quasicontinuum. The essential decrease of towards the limb is also revealed. 相似文献
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M. Ya. Marov A. V. Kolesnichenko K. K. Manuilov V. P. Osipov 《Solar System Research》2010,44(5):393-402
The methodology and the main features of the Thermophob experiment developed for the direct analysis of the thermophysical
properties of the surface of the Martian satellite Phobos from the Phobos-Grunt lander are considered. The methodical and engineering aspects of the measurements are discussed, and the design of the instrument
and the potential of the interpretation of the measurement results with accounting for the theoretical estimates and the data
of the laboratory tests are discussed. 相似文献
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Collisionless shocks in turbulent space plasmas accelerate particles by the Fermi mechanism to ultrarelativistic energies. The interaction of accelerated particles with the plasma inflow produces extended supersonic MHD flows of multicomponent plasma. We investigate the instabilities of a flow of three-component turbulent plasma with relativistic particles against long-wavelength perturbations with scales larger than the accelerated particle transport mean free path and the initial turbulence scales. The presence of turbulence allows us to formulate the system of single-fluid equations, the equation of motion for the medium as a whole, and the induction equation for the magnetic field with turbulent magnetic and kinematic viscosities. The current of accelerated particles enters into the induction equation with an effective magnetic diffusion coefficient. We have calculated the local growth rates of the perturbations related to the nonresonant long-wavelength instability of the current of accelerated particles for MHD perturbations in the WKB approximation. The amplification of long-wavelength magnetic field perturbations in the flow upstream of the shock front can affect significantly the maximum energies of the particles accelerated by a collisionless shock and can lead to the observed peculiarities of the synchrotron X-ray radiation in supernova remnants. 相似文献
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Geotectonics - The paper considers the origin of hydrocarbon accumulations within the Pre-Cenozoic basement of the Vietnam shelf. It is shown that the formation of hydrocarbon deposits is... 相似文献
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Doklady Earth Sciences - A continuous peat bog section from a barely accessible mid-mountain area in the northwestern Baikal region has been obtained for the first time. The materials were studied... 相似文献
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A. G. Osipov V. V. Dmitriev S. A. Maslennikov L. A. Plastinin V. M. Plyusnin 《Geography and Natural Resources》2017,38(1):12-19
This paper presents the scientific-methodological approaches to cartographic GIS-based modeling of pipelines with geoecological restrictions which essentially imply a spatial multiparametric analysis of the natural potential of the study territory in order to explore its possibilities of consistently performing the socioeconomic functions as pre-assigned without disturbing the life-support (environment and resource reproduction) functions. The suggested technique is illustrated by the example of selecting the route for the laying of the pipeline system on the model territory in the arctic zone of Siberia. Critical principles are applied to the technique of cartographic modeling of the pipeline route, i.e. the principles of systemacy, ecological security, priority of estimated indicators, unity of assessment and economic expediency. The following investigation methods were used in implementing the technique: ranking of the properties of natural landscapes according to their influence on the suitability of the territory, qualimetric assessments for the suitability classes of lands of natural systems, and graph theory for determining the optimal pipeline route on the basis of Dijkstra’s algorithm. The table of unnormalized and normalized weight factors is compiled, which are taken in consideration for assessing the suitability of natural landscape components and their characteristic properties. Archival and published reference data are used to calculate the reference values of the indicators used in an integral assessment of the suitability of the territory for the laying of the pipeline route. 相似文献
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Ya.P. Malovitskiy E.M. Emelyanov O.V. Kazakov V.N. Moskalenko G.V. Osipov K.M. Shimkus I.S. Chumakov 《Marine Geology》1975,18(5):231-261
According to geophysical data, the Mediterranean Sea depressions are noted for a peculiar type of the earth's crust. The sedimentary rock sequence is of great thickness (8–15 km) and is of platform-type dislocation. Several structural stages are distinguished in the sedimentary complex. The youngest of them are the Messinian (evaporite) and Pliocene—Quaternary stages. The consolidated part of the earth's crust shows small thickness and is divided into large blocks. Vertical dislocations of the large crustal blocks which were conditioned by condensation—rarefaction and the upper mantle substance migration were at the base of Mediterranean sea floor transformation. 相似文献
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L. A. Plastinin G. K. Osipov V. M. Plyusnin V. P. Stupin V. V. Khilenko 《Geography and Natural Resources》2016,37(4):290-295
A rationale is provided for the need and current importance of establishing a cartographic-space monitoring of Siberia’s Arctic zone in conditions of an increased interest in the exploitation of the region’s natural resource wealth and an aggravation of the geopolitical situation. We examine the principles of cartographic-space monitoring as a system for real-time acquisition, processing, visual display and supply (to users) of geospace information on natural and anthropogenic processes and phenomena. The primary goal of monitoring is defined as well as its particular objectives, such as the promotion of geoinformation services, training and professional improvement of specialists in remotely sensed data processing, digital cartography and geoinformation technologies, etc. We developed a conceptual model for geoinformation support of cartographic-space monitoring, based on the methodology of system analysis. We determined the sources and the composition of geospace information as well as the main requirements on it. The composition, purpose, structure and characteristic features of the main monitoring units and subsystems are presented and discussed, on the basis of the geoinformation portal that provides the users with the systems of base servers intended for acquisition, generation, updating and visualization of geospace information and metadata as well as for data control: loading, search, interactive editing, and unloading. We singled out three units of the system for geoinformation support of cartographic-space monitoring: the information unit, the geospace data processing unit, and the unit of access to information resources. 相似文献