排序方式： 共有115条查询结果，搜索用时 15 毫秒
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Kulikov V. A. Ionicheva A. P. Kolodyazhny S. Yu. Sokolova E. Yu. Pushkarev P. Yu. Yakovlev A. G. 《Izvestiya Physics of the Solid Earth》2022,58(5):642-654
Izvestiya, Physics of the Solid Earth - Abstract—The paper presents results of magnetotelluric sounding performed in the South-Eastern Ladoga Region in 2018–2021 for the purpose of... 相似文献
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Sokolova E. Yu. Marshalko E. E. Kozyreva O. V. Kupriyanov I. S. Epishkin D. V. Pilipenko V. A. Slinchuk G. E. Yakovlev D. V. Yakovlev A. G. 《Izvestiya Physics of the Solid Earth》2022,58(5):670-689
Izvestiya, Physics of the Solid Earth - Abstract—The paper presents the results of analysis of the geoelectric (telluric) field variability during the Earth’s magnetic field... 相似文献
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Lithology and Mineral Resources - The paper is dedicated to gas hydrate fields and active underwater gas seeps found in the Sea of Okhotsk. The study of geological conditions of the generation and... 相似文献
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The sorption kinetics of heavy metal ions by organic suspension is considered in the case of a volley of wastewater into a channel flow. The characteristic time scales of the major kinetic stages of ionic sorption are estimated by using a model of matter sorption by particulate matter involving macrokinetic parameters and field data. The sorption on organic suspension and iron hydroxides is virtually instantaneous, whereas the characteristic time of sorption on clay particles is of the order of hours and days. A concept of sorption capacity of natural water is introduced. This capacity depends on the concentration of the sorbing suspension and the distribution coefficient of the dissolved forms of substances that can be sorbed, in particular, heavy metals. When the sorption capacity is small or sorption kinetics is slow, the dilution of wastewater becomes the main mechanism reducing the concentration of metal ionic forms. 相似文献
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The impact of a recently measured values of the desorption energy of oxygen released from the surface of silicate dust particles on the results of numerical simulations is analyzed. The chemical evolution of the interstellar medium under conditions corresponding to those in a cold, dark cloud is considered, together with the collapse of a translucent cloud into a dark cloud. Astrochemical modeling methods are used to show that, overall, there were no substantial changes in the chemical evolution under the conditions for the selected models for these objects, but the formation of somemolecules is sensitive to the change from the traditionally adopted oxygen desorption energy (800 K) to the new value (1850 K). The characteristics of the formation of such molecules are analyzed. 相似文献
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M. N. Berdichevsky N. S. Golubtsova Iv. M. Varentsov P. Yu. Pushkarev A. K. Rybin E. Yu. Sokolova 《Izvestiya Physics of the Solid Earth》2010,46(8):698-706
The paper presents the results of 2D inversion of deep magnetotelluric (MT) and magnetovariational (MV) soundings along the
Naryn Line. The method of partial (sequential) inversions is used. According to this method, at the first stage, magnetovariation
responses are used for the localization of deep anomalies of electrical conductivity, and then the magnetotelluric sounding
data are invoked to refine the structure of the host medium and the structural details in the upper part of the section. It
is shown that this approach enables one to estimate the informativeness of separate components of the electromagnetic field,
to reduce the distorting influence of the near-surface geoelectric inhomogeneities, and to increase the stability of the final
solution of the inverse problem. 相似文献
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The short-period S-wave attenuation field has been mapped for the lithosphere of the Altai and adjacent areas in Mongolia and southern Siberia. A total of approximately 500 earthquake seismograms were used. These were recorded at the Makanchi and Ulan-Bator stations at distances of ~300–1900 km. It is shown that the attenuation of shear waves is much stronger in the west of the area of study compared with the east. A V-shaped band of high attenuation in the upper mantle has been identified in the west of the area where the epicenters of the magnitude 6.9 1990 Zaisan and the magnitude 7.3 2003 Chuya earthquakes were situated; a similar band extends northwestward to the west of Lake Ubsu Nur. The attenuation is comparatively low in the rupture zones of large (М ≥ 7.0) pre-1970 earthquakes. It was concluded that fluid-charged zones are formed in the lithosphere prior to large earthquakes in the Altai, as well as in other areas of Central Asia. Following large seismic events, the fluids were rising into the crust from the upper mantle during a few tens of years, thus reducing the attenuation of Sn waves. We have identified zones of high attenuation with no significant earthquakes being recorded there during historical time. It is our opinion that earthquake precursory processes may be occurring in these zones. 相似文献
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