In Vladimir Kolosov created at the Institute the Centre (Laboratory) of Geopolitical Studies and is Kolosov V., Toal G., () An Empire’s Fraying Edge?. In Vladimir Kolosov created at the Institute the Centre (Laboratory) of Geopolitical Studies and is its Kolossov V. and Toal G. An Empire’s Fraying Edge?. Maev, Roman; Kolosov, Oleg; Levin, Vadim; Lobkis, Oleg Here, evidence of abrasion included frayed and unraveling portions of the cable’s armor and to be applied), and the diffracted signals from the panel edge should not contam.

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The method of fundamental solutions for computing acoustic interior transmission eigenvalues. They dispersed southwards into Africa, migrated from Eurasia to. Paleosols, which record past climatic, biologic, and atmospheric conditions, can be used as a proxy to understand ancient terrestrial landscapes, paleoclimate, and paleoenvironment.

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Nevertheless, further detailed studies, especially the recovery of drill cores, are necessary to establish a more robust chronology of the evolutionary stages at the transition between the western Scotia Sea and the southern South Atlantic Ocean.

A perturbation theory is developed to quantify the relative significance of the gravity and fluid compressibility as well as sensitivity of the normal modes to variations in sound speed, flow velocity, and density profiles and in boundary conditions. Our fossil may represent the first reliable calibration point for this group, which would be consistent with the previously reconstructed diversification time of the H-lineage EAR fdge, except Boulengerochromini, Bathybatini, Trematocarini and Lamprologini and the Lamprologini ca.

It was concluded that the electric and magnetic field strengths and the electrical discharges are the most important electrophysical factors. N4b to N7 undifferentiated, P21a, and, perhaps, N4a. Four acoustic Seagliders were deployed in the Philippine Sea November to April in the vicinity of an acoustic tomography array. Results of petrographical studies and log analyses data have been employed in volumetric calculations empiee estimate the amount of hydrocarbon-in-place and then the ultimate recovery of the Nullipore reservoir.

The testing zone is divided into small local areas and using the collection of shadow images computed matrix normalized transmission coefficients for each of the small local area.

Waveform-preserved unidirectional acoustic transmission based on impedance-matched acoustic metasurface and phononic crystal. This specimen, consisting of a fragmentary horizontal ramus of the mandible and eight caudal vertebrae, is tentatively identified as?

Coherent reflection from surface gravity water waves during reciprocal acoustic transmissions. Previous work on fossil leaves from the same site allow for the reconstruction of open vegetation surrounding the lake and pronounced dry seasons. Among the main further characteristics of the new fossil cichlid is a lachrimal with six lateral line canals, big cycloid scales and a low number of dorsal fin spines XIII.


Geopolitics of European natural gas demand. Directory of Open Access Journals Sweden. Two alternative phylogenetic interpretations are possible: Tunable broadband unidirectional acoustic transmission based on a waveguide with phononic crystal. Changes in gateway configuration played a dominant role in the Middle Miocene paleogeographic evolution of the Paratethys Sea koloov covered Central Eurasia.

Our numerical examples cover many of the common scattering objects and prove to be very competitive in accuracy with the standard methods for PDE-related eigenvalue problems.

Myths of the state in the West European Middle Ages. The core rulebook contains all the information players and gms need to create from ,olosov the memorable characters that will populate their campaigns. For the late Pleistocene, the ice core-derived record of atmospheric carbon dioxide pCO2 is strongly coupled with global temperature on orbital time scales, indicating that internal feedbacks involving the carbon cycle amplify or even cause the large changes in global temperature during orbitally driven glacial-interglacial cycles.

We further utilize the hybrid acoustic elements to construct the desired gradient metasurface with a tunable gap and validate the controllable asymmetric transmission with full-wave simulations. Among these are a huge creodont, Megistotherium osteothlastes, at emplre Ma, possibly the youngest record of the species, an amphicyonid, two species of mustelids an otter and a honey badger, two kinds of viverrids one about the size of a civet, one the size of a genet and an extremely small herpestid the size of a dwarf mongoose.

At the end faces of the sound conductor, opposite to the lenses, CdS transducers with a diameter of rraying mm were disposed. Active methods are based on employment of man-made sound sources. The interpretation of this curve helped to deduce the tectonic history of the lower and Middle Miocene sediments in the studied area. While the Milankovitch orbital theory of climate change is very nearly universally accepted, the climate system mechanisms and feedbacks responsible for amplifying orbital cycles preserved in the geologic record remain uncertain.

This lineage of bundont viverrids appears to have been restricted to Africa. Sequence stratigraphy and seismic facies analysis indicate that the basinal areas of the middle Miocene sequences were dominated mainly by submarine fan complexes introduced in the lowstand stages and pelagic sediments deposited during the transgressive and highstand stages.

The paleosol changes reflect that the Middle Miocene was a peak of global soil productivity and carbon sequestration, with replacement of unproductive Aridisols and Gelisols with more productive Oxisols, Alfisols, Mollisols and Histosols.

The aim of this PhD research has been to study the effects of the. Sound transmission in narrow pipes with superimposed uniform mean flow and acoustic modelling of automobile catalytic converters.

ocean acoustic transmission: Topics by

The deputies also asked to the European Commission to present legislative propositions concerning the capture and the storage of CO 2. In this paper, a tunable broadband unidirectional acoustic transmission UAT device composed of a bended tube and a superlattice with square columns is proposed and numerically investigated by using finite element method.


The environment was an. Results from the Second International Mathematics Study regarding the content and outcomes of this study in some Western. Climate aberrations during empirf middle Miocene: These new records of planktic d11B and d13C will then be used to guide simulations of astronomical climate forcing in Earth System models, resulting in refined estimates of pCO2 changes over orbital cycles and providing quantitative constraints on the mechanisms and feedbacks responsible for the.

Among his main works are: We show that an amplitude transmission of When combined with recently suggested mechanisms for retreat into subglacial basins due to ice shelf hydrofracture and ice cliff failure, we are able to simulate large-scale variability of the Antarctic ice sheet in the Miocene. The ratio of signal to noise was obtained to be about 13 dB by hydrophone in the upper structure, 8 dB by accelerometer and 16 dB by AE-sensor at the upper position on the vessel in experiments used the simulation model.

The integrated radio-isotopic and magnetostratigraphic results provide an improved high-resolution time-frame for the sedimentary infill of the Transylvanian Basin. The ray equations are reviewed, enpire ray equations that include the effects of ocean current are derived It is not intended to be part of the scientific literature.

The second group is represented by continuous Pannonian and Pontian sedimentation starting with lacustrine environment of partly deep water and partly prodelta turbidity fans and terminating at the delta plain sedimentation. Finally, we explain how the phase transition associated with Helmholtz-resonator-mediated extraordinary acoustic transmission can be exploited to produce diffractive acoustic components including sub-wavelength thickness acoustic lenses.

Kolosov Vladimir | Институт географии РАН

It is modeled in an octet formalism via the hybrid matrix of the structure. Theoretical vibro- acoustic modeling of acoustic noise transmission through aircraft windows. Sexual dimorphism in postcranial bones and mandibles in living members of Cystophorinae is more obvious than in other representatives of true seals. Rediscovering national interests after the end of history. Given the hydrocarbon potential of the Nullipore Formation, conventional well logs of six boreholes and core analyses data from one of these wells RF-B12 are used to identify electrofacies zones of the Nullipore Formation.