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Vol. 11 (2008 year), No. 3

Asming V.E., Vinogradov Yu.A., Evtyugina Z.A., Kremenetskaya E.O., Prokudina A.V.
On results of observations on the Apatity infrasound complex

The geo-cemented stone on basis of the magnesium-ferrous slag and alkaline silicate solution has been obtained. It has been proved that ferriferous layered hydro alumina silicates (nontronite, limonite) and hydro pomegranates are formed as a result of hardening astringent based on the thin-grinding low slag and alkaline silicates' solution. Presence of water-resistant rock-forming silicate materials provides endurance of the cemented stone. The sorption properties of the synthesized materials from modeling solutions and real technological waste water of one of the Murmansk region enterprises have been studied. The saturated (by radionuclides) geo-cemented stone has been immobilized in the geo-polymeric cement structure. Tests on radionuclide lixiviation from the prepared compounds have been carried out. The lixiviation velocity has been proved to be considerably below normative requirements.

(in Russian, стр.7, fig. 9, tables. 0, ref 4, Adobe PDF, Adobe PDF 0 Kb)

Vol. 16 (2013 year), No. 4

Asming V.E., Vinogradov Yu.A., Prokudina A.V.
Modeling of seismic location in three-dimensional media

The description and principle of operation of the Seismic configurator programme developed in the Kola branch of Geophysical Survey of RAS have been presented. The programme allows a user to specify 3D seismic medium velocity models, to locate seismic events and to model location errors caused by uncertainties of travel time models and onset picking errors. A new approach to modeling (the seismic medium is replaced by a random graph consisting of large number of vertices and edges) has been applied. Models have been specified by a simple parameters description language.

(in Russian, стр.6, fig. 8, tables. 0, ref 3, Adobe PDF, Adobe PDF 0 Kb)