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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. 13 (2010 year), No. 4

Asming V.E., Kremenetskaya E.O., Vinogradov Yu.A., Evtyugina Z.A.
Criteria of explosions and earthquakes identification for estimation of seismic danger of the region

The system of seismic monitoring of the Kola Peninsula and adjacent areas has been described. Criteria of discrimination of explosions and earthquakes have been considered. It is shown that P/S body waves amplitudes ratio that is commonly used for explosion and earthquakes discrimination is not reliable in some cases. It is noticed that spectra of many man-caused seismic events vary slowly in time. A quantitative estimation of a spectrum variance in time has been developed. It can be used as a criterion of man-made events discrimination. Infrasonic signals registered by microbarographs and seismometers after seismic events confirm their explosive origin. Taking into account the criteria we have revised our data base of earthquakes. As a result of retrospective (since 1992) analysis of seismic events of the base an improved picture of seismic activity on the Kola Peninsula and adjacent areas has been developed.

(in Russian, стр.10, fig. 11, tables. 2, ref 3, Adobe PDF, Adobe PDF 0 Kb)

Vol. 16 (2013 year), No. 1

Evtyugina Z.A., Asming B.E.
Features of infiltration water formation in the conditions of airtechnogenic pollution

It has been shown that composition of soil water formed within technologically transformed ecosystems reflects features of streams draining the wooded area. Soil can serve as an additional source of sulfate ions in water. Forest ecosystems soil water composition in the territory of the local impact of emissions from "Severonickel" complex allows to pre-estimate groundwater protection against the penetration of "airtechnogenic" copper and nickel.

(in Russian, стр.8, fig. 4, tables. 5, ref 15, Adobe PDF, Adobe PDF 0 Kb)