Search

Results:

Vol. 12 (2009 year), No. 4

Rakayev A.I., Alekseyeva S.A., Morozova T.A., Chernousenko Ye.V.
A study of the ilmenite-ritano-magnetite ores mineral composition, the South-East Gremyakha, and the choice of

The article presents the results of development for computer-aided planning in open-pit mines with the system of mining design and planning – MINEFRAME. There have been shown such peculiarities of computer-aided planning process as horizon reserves, development of annual cutbacks, searching of quarterly (monthly) volumes, scheduling of equipment operation placed on benches, solution of the problems of ten-day periods – daily and by shifts planning based on bench modeling.

(in Russian, стр.5, fig. 2, tables. 1, ref 7, Adobe PDF, Adobe PDF 0 Kb)

Vol. 12 (2009 year), No. 4

Rakayev A.I., Neradovsky Yu.N., Chernousenko Ye.V., Morozova T.A.
Mineralogical and technological investigations of low-grade serpentinite copper-nickel ores, the Pechenga ore body

Using methods of nuclear reactors physics the phenomenon of potential criticality has been studied within the framework of the concept of geologic repository of the non-processible spent nuclear fuel of the ship nuclear power installations. For the fractured rock mathematical model the minimum thickness of fissile material (UO2) on cracks' surface conforming to critical masses of heterogenous deposits have been determined. The scenario of autocatalytic criticality originated by change of a climate and developed at the expense of heating of medium, and water-transport from pores and cracks of rock has been described. The conclusion about preferability of the concept of termporary storage of non-processible spent nuclear fuel has been made.

(in Russian, стр.6, fig. 4, tables. 2, ref 7, Adobe PDF, Adobe PDF 0 Kb)