Some regularities in the relationship between indices of quality and properties of coal seams.
Authors:
About authors
- Saint Petersburg Mining University
Abstract
On the basis of a statistical analysis are established of regularity of distribution of ash content and true density for coal of the different types, for deferent deposits of Russia.
Область исследования:
(Archived) Without section
Similar articles
Analytical methods for calculation of basic parameters of the displacement trough in the construction of tunnels in Cambrian clays
2001 E. M. Volokhov, S. P. Pavlov
On the calculation of orbits of spacecrafts equipped with receiving devices GLONASS/GPS
2001 A. I. Yakovlev, N. N. Yakovlev, I. V. Stepanov
Surface subsidence of the contact of Proterozoic clays with detritus in construction of subway in Saint Petersburg
2001 D. A. Potemkin, E. E. Martirosyants