L.V. Tymoshenko, S.A. Us
Theoretical and methodical principles of management of nature protection costs level at the underground method of iron-ore field elaboration are developed. The management of costs is carried out on the basis of economicalmathematical model depending on composition and cost of mixture components on mortgage of mined-out space.
2010_07-08 Tym | |
2012-12-14 187.96 KB 912 |