An evaluation of groundwater at the Gays River Mine, Halifax County, Nova Scotia

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Publication: CIM Bulletin
Auteur(s): Thomas J. Ferree
Numéro: 975
Volume: 86
Année: 1993
Texte
Sommaire: Designs, installation procedures and performance characteristics of martensitic cast steel concaves are reviewed. Longer wear life, fewer pieces to install and eliminating the need to scarf joints are the principal benefits of using martensitic steel to replace austenitic 12% Mn (Hadfield's) steel, the traditional concave material for large gyratory crushers. Installation procedures that reduce the risk of breakage are described. Operating practices that affect concave performance are also...
Publication: CIM Bulletin
Auteur(s): James L. Parks, David M. Kjos
Numéro: 975
Volume: 86
Année: 1993
Texte
Sommaire: Because of the availability of powerful industrial computers which collect huge amounts of real-time data in mineral processing plants, there is a need for efficient methods to extract relevant information from them. Multivariate statistical techniques, such as principal components analysis (PCA) and projection to latent structures (PLS), are well suited to analyze these large sets of noisy and ill-conditioned data. The power of PCA and PLS is illustrated on historical data from a grinding...
Publication: CIM Bulletin
Auteur(s): D. Hodouin, J.F. MacGregor, M. Hou, M. Franklin
Numéro: 975
Volume: 86
Année: 1993
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