• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 604
  • 79
  • 25
  • 19
  • 18
  • 18
  • 18
  • 18
  • 18
  • 18
  • 18
  • 5
  • 3
  • 3
  • 1
  • Tagged with
  • 884
  • 884
  • 313
  • 225
  • 210
  • 203
  • 130
  • 109
  • 109
  • 103
  • 92
  • 75
  • 62
  • 61
  • 60
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
181

Benefit-cost analysis applied to the slope design of steeply dipping, multiple seam coal deposits

Wolff, Steven Fred January 1978 (has links)
No description available.
182

Elements affecting the investment values in a small tungsten mine in Mexico

Strickler, Glen Wood, 1895- January 1948 (has links)
No description available.
183

Surface chemistry of coal flotation systems

Kelebek, Sadan. January 1980 (has links)
No description available.
184

A cost benefit analysis of a custom mill for small copper mines in northern Chile/

Henríquez, Luis Nelson January 1974 (has links)
No description available.
185

An economic analysis of gold supply in the Province of Quebec /

Buck, Malcolm K. January 1985 (has links)
No description available.
186

Economic evaluation of the development of salt mining and related processing facilities in Thailand

Sethaput, Vissut January 1974 (has links)
No description available.
187

Microbiology of fly ash-acid mine drainage co-disposal processes.

Kuhn, Eloise M. R. January 2005 (has links)
The waste products acid mine drainage formed during coal mining and fly ash from coal burning power generation, pose substantial environmental and economic problems for South Africa. Eskom has developed a remediation system employing alkaline fly ash to neutralize and precipitate heavy metals from toxic acidic acid mine drainage streams. The aim of this study was to assess the microbial diversity in and microbial impact on this remediation system.
188

The role of long-chain trithiocarbonates in the optimisation of Impala Platinum's flotation circuit

Vos, Cornelius Francois. January 2006 (has links)
Thesis (M.Eng.)(Metallurgical)--University of Pretoria, 2006. / Includes summary. Includes bibliographical references. Available on the Internet via the World Wide Web.
189

A CAD approach to optimize underground mine design and planning

Sridhar, Chaluvadi K. January 1986 (has links)
Thesis (M.S.)--Ohio University, June, 1986. / Title from PDF t.p.
190

A CAD approach to optimize underground mine design and planning

Sridhar, Chaluvadi K. January 1986 (has links)
Thesis (M.S.)--Ohio University, June, 1986. / Title from PDF t.p.

Page generated in 0.0885 seconds