Spelling suggestions: "subject:"goal lines anda mining"" "subject:"goal lines ando mining""
41 |
Der kohlenbedarf des staates und seine deckungKoerper, Willy, January 1913 (has links)
Inaug.-diss.--Heidelberg. / Curriculum vitae. "Literatur": p. [7]-8.
|
42 |
Documenting reclamation and closure of Ermelo coal mines implications for national strategy for mine reclamation in South Africa /Tshivhandekano, Aubrey Ndinannyi. January 2004 (has links)
Thesis (M.A.)(Geography)--University of Pretoria, 2004. / Title from opening screen (viewed on 12 December 2005). Includes bibliographical references.
|
43 |
Die Verhältnisse des Kohlenbergbaues in den Vereinigten Staaten mit besonderer Bezugnahme auf die Lage der Bergarbeiters seit dem Jahre 1885George, John Edward, January 1899 (has links)
Inaug.-Diss.--Halle. / Vita. Includes bibliographical references.
|
44 |
Living with the legacy of coal a study of Appalachian women's perceptions of the coal industry /Runser-Turner, Caroline M. January 2005 (has links)
Thesis (M.A.)--Ohio University, August, 2005. / Title from PDF t.p. Includes bibliographical references (p. 100-108)
|
45 |
Die optimale benutting van Suid-Afrikaanse uitskotsteenkoolGrobbelaar, Christiaan Johannes 26 May 2014 (has links)
M.Phil. ( Energy Studies) / Please refer to full text to view abstract
|
46 |
Geological controls for coal exploration and miningNoppé , Mark Adrian January 1992 (has links)
The identification and interpretation of geological features is essential for the planning and ultimate success of any mining venture. Examples of geological features significant for mining are presented, and their identification during exploration discussed. In particular, the importance of coal qualities, seam thickness and seam elevation are emphasised in relation to longwall mining. Geostatistical analysis provides a powerful tool for improving the prediction and decision-making capabilities of both exploration and mine geologists. The availability of geostatistics, and the benefits resulting from its application, are demonstrated using actual data for calorific value, seam thickness and seam elevation. Contamination of run-of-mine coal is a common problem on highly-mechanised collieries. The problem generally arises from over-cutting of the designated mining horizon. A practical system for monitoring and controlling contamination on a mechanised bord-and-pillar and longwall colliery is presented. The results and benefits of applying such a system are cited for an actual longwall colliery. Numerical geological predictions are not always reported in terms of the reliability of such estimates. Many of these values can be reported in terms of confidence limits, particularly for routine grade control purposes. The methods and benefits of such reporting are described and illustrated by way of examples for calorific value and contamination levels.
|
47 |
The mining of South African thick coal seams: rock mechanics and mining considerationsGalvin, James Maurice 16 March 2015 (has links)
No description available.
|
48 |
The history of English coal mining, 1500-1700Moller, Asta Winifred Russell January 1933 (has links)
No description available.
|
49 |
A MODEL FOR COAL DEVOLATILIZATION AND ITS APPLICATION.Jablonsky, Catherine Mary. January 1984 (has links)
No description available.
|
50 |
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.
|
Page generated in 0.1376 seconds