• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 1131
  • 302
  • 164
  • 70
  • 48
  • 29
  • 26
  • 15
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 7
  • Tagged with
  • 2495
  • 597
  • 350
  • 276
  • 228
  • 220
  • 217
  • 196
  • 192
  • 186
  • 156
  • 152
  • 139
  • 125
  • 124
  • 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.
301

Pennsylvania coal fields

Terrell, Arthur D. January 1899 (has links) (PDF)
Thesis (B.S.)--University of Missouri, School of Mines and Metallurgy, 1899. / The entire thesis text is included in file. Holograph [Handwritten and illustrated in entirety by author]. Title from title screen of thesis/dissertation PDF file (viewed June 10, 2009)
302

Evaluation of the effect of temporal variations in flow patterns on capacity design for undergound coal mine belt systems

Wang, Xueming, January 1900 (has links)
Thesis (Ph. D.)--West Virginia University, 1998. / Title from document title page. "December, 1998." Document formatted into pages; contains xiv, 171 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 130-132).
303

An economic evaluation of backfilling in Virginia's coal mines /

Young-On, Harold, January 1990 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1990. / Vita. Abstract. Includes bibliographical references (leaves 142-155). Also available via the Internet.
304

Geotechnical charcterization of coal refuse for use as a backfill material /

Bowman, Charles H., January 1991 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1991. / Vita. Abstract. Includes bibliographical references (leaves 101-115). Also available via the Internet.
305

Combustion emissions from conventional boiler firing coal and tire derived fuel /

Potluri, Srinivas, January 1991 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1991. / Vita. Abstract. Includes bibliographical references (leaves 66-67). Also available via the Internet.
306

Die Entwicklung der Arbeitsproduktivität im deutschen Steinkohlenbergbau 1956-1970 /

Backes, Wilfried. January 1900 (has links)
Thesis (doctoral)--Friedrich-Wilhelm-Universität zu Bonn.
307

Zur Frage der Verfassungsmässigkeit des "Gesetzes zur Anpassung und Gesundung des deutschen Steinkohlenbergbaus und der deutschen Steinkohlenbergbaugebiete" : als Mittel staatlicher Wirtschaftslenkung /

Brocker, Ulrich. January 1900 (has links)
Thesis (doctoral)--Wilhelm-Universität Münster.
308

Rechtsstellung und Aufgaben des Bundesbeauftragten für den deutschen Steinkohlenbergbau und die deutschen Steinkohlenbergbaugebiete /

Brockhoff, Arne. January 1973 (has links)
Thesis (doctoral)--Wilhelm-Universität Münster/Westfalen.
309

Handelsgebräuche im Kohlenhandel /

Eckert, Hans. January 1900 (has links)
Thesis (doctoral)--Friedrich-Alexander-Universität zu Erlangen.
310

Sintering and slagging of mineral matter in South African coals during the coal gasification process

Matjie, Ratale Henry January 2008 (has links)
Thesis (PhD.(Metallurgy)--University of Pretoria, 2008. / Includes bibliographical references.

Page generated in 0.0251 seconds