Hakutulokset - "Circular"
Aihe-ehdotuksia
Aihe-ehdotuksia
- Mines and mineral resources 16
- Coal mines and mining 14
- Metallurgy 12
- Analysis 10
- Environmental aspects 10
- Mineral industries 10
- Mining machinery 8
- Testing 8
- Data processing 7
- Costs 6
- Reclamation of land 6
- Mathematical models 5
- Mine fires 5
- Mine subsidences 5
- Safety measures 5
- Strip mining 5
- Aluminum 4
- Economic aspects 4
- Equipment and supplies 4
- Longwall mining 4
- Measurement 4
- Mine roof control 4
- Mining engineering 4
- Precious metals 4
- Aluminum oxide 3
- Automation 3
- Coal 3
- Cobalt industry 3
- Combustion gases 3
- Computer programs 3
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141
Chromium availability in market economy countries and network flow model analysis of world chromium supply /
Julkaistu 1991“…Information circular (United States. Bureau of Mines) ;…”
Kirja
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142
Economic evaluation of an electrolytic process to recover lead from scrap batteries /
Julkaistu 1986“…Information circular (United States. Bureau of Mines) ; 9071…”
Kirja -
143
The enrolment of non-national undergraduate students at post-secondary education/training institutions in Papua New Guinea /
Julkaistu 1982“…Director's circular (Papua New Guinea. Office of Higher Education) ;…”
Kirja -
144
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145
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146
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147
Proceedings of the Workshop on Techniques for Measurement of Thermodynamic Properties, August 21-23, 1979, Albany Research Center, Albany Oregon
Julkaistu 1980“…Information circular…”
Kirja -
148
Noise and vibration control for surface mines program document
Julkaistu 1982“…Information circular…”
Kirja -
149
Economic and technical evaluation of the sulfurour acid-caustic purification process for producing alumina from kaolinitic clay
Julkaistu 1983“…Information circular…”
Kirja -
150
Cost estimate of the Bayer process for producing alumina, based on 1982 equipment prices
Julkaistu 1983“…Information circular…”
Kirja -
151
Costs and effects of environmental protection controls regulating U.S. phosphate rock mining
Julkaistu 1983“…Information circular…”
Kirja -
152
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153
Electron microscopy studies of explosion and fire residues
Julkaistu 1983“…Information circular…”
Kirja -
154
Phosphate rock availability--domestic a minerals availability program appraisal
Julkaistu 1983“…Information circular…”
Kirja -
155
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156
Evaluation of alumina extraction from coal waste composition and availability
Julkaistu 1983“…Information circular…”
Kirja -
157
Methods for characterizing manganese nodules and processing wastes
Julkaistu 1983“…Information circular…”
Kirja -
158
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159
Thermodynamic properties of selected transition metal sulfates and their hydrates
Julkaistu 1982“…Information circular…”
Kirja -
160
Preliminary testing of a prototype portable X-ray fluorescence spectrometer
Julkaistu 1982“…Information circular…”
Kirja