Résultats de la recherche - "Report of Investigations (United States. Bureau of Mines)"

  1. 301

    Froth flotation collision efficiencies in strong force fields / par Karr, C. L. (Charles L.)

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  2. 302

    Laser tracking and tram control of a continuous mining machine / par Anderson, Donna L.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  3. 303

    Electrolytic production of calcium metal / par Lukasko, J. J.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  4. 304

    Pressure leaching of galena concentrates to recover lead metal and elemental sulfur / par Lee, A. Y.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  5. 305

    Comparison and models to evaluate in situ shield loading / par Barczak, Thomas M.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines)…”
    Inconnue
  6. 306

    Evaluation of field-applied lubricants to increase wire rope life / par Fraley, J. E., 1947-

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  7. 307

    Laboratory evaluation of quartz dust capture of irrigated-filter collection systems for continuous miners /

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  8. 308

    True uniaxial compressive strengths of rock or coal specimens are independent of diameter-to-length ratios / par Babcock, C. O.

    Publié 1990
    “…Report of Investigations (United States. Bureau of Mines) ;…”
    Inconnue
  9. 309

    Laboratory testing of the CSE SR-100 self-contained self-rescuer for ruggedness and reliability /

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  10. 310

    Sealed flask test for evaluating the self-heating tendencies of coal / par Miron, Yael

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  11. 311

    Characterization of the rare-earth mineralogy at the Pea Ridge Deposit, Missouri / par Whitten, C. W.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  12. 312

    Leaching of pyroxmangite ore with calcium fluoride and sulfuric acid / par Droes, S. R.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines)…”
    Inconnue
  13. 313

    Evaluation of ultrasonic measurement systems for bolt load determinations / par Tadolini, Stephen C.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  14. 314

    Method for predicting equilibrium values in the solvent extraction of nickel in ammoniacal systems / par Russell, J. H. (James H.)

    Publié 1991
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  15. 315

    Recovery of sulfur from phosphogypsum : conversion of calcium sulfate to calcium sulfide / par Ragin, Margaret M.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  16. 316

    Mitigating destructive longwall bumps through conventional gate entry design /

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  17. 317

    Genetic algroithm applied to least squares curve fitting / par Karr, C. L. (Charles L.)

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  18. 318

    Flywheel-powered shuttle car / par Bartels, John R.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  19. 319

    Probability of making a successful mine escape while wearing a self-contained self-rescuer--a computer simulation / par Kovac, John

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Inconnue
  20. 320

    An improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen / par Bibawy, Nabil A.

    Publié 1990
    “…Report of investigations (United States. Bureau of Mines);…”
    Inconnue