Zeta potential control for simultaneous enhancement of penetration rates and bit life in rock drilling

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245 0 0 ‡aZeta potential control for simultaneous enhancement of penetration rates and bit life in rock drilling / ‡cby William H. Engelmann ... [et al.].
260 ‡a[Avondale, Md.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1987.
300 ‡a18 p. : ‡bill., tables ; ‡c28 cm.
490 0 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v9103
504 ‡aBibliography: p. 17-18.
538 ‡aMode of access: Internet.
650 0 ‡aZeta potential.
650 0 ‡aRock-drills.
650 0 ‡aBoring.
700 1 ‡aPahlman, J. E. ‡q(John E.)
700 1 ‡aTuzinski, Patrick A.
700 1 ‡aWatson, Pamela J.
700 1 ‡aEngelmann, William H.
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