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Träfflista för sökning "WFRF:(Rao R) srt2:(1995-1999)"

Sökning: WFRF:(Rao R) > (1995-1999)

  • Resultat 1-5 av 5
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1.
  • Meenakshi, S, et al. (författare)
  • High-pressure studies on YNi2B2C at room temperature
  • 1998
  • Ingår i: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMERICAN PHYSICAL SOC. - 0163-1829. ; 58:6, s. 3377-3380
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • The electronic and lattice structure, and equation of state behavior of YNi2B2C has been investigated by electrical resistivity, thermoelectric power, and angle-dispersive x-ray-diffraction measurements. The electrical resistance under pressure has also b
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3.
  • Patnaik, Nivedita, et al. (författare)
  • Removal of calcium and iron oxides from bauxite for use in refractory industry
  • 1996
  • Ingår i: Erzmetall. - 0044-2658. ; 49:9, s. 555-558
  • Tidskriftsartikel (refereegranskat)abstract
    • A laboratory scale acid process for the leaching of calcium and iron oxid from a bauxite deposit by hydrochloric acid have been studies at diluted solid liquid phase concentration in a magnetically stirred reactor. The different parameters such as acid strength, temperature, time, solid liquid ratio etc. on two different particles size have been studied. The results have been applied to a model {1-(1-α)1/3}2 = kt. The activation energy found for size fraction below 1.0mm size is 84.3 KJ/mole
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5.
  • Rao, R. Bhima, et al. (författare)
  • Effect of polymers as dispersing agents on dry grinding of dolomite
  • 1997
  • Ingår i: Metals Materials and Processes. - 0970-423X. ; 9:1, s. 49-56
  • Tidskriftsartikel (refereegranskat)abstract
    • During ultrafine grinding the particles tend to agglomerate or coat on the media and mill liners. The literature reveals that some of the grinding aids favour to disperse the particles and improve the grinding performance. This paper presents the experimental results on the use of different dispersing agents for dry grinding of dolomite filler. Among the additives used, PMMA & PS polymers and few acetates enhanced the product fineness. However, the periodic addition of grinding additive, a case study with ester at a rate of 0.2% by weight to the feed has shown more beneficial effect in grinding performance. Studies with polymers are in progress
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  • Resultat 1-5 av 5

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