Articles

• Reduction of sulphate content from coated alumina SO²⁺₄Al₂O₃ /AL (oxide layer) by the hydrogen spillover

  B Woldeyes

  1-7

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• Performance criteria for structural concrete

  A Dinku

  8-16

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• A monte carlo comparison of parametric and nonparametric estimation of low flow frequencies

  H Adugna

  17-27

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• Reactive power management in electric power systems - A case study: EELPA 's system

  F Shewarega

  28-32

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• A FEM analysis of a flexible manipulator(ARM)

  A Bazezew

  33-38

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• Non-stationary vibrations of mechanical systems with slowly varying natural frequencies during acceleration through resonance ( Approximate analytic solution)

  L Fisseha

  39-44

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