Volume 10, Issue 4

 

ارسال های اخیر

  • Determination of Blasthole Parameters Based on Field Results (TECHNICAL NOTE). 

    Osanloo, M. (Materials and Energy Research Center, 1997-11-01)
    Correct selection of coefficients for blasthole parameters in Ghalat limestone mine in Shahr-e-kord of Iran has resulted is designing and performing 20 blasting operations. After each blast, fragmented rocks larger than ...

  • Vibration of Road Vehicles with Non linear Suspensions 

    Nakhaie-Jazar, G.؛ Esmailzadeh, E.؛ Mehri, B. (Materials and Energy Research Center, 1997-11-01)
    In order to investigate the effects of non-linear springs in vibrating behavior of vehicles, the independent suspension of conventional vehicles could be modeled as a non-linear single degree of freedom system. The equation ...

  • Heat Transfer Calculation in the Firebox of the Ethylene Plant Furnaces (RESEARCH NOTE). 

    SadrAmeli, M. (Materials and Energy Research Center, 1997-11-01)
    The thermal cracking of hydrocarbons for olefin production is carried out in long tubular reactors inserted in a furnace, in this process the heat flux along the reactor wall determines the feedstock conversion, the olefin ...

  • A Multivariate Quality Control Procedure in Multistage Production Systems 

    Moeinzadeh, B.؛ Niaki, S.T.A. (Materials and Energy Research Center, 1997-11-01)
    In this paper a multivariate quality control procedure is offered in which several correlated stages are present in production systems and in each stage there are several correlated control variable. Using Hotelling's T2 ...

  • A Robust Strucutural Fingerprint Restoration 

    Ghassemian, Hassan (Materials and Energy Research Center, 1997-11-01)
    Fast and accurate ridge detection in fingerprints is essential to each AFIS (Automatic Fingerprint Identification System). Smudged furrows and cut ridges in the image of a finger print are major problems in any AFIS. This ...