Study Using Different Adsorbents Materials in Purification of Waste Lubricating Oil
Study Using Different Adsorbents Materials in Purification of Waste Lubricating Oil

T.M. Hameed; M.M. Khudhair; A.T. Jafar; A. Asaad; W. Nifal; J. Huseen

Volume 35, 1C , January 2017, , Page 183-190

https://doi.org/10.30684/etj.35.1C.15

Abstract
  The ash and residues of carbon materials, asphalt, water and dust are the main pollutants that result from the use of lubricating oils, which have serious effects on human health and ...  Read More ...
A Restriction Enzyme from Escherichia coli Purification and General Properties
A Restriction Enzyme from Escherichia coli Purification and General Properties

Mukaram Shikara; Nadia Tariq Barakat; Maysem Modaffer Al-Obaidy

Volume 27, Issue 5 , March 2009, , Page 954-961

https://doi.org/10.30684/etj.27.5.9

Abstract
  An endonuclease restriction enzyme has been purified from E. coli about 40-fold withDNAse and RNAse recoveries of about 3%. The purification steps included precipitationof the enzyme ...  Read More ...