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Pulp and paper
The influence of pre-hydrolysis on the delignification of Hornbeam wood

Abdolrahim Mohebalian; Ahmad Jahan latibari; Ajang Tajdini; Shadman Pourmosa

Volume 33, Issue 3 , September 2018, , Pages 359-369

https://doi.org/10.22092/ijwpr.2018.120886.1465

Abstract
  In this research, the influence of two temperatures (60 and 90°C) and three dosages of sodium hydroxide (5, 7.5 and 10%, based on the dry weight) on hornbeam wood chips alkaline pre-hydrolysis and soda pulping was studied. Soda pulping of both pre-hydrolyzed and control chips were conducted applying ...  Read More

Effect of ink and paper characteristics on print quality in board-packaging industries based on print density index.

Khodadad Malmir cheghini; Mohammad Talaeipoor; Shademan Pormosa

Volume 26, Issue 1 , March 2011, , Pages 39-57

https://doi.org/10.22092/ijwpr.2010.117262

Abstract
  Paper and ink characteristics effect on print density were investigated.  For this purpose three types of papers and four types of printing inks at 2 viscosities levels (25-30, 50-55) were used. Then characteristics of paper & ink were measured. Inks on sampled papers Printed and then printing ...  Read More