Volume 39 (2024-2025)
Volume 38 (2023-2024)
Volume 37 (2022-2023)
Volume 36 (2021-2022)
Volume 35 (2020-2021)
Volume 34 (2019-2020)
Volume 33 (2018-2019)
Volume 32 (2017-2018)
Volume 31 (2016-2017)
Volume 30 (2015-2016)
Volume 29 (2014-2015)
Volume 28 (2013-2014)
Volume 27 (2012-2013)
Volume 26 (2011-2012)
Volume 25 (2010-2011)
Volume 24 (2009-2010)
Volume 23 (2008-2009)
Volume 22 (2007-2008)
Volume 21 (2006-2007)
Volume 20 (2005-2006)
Volume 19 (2004-2005)
Volume 18 (2003-2004)
Volume 17 (2002-2003)
Volume 16 (2002-2003)
Volume 15 (2001-2002)
Volume 14 (2001-2002)
Volume 13 (2001)
Volume 12 (2000-2001)
Volume 11 (2000-2001)
Volume 10 (2000-2001)
Volume 9 (2000)
Volume 8 (1999)
Volume 7 (1999)
Volume 6 (1998)
Volume 5 (1998)
Volume 4 (1997)
Volume 3 (1997)
Volume 2 (1996)
Volume 1 (1995)
Management and Economics wood
Water repelling Populus Alba by emulsion of paraffin, Quaternary ammonium and hydrated starch

Eiraj Mansoryar; Alinaghi Karimi; Ghanbar Ebrahimi; Ahmad Mirshokraei; Sohrab Rahimi

Volume 25, Issue 2 , September 2018, , Pages 211-222

https://doi.org/10.22092/ijwpr.2010.117290

Abstract
  The water repellency and dimensional stabilization of wood species are important for outdoor uses. In this study, the water absorption and water repelling of poplar wood (Populus Alba) by emulsion of paraffin, Quaternary ammonium and starch, were investigated. Paraffin in three levels of 0%, 3%, 5%, ...  Read More

Management and Economics wood
Investigation on the influence of nutrients and treatment period on enzyme activities of Phanerochaete chrysosporium

Meraj Sharari; Ahmad Jahan latibari; Gholamreza Rafiei; Ahmad Mirshokraei

Volume 25, Issue 2 , September 2018, , Pages 275-290

https://doi.org/10.22092/ijwpr.2010.117314

Abstract
  In the course of enhanced bioremediation, addition of nutrients such as carbon, nitrogen, phosphorous, etc, substrates, electron acceptors as well as vitamins (Thiamin, etc) and veratryl alcohol, increased metabolic activities, will influence the production of enzymes and enhances the deterioration of ...  Read More

Investigation on the properties of totally chlorine free bleached soda - oxygen pulp from old corrugated container

Vahid Delnavaz; Ahmad Jahan latibari; Ahmad Mirshokraei; Sead Javad Sepide dam

Volume 27, Issue 2 , June 2012, , Pages 256-266

https://doi.org/10.22092/ijwpr.2012.117065

Abstract
  Soda - oxygen pulping of old corrugated container to produce totally chlorine free bleached pulp was investigated. In order to reach the optimum delignification condition; four levels of sodium hydroxide (9, 11, 13, and 15 %), three cooking times (90, 120, and 150 minutes) and two cooking temperatures ...  Read More

Chemistry of wood
Investigating the Effect of Structural Changes of Alkali Lignins Caused by Reduction and Methylation Reaction on the Optical Characteristics of Lignin-Containing Papers

Ahmad Mirshokraei

Volume 26, Issue 1 , March 2011, , Pages 10-25

https://doi.org/10.22092/ijwpr.2010.117260

Abstract
  In this study, changes in optical behavior of poplar Kraft lignin and bagasse Soda lignin, before and after reducing with sodium borohydride and sodium hydrosulfite (dithionite) and also after methylation using dimethyl sulfate, was monitored by measuring optical indices (brightness, k/s, whiteness and ...  Read More

Pulp and paper
Study of Organic Bases Potential in Bagasse Pulping

Aghdas Sadeghi; Ali Abdolkhani; Yahya Hamzeh; Ahmad Mirshokraei; Alinaghi Karimi

Volume 22, Issue 2 , September 2008, , Pages 73-80

https://doi.org/10.22092/ijwpr.2007.117427

Abstract
  In this study the pulping of bagasse using TMAH and EDA as organic bases was investigated and compared to conventional Soda and Soda-AQ bagasse pulping. Resulting pulps properties including Kappa number, reject, screen yield of pulp and optical and mechanical properties of handsheets prepared from them ...  Read More