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)
Chemical conversion
Identification and comparison of Heavy Metals in the Wood, Bark and Leaves of Planted Plane Tree and Eldar Pine by Using Flame Atomic Absorption Spectroscopic Method

Ramin Vaysi

Volume 39, Issue 3 , October 2024, , Pages 253-267

https://doi.org/10.22092/ijwpr.2024.365063.1769

Abstract
  Background and aim: Every year, large amounts of species adapted to the semi-arid environment of Tehran planted. Meanwhile, planted plane tree (Platanus orientalis) and eldar pine (Pinus Halepensis var. Eldarica) tree in Tehran, in addition to creating a green and lively urban space, can also play a ...  Read More

Chemistry of wood
Identification and Comparison of the Phenolic Chemical Components in Populus nigra and Populus deltoides wood by GC-MS Methods

Ramin Vaysi

Volume 39, Issue 2 , June 2024, , Pages 121-132

https://doi.org/10.22092/ijwpr.2024.364731.1767

Abstract
    Background and aim: As a result of population growth, paper and wood products consumption has increased, and restrictions on using forest wood raw materials initiated the utilization poplar trees as fast-growing spices. The aim of this study was to focus on identification and comparison of the ...  Read More

Pulp and paper
The Effect of nano-Chitosan, nano-Cellulose and DTPA Spray on the Optical Properties of Paper Obtained from Chemical-mechanical Pulp (CMP)

Ramin Vaysi; Iesa Rezazadeh; S. ESHAGH EBADI

Volume 39, Issue 1 , March 2024, , Pages 55-71

https://doi.org/10.22092/ijwpr.2024.364606.1766

Abstract
  Background and aim: Today, with the increase in population, increasing demand for paper, as well as greater restrictions on raw materials, the production of pulp from high-yield pulps and mechanical pulps has found a special place. These pulps have a high yield greater than 85%, but due to the presence ...  Read More

Chemistry of wood
Identification and Comparison of the Phenolic Chemical Components in Wood of Siberian elm, Common elm and Mountain elm trees by GC-MS Methods

Ramin Vaysi; Majid Kiaei; Sayed Sajad Ashrafi; Amin Jourbandian

Volume 38, Issue 3 , September 2023, , Pages 237-249

https://doi.org/10.22092/ijwpr.2023.360650.1737

Abstract
  The aim of this study was accomplished on identification and comparison of the phenolic chemical components in wood of Siberian elm, Common elm and Mountain elm tree. For this purpose, the samples were chosen randomly from of elm trees in Nowshahr's forest region. Then, flour and ash were provided from ...  Read More

Identification and Comparison of the Extractives Chemical Components in Wood and Bark of Planted sycamore Tree (Platanus orientalis) by GC-MS Methods

Ramin Vaysi; Seyed Eshagh Ebadi; Sayed Sajad Ashrafi

Volume 37, Issue 3 , September 2022, , Pages 229-238

https://doi.org/10.22092/ijwpr.2022.358036.1713

Abstract
  Sycamore tree (Platanus orientalis) is one of the species that planted in parks and urban green spaces and forests region of Tehran and other cities in Iran. The aim of this study was to identify and compare the phenolic chemical components ‎in wood and bark of planted sycamore tree. In this study, ...  Read More

Identification and Comparison of Organic Chemical Components in Wood and Bark of Hornbeam and Ironwood Wood by GC-MS Methods

Ramin Vaysi; Mohamad Hossien Habib Porian

Volume 37, Issue 2 , May 2022, , Pages 150-165

https://doi.org/10.22092/ijwpr.2022.355529.1692

Abstract
  The aim of this study was the identification and comparison of organic chemical compounds in wood and bark of hornbeam and ironwood trees. For this purpose, the samples were chosen randomly from heartwood and bark of hornbeam and ironwood trees in Nowshahr's forest region. Then, flour and ash were prepared ...  Read More

Effect of Polyalumium Chloride and Nano-Chitosan Bio-polymeric System on the Optical and Mechanical Properties of Chemi-mechanical Pulp (CMP)

Eysa Rezazadeh; Ramin Vaysi; Mogtaba Soltani; Abdollah Najafi; S. ESHAGH EBADI

Volume 36, Issue 4 , December 2021, , Pages 368-381

https://doi.org/10.22092/ijwpr.2021.353442.1662

Abstract
  This study was aimed to investigate the effect of polyalumium chloride and ‎nano-chitosan on optical and mechanical properties of chemi-mechanical pulp. For this purpose, some of the bleached CMP pulp of Mazandaran Wood and Paper Industries (MWPI) were randomly selected as a control sample. In addition, ...  Read More

The Effect of Using Cationic Starch and Bentonite on Physical and Mechanical Properties of Old Recycled Pulp

Ramin Vaysi; Kiyoumars Vaghari

Volume 36, Issue 4 , December 2021, , Pages 404-416

https://doi.org/10.22092/ijwpr.2021.351574.1631

Abstract
  This study and it aim was accomplished on cationic starch and nano-clay(bentonite) on physical and mechanical properties of old recycled pulp. For this purpose, first some of old recycled pulp were randomly selected from Kaveh Industries in Saveh city as control. Then, nano-clay used in 0, 0.3 and 0.6 ...  Read More

A Study on the Possibility of Identification and Comparison of Metallic Ions and Chemical Components in Wood and Bark of Mulberry tree by Atomic Absorption and GC-MS Methods

Ramin Vaysi; Behrooz Malekian; Masih Masoudifar

Volume 35, Issue 3 , October 2020, , Pages 283-293

https://doi.org/10.22092/ijwpr.2020.351348.1627

Abstract
  The aim of this study was accomplished on identification and comparison of chemical compounds in heart wood and bark of mulberry tree. For this purpose, the samples were chosen randomly from heart wood and bark of mulberry tree in Nowshahr's forest region. Then, flour and ash were provided from heart ...  Read More

Effect of Nano-fibrillated Cellulose and Chitosan Bio-polymeric System on the Optical and Mechanical Properties of Chemi-mechanical Pulp(CMP)

Ramin Vaysi; Yousef Yousefi-golordi

Volume 35, Issue 1 , April 2020, , Pages 61-75

https://doi.org/10.22092/ijwpr.2020.128617.1584

Abstract
  This study was aimed to investigate the effect of cellulose nano-fibers and ‎chitosan on optical and mechanical properties of chemi-mechanical pulp. For this purpose, some of the bleached CMP pulp of Mazandaran Wood and Paper Industries (MWPI) were randomly selected as a control sample. In addition, ...  Read More

Chemistry of wood
A Study on the Possibility of Identification and Comparison of Metallic Ions and Chemical Components in Wood of Persuan maple and Caucasian maple tree by Atomic Absorption and GC-MS Methods

Ramin Vaysi

Volume 34, Issue 3 , November 2019, , Pages 361-371

https://doi.org/10.22092/ijwpr.2019.125647.1536

Abstract
  The aim of this study was accomplished on identification and comparison of chemical compounds in wood of maple tree. For this purpose, the samples were chosen randomly from persuan maple and Caucasian maple tree in Nowshahr's forest region. Then, flour and ash were provided from heartwood, sapwood of ...  Read More

Chemistry of wood
Study on the Possibility of Identification and Comparison of Chemical Components in Wood Alnus Subcordata and Alnus Glutinosa GC-MS Methods

Ramin Vaysi; Farzad Yousefi

Volume 33, Issue 1 , April 2018, , Pages 1-11

https://doi.org/10.22092/ijwpr.2017.110421.1406

Abstract
  The aim of this study was accomplished on identification and comparison of chemical compounds in wood of Alnus subcordata and Alnus subglotinosa. For this purpose, the samples were chosen randomly from Alnus subcordata and Alnus subglotinosa in Nowshahr's forest region. So that, first, flour and extractives ...  Read More

Pulp and paper
Investigation and Comparison of Bagasse Soda Pulps Properties Bleached with Total Chlorine Free (TCF) and Elemental Chlorine Free (ECF) Stages

Ramin Vaysi; Ali reza Bagheri

Volume 32, Issue 4 , November 2017, , Pages 473-485

https://doi.org/10.22092/ijwpr.2017.108836.1377

Abstract
  The objective of this research was accomplished on the effects of total chlorine free (TCF) and elemental chlorine free (ECF) bleaching on optical and mechanical properties of bagasse soda pulps. For this purpose, some unbleached bagasse soda pulps were randomly selected from Ahvaz Pars industry. Then ...  Read More

Pulp and paper
Investigation of Optical and Mechanical Properties of Bleached Chemi-mechanical Pulps (CMP) with Oxygen, Hydrogen Peroxide and Sodium Dithionite Stages

Ramin Vaysi; Mohammad reza Salimifar

Volume 32, Issue 3 , September 2017, , Pages 311-321

https://doi.org/10.22092/ijwpr.2017.105625.1330

Abstract
  This study and it aim was accomplished on the effect of TCF bleaching on optical and mechanical properties of CMP pulp. For this purpose, some unbleached CMP pulps were randomly selected from Mazandaran Wood and Paper Industries (MWPI). Then these pulps were bleached with two and three OP, OPY, PY and ...  Read More

Chemistry of wood
A Study on the Possibility of Identification and Comparison of Metallic Ions and Chemical Components in Wood and Bark of Oak by Atomic Adsorption and GC-MS Methods

Ramin Vaysi

Volume 32, Issue 2 , July 2017, , Pages 275-286

https://doi.org/10.22092/ijwpr.2017.109582

Abstract
  The aim of study was accomplished on identification and comparison of chemical compounds in wood and bark of oak. For this purpose, the samples were chosen randomly from oak in Nowshahr forest region. Then, flour and ash were provided from heart wood, sap wood and bark of oak by TAPPI standards. For ...  Read More

Pulp and paper
Investigation and Comparison of Newsprint Properties from Bleached CMP Pulp of Ash and Orange Woods

Ramin Vaysi; Mohammad Nikkar; Hamidreza Salarian

Volume 31, Issue 4 , January 2017, , Pages 569-580

https://doi.org/10.22092/ijwpr.2016.106287

Abstract
  In this study, the possibility of using ash and orange bleached CMP pulp as replace in the full or part of CMP pulp of Mazandaran Wood and Paper Industries (MWPI) for making newsprint was investigated. For this purpose, first, ash and orange CMP pulps were prepared by using cooking conditions of MWPI ...  Read More

Pulp and paper
The Effect of ECF Bleaching on Optical and Mechanical Properties of Bagasse Soda Pulp

Ramin Veisi; Rabi Behroz; Iman Khajeh Ali

Volume 31, Summer 2 , May 2016, , Pages 349-361

https://doi.org/10.22092/ijwpr.2016.105981

Abstract
  This study and it aim was accomplished on the effect of ECF bleaching on optical and mechanical properties of bagasse soda pulp. For this purpose, some soda unbleached pulps were randomly selected from Pars mill. Then these pulps were bleached with OD(Ep)P and OD(Ep)D stages by oxygen, chlorine dioxide ...  Read More

The Possibility of Using Kiwi Wood Residues for Kraft Pulp and Liner Paper Production

Ramin Veysi

Volume 30, Fall 3 , August 2015, , Pages 408-418

https://doi.org/10.22092/ijwpr.2015.12998

Abstract
  In this research, chips of kiwi residues from western Mazandaran (Tonkabon region) were randomly chosen and its kraft pulp was prepared with yield of 53% for 105 minutes. The kraft liner handsheets were prepared from both kiwi and Chooka Mill kraft pulps (control sample), first in a separate and second, ...  Read More

Pulp and paper
An Investigation and comparison of newsprint properties from Bamboo and Reed CMP Pulps

Ramin Veisi

Volume 30, Summer 2 , August 2015, , Pages 256-265

https://doi.org/10.22092/ijwpr.2015.10782

Abstract
  This research and aim was using Bamboo and Reed CMP pulp for newsprint production. For this purpose, some chips of bamboo stem in the west of Mazandaran were randomly chosen. Then CMP Pulps were prepared at the yield 85%in 120 minutes(Bamboo) and 31 minutes(Reed), by using cooking conditions of Wood ...  Read More

Pulp and paper
A Study on the Possibility of Extraction, Identification and Removal of Metallic Ions and Resins in Bleached Bagass Pulp by ECF Stages

Ramin Veisi; Iman Khajeh ali

Volume 30, SPRING 1 , May 2015, , Pages 72-84

https://doi.org/10.22092/ijwpr.2015.10777

Abstract
  This study and it aim was accomplished on extraction, identification and removal of metallic ions and resins in bleached Bagass pulp by ECF stages. For this purpose, the samples were randomly selected from soda unbleached pulp of Pars mill. The first, pulp flour provided and measured ash and extractive ...  Read More

Chemistry of wood
Extraction, Identification and comparison of Organically chemical components in extractive of bark and wood from Eucalyptus by Gas chromatography - Mass spectrometry

milad tajik; ramin vaysi; majid kiaei

Volume 29, WINTER 4 , February 2015, , Pages 644-652

https://doi.org/10.22092/ijwpr.2014.8480

Abstract
  This research was carried out to identification and comparison of organically chemical component in the wood / bark extractives Eucalyptus camaldulensis. Three healthy trees were cut down from Nowshahr forest and samples were converted into the wood flour. The extractives was prepared with acetone solvent ...  Read More

Comparative GC/MS analysis of chemical components in wood extracts of Sweet Locust and False Acacia

Ramin Vaysi

Volume 28, Issue 4 , January 2014, , Pages 755-762

https://doi.org/10.22092/ijwpr.2014.4465

Abstract
     Sweet locust and False Acacia are important species of northern forests region with wood having good durability. In this study, three disks from each species were randomly cut in Nowshahr forest region. For homogenous sampling, first wood flour was prepared from each disk according to TAPPI ...  Read More