Zobrazeno 1 - 10
of 170
pro vyhledávání: '"Ahmad Jahan latibari"'
Autor:
Sina Mohammadi Nematabad, Shademan Pourmousa, Ajang Tajdini, Ahmad Jahan Latibari, Amir Lashgari
Publikováno v:
BioResources, Vol 18, Iss 1, Pp 382-399 (2022)
Factors of manufacturing sustainability in the papermaking industry were identified and ranked using qualitative analysis and nonparametric tests. Based on a review of the literature on sustainable development and production, seven main factors of ec
Externí odkaz:
https://doaj.org/article/d9bdabec3de94d6bacfe47f20d6e47e9
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 33, Iss 3, Pp 359-369 (2018)
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-h
Externí odkaz:
https://doaj.org/article/46520f95021c4e969788097c6f87fd04
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 32, Iss 4, Pp 541-552 (2017)
This study was carried out to investigate the effect of storage time and moisture content of bagasse on the physical and mechanical properties of particleboard. For this purpose, wet depitting bagasse was used and samples were maintained in bailing s
Externí odkaz:
https://doaj.org/article/105c98cfb81447a5abc11750b8e9a23b
Publikováno v:
BioResources, Vol 11, Iss 2, Pp 4850-4864 (2016)
The effects of acid copper chromate (ACC) and hydrothermal treatments were determined relative to the hardness, decay resistance, and dimensional stability of poplar wood. Test specimens, prepared from poplar wood (Populus nigra L.), were first heat-
Externí odkaz:
https://doaj.org/article/2af3ebbb1fc1477b870c2480e97a3542
Autor:
Seyyed Khalil Hosseinihashemi, Mohamed Z. M. Salem, Sayed Khosrow HosseinAshrafi, Ahmad Jahan Latibari
Publikováno v:
BioResources, Vol 11, Iss 2, Pp 3890-3903 (2016)
Extracted wood samples of Fagus orientalis with different solvents were analyzed for their antifungal activity against white-rot fungus (Trametes versicolor) in an agar plate. The most active extract was analyzed for its antioxidant activity by the 1
Externí odkaz:
https://doaj.org/article/acd18314923e4bc28270436c7b28bab5
Autor:
Farhad Arwinfar, Seyyed Khalil Hosseinihashemi, Ahmad Jahan Latibari, Amir Lashgari, Nadir Ayrilmis
Publikováno v:
BioResources, Vol 11, Iss 1, Pp 1494-1504 (2015)
The effect of thermal-treatment severity of wood on the mechanical and morphological properties of wood plastic composites (WPCs) was investigated. Wood chips were first heat treated at 120, 150, or 180 ºC for 30 or 120 min under saturated steam in
Externí odkaz:
https://doaj.org/article/40329cfa9d7645758df8a28fe1089988
Autor:
Hosein Valayi, Ahmad Jahan Latibari
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 3, Pp 399-407 (2015)
Strength properties and the yield of soda and soda-ethanol pulps produced using hornbeam, beech and poplar woods were investigated. Soda pulps were produced applying 20% active alkali and the soda-ethanol pulps were made using 10% active alkali and 5
Externí odkaz:
https://doaj.org/article/4713a23bd73544a39f6fb3c04fdabccd
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 2, Pp 243-255 (2015)
AbstractAmong the forest diseases, fungi are the most important factors that cause irreparable losses to the wood in standing trees and logs. Fungi are the cause of contamination and decay of trees and timbers in forest or in the stock of factories.
Externí odkaz:
https://doaj.org/article/efa6e3f7bc4241a9a3d0135eefd785f1
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 2, Pp 183-193 (2015)
In this research the effect of softwood cellulose fibers surface characteristics on mechanical properties of cellulose fibers / polypropylene composite (W.P.C) was studied. The fibers were refined to modify the surface characteristics and reach four
Externí odkaz:
https://doaj.org/article/f0c18fdd5aaa401690e3216d5fa8e6d6
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 1, Pp 26-36 (2015)
The influence of different dosages of surfactant and soap in the deinking of wastepaper is investigated. The results showed that the dosage of 0.25% soap generated highest brightness and lowest opacity. However, the dosage of 0.75% soap produced high
Externí odkaz:
https://doaj.org/article/fae11de15a11451eb884f25e789af205