Zobrazeno 1 - 10
of 65
pro vyhledávání: '"ali ghasemian"'
Publikováno v:
BioResources, Vol 11, Iss 4, Pp 8720-8738 (2016)
Commercial talc was modified with phthalimide to produce a composite filler, which was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction spectroscopy (XRD), X-ray fluorescence spectroscopy (XRF), and scanning electron
Externí odkaz:
https://doaj.org/article/a2f1bdd591c24e53b3f86f1c1dd2e17a
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 7, Iss 1, Pp 43-54 (2016)
Abstract In this research, physical, biometrical and chemical properties of Prosopis juliflora wood and then physical and mechanical properties of kraft pulp from aforesaid species were investigated and calculated. Dry and critical densities of Proso
Externí odkaz:
https://doaj.org/article/f7ee35bd5bec4aa9952d8b869ee4771b
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 31, Iss 1, Pp 48-57 (2016)
The present study was carried out aiming to investigate the effect of using Deinked Mixed Office Waste Pulp (MOW) on the properties of Alkaline Peroxide Mechanical Pulp (APMP) from cotton stalk. APMP pulps was prepared using chelating agents such as
Externí odkaz:
https://doaj.org/article/13f148bce6134863ab28495cf5be17db
Autor:
mahdiye mazandarani, ali ghasemian, ahmadreza Saraeyan, mahdi mashkour, SeyedRahman Jafari Petroudy
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 1, Pp 1-13 (2015)
In the present study, preparation of cotton stalk (Sahel variety) as one of the common agricultural residues was studied through three stages as Soda-AQ chemical pulping, delignification and alkaline treatment, aiming for the production of cellulose
Externí odkaz:
https://doaj.org/article/307f4992dc1c4440b8ead9e44186cdd3
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 29, Iss 3, Pp 411-421 (2014)
This research was conducted to investigate the bleaching of combined old newspapers (ONP) and old magazines (OMG) deinked pulp using sodium dithionite. The pulp was bleached using 0.5, 0.75, and 1% sodium dithionite and different times of 30, 60 and
Externí odkaz:
https://doaj.org/article/b517f24471564025af7a5f3de814ee60
Autor:
Elahe Mehri, Ali Ghasemian
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 29, Iss 2, Pp 335-345 (2014)
The aim of this study was to investigate biometrical properties of bark, node and internode chemical components of Bamboo phyllostachys pubescens. The results showed, there were significant difference between fiber length of bark, node and internode;
Externí odkaz:
https://doaj.org/article/7a87dceab38c4ee58acdf5ccb2d24533
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 28, Iss 4, Pp 774-794 (2014)
The purpose of this study was to compare the properties of wheat straw (Zagros sp) collected in Golestan province NSSC pulp under alkaline pretreatment with 1% sodium hydroxide and boiling pretreatment. Wheat Straw pretreatment with 1% sodium hydroxi
Externí odkaz:
https://doaj.org/article/98cc4e8da1d14fbbaf01d90db54dffcc
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 4, Iss 2, Pp 45-64 (2013)
Location selection for factory competitiveness in the market place plays an important role and should be chosen so that will leads achievement of the strategic advantages compared with other competitors. The objective of this study was determination
Externí odkaz:
https://doaj.org/article/19029bce604d45dfbe04fa57d16fc2c2
Publikováno v:
BioResources, Vol 8, Iss 1, Pp 31-44 (2013)
Sodium silicate causes problems in papermaking such as deposit formation, decreased retention, and lower sheet strength. Due to these problems, chemical deinking of different recycled papers furnishes including 100% ONP, 80% ONP, and 20% OMG, and a c
Externí odkaz:
https://doaj.org/article/9600b08b952d411794b7fd63e2fd5cdb
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 27, Iss 3, Pp 545-555 (2012)
The main objective of this study was to determine the trends of fiber dimension variation along the longitudinal direction of wheat straw as a criteria for papermaking. Zagross wheat straw was collected from the agricultural and natural resources res
Externí odkaz:
https://doaj.org/article/45851385562749838f8eac8a765b3846