Comparative study of delignification efficiency and pulp yield of heart wood and sap wood of Populus deltoids by kraft and soda processes [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2010 Comparative study of pulp yield of sap wood and heart wood of Populus deltoides under both Kraft and soda cooking process have been showed that the heart wood pulp has a lower yield than that of sap wood pulp.
Somayeh Ghasemi, Ahmad reza Saraeyan
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Pulping characteristics of Populus triplo wood [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2009 In this reseach, chemical, anatomical and pulping properties of 12 years old Populus.triplo of adapting plan and quantity properties of this tree from karaj research station were investigated.The average of fiber length ,diameter ,lumen and thickness of ...
Abbas Fakhryan roghani +5 more
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Investigating the effect of using oxygen delignification process on kenaf bast kraft pulp properties [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2018 The first act to ameliorate bleaching process is the major elimination of lignin. Actually, the use of oxygen delignification stage before bleaching process is the essential stage in improving bleaching process and reducing process emission.
Farhad Zeinaly +3 more
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Investigation on Soda-Anthraquinone Pulping of Rapeseed Straw [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2009 This research is aimed to study the possibility of rapeseed straw (Hayolla401) pulping and its paper characteristics, using Soda-AQ process. The average fiber length was found 1.04 millimeter and the average fiber diameter, lumen and thickness were found
Said mohammad Mazhari mosavi +4 more
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Comparison on the characteristics of Salix nigra Kraft and Soda pulp and paper [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 In this study pulp and hand sheets paper characteristics of Salix nigra wood kraft and soda pulp and paper were investigated. Average density of dry and bulk density wood were determined 0.35 and 150 kg/m3 and average fiber dimension consist of fiber ...
Lila Karami motaghi +2 more
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Investigation on TCF Bleaching of Tobacco stalk ( Nicotiana tabacum L.'Coker 347') Soda Pulp [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 In this study the effect of different values of peroxide in three levels 3%, 4%, 5% and sodium hydroxide in two levels 2%, 3%, on bleaching of tobacco stalks ( Nicotiana tabacum L. 'PVH 19') soda pulp was investigated.
Seyed_Pedram Hashemi +2 more
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The effects of hot water pre-extraction and alkaline catalyzed on soda-AQ pulping of kenaf whole stem [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2011 In the present study the effects of hot water pre-extraction and alkaline catalyzed were evaluated on soda-aq pulping of kenaf whole stem. In this respect, following kenaf chips pre-extraction at various temperature and time conditions, pulp preparation ...
Mohammad taghi Asdolah zadeh +2 more
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Comparative Investigation on the properties of Soda and Soda-Ethanol pulps from three hardwoods [PDF]
تحقیقات علوم چوب و کاغذ ایران, 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 50 ...
Hosein Valayi, Ahmad Jahan Latibari
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Elman Network in Kappa Number Prediction
IFAC Proceedings Volumes, 2009 Abstract Abstract Variations in the pulp quality are mainly due to variations in the quality of wood chips used for pulping. Moisture content of chips, chip size and chip composition vary, and the measurements to reflect these variations do not always exist.
openaire +1 more source
TNFAIP3 (A20) is a tumor suppressor gene in Hodgkin lymphoma and primary mediastinal B cell lymphoma
, 2009 Proliferation and survival of Hodgkin and Reed/Sternberg (HRS) cells, the malignant cells of classical Hodgkin lymphoma (cHL), are dependent on constitutive activation of nuclear factor {kappa}B (NF-{kappa}B).
Inga Vater +25 more
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