Results 91 to 100 of about 869 (159)

بررسی ویژگی‏های چندسازه چوب–پلاستیک تهیه‎شده ازمخلوط آرد چوب و پلی‏کربنات بازیافتی (لوح‏های فشرده مستعمل) [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2017
اکسترودر دو مارادون همسوگرد انجام شده و گرانول حاصله با استفاده از پرس در دمای c190o ، فشار 13 بار و زمان 12 دقیقه به تخته هایی با ضخامت mm 7-3 و دانسیته gr/cm3 1 تبدیل شدند.
علی عبدالخانی   +4 more
doaj  

The print before photography : an introduction to European printmaking, 1550-1820 /

open access: yes, 2016
A landmark publication that catalogues the history and development of the printed image Gutenberg's invention of moveable type made it possible to print letters.
Griffiths, Antony,aut
core  

Comparative Study of Heat Treated Beech Wood in Hot Water and Steam Mediums [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2012
Heat treatment of wood is an effective method to improve the dimensional stability and durability against biodegradation. Heat treatments of beech wood in 2 different mediums (hot water and steam) at 180ºC were compared by physical, mechanical and ...
Aysona Talae   +3 more
doaj  

Analysis of Poplar process value chain in Western Azerbaijan province aims to upgrading [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2015
Due to the size and importance of poplar culturing and its role in the West Azerbaijan province economy, evaluation of the poplar value chain is necessary. With drawing up a comprehensive value chain and identify the lacks, setting the value chain in the
omid hosein zadeh
doaj  

بررسی خواص فیزیکی و بیومتری چوب مهم‌ترین گونه‌های سوزنی برگ در منطقه ارتفاعی پایین بند نکا (کوهسارکنده) [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2017
در این تحقیق، خواص فیزیکی و بیومتری چوب و الیاف چوبی هشت گونه سوزنی برگ وارداتی در طرح جنگلداری کوهسارکنده شهرستان نکاء مورد بررسی قرارگرفت. برای این منظور، تعداد چهل اصله درخت سالم از هشت گونه سوزنی‌برگ (کاج تدا، کاج رادیاتا، کاج بروسیا، کاج سیاه، کاج ...
محمد فارسی   +2 more
doaj  

Using cellulose nanofiber as filler of urea formaldehyde resin in plywood manufacture [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2015
In this study, physical and mechanical properties of poplar (Populus nigra) plywood made by urea-formaldehyde resin along with nano fiber cellulose were studied. For this reason, the nanofiber cellulose as filler at five levels 0, 1, 3, 5 and 7% based on
samira barzali   +3 more
doaj  

Writings on contemporary engraving in Belem

open access: yes, 2017
This research addresses the field of historiography of art. It analyses the artistic printmaking movement in Belém in the period between the 1980s, when the first projects aimed at promoting printmaking education in the region emerged, and 2001, when ...
SOBRAL, Armando Sampaio
core  

Effect of Mixing Temperature of CMP Pulp and Cellulose Nanofiber on Paper Properties [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2013
Several processing parameters affect the function of cellulose nanofiber as an environmentally friend cellulosic reinforcer. One of the potential parameters can be the mixing temperature of pulp and cellulose nanofiber that has been investigated in this ...
Sahba Alinia   +3 more
doaj  

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