تهیه و آنالیز دینامیکی حرارتی نانوچندسازههای زئین، کیتوزان، نانوسلولز [PDF]
یکی از مشکلات صنعت پلاستیک انباشت زیاد مواد و پلیمرهای سنتزی در محیط زیست است که می تواند به عنوان آلاینده مدت زیادی در طبیعت باقی بماند. دراین تحقیق پلیمرهای طبیعی با تولید نیمه صنعتی جایگزین پلیمرهای سنتزی می شوند.
قاسم جوادزاده +4 more
doaj
Investigation of pulping and paper making potential of weeds [PDF]
Increasing use of wood products accompanying with resource constraint has revealed the importance of nonwood based material. In this study, pulping and papermaking potential of three varieties of weeds including Xanthium spinosum, Carthamus tinctorius ...
omid Ghaffarzadeh Mollabashi +2 more
doaj
The effect of altitude on bending creep behavior hornbeam (Case Study, Nowshahr Meshelak Branch) [PDF]
This study aimed to investigation the effect of altitude on the bending creep behavior of hornbeam lumber (Carpinus betuluse). For this purpose, 9 hornbeam trees from three different altitudes (400, 800 and 1100m) from forestry projects of Meshelak ...
valiallah moosavi +4 more
doaj
The Investigation on Feasibility of Oriented Strand Boards to Parquet Production from Mixed Residual Veneer Popular and Beech [PDF]
The objective of this study was to investigate of feasibility of using residual veneer (popular and beech)to manufacture oriented strand board (OSB) parquet. Percentage of mixed residual veneer popular to beech was 40%to 60% respectly.
Saeid Kamrani +3 more
doaj
Analysis of stress- strain distribution of dowel and glue line in L-type furniture joint by means of finite element method [PDF]
In this study 3D stress-strain distribution of dowel and glue line on L-type joints made of plywood doweled was investigated. Members of joints made of 11-ply hardwood plywood (Hornbeam, Beech and Alder) that were 19 mm in thickness. In this study effect
mossayeb dalvand, payam moradpour
doaj
Study of Chemical Components and Bioactive Properties of Knot wood Extractives from Four Endemic Species of Hyrcanian Forests [PDF]
Persian wingnut, Persian honeylocust, Persian ironwood and Persian alder are of four endemic and important species of Hyrcanian forests that initial data about the presence of bioactive components in them are available, however no comprehensive study has
Sahba Aliniyay Lakani +3 more
doaj
Influence of droplet size on the antibacterial efficacy of citral and citronella oil nanoemulsions in polysaccharide coated fresh-cut apples. [PDF]
Touayar M +3 more
europepmc +1 more source
بررسی ویژگیهای چندسازه چوب–پلاستیک تهیهشده ازمخلوط آرد چوب و پلیکربنات بازیافتی (لوحهای فشرده مستعمل) [PDF]
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 impact of built environment on mental health: A COVID-19 lockdown perspective. [PDF]
Xiao J +4 more
europepmc +1 more source
Comparative Study of Heat Treated Beech Wood in Hot Water and Steam Mediums [PDF]
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

