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Mechanical conversion of wood and wooden fittings
Effect of hydrothermal treatment on the acoustic properties of wood from Walnut and Elm species, utilizable in musical instruments

Mohammad Ghofrani; Hossein Hosseinkhani; Habib Rahimi dastjerdi; Saeid Khojasteh khosro; Parviz Amiri

Volume 29, WINTER 4 , February 2015, , Pages 636-647

https://doi.org/10.22092/ijwpr.2014.8648

Abstract
  The objective of this study was to investigate the influence of hydrothermal treatment of walnut (Juglans regia) and caucasian elm (Zelkova Carpinifolia) wood species on their acoustic properties in radial and tangential directions. For this purpose, specimens were prepared with dimensions of 360 (L) ...  Read More

Pulp and paper
Comparison on the characteristics of Salix nigra Kraft and Soda pulp and paper

Lila Karami motaghi; Hossein Hosseinkhani; Fardad Golbabaei

Volume 29, Summer 2 , August 2014, , Pages 324-334

https://doi.org/10.22092/ijwpr.2014.5693

Abstract
  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 length, fiber diameter were measured, 1100 and 30 ...  Read More