Results 31 to 40 of about 33,048 (279)

Importance of Water in Maintaining Softwood Secondary Cell Wall Nanostructure

open access: yesBiomacromolecules, 2021
Water is one of the principal constituents by mass of living plant cell walls. However, its role and interactions with secondary cell wall polysaccharides and the impact of dehydration and subsequent rehydration on the molecular architecture are still to
Rosalie Cresswell   +7 more
semanticscholar   +1 more source

Effect of different moisture contents on the thermal properties of wood [PDF]

open access: yesJournal on Processing and Energy in Agriculture, 2019
Moisture content is one of the most important properties of wood. The primary purpose of this paper is to examine the dependence between thermal properties and different moisture contents of softwood, hardwood and medium hardwood samples with dimensions ...
Kotoulek Petr   +6 more
doaj   +1 more source

Flexural Behaviour of GFRP-Softwood Sandwich Panels for Prefabricated Building Construction [PDF]

open access: yes, 2023
Studies have shown that the proper selection of core materials in sandwich structures improves the overall structural performance in terms of bending stiffness and strength. The core materials used in such systems, such as foam, corrugated, and honeycomb,
Ahmed D. Almutairi   +5 more
core   +1 more source

Size-Segregated Particulate Matter from Gasification of Bulgarian Agro-Forest Biomass Residue

open access: yesEnergies, 2021
The main purpose of the present work was to evaluate the efficiency of the gasification process of three different types of agro-forest biomass residue (rapeseed, softwood, and sunflower husks) along with the characterization of size-segregated ...
Ricardo Ferreira   +6 more
doaj   +1 more source

Biomass conversion into recyclable strong materials

open access: yesSouth African Journal of Science, 2022
We review the conversion of waste biomass into recyclable materials using different methods of materials treatment such as thermal, mechanical and chemical processes.
Farai Dziike   +3 more
doaj   +1 more source

Alumina as an Antifungal Agent for Pinus elliottii Wood

open access: yesJournal of Fungi, 2022
This work deals with the durability of a Pinus elliotti wood impregnated with alumina (Al2O3) particles. The samples were impregnated at three different Al2O3 weight fractions (c.a. 0.1%, 0.3% and 0.5%) and were then exposed to two wood-rot fungi, namely
Andrey P. Acosta   +7 more
doaj   +1 more source

Influence of morphology on the effective hygro-elastic properties of softwood (spruce) and hardwood (balsa)

open access: yesArchive of applied mechanics (1991), 2021
Wood materials are characterized by complex, hierarchical material structures spanning across various length scales. The present work aims at establishing a relation between the hygro-elastic properties at the mesoscopic cellular level and the effective ...
M. Livani, E. Bosco, Akke S. J. Suiker
semanticscholar   +1 more source

Effect of Fibre Orientation on the Bond Properties of Softwood and Hardwood Interfaces

open access: yesBuildings, 2023
Increasing concerns regarding carbon emissions and climate change are prompting a shift toward the use of sustainable materials in the construction industry.
Xin Li   +3 more
doaj   +1 more source

Hydroxymethylation of softwood kraft lignin and phenol with paraformaldehyde

open access: yes, 2021
Phenol-formaldehyde (PF) resins are the most commonly used adhesives in particleboard and plywood production. Lignin, the second most abundant biopolymer, has the potential to be a valuable resource for phenolic compounds; therefore, lignin could serve ...
H. Paananen, Leila Alvila, T. Pakkanen
semanticscholar   +1 more source

Effect of bolt configurations on stiffness for steel-wood-steel connection loaded parallel to grain for softwoods in Malaysia [PDF]

open access: yesArchives of Civil Engineering, 2022
Steel-wood-steel connection is widely seen in many applications, such as timber structures. The stiffness of steel-wood-steel connection loaded parallel to grain for softwoods originated from Malaysia was investigated in this study. Numerical models have
Nur Liza Rahim   +5 more
doaj   +1 more source

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