Results 51 to 60 of about 19,790 (235)

Acid-Catalyzed Solvolysis of Softwood Using Polyethylene Glycol Monomethyl Ether to Produce Functional Lignin Derivatives

open access: yesBioResources, 2023
Glycol lignins (GLs) produced through acid-catalyzed solvolysis of softwood meal using glycols, such as polyethylene glycol (PEG), have been used for the development of functional materials.
Tomohiro Yamada   +3 more
doaj   +2 more sources

Orthogonal cutting forces in juvenile and mature Pinus taeda wood Forças de corte ortogonal na madeira juvenil e adulta de Pinus taeda

open access: yesScientia Agricola, 2005
The distinct characteristics of juvenile and mature woods, which are observed particularly in softwoods, have an influence on processing due to their different mechanical resistance properties in relation to cutting operations.
Raquel Gonçalves, Antônio Carlos Néri
doaj   +1 more source

Caring for forests between attitude and platitude. Social relationships with nature in industrial forestry in Äänekoski, Finland

open access: yesPeople and Nature, EarlyView.
Abstract Forests play a pivotal role in sustainability transitions. This article explores how people's relationships with forests, particularly how they care for or take care of them, shape and reflect broader tendencies and tensions in forest utilization and governance.
Jana Rebecca Holz
wiley   +1 more source

Dynamics of the U.S.-Canada Softwood Lumber Trade: Market and Welfare Effects of the 2006 Softwood Lumber Agreement [PDF]

open access: yes, 2017
This article examines the effects of macroeconomic variables (i.e., housing starts, disposable income, and the exchange rate), market variables (i.e., lumber price and wage rate) and the 2006 Softwood Lumber Agreement (SLA06) on U.S.
Baek, Jungho
core   +1 more source

Prediction of Withdrawal Resistance of Self-Tapping Screws in Softwood Structural Lumber

open access: yesBioResources
The withdrawal resistance of self-tapping screws (STS) in Korean structural softwood in the vertical fiber direction was examined. Four representative softwood species were selected based on their specific gravity.
In-Hwan Lee, Keonho Kim
doaj   +2 more sources

Cutting Power during Milling of Thermally Modified Pine Wood

open access: yesDrvna Industrija, 2016
The paper presents experimental testing results of cutting power of thermally modified wood of Scots pine (Pinus sylvestris L.) during lengthwise milling. The process of heat treatment was performed in the atmosphere of superheated steam, at temperatures
Andrzej Krauss   +2 more
doaj   +1 more source

Interfacially Engineered Alginate/Hydroxyapatite Biocomposites With High Strength and Toughness

open access: yesPolymer Composites, EarlyView.
Pre‐crosslinking alginate with Ca2+ prior to hydroxyapatite (HAP) formation reduces residual Ca2+ bridging and promotes stronger carboxylate‐hydroxyapatite interfacial interactions, yielding composites with markedly higher strength, stiffness, and toughness than those prepared by the opposite sequence.
Yui Okuda   +3 more
wiley   +1 more source

A review of the configuration of bordered pits to stimulate the fluid flow

open access: yesMaderas: Ciencia y Tecnología, 2014
As the bordered pits have generally been thought to have an influence on the refractory nature of softwoods, structural behaviour of this conducting pathways is discussed according to the published literature.
Ilker Usta
doaj  

Roll‐to‐Roll Processing of Biodegradable Multilayer Barrier Packaging Structures

open access: yesPackaging Technology and Science, EarlyView.
This work demonstrates that novel packaging materials built using biobased and biodegradable materials can be produced in pilot‐scale and converted into functional barrier packaging. The proposed structures are anticipated to make a strong impact in use‐cases where the risk of environmental littering is elevated, such as snacks and take away meals ...
Enni Luoma   +5 more
wiley   +1 more source

Dynamics of the U.S.-Canada Softwood Lumber Trade: Market and Welfare Effects of the 2006 Softwood Lumber Agreement [PDF]

open access: yes
This article examines the effects of macroeconomic variables (i.e., housing starts, disposable income, and the exchange rate), market variables (i.e., lumber price and wage rate) and the 2006 Softwood Lumber Agreement (SLA06) on U.S.
Baek, Jungho
core  

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