Results 191 to 200 of about 45,691 (235)
Defectless and Uniform Single-Crystallite Dispersions of Sustainable Wood Nanocellulose with a Regulated Right-Handed Twist Periodicity. [PDF]
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Solubility of Softwood Hemicelluloses
Biomacromolecules, 2018It is demonstrated that the molecular solubility of softwood hemicelluloses is significantly influenced by pretreatment of the fibers, extraction, and downstream processing. To quantify these effects, four hemicellulose samples were extracted from different thermomechanical pulps of Norway spruce.
Saina Kishani +4 more
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SOFTWOOD COMPOSITES FOR CONSTRUCTION
Materials of the All-Russian scientific and practical conference "Modern machines, equipment and IT solutions for industrial complex: theory and practice", 2021The article deals with the issues of secondary use of industrial waste from the processing of soft hardwood wood. It is shown that the disposal of man-made waste in landfills is undesirable, and the use of wood waste to generate heat for heating is limited to the autumn-winter period.
A. Felluh +4 more
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Yeast Adaptation on Softwood Prehydrolysate
Applied Biochemistry and Biotechnology, 1998Several strains and genera of yeast, including Saccharomyces cerevisiae D5A, Pachysolen tannophilus, S. cerevisiae K-1, Brettanomyces custersii, Candida shehatae, and Candida acidothermophilum, are screened for growth on dilute acid-pretreated softwood prehydrolysate.
F A, Keller +3 more
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Clonal Propagation of Softwoods
2005Softwoods or gymnosperms, which make up 60% of the forested areas of the world, are economically important as a source of lumber, pulp, and paper. Reforestation is a major activity worldwide and the potential benefits of using clonal planting stock have long been recognized. Tissue culture clonal methods or micropropagation is a newer approach that can
Trevor A, Thorpe +2 more
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Capillary pressure in softwoods
Wood Science and Technology, 1981To predict the capillary transport of free liquid during the drying of softwood, it is essential to have knowledge of capillary pressure as a function of moisture content. The dependence of the capillary pressure on the wood's moisture content is predicted with a mechanistic model and measured for isothermal moisture movement in the tangetial direction.
G. A. Spolek, O. A. Plumb
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SOFTWOOD GRAFTING IN JACKFRUIT
Acta Horticulturae, 2011Jackfruit is one of the tropical fruits with multiple uses. Huge variability exists in this crop due to seed propagation. Vegetative propagation will help in fixing the characters of superior types. A study on softwood grafting in jackfruit was conducted at the Department of Horticulture, University of Agricultural Sciences, Dharwad by taking up ...
null G. Aralikatti +4 more
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Cellulose, 2016
Crosslinking-aided gelation was utilized to prepare hydrogels from softwood polysaccharides, with spruce galactoglucomannans (GGM)—a group of largely unexploited hemicelluloses—as the main component, aiming at conversion into sponge-like aerogels. Cellulose nanofibrils were used for the formation of a reinforcing network, which was further crosslinked ...
Suvi Alakalhunmaa +6 more
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Crosslinking-aided gelation was utilized to prepare hydrogels from softwood polysaccharides, with spruce galactoglucomannans (GGM)—a group of largely unexploited hemicelluloses—as the main component, aiming at conversion into sponge-like aerogels. Cellulose nanofibrils were used for the formation of a reinforcing network, which was further crosslinked ...
Suvi Alakalhunmaa +6 more
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1981
Importing softwood is the largest section of the UK timber trade, in numbers of firms engaged, in volume of timber handled and in overall finance involved. (It accounts for approximately 54 per cent of the value of all timber imports.) The seasonal nature of the trade introduces its own problems, which are not reproduced to the same extent in the ...
Jack H. Leigh, Alan G. Randall
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Importing softwood is the largest section of the UK timber trade, in numbers of firms engaged, in volume of timber handled and in overall finance involved. (It accounts for approximately 54 per cent of the value of all timber imports.) The seasonal nature of the trade introduces its own problems, which are not reproduced to the same extent in the ...
Jack H. Leigh, Alan G. Randall
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Fracture behaviour of softwood
Mechanics of Materials, 2003Abstract In design wood is regarded as a brittle material, depending on the stress direction, duration of loading and moisture content. The usual presumption is that wood is perfectly brittle–elastic (linear elastic fracture mechanics, LEFM), or that its behaviour mimics other materials such as concrete.
Ian Smith, Svetlana Vasic
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