Results 251 to 260 of about 1,129,125 (298)
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Development of empirical drying correlations for ground wood chip and ground wood pellet particles
Drying Technology, 2017In this research, the drying rates of ground chip and ground pellet particles of pine were investigated. Pulp wood chips and whole pellets were ground in a hammer mill.
Hamid Rezaei +4 more
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Decay of Wood and Wood-Based Products Above Ground in Buildings
Journal of Testing and Evaluation, 1999Abstract This paper is an overview of what we know about occurrence of wood decay above ground within buildings. It presents information concerning under what conditions decay may become established. In laboratory tests involving optimum moisture and temperature conditions for decay fungi, and direct contact with large quantities of ...
CG Carll, TL Highley
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Physical and thermal characterization of ground bark and ground wood particles
Renewable Energy, 2018Abstract The present work reports the physical, size and shape, flowability, drying and devolatilization properties of ground wood and ground bark particles. Mechanical sieving and image processing identify the size and shape of ground particles, respectively.
Hamid Rezaei, Shahab Sokhansanj
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Ground Water Contamination at Wood Treatment Facilities
Groundwater Monitoring & Remediation, 1991Abstract Ground water contamination profiles from five wood treatment facilities across the country have been compared. The distributions of organic priority pollutants at the five sites are similar, with the most common contaminants being polynuclear aromatic hydrocarbons and phenolic compounds. These contaminants are the predominant
Jeffrey K. Rosenfeld, Russell H. Plumb
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Ground‐Water Pollution by Wood Waste Disposal
Groundwater, 1975ABSTRACT Timber production and wood products industries in the Mid‐Willamette Valley of Oregon annually dispose of about 547,000 tons (500,000 tonnes) of wood and bark wastes. Land storage or disposal of these wastes can result in the generation of significant volumes of leachate.
H. R. Sweet, R. H. Fetrow
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Aqueous glycerol delignification of wood chips and ground wood
Bioresource Technology, 1998Abstract Wood and agricultural materials were delignified in either glycerol or alkaline glycerol in aqueous or non-aqueous media, in an autoclave or at atmospheric pressure, for the production of pulps. In a typical run, increasing the reaction temperature from 438 to 498 K raised the lignin loss from 55.5 to 88.0%, but decreased the yield of the ...
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Dead wood modifies mobility of ground beetles
2015Skłodowski, Jarosław, Szczeszek, Jakub (2015): Dead wood modifies mobility of ground beetles.
Skłodowski, Jarosław, Szczeszek, Jakub
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Ground vegetation net production in a Danish beech wood
Oecologia, 1975Biocontent of the above and below-ground parts of ground vegetation in a Danish beech forest was between 1685 and 3025 Kj/m2 (94.57 to 169.43g/m2). Net production as the difference between overall maximum and overall minimum biocontent was 1340 Kj/m2/yr (74.86g/m2/yr); as the sum of differences between species maximum and minimum 1832 Kj/m2/yr (111.49g/
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Effect of Vegetation Cover on the Ground Thermal Regime of Wooded and Non‐Wooded Palsas
Permafrost and Periglacial Processes, 2014ABSTRACTAlthough warming air temperatures are contributing to permafrost degradation across the circumpolar zone, understanding of permafrost and environmental feedbacks to climate change is limited. Palsas can be used as indicators of permafrost stability given their sensitivity to changes in temperature and precipitation.
Mélanie Jean, Serge Payette
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Bacteria Associated with Wood in Ground Contact
1975Bacteria have long been known to be associated with wood in service 1. In recent years the effect of bacteria on wood kept in water has been intensively studied and bacteria have been shown to increase the permeability of the sapwood of many timber species by destroying the pit membranes.2,3.
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