Dielectric Properties of Wood and Wood-Based Materials PDF Download
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Author: Grigoriy I. Torgovnikov
Publisher: Springer Science & Business Media
ISBN: 3642774539
Category : Technology & Engineering
Languages : en
Pages : 208
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Book Description
Provided here is a comprehensive treatise on all aspects of dielectric properties of wood and wood products. The topics covered include: Interaction between electromagnetic field and wood. - Wood composition and dielectric properties of its components. - Measurement of dielectric parameters of wood.- Dielectric properties of oven-dry wood. - Dielectric properties of moist wood. - Effect of different kinds of treatment on dielectric properties of wood. - Dielectric properties of bark. - Dielectric properties of wood-based materials. - Recommendations for determination of dielectric parameters of wood based materials and for their use in calculations. Several appendices comprise reference data onthe dielectric characteristics of wood and wood-based materials in the wide range of frequencies, temperatures, and moisture content.
Author: Grigoriy I. Torgovnikov
Publisher: Springer Science & Business Media
ISBN: 3642774539
Category : Technology & Engineering
Languages : en
Pages : 208
Get Book Here
Book Description
Provided here is a comprehensive treatise on all aspects of dielectric properties of wood and wood products. The topics covered include: Interaction between electromagnetic field and wood. - Wood composition and dielectric properties of its components. - Measurement of dielectric parameters of wood.- Dielectric properties of oven-dry wood. - Dielectric properties of moist wood. - Effect of different kinds of treatment on dielectric properties of wood. - Dielectric properties of bark. - Dielectric properties of wood-based materials. - Recommendations for determination of dielectric parameters of wood based materials and for their use in calculations. Several appendices comprise reference data onthe dielectric characteristics of wood and wood-based materials in the wide range of frequencies, temperatures, and moisture content.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 748
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Book Description
Set includes revised editions of some issues.
Author: Peter Koch
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 752
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Book Description
Author: Forest Service (U S )
Publisher: Government Printing Office
ISBN: 9780160928871
Category : Business & Economics
Languages : en
Pages : 176
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Book Description
Nature's engineering of wood through genetics, wind, and weather creates a wide variability in wood as a material. Consequently, manufacture and users of wood products are frequently frustrated in dealing with the forest resource. Manufacturers sometimes argue that wood is difficult to consistently process into quality products because of the wide range of properties that exist in this raw material. Users of wood products can be equally frustrated with the performance variability found in finished products. Nondestructive evaluation (NDE) technologies have contributed significantly toward eliminating the cause of these frustrations. NDE technologies have been developed and are currently used in lumber and veneer grading programs that result in engineered materials that have consistent well-defined performance characteristics. This brief volume explores some of the processes that are used to manufacture wood, including green wood technology and provides a bit of history to wood production and its uses too. Other products that may interest you from the US Forest Service can be found at this link: https://bookstore.gpo.gov/agency/819
Author: Peter Koch
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 752
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Book Description
Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 886
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Book Description
Beginning in 1952, an unnumbered Dec. issue is published consisting of the society's Proceedings and the annual index of the Journal.
Author: United States. Cooperative State Research Service
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 732
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 828
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Book Description
Author: Christen Skaar
Publisher: Springer Science & Business Media
ISBN: 3642736831
Category : Technology & Engineering
Languages : en
Pages : 292
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Book Description
Wood is formed in an essentially water-saturated environment in the living tree, and the cell wall remains in this state until the water flow from the roots is interrupted, such as by felling the tree. The wood then begins to lose most of its moisture by drying, resulting in changes in most of its physical properties. These changes, and their relationship to the environment to which the wood is subsequently ex posed, are the subject of this book. The text consists of six chapters. The first chapter discusses cer tain empirical relationships between wood and water, methods of measuring wood moisture content, factors which affect its equilib rium moisture content, and the effect of moisture content on wood strength. The second chapter treats the thermodynamics of moisture sorption by wood, inc1uding enthalpy, entropy, and free energy changes. The third chapter discusses some of the theories which have been proposed to explain the sorption isotherms for hygroscopic ma terials such as wood. Chapter 4 considers hygroexpansion or the shrinking and swelling of wood associated with moisture change. Chapter 5 is concerned with how moisture moves through the cell wall of wood in response to both moisture and temperature gradients. The sixth and final chapter discusses the theoretical and practical aspects of the electrical resistance and dielectric properties of wood, in c1uding the principles involved in their application in electrical moisture meters.
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 828
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Book Description
