Issues Related to Handling the Influx of Small-diameter Timber in Western North America

Issues Related to Handling the Influx of Small-diameter Timber in Western North America PDF Author: Rado Gazo
Publisher:
ISBN: 9781892529091
Category : Timber
Languages : en
Pages : 98

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Issues Related to Handling the Influx of Small-diameter Timber in Western North America

Issues Related to Handling the Influx of Small-diameter Timber in Western North America PDF Author: Rado Gazo
Publisher:
ISBN: 9781892529091
Category : Timber
Languages : en
Pages : 98

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Book Description


Contemporary wood utilization research needs in the western United States

Contemporary wood utilization research needs in the western United States PDF Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 56

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Research Paper FPL-RP

Research Paper FPL-RP PDF Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 336

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General Technical Report PNW-GTR

General Technical Report PNW-GTR PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 762

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A Year in Review for the Pacific Northwest Research Station

A Year in Review for the Pacific Northwest Research Station PDF Author: Pacific Northwest Research Station (Portland, Or.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 112

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Effect of Drying Methods on Warp and Grade of 2 by 4's from Small-diameter Ponderosa Pine

Effect of Drying Methods on Warp and Grade of 2 by 4's from Small-diameter Ponderosa Pine PDF Author: William Turner Simpson
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 20

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Two studies were performed to characterize and control warp in nominal 2- by 4-in. (standard 38- by 89-mm) dimension lumber sawn from small-diameter ponderosa pine trees. One study was conducted at a commercial sawmill with trees harvested in central Arizona. The other study was conducted at the USDA Forest Service, Forest Products Laboratory, Madison, Wisconsin, in small experimental kilns with lumber from trees harvested in central Idaho. The three main variables in the studies were top loading, presteaming, and a high-temperature kiln schedule. A limited study of hot press drying was also included. The high-temperature kiln schedule in the experimental kilns reduced drying time to about half that of the conventional temperature schedule. Press drying time was slightly more than 3 h. Crook and bow caused most of the warp and the grade loss from warp. There was no evidence that presteaming affected warp or grade loss from warp. Top loading had a modest effect in reducing warp and grade loss from warp. High-temperature drying did not affect measured warp compared with the conventional temperature schedule. Grade loss from warp was less in high-temperature than in conventional temperature dried lumber. This might be explained by differences in moisture content change during storage. Press drying did not reduce warp or grade loss from warp.

Lumber Processing in Selected Sawmills in Durango and Oaxaca, Mexico

Lumber Processing in Selected Sawmills in Durango and Oaxaca, Mexico PDF Author: Roland Hernandez
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 210

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Ponderosa Pine Ecosystems Restoration and Conservation

Ponderosa Pine Ecosystems Restoration and Conservation PDF Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 202

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Proceedings

Proceedings PDF Author: Western Dry Kiln Association. Meeting
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 480

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Proceedings RMRS.

Proceedings RMRS. PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 200

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