Natural Resistance Of Woods To Biological Deterioration In Tropical Environments Screening Tests Of A Large Number Of Wood Species

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ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.86/5 ( download)

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Download or read book Natural Resistance of Woods to Biological Deterioration in Tropical Environments: Screening tests of a large number of wood species written by and published by . This book was released on 1962 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.43/5 ( download)

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Download or read book Natural Resistance of Woods to Biological Deterioration in Tropical Environments: Screening tests of a large number of wood species written by and published by . This book was released on 1962 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : C. R. Southwell
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ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.47/5 ( download)

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Download or read book Natural Resistance of Woods to Biological Deterioration in Tropical Environments. Part I. Screening Tests of a Large Number of Wood Species written by C. R. Southwell and published by . This book was released on 1962 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: In four different tropical environments, heavily infested with wood-destroying organisms, 114 species of scientifically identified woods have been undergoing a screening test for periods up to an 18-month exposure. Many of the woods were selected because of their reputed resistance to biological attack. Results of marine borer resistance studies have revealed 21 woods to be highly resistant to borers in Pacific Ocean water for the first 14 months of exposure. In tropical brackish water only 3 woods studied were highly resistant and very heavy damage was observed on 69 during the 14-month period. Stake tests in tropical jungle soil on both the Atlantic and Pacific Coasts of Panama showed 26 woods to be very durable to both subterranean termites and fungal decay for the first 18 months of exposure. A number of these resistant woods had not been studied previously. From the results of these studies, each wood included has been assigned resistance ratings of high, moderate, or low in respect to marine borer attack in sea water, teredo attack in brackish water, subterranean termites in tropical soil, and fungal decay in contact with jungle soil. Detailed descriptions of wood species which are considered to be of special interest are included. (Author).

Author : Charles R. Southwell
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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.1N/5 ( download)

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Download or read book Biological Deterioration of Woods in Tropical Environments written by Charles R. Southwell and published by . This book was released on 1973 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes the biodegradation of treated and untreated woods in the marine and terrestrial environments of the Panama Canal Zone. Presented are the final results of the terrestrial studies for exposure periods up to 13 years at three jungle exposure sites. One hundred fifteen natural woods and five wood preservatives are evaluated for resistance to subterranean termites and to above-ground and below-ground fungal decay. (Modified author abstract).

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ISBN 13 :
Total Pages : 1062 pages
Book Rating : 4.66/5 ( download)

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Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.87/5 ( download)

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Download or read book NRL Report written by and published by . This book was released on 1973 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Defense Documentation Center (U.S.)
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ISBN 13 :
Total Pages : 784 pages
Book Rating : 4.37/5 ( download)

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Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1967 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Naval Research Laboratory (U.S.)
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ISBN 13 :
Total Pages : 594 pages
Book Rating : 4.20/5 ( download)

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Download or read book Report of NRL Progress written by Naval Research Laboratory (U.S.) and published by . This book was released on 1970 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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ISBN 13 :
Total Pages : 1274 pages
Book Rating : 4.49/5 ( download)

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Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1961 with total page 1274 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : United States. National Technical Information Service
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ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.95/5 ( download)

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Download or read book Appropriate Technology Information for Developing Countries written by United States. National Technical Information Service and published by . This book was released on 1979 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: