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Your search resulted in 253 documents. Displaying 25 entries per page.


Introduction to a field demonstration of various instruments and methods for the detection of defects in poles
1984 - IRG/WP 2228
H Friis-Hansen


A bibliography of organic solvent-based wood preservatives
1973 - IRG/WP 322
H Alliot


Methods of assessing decay in poles in service with the Pilodyn wood tester
1978 - IRG/WP 2107 A
H Friis-Hansen


A bibliography of organic solvent-based wood preservatives
1973 - IRG/WP 313 E
H Alliot


Applications of immunological methods to the analysis and detection of Lentinus lepideus Fr
1989 - IRG/WP 1422
Polyclonal antisera have been raised against the brown rot fungus Lentinus lepideus, a major cause of rot induced pole failure in the UK. Specificity studies have indicated that the antisera cross-react with a number of basidiomycetes but to much lesser extent with other fungi. The antigenicity of Lentinus lepideus and hence its molecular composition shows some alteration with culture age and chan...
H Glancy, A Bruce, D Button, J W Palfreyman, B King


The use of the Shigometer® and Pilodyn® as non-destructive test methods for detecting decay in CCA treated eucalypt poles
1981 - IRG/WP 2153
The groundline condition of sixty C.C.A. treated eucalypt poles comprising six different species was examined using the Pilodyn® and Shigometer®. Although sensitive to the presence of soft-rot decay, the Shigometer® would seem to offer little practical advantage in the eucalypt soft-rot decay situation, since a comparable visual examination could reveal the presence and extent of decay. Initial...
L E Leightley


The WOODCARE project: Development of detection methods for Death watch beetle larvae and fungal decay
1999 - IRG/WP 99-20172
Woodcare was a European project coordinated by English Heritage. The aim of the research was to develop more targeted and more environmentally friendly treatment methods for Death watch beetle infections in Oak constructions of historical buildings. TNO has developed two new methods for fast and reliable detection of Death watch beetle larvae and related fungal decay in Oak. The problem with Death...
P Esser, P Van Staalduinen, A C Tas


Bibliographie sur les produits organiques en solvant pour la préservation du bois
1972 - IRG/WP 313
Le présent travail exécuté dans le cadre do la Section III du Groupe International de la Préservation du bois a pour but de rassembler, en vue d'éventuelles études plus approfondies sur le sujet ou sur l'un de ses aspects, les principales et relativement récentes références sur les produits de protection des bois en solvant, souvent appelés, et parfois improprement, pro...
H Alliot


New methods for nondestructive inspection of timber in buildings
1995 - IRG/WP 95-20070
In these years older buildings are renewed in most European countries on a large scale, and new techniques are needed for both inspection and eradication of fungal attacks. Heat treatment as a means of eradicating the dry rot fungus has been used in Denmark during the last decade. This technique minimises the structural damage to the building, whilst at the same time reducing costs by up to 50%. T...
B Madsen, O V Frederiksen


Stained wood: The identification of natural dyes and mordants in wooden works of art
2010 - IRG/WP 10-20434
On the basis of current knowledge only natural-colored wood species crafted to veneers were used for the decorative design of furniture and wooden interior in classical antiquity.First applications of artificially stained wood can be dated to the late Middle Ages. In the Renaissance wooden works of art were manufactured by using intarsia of natural-colored, fungus-stained and artificially stained ...
A Unger, W Unger


Detection of Aureobasidium as the dominant fungus on coated wood
2013 - IRG/WP 13-10796
Wood is often covered with a coating in order to protect the surface. Unwanted dark mold growth on paint covered surfaces in external conditions is a familiar phenomenon. Simple microbial techniques have commonly been used to determine the dominant fungal species present in the discoloured area, for example morphological analysis of microscopic preparations of fungal pieces sticking to an adhesive...
E J Van Nieuwenhuijzen, M F Sailer, R A Samson, O C G Adan


Biological screening assays of wood samples treated with creosote plus chemical additives exposed to Limnoria tripunctata
1980 - IRG/WP 408
Laboratory methods for exposure of treated wood coupons to Limnoria tripunctata are described. Chemical additions to creosote were screened using this method. Three pesticides, Endrin, Kepone, and Malathion proved particularly effective. The addition of varying percentages of naphthalene to creosote using several treatment methods are currently being assayed. Results to date show that the coupons ...
B R Richards, D A Webb


Field test evaluation of preservatives and treatment methods for fence posts
1985 - IRG/WP 3347
This work presents the field test results after fifteen years exposure of Eucalyptus saligna fence posts treated with six different preservatives and five treatment methods. All the combinations with oil-borne preservatives presented the best results and among the waterborne preservatives, the fence posts treated by immersion method were with the lowest performance in the field test....
G A C Lopez, E S Lepage


The applicability of life cyle analysis and alternative methods in the wood preservation industry
1994 - IRG/WP 94-50023
In the Netherlands, several case studies have been performed using the life cycle analysis method (LCA). This type of research is aimed at an inventory and classification (sometimes including also evaluation) of the environmental impacts of a product, from the raw material to waste stage ("cradle to grave" approach). In a LCA each environmental impact is assessed in terms of, for example, mass of ...
P Esser, J Cramer


Utilization of curcumin for detection of presence of boron in wood
1982 - IRG/WP 3191
It has been shown that curcumin is not a reliable reagent for detecting boron in wood that has been attacked by fungi...
M-L Edlund


Influence of different fixation and ageing procedures on the leaching behaviour of copper from selected wood preservatives in laboratory trials
2003 - IRG/WP 03-20264
The paper focuses on the role of different parameters, such as fixation, sample size, wood species, and leaching in internationally standardized ageing procedures for wood preservatives from Europe, Japan and the United States. The leaching protocols used were EN 84, JIS K 1571 and AWPA E11 protocols. The wood species were Scots pine, Sugi and Southern Yellow Pine respectively. Three types of com...
J Habicht, D Häntzschel, J Wittenzellner


Testing of wood preservatives against marine borers (Part 1). Method of testing wood preservatives against marine borers (Part 2)
1971 - IRG/WP 37
P C Trussell, C C Walden


Report on the activities of the European Standardization Committee CEN/TC 38 'Methods of Testing wood preservatives'
1980 - IRG/WP 279 E
G Castan


Comparison of the agar-block and soil-block methods used for evaluation of fungitoxic value of QAC and CCA wood preservatives
1994 - IRG/WP 94-20039
The modyfied agar-block and soil-block methods were used for comparing the fungitoxic value of QAC and CCA type preservatives against Coniophora puteana and Coniophora olivacea The mass loss and moisture contents of wood were analysed....
J Wazny, L J Cookson


Termite standards questionnaire survey. Second Report
1989 - IRG/WP 1395
Information contained in replies received from IRG members responding to the survey continue to be summarised. Again, highlighted in this second report are the major termite species in the various zoogeographical regions, their damage ranking to timber-in-service, the chemicals used in control methods, and the status of the termite standards in the respondent countries....
J R J French, J P La Fage


European standardization for wood preservation
1988 - IRG/WP 2321
G Castan


Detection of feeding behaviour of termites using AE monitoring
1991 - IRG/WP 1514
Using acoustic emission (AE) monitoring, the feeding activity of the termite inhabiting a wood specimen was investigated. The amplitude and the rate of AE from the specimen of Coptotermes formosanus Shiraki was larger than that of Reticulitermes speratus Kolbe. The AE event rate was higher in the specimen with soldiers than without soldiers. The AE event rate decreased according to the resistance ...
Y Imamura, M Tokoro, M Owada, Y Fujii, M Noguchi


Comparison of Different Methods for Assessing the Performance of Preservatives in the BAM Fungus Cellar Test
1998 - IRG/WP 98-20149
The fungus cellar test is a common means to get reliable data on the long term performance of treated wood in soil contact. A constantly high humidity and a suitable of water holding capacity for a range of micro-organisms provide high decay rates in untreated wood and produce intensive microbial pressures on wood treated with biocides. Presently a range of biocides are under test in the BAM fungu...
I Stephan, M Grinda, D Rudolph


Respiration methods used to follow the decay of wood and the toximetric evaluation of wood preservatives
1975 - IRG/WP 249
When wood is attacked and decayed by fungi, wood substance and oxygen (02) are consumed, while carbon dioxide (CO2), water and heat are liberated. Early in the 1960's workers from England, Canada and Sweden began studying CO2 evolution, with respect to decay and its control using chemical preservatives, while in Germany and the USA O2 utilization was being similarly examined. Oxygen consu...
R S Smith


Durability of pine modified by 9 different methods
2004 - IRG/WP 04-40288
The decay resistance was studied for pine modified by nine methods of wood modification: 1) Acetylation, 2) Treatment with methylated melamine resin (MMF), 3) Acetylation followed by post-treatment with MMF-resin, 4) Thermal modification, 5) Furfurylation, 6) Maleoylation (using water solution of MG or ethanol solution of maleic anhydride), 7) Succinylation, 8) NMA-modification and 9) modification...
M Westin, A O Rapp, T Nilsson


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