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Registro Completo |
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
18/02/2002 |
Data da última atualização: |
20/07/2009 |
Autoria: |
OLIVEIRA, M. M. de; TEASDALE, D. C.; KENNEDY. J. P. |
Título: |
The Effect of Diameter Variability and Medullation of Wool on Fibre Fineness Distribution Analyser (FFDA) Measurements. |
Ano de publicação: |
1990 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, V. 25, n.3, p. 435-443, mar.1990 |
Idioma: |
Inglês |
Conteúdo: |
The effect of medullation and variability of fibre diameter on FFDA measurements were investigated. For a FFDA fitted with the expanding (new) cell, medullated wools and more variable wools gave finer results than those obtained with the projection microscope. Equations correcting FFDA results for the degree of medullation are presented. It is suggested that calibration using a coarser top than those currently in use would improve measurements on coarse wools. |
Palavras-Chave: |
coarse tops; medullations assessment methods; wool fibre diameter variability. |
Thesaurus Nal: |
calibration. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01105naa a2200193 a 4500 001 1087625 005 2009-07-20 008 1990 bl uuuu u00u1 u #d 100 1 $aOLIVEIRA, M. M. de 245 $aThe Effect of Diameter Variability and Medullation of Wool on Fibre Fineness Distribution Analyser (FFDA) Measurements. 260 $c1990 520 $aThe effect of medullation and variability of fibre diameter on FFDA measurements were investigated. For a FFDA fitted with the expanding (new) cell, medullated wools and more variable wools gave finer results than those obtained with the projection microscope. Equations correcting FFDA results for the degree of medullation are presented. It is suggested that calibration using a coarser top than those currently in use would improve measurements on coarse wools. 650 $acalibration 653 $acoarse tops 653 $amedullations assessment methods 653 $awool fibre diameter variability 700 1 $aTEASDALE, D. C. 700 1 $aKENNEDY. J. P. 773 $tPesquisa Agropecuária Brasileira, Brasília, V. 25$gn.3, p. 435-443, mar.1990
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6. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CAPECHE, C. L.; OLIVEIRA, M. M. de. A pesquisa científica e o ensino de mãos dadas para promover a educação ambiental: parceria que dá certo. In: OLIVEIRA, M. M. de; JORGE, E. de S.; CAPECHE, C. L.; FERREIRA, M. L. da R.; GONZALEZ, I. D.; SILVA, E. M. da; RODRIGUES, V. M. F. Área verde do Colégio Pedro II: espaço de desafios. Brasília, DF: Supergráfica, 2021. cap. 4, p. 199-219.Tipo: Capítulo em Livro Técnico-Científico |
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