Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Gèrard Janin"'
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 25 (2022)
This study had the objective to heat treated angelim vermelho (red) wood and then to analyze its effects on the physical, mechanical and chemical properties of the wood. The wood was treated at 180 ºC and 215 °C for 20 min and 40 min in a muffle fu
Externí odkaz:
https://doaj.org/article/c6e6d39557df4ee0a590d191e6463870
Autor:
Marcella Hermida de Paula, Robert Rossi Silva de Mesquita, Mírian de Almeida Costa, Joaquim Carlos Gonçalez, Rubén A. Ananías, Gèrard Janin
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 22, Iss 1 (2020)
The effect of applying cetol and varnish finishing products and sanding on the surface roughness and colour of marupa (Simarouba amara) wood was evaluated. Three coats of each product were applied and two sandpaper grits were used, 280 and 320). The
Externí odkaz:
https://doaj.org/article/df3c475fb24e47919d41da896de7973c
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 5, Iss 2, Pp 153-161 (2003)
En la primera parte de este trabajo se presentaron las bases teóricas en las que se sustenta la medición cuantitativa y objetiva del color de un material. En base al sistema CIELab, se cuantifican los cambios de color de la madera de pino radiata P
Externí odkaz:
https://doaj.org/article/101406a32ed94f50abe6c1c72f8ec9fb
Akademický článek
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Autor:
Joaquim Carlos Gonçalez, Lílian de Cássia S. Breda, João Francisco M. Barros, Denízia Gonçalves Macedo, Gerard Janin, Alexandre Florian da Costa, Ailton Teixeira do Vale
Publikováno v:
Ciência Florestal, Vol 16, Iss 3, Pp 329-341 (2010)
This work was carried out at Universidade de Brasília at the Wood Products of Forestry Laboratory (IBAMA, Brasília, DF, Brazil). Two species of eucalypt wood (Eucalyptus grandis W.Hill ex Maiden and Eucalyptus cloeziana) were studied to supply the
Externí odkaz:
https://doaj.org/article/f867d2652a6747d49fa4bbf715485043
Autor:
Ailton Teixeira do Vale, Alexandre Florian da Costa, Gerard Janin, João Francisco M. Barros, Denízia Gonçalves Macedo, Lílian de Cássia S. Breda, Joaquim Carlos Gonçalez
Publikováno v:
Ciência Florestal, Vol 16, Iss 2, Pp 329-341 (2006)
Este trabalho se desenvolveu na Universidade de Brasília e no Laboratório de Produtos Florestais (IBAMA), Brasília, DF. Foram estudadas duas espécies de eucalipto (Eucalyptus grandis W.Hill ex Maiden e Eucalyptus cloeziana) para confecção de pe
Externí odkaz:
https://doaj.org/article/0f9b9f00b61f45d2b865a92e69f6b542
Autor:
Joaquim Carlos Gonçalez, Lílian de Cássia S. Breda, João Francisco M. Barros, Denízia Gonçalves Macedo, Gerard Janin, Alexandre Florian Da Costa, Ailton Teixeira do Vale
Publikováno v:
Ciência Florestal, Vol 16, Iss 3, Pp 329-341 (2006)
This work was carried out at Universidade de Brasília at the Wood Products of Forestry Laboratory (IBAMA, Brasília, DF, Brazil). Two species of eucalypt wood (Eucalyptus grandis W.Hill ex Maiden and Eucalyptus cloeziana) were studied to supply th
Externí odkaz:
https://doaj.org/article/e2e7e2bdb7a04cd98a96614c8ba47882
Autor:
Joaquim Carlos Gonçalez, Márcia Helena Bezerra Marques, Maria Cristina Sousa Karas, Gerard Janin, Patricia Gomes Ribeiro
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 16, Iss 3 (2014)
This research was developed after consultations with tropical timber exporters, who were facing problems with the colors of the species under study. This work aimed at characterizing Simarouba amara tropical wood color and verifying possible differen
Externí odkaz:
https://doaj.org/article/a607a6bd01434629a4da55e728188a3d
Autor:
Gérard Janin, Joaquim Goncalez, Rubén Ananías, Bertrand Charrier, Gilson Fernandes da Silva, Abdelkader Dilem
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 3, Iss 1-2, Pp 03-13 (2001)
The colorimetry theory for the CIELab system today allows us to compute the chromatic coordinates of the raw timber colour along the wood - chain industry. The wood industry is nd strongly behind in such areas. Progress in the wood appearance descrip
Externí odkaz:
https://doaj.org/article/2ece25b7c69347fb84d214f5778101c1