• Nenhum resultado encontrado

Basic density

Densidade básica da madeira de clones de eucalipto em diferentes espaçamentos / Basic density of wood of eucalyptus clones in different spacing

Densidade básica da madeira de clones de eucalipto em diferentes espaçamentos / Basic density of wood of eucalyptus clones in different spacing

... the basic wood density of clones of hybrids of Eucalyptus urophylla x Eucalyptus grandis at different spacings and along the ...The basic density of the wood was determined following the ...

11

Basic density and pulp yield relationship with some chemical parameters in eucalyptus trees

Basic density and pulp yield relationship with some chemical parameters in eucalyptus trees

... of basic density and pulp yield correlations with some chemical parameters, in order to differentiate an homogeneous eucalyptus tree population, in terms of its potential for pulp production or some other ...

5

Radial variation of wood anatomy and basic density of Anadenanthera colubrina (Vell.) Brenan. Variação radial da anatomia e densidade básica da madeira de Anadenanthera colubrina (Vell.) Brenan.

Radial variation of wood anatomy and basic density of Anadenanthera colubrina (Vell.) Brenan. Variação radial da anatomia e densidade básica da madeira de Anadenanthera colubrina (Vell.) Brenan.

... and basic density ...and basic density radial variation pattern from pith-to-bark between hardwoods with an increase in vessel diameter favoring hydraulic conductivity, iber wall thickness and ...

9

CARACTERISTICAS ANATÔMICAS, ULTRAESTRUTURAIS, FÍSICAS E MECÂNICAS DA MADEIRA DE CLONES DE Eucalyptus grandis × Eucalyptus urophylla COM DOIS ANOS DE IDADE

CARACTERISTICAS ANATÔMICAS, ULTRAESTRUTURAIS, FÍSICAS E MECÂNICAS DA MADEIRA DE CLONES DE Eucalyptus grandis × Eucalyptus urophylla COM DOIS ANOS DE IDADE

... wood basic density in the radial direction, facilitating its machinability, and with the Clone B, showed a lower anisotropy, and therefore, the wood is recommended for locations with high variations of ...

8

ENERGY ESTIMATE AND CARBON STOCK IN SHORT-ROTATION

ENERGY ESTIMATE AND CARBON STOCK IN SHORT-ROTATION

... The basic density of the wood, stem volume with and without bark and dry biomass, accumulated carbon, assimilated carbon dioxide and estimated energy for each shoot component were determined for two hybrid ...

8

Characteristics of Wood and Charcoal from Eucalyptus clones

Characteristics of Wood and Charcoal from Eucalyptus clones

... wood basic density values followed a linear tendency of increasing from the base to the top of the trees for both studied ...relative density of charcoal followed a positive quadratic trend, with ...

10

MATERIAL AND METHODS Genetic material

MATERIAL AND METHODS Genetic material

... Milagres et al. (2013) found a coefficient of determination of 0.55 to 0.71 and an error of 0.9 to 1.1 in cross validation for the total lignin content model using 136 Eucalyptus spp hybrid trees at the ages 3-7 years. ...

10

Characterization of eucalyptus clones subject to wind damage

Characterization of eucalyptus clones subject to wind damage

... The mechanical properties of wood and the growth stress of trees showed a relationship with the area of wind damage (Table 4). The modulus of rupture showed a better relationship with the area damaged by the winds per ...

8

Biomass allometry and carbon factors for a Mediterranean pine (Pinus pinea L.) in Portugal

Biomass allometry and carbon factors for a Mediterranean pine (Pinus pinea L.) in Portugal

... Forests play an important role in the global carbon balance because they offset a large portion of the carbon dio- xide emitted through human activities. Accurate estimates are necessary for national reporting of ...

16

2 MATERIAL AND METHODS 2.1 Biological material

2 MATERIAL AND METHODS 2.1 Biological material

... yet basic density is considered the main indicator of wood quality, as it correlates with all other wood properties, including retractability (WU et ...Also, density affects all processes in which ...

8

ATRIBUTOS DO SOLO E QUALIDADE DA MADEIRA PARA PRODUÇÃO DE CELULOSE EM PLANTAÇÕES CLONAIS DE Eucalyptus grandis

ATRIBUTOS DO SOLO E QUALIDADE DA MADEIRA PARA PRODUÇÃO DE CELULOSE EM PLANTAÇÕES CLONAIS DE Eucalyptus grandis

... the basic wood density of Eucalyptus grandis (Retief et ...between basic wood density and tree volume (Figure ...influence basic density, regardless of soil type, which is in ...

8

INFLUÊNCIA DO ESPAÇAMENTO DE PLANTIO NAS PROPRIEDADES DA CASCA DE UM CLONE DE Eucalyptus

INFLUÊNCIA DO ESPAÇAMENTO DE PLANTIO NAS PROPRIEDADES DA CASCA DE UM CLONE DE Eucalyptus

... The growth conditions of the trees, affected by the spacing, may explain the results of bark basic density. As is known, the wider the spacing; the lower the competition among trees, thus presenting greater ...

6

Water Flow Evaluation in Eucalyptus and Corymbia Short Logs

Water Flow Evaluation in Eucalyptus and Corymbia Short Logs

... The aim of this study is to evaluate the free and adsorbed water flow in short logs of Eucalyptus urophylla and Corymbia citriodora clones. 40 cm long, short logs were extracted from the base of the trees. Three trees ...

7

USING NEAR INFRARED SPECTROSCOPY Silviana Rosso1 , Graciela Ines Bolzon de Muniz2

USING NEAR INFRARED SPECTROSCOPY Silviana Rosso1 , Graciela Ines Bolzon de Muniz2

... bulk density at 0% and 12% moisture for 27-year-old Eucalyptus grandis, used for calibrating the models based on partial least squares ...of basic density along the radial plane under the influence ...

6

REDES NEURAIS ARTIFICIAIS COMO NOVA FERRAMENTA PARA AVALIAÇÃO E MONITORAMENTO DA UMIDADE DA MADEIRA

REDES NEURAIS ARTIFICIAIS COMO NOVA FERRAMENTA PARA AVALIAÇÃO E MONITORAMENTO DA UMIDADE DA MADEIRA

... wood basic density was inversely proportional to moisture in the initial drying periods and directly proportional to moisture during the final stages of ...using basic density and days of ...

7

Mat. Res.  vol.16 número5

Mat. Res. vol.16 número5

... Basic density (D) of healthy wood samples (T1) showed higher average value and was statistically different from all groups with an attack by xylophagous organisms (T2, T3, T4 and T5) (Table ...

6

CORRELAÇÕES ENTRE IDADE E QUALIDADE DA MADEIRA E QUALIDADE DO CARVÃO VEGETAL DE CLONES DE EUCALIPTO

CORRELAÇÕES ENTRE IDADE E QUALIDADE DA MADEIRA E QUALIDADE DO CARVÃO VEGETAL DE CLONES DE EUCALIPTO

... the density values, on the volatile material content, on the mechanical resistance and on the gravimetric yield of the ...the basic density is directly connected to the apparent density of the ...

10

Avaliação de clones de eucalipto sujeitos a danos pelos ventos e utilização de sua madeira na indústria florestal

Avaliação de clones de eucalipto sujeitos a danos pelos ventos e utilização de sua madeira na indústria florestal

... breakage, basic density, ultrastructure, anatomy, mechanical properties, growth stress and chemical composition of wood have been evaluated in seven two-years-old Eucalyptus grandis × Eucalyptus urophylla ...

75

CONTROLE GENÉTICO E INTERAÇÃO GENÓTIPO X AMBIENTE DO PESO DE MADEIRA EM CLONES DE Eucalyptus NO ESTADO DO RIO GRANDE DO SUL

CONTROLE GENÉTICO E INTERAÇÃO GENÓTIPO X AMBIENTE DO PESO DE MADEIRA EM CLONES DE Eucalyptus NO ESTADO DO RIO GRANDE DO SUL

... However, several researchers have recommended that wood quality analyses, in line with the criteria for productivity per hectare, should be taken into consideration in research of the G x E interaction and in Eucalyptus ...

10

EFFECT OF AGE AND DIAMETER CLASS ON THE PROPERTIES OF WOOD FROM CLONAL Eucalyptus

EFFECT OF AGE AND DIAMETER CLASS ON THE PROPERTIES OF WOOD FROM CLONAL Eucalyptus

... Based on the physical and thermal characteristics, an increasing tendency was noted with advancing age in values of basic density, dry matter weight per stem, carbon content in the stem and energy ...

8

Show all 4149 documents...

temas relacionados