Báo cáo lâm nghiệp: "Viscoelastic behaviour of green wood across the grain Part II A temperature dependent constitutive model defined by inverse method" pot

Báo cáo lâm nghiệp: "Viscoelastic behaviour of green wood across the grain. Part II. A temperature dependent constitutive model defined by inverse method" pot

Báo cáo lâm nghiệp: "Viscoelastic behaviour of green wood across the grain. Part II. A temperature dependent constitutive model defined by inverse method" pot

... one has to keep in mind that the number of parameters that may be identified from experi- mental data is limited by the quality and the parameter domain of the available data. The natural variability ... fit the behaviour of all remaining tests at higher temperature levels, including the 10 h long plateau at constant temperature. The parameter identification depic...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C" ppsx

Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C" ppsx

... Experimental raw data In the paper published by P. Perré and O. Aguiar [19] all the creep tests had a plateau temperature at 120 °C. As a result, all tests have the same time -temperature itinerary. ... normalised apparent MOE. Note also that final normalised values are sim- ilar for radial and tangential directions, whatever the plateau temperature. This observation confirm...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Historical development of floodplain forests in the Upper Moravian Vale (Vrapač National Nature Reserve, Czech Republic)" pot

Báo cáo lâm nghiệp: "Historical development of floodplain forests in the Upper Moravian Vale (Vrapač National Nature Reserve, Czech Republic)" pot

... Primeval Age till the end of Middle Ages ere are no direct data available for the analysis of the state of floodplain forests in the Vrapač area from the Neolithic Age till the end of Middle Ages. ... stream of the Morava River in the area of Vrapač. e recess of the Morava River into its own bed by means of the head erosion causes the upstream parts...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Habitat distribution of dipterocarp species in the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs" ppt

Báo cáo lâm nghiệp: "Habitat distribution of dipterocarp species in the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs" ppt

... malaanonan, Shorea palosapis, Shorea polysperma, and Vatica mangachapui can be classified as common and widespread. The species Hopea plagata, Hopea malibato, or Hopea philippinensis are locally ... common Hopea acuminata Merr. Manggachapui Manggachapui * ³ * Scattered Shorea palosapis (Blco.) Merr. Mayapis Philippine Mahogany - white lauan ** ** ** ** Common Shorea assamica Dyer Manggasin...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiêp: "Modélisation de l’évaporation globale d’un couvert forestier II. - Calibrages et résultats du modèl" pps

Báo cáo lâm nghiêp: "Modélisation de l’évaporation globale d’un couvert forestier II. - Calibrages et résultats du modèl" pps

... compte. D’après AussENAC (1980) la capacité maximale de saturation est supérieure dans ce cas. the parameters of the model, particularly the stomatal resistance function. The comparison between ... evaluation of the final soil moisture deficit towards its end. Then the use of the model s output data (actual evapotranspiration of the fo...
Ngày tải lên : 09/08/2014, 06:22
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Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx

Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx

... 1983). In this paper, we analyzed the flight activity of this species by means of the Malaise traps installed in several localities in 2005 and 2006, summarized data concerning occurrence of A. nebulosus ... Malaise traps in the Nízký Jeseník Hills, the flight activity started at the beginning of May and ended in mid-June with the peak at the end of May and begin...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps

Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps

... Section I, at the base of the stem (0.5–1.0 m above ground); II, midway between the base of the stem and the base of the crown; III, just below the base of the crown; IV, in the middle of the crown; ... beetle spots. In the culmination and retrogradation phases, outbreaks spread by further expansion from old spots. e same authors also indicated that in...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx

Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx

... consists of a search through the entire range of parameter space and the computation of the log-likelihood for each parameter value across the range. e solu- tion is given by achieving the largest ... estimated, and third, they are the best in the sense of having the minimum mean square error within the class of all linear unbiased estimates (M 1996)...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

... to a treatment e graphical analysis was done to evaluate the nutrient status by examining the tree response to a treatment. e application of wood ash and N fertilizers increased the mass of ... monitoring and analysis of the effects of air pollution on forests. Part IIIa. Sampling and analyses of soil. Hamburg, Geneva, Programme Coordinat- ing Centre: 1–108. V...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt

Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt

... structure of the assortments is composed of the quality and diameter classes of logs in accord- ance with the standard of the Slovakia STN 48 0056 for the qualitative classification of broadleaved ... prices of the assortments of raw timber and costs of logging ope- rations. Models of assortment yield tables They are in the form of mathematical models (P...
Ngày tải lên : 07/08/2014, 03:22
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