Modelling of pyrolysis in wood

... variation in shape of within-ring frequency distributions of wood density RESULTS 3.1 Statistics describing within-ring distribution of wood density From wood density histograms within a single ring ... change in distribution of within-ring density for one sd increase in ring width is presented in Figure 3.4 Differences among clones in within-r...

Ngày tải lên: 08/08/2014, 00:21

... reduction COST ACTION E36 Modelling and simulation in pulp and paper industry Proceedings of Model Validation Workshop Espoo, Finland, October, 2005 Edited by Johannes Kappen, PTS, Germany Jussi Manninen, ... FI02044 VTT, Finland phone internat + 358 20 722 111, fax + 358 20 722 5000 Preface COST E36 is a European Action on modelling and simulation...

Ngày tải lên: 09/03/2014, 01:20

... 64 L Matejicek: Spatial modelling of air pollution in urban areas with GIS Fig The standalone software application for integrated evaluation of air quality Methods of integration air quality ... pollution in urban areas with GIS a sample of the spatial interpolation of air pollution in the area Again, in addition to standard analysis, the...

Ngày tải lên: 23/03/2014, 02:20

... to a source and carry the information concurrently to the destination in order to achieve load balancing and rapid delivery of the information In a wireless sensor network, both single paths and ... reveals a gain which increases with the reduction of the play-back delay Note however that while multipath routing may result in playback delay gain, increasing the path...

Ngày tải lên: 21/06/2014, 17:20

... droplets of a precursor solution into an infrared laser beam and depositing the resulting aerosol onto a Corning glass substrate A wavelength tuneable continuous wave (cw) CO2 laser was used in the ... with C2H2 as carrier gas, shows remarkable differences in morphology from when O2 is the carrier gas as shown in Figs and The C2H2 -synthesized sample has a low...

Ngày tải lên: 22/06/2014, 01:20

... Multi-Scale Non-Fickian Dispersion in Porous Media - An Approach Based on Stochastic Calculus, Don Kulasiri   p.  cm ISBN 97 8-9 5 3-3 0 7-7 2 6-0 free online editions of InTech Books and Journals can be ... approximated by using constitutive relationships for the medium 6 Computational Modelling of Multi-Scale Non-Fickian Dispersion in Por...

Ngày tải lên: 28/06/2014, 08:20

... Multi-Scale Non-Fickian Dispersion in Porous Media - An Approach Based on Stochastic Calculus, Don Kulasiri   p.  cm ISBN 97 8-9 5 3-3 0 7-7 2 6-0 free online editions of InTech Books and Journals can be ... approximated by using constitutive relationships for the medium 6 Computational Modelling of Multi-Scale Non-Fickian Dispersion in Por...

Ngày tải lên: 29/06/2014, 09:20

... In this paper, we report results from an investigation of the effect of inbreeding on wood density in a mature inbreeding trial (17 years old) and discuss the potential effectiveness of the inbreeding ... (table I) Inbreeding increased the variation of wood density among individual trees and the progenies of second-generation selfing had the largest v...

Ngày tải lên: 30/06/2014, 04:13

... decline and yellowing of assimilatory apparatus in forest stands managed by Forest Administration in Horní Maršov, KRNAP Our analyses included forest stands aged from 10 to 80 years originating ... objective was to make a comparison (within one forest stand or one forest site) of the development and health condition of root systems in declining and healthy trees o...

Ngày tải lên: 07/08/2014, 10:21

... stock of litter and soil by origin, and the transfers of carbon in litter and soil between forests and other land uses in Finland’s forests between 1922 and 2004 Figure Annual changes in the ... forests and an expanded forested area (see Fig 1) Carbon accumulated mainly in the biomass of trees, Carbon sink of Finland’s forests Figure Carbon stoc...

Ngày tải lên: 07/08/2014, 16:20

... study the assumption was made that the shape of red heartwood results from the conditions of red heart initiation and development until the point in time of observation Referring to Zycha [20] red ... also the red heartwood, in addition to the white beechwood In conclusion, an approach was presented to the modelling of the shape of red heartwo...

Ngày tải lên: 07/08/2014, 16:20

... wood in Norway spruce Compression wood is known to contain more lignin, have higher density and MfA and have lower MOE and MOR Variation in wood properties of spruce than normal wood [46] Since ... natural Norway spruce stand grown in a long term progeny test MATERIALS AND METHODS Controlled crosses were performed in the spring of 1973 in a natural stand of...

Ngày tải lên: 07/08/2014, 16:21

... mass-selected within the Meseta Norte stonepine stands The ramets were planted in 1992 in × m setting in a gap of an aged stonepine stand, so lateral pollination guarantees cone setting An automatic ... pattern of relative growth referred to final amount The established model Growth and phenology modelling of Stone pine Table III Analysis of variance for shoot and...

Ngày tải lên: 08/08/2014, 01:21

... DISCUSSIONS The aim of this study is to improve the relation that allowed calculating cutting forces involved during machining, and to take into account, more precisely, the influence of wood material in ... crack propagation in the wood cutting process influences either the quality of the chip in veneer cutting, or the quality of the residual su...

Ngày tải lên: 08/08/2014, 01:22

... screening A value of above 3.0 is regarded as satisfactory for screening (for example in plant breeding) , values of and upward are suitable for quality control analysis, and values of above are ... composition of lignin, shrinkage or the extent of longitudinal growth stress This paper evaluates the potential of NIRS for the assessment of some major chemic...

Ngày tải lên: 08/08/2014, 14:20