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The objective of this study was to introduce a new high-performance diameter distribution function. The long-term repeated measurement data sets, consisted of 150 diameter frequency distributions from Chinese fir (Cunninghamia lanceolata) plantations in the southern China, were used. R distribution had presented a more accurate simulation than three-parametric Weibull function. The parameters p, q...
The research area's land use data and vegetation cover data were extracted from the remote sensing imagery, which were acquired in 2001 and 2008. Then combined with topographic data, the soil erosion data of study area in 2001and 2008 were acquired. Final, the spatial and temporal patterns of soil erosion over the study area from 1985 to 2008 were examined and the major changing soil erosion types...
To construct a human neck finite element model for biomechanical studies. A normal man was scanned by multilayer spiral CT in order to get transverse section images. Then 3D model was reconstructed in software Mimics and the finite element model was developed in software TrueGrid and software ANSYS. Finally, model was simulated in software LS-DYNA. The model was composed of cervical vertebrae, discs,...
Study on Activities of Daily Living(ADLs) can be used in many research fields, but it is very complex. In this paper 40 basic ADLs were summarized by collecting and analyzing all the ADLs of human body. Then the experiments on 9 healthy adults who performed these 40 activities were conducted. All the procedure was recorded by using a digital vidicon. As a result 17 typical basic actions were obtained...
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