The segregation ratio of Cr and Mn in spot segregation and banded structure increases with the increasing in the size of the defect in the gear steel. The results of the solute segregation behavior, the statistical distribution of the feature size and the relative location of the spot segregation and banded defect is quantitatively corresponded. The tube diameter ranges from several micrometres (or even a fraction of a. Pak1 is a central player in dendrite branching as dominant-negative Pak1 suppresses dendrite complexity, whereas constitutively active Pak1 increases branching in hippocampal neurons (Hayashi et al. Porosity type and speckle type of spot segregation in the equiaxed zone of the billet are observed, leading to the formation of single band and cluster band in the rod, respectively. The dendritic space is shaped by the membrane into a tube-like branching structure. A neurons contribution to the information flow within a neural circuit is governed by the structure of its dendritic arbor. Our findings suggest that the dendritic tree of motor neurons deprived of descending influences is rapidly pruned, and this finding is not observed in motor neurons after SCT if hindlimbs are exercised. Using computational models of neocortical pyramidal cells, we here show that not only the total length of the apical dendrite but also the topological structure. The carbon content fluctuation in the equiaxed zone of the billet is more severe than columnar zone, and a hereditary distribution is also found in the rod. Increased exercise had very modest effects on dendrite morphology, indicating an upper limit of use-dependent dendrite growth. The columnar and equiaxed structure observed in the hot-rolled rod is actually the dendrite segregation, inherited from the dendrite grain formed during solidification process in continuous cast billet. Their den-3 dritic branches run along the direction of contraction, possibly a functional requirement4 to maximise membrane curvature during crawling contractions. In order to reveal the relationship between solidification structure and solute unevenness in the continuously cast billet and hot-rolled rod in a medium carbon gear steel, the macrostructure, carbon content, dendrite evolution, spot segregation and banded defect was experimentally studied. The complex morphology of neuronal dendrites and synapses ( Fig. Abstract1 Class I ventral posterior dendritic arborisation (c1vpda) proprioceptive sensory neurons2 respond to contractions in the Drosophila larval body wall during crawling. The homogeneity of composition and microstructure in the steel matrix takes great influence on the service performance of the final product.
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