.In the first half monthof year, Lin Min’s income _____10,00 yuan per month

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Possible Role of GAP-43 in Calcium Regulation/Neurotransmitter Release - NORDEN - 1991 - Annals of the New York Academy of Sciences - Wiley Online Library
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Save publications, articles and searchesGet email alertsGet all the benefits mentioned below!Nonlinear phase-separation behavior of poly(methyl methacrylate)/poly(styrene-co-maleic anhydride) blends - Lin - 2012 - Polymer International - Wiley Online Library
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The nonlinear phase-separation behavior of poly(methyl methacrylate)/poly(styrene-co-maleic anhydride) (PMMA/SMA) blends over wide appropriate temperature and heating rate ranges was studied using time-resolved small-angle laser light scattering. During the non-isothermal process, a quantitative logarithm function was established to describe the relationship between cloud point (Tc) and heating rate (k) as given by Tc = Alnk + T0, in which the parameter A, reflecting the heating rate dependence, is much different for different compositions due to phase-separation rate and activation energy difference. For the isothermal phase-separation process, an Arrhenius-like equation was successfully applied to describe the temperature dependence of the apparent diffusion coefficient (Dapp) and the relaxation time (&) of the early stage as well as the late stage of spinodal decomposition (SD) of PMMA/SMA blends. Based on the successful application of the Arrhenius-like equation, the related activation energies could be obtained from Dapp and & of the early and late stages of SD, respectively. In addition, these results indicate that it is possible to predict the temperature dependence of the phase-separation behavior of binary polymer mixtures during isothermal annealing over a range of 100 &C above the glass transition temperature using the Arrhenius-like equation. & 2012 Society of Chemical IndustryOptions for accessing this content: If you are a society or association member and require assistance with obtaining online access instructions please contact our Journal Customer Services team.
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