The experimental results showed that SPEEK-alt-BI membranes exhibited promising oxidative and

hydrolysis stabilities. Although the base moieties in SPEEK-alt-BI main chain would capture proton and form reversible salt hindering the proton transfer capability, the conductivity of membrane VX-770 Transmembrane Transporters inhibitor 60SPEEK-alt-BI-H [Sulfonation degree (S.D.), 60% in form of proton] could achieve 22.61 mS/cm at 80 degrees C and 100% humidity. Meanwhile, the conductivity of membrane could reach 40.12 mS/cm with phosphorus acid doping. The methanol permeation coefficient of 60SPEEK-alt-BI membrane is 2.3 x 10(-8) cm2/s at 20 degrees C, which is magnitude lower than that of Nafion (R) 117, 1.11 x 10(-6) cm2/s. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012″
“The behavior of the transition temperature and critical current density for a Mo/Nb repeated bilayer system as a function of the number of periods was explored. The measured values of the transition temperature are compared to the

theoretical predictions for the proximity effect in the dirty limit. We find that the transition temperature does not decrease as the number of periods increase. In addition, inductive critical current density measurements also show a scaling that indicates the superconductivity properties are not dependent on the number of bilayers. (C) 2011 American Institute of Physics. [doi:10.1063/1.3650239]“
“Many studies involving lexical access in picture-naming tasks have been undertaken at a point in time, mainly focusing on age of acquisition (AoA). To identify the real determinates of lexical access in recovery and their traces in the brain, we carried out a longitudinal study on AZD7762 concentration a Chinese pure anomic patient using multiple logistic regression analysis. We found that AoA played an important role in early recovery but not in total recovery, whereas familiarity was significant in the whole process. From a new dynamic

point of view, our results indicate that selleck AoA and familiarity are the main determinants of lexical access in anomia recovery. We suggest that the changing effects of AoA during recovery may be related to the pathologic process; AoA and familiarity should be taken into account in constructing materials to assess and treat anomic patients.”
“The crosslinking of isotactic polypropylene (iPP) using crosslinking agents (CAs) based on a peroxide/sulfur/accelerator system is a very attractive new method that has been reported recently. The present work deals with the study of the dynamic rheological behavior of iPP during and after the crosslinking process. The influence of the CA concentration and the processing temperature T on the rheological behavior of the iPP was analyzed. The kinetics of the crosslinking reaction was established using the technique described by G. A. Harpell and D. H. Walrod. This reaction is found to be of order one. At T = 180 degrees C, the crosslinking reaction was faster.