Of course, this mechanism would require rapid equilibration of the oxodisulfonium intermediates prior to deactivation by diphenylsulfoxide.
The set-point was +1 V, 30 pA, and z-offset ≤ 200 pm prior to deactivation of the feedback loop for recording the local differential tunneling conductance, d I/d V, with a sweep time of 120 s.
The maximum removal of Cr VI) reached, prior to deactivation of the Pd-BnM catalyst, was measured in batch systems with excess Cr VI), as model solutions or COPR leachate, and electron donor; 1 M formate or periodic re-saturation with H2 gas.
Although the photocatalytic process relies on the creation of excited oxygen species close to the titania surface, it is thought that the mean free paths of these species prior to deactivation by collision with air molecules are small, meaning that the photocatalytic process is highly localized.
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Some agglomerates of platinum particles can be observed within or upon the micropore channels of the coked USY-A, in Fig. 10, with the most likely explanation for this being catalyst regeneration prior to each deactivation run at each reaction temperature may have resulted in the sintering of supported platinum.
Part of the 1O2 diffuses into the organic compartments prior to fast physical deactivation of 1O2 by water molecules.
No quantitative claims regarding activation or deactivation kinetics prior to τ90% are made.
In PCC and RANG, greater effort was associated with greater deactivation, supporting prior work suggesting that greater attention to task is associated with a reduced BOLD signal in these areas (McKiernan et al. 2003).
Indeed, a prior study showed that hypothalamic deactivation after oral glucose administration was markedly attenuated in obese subjects [47] and our findings further suggest abnormal hypothalamic sensitivity to vagal stimulation in obesity.
