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23 kwi 2009 · Ionization of N 2 O 4 in and on thin water films on surfaces is believed to be a key step in the hydrolysis of NO 2 which generates HONO, a significant precursor to the OH free radical in the lower atmosphere.
Abstract: Ionization of N2O4 in and on thin water films on surfaces is believed to be a key step in the hydrolysis of NO2 which generates HONO, a significant precursor to the OH free radical in the lower atmosphere.
1 maj 2009 · The new mechanism allows N2O4 to react with H2O with a significantly lower barrier (< 13.1 kcal/mol) than the commonly known tight transition state (∼30-45 kcal/mol) by concurrent stretching of...
1 cze 2011 · The key features of the action potential are that it is: (1) an all-or-none event, rather than a graded response; (2) it is self-propagating, such that the wave of depolarization travels rapidly along the plasma membrane; and (3) it is transient, such that membrane excitability is quickly restored.
By the end of this section, you will be able to: Describe how movement of ions across the neuron membrane leads to an action potential. Describe the components of the membrane that establish the resting membrane potential. Describe the changes that occur to the membrane that result in the action potential.
Ionization of N 2 O 4 in and on thin water films on surfaces is believed to be a key step in the hydrolysis of NO 2 which generates HONO, a significant precursor to the OH free radical in the lower atmosphere.
Based on the results in Figures 1 and 2, the changes in the potential energy (ΔE p) during the reaction of N 2 O 4 with ω(H 2 O) = 0.2, 1.0, 2.0, and 6.0% were analyzed as shown in Figure 3, with the unit au/atom meaning the total potential energy of the system divided by the total number of atoms.When N 2 O 4 comes into contact with H 2 O, the potential energy of the whole system decreases ...
