1. For reaction ( 19 ), only the lowest vibrational levels are accounted. 2. This shows that the vibrational relaxation effectively depopulates the highest vibrational levels . 3. According to other authors, the set of vibrational levels are taken into account. 4. An incoming particle can excite either an electron level or a vibrational level . 5. These rates do not vary with the vibrational level of the colliding molecules. 6. Direct measurements of k and k are available without specifying the vibrational levels involved: 7. S 0 transition ( the transition is usually being to a vibrational level above S 0 ). 8. Dreiling and Setser provide order of magnitude values for k and k for a given vibrational level . 9. Likewise, there is no analogous expression for the vibrational level energies for this region and more sophisticated approximations must be employed. 10. "The Third Extension, " says Yin, " is setting your prayer-field to go out and increase the energy and vibrational levels of others.