Near-IR photodissociation of peroxy acetyl nitrate

Measurements of the C-H overtone transition strengths combined with estimates of the photodissociation cross sections for these transitions suggest that near-IR photodissociation of peroxy acetyl nitrate (PAN) is less significant (Jnear−IR ~3×10^−8 s^−1 at noon) in the lower atmosphere than competing sinks resulting from unimolecular decomposition and ultraviolet photolysis. This is in contrast to the photochemical behavior of a related peroxy nitrate, pernitric acid (PNA), that undergoes rapid near-IR photolysis in the atmosphere with Jnear−IR ~10^−5 s^−1 at noon (Roehl et al., 2002). This difference is attributed to the larger binding energy and larger number of vibrational degrees of 10 freedom in PAN, which make 4[Greek nu]CH the lowest overtone excitation with a high photodissociation yield (as opposed to 2[Greek nu]OH in PNA)

Phyla lanceolata (Michx.) Greene

https://thekeep.eiu.edu/herbarium_specimens_byname/19008/thumbnail.jp

Phyla lanceolata (Michx.) Greene

https://thekeep.eiu.edu/herbarium_specimens_byname/19008/thumbnail.jp

A preliminary report of multispectral scanner data from the Cleveland harbor study

Imagery obtained from an airborne multispectral scanner is presented. A synoptic view of the entire study area is shown for a number of time periods and for a number of spectral bands. Using several bands, sediment distributions, thermal plumes, and Rhodamine B dye distributions are shown

Avaliação de cultivares de milho nas regiões nordeste e oeste do Pará.

bitstream/item/27748/1/com.tec.77.pd

Spartan Daily, December 7, 1989

Volume 93, Issue 65https://scholarworks.sjsu.edu/spartandaily/7924/thumbnail.jp

Parallel Computing for Probabilistic Response Analysis of High Temperature Composites

The objective of this Phase I research was to establish the required software and hardware strategies to achieve large scale parallelism in solving PCM problems. To meet this objective, several investigations were conducted. First, we identified the multiple levels of parallelism in PCM and the computational strategies to exploit these parallelisms. Next, several software and hardware efficiency investigations were conducted. These involved the use of three different parallel programming paradigms and solution of two example problems on both a shared-memory multiprocessor and a distributed-memory network of workstations

The Tomokan Yearbook 1981

Rollins College\u27s yearbook for the Class of 1981.https://scholarship.rollins.edu/tomokan/1052/thumbnail.jp

The Tomokan Yearbook 1981

Rollins College\u27s yearbook for the Class of 1981.https://scholarship.rollins.edu/tomokan/1052/thumbnail.jp