Lithium Americium
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Lithium Americium
@lithiumamericium.bsky.social
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Whimseymaxxing
June 11, 2024 at 1:41 AM
Reposted by Lithium Americium
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Measurements of atmospheric OH during an eclipse in 1999:
agupubs.onlinelibrary.wiley.com/doi/epdf/10.... #chemsky 🧪
Hydroxyl radical and ozone measurements in England during the solar eclipse of 11 August 1999 Joanne P. Abram, David J. Creasey, Dwayne E. Heard, James D. Lee, Michael J. Pilling School of Chemistry, University of Leeds, UK The solar eclipse on 11 August 1999 provided a rare opportunity to observe the remarkably dynamic character of atmospheric photochemistry. OH formation is driven by sunlight, and the rapid changes in light intensity associated with a solar eclipse provide a unique, yet natural perturbation experiment to study the response of OH and the ensuing chemistry. Highly time-resolved measurements of OH and its rate of primary production were made at ground level during a 97% solar eclipse at Silwood Park, Ascot (51°25′N, 0°41′W) on 11 August 1999. The solar ultraviolet flux fell almost to nighttime levels, and the OH concentration decreased dramatically to below the detection limit of the instrument (2.1×105 molecule cm−3), before increasing again. The OH concentration is well correlated (r=0.88) to its rate of primary production from ozone photolysis. Shortly after maximum eclipse the concentration of ozone fell to 60% of its value at first contact. The study provides a striking demonstration
April 8, 2024 at 6:00 PM
lithiumamericium.bsky.social
Heterocycles are betterocycles
March 1, 2024 at 12:29 AM
lithiumamericium.bsky.social
My greatest fear is loosing both members of a pair of socks in the laundry at the same time and not realizing it
January 19, 2024 at 4:12 PM
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Cadmium cream eggs
October 1, 2023 at 3:32 PM