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Get the Marysville, WA local weather forecast by the hour and the next 10 days. Get the Marysville, WA local weather forecast by the hour and the next 10 days. ... --UV Index. 5:37PM Sunset. 6 mph ...
Sunburn effect (as measured by the UV index) is the product of the sunlight power spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. [9] [10] The UV index is a number linearly related to the intensity of sunburn-producing UV radiation at a given point on the Earth's surface.
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The second paragraph of the introduction says “The UV index is designed as an open-ended linear scale…” The article, then refers to the (American) Fitzpatrick scale devised in 1975. Only in the third paragraph, the reader learns that the UV index was developed by Canadian scientists in 1992. The juxtaposition of these references is confusing.
UV exposure might, for example, affect serotonin levels, which play a significant role in mood regulation and cognitive functions. This hormonal effect can helps stabilize circadian rhythms. This stabilizing effect is particularly important for individuals with mental disorders, who often experience circadian desynchronization and sleep problems.
Get the Mount Vernon, WA local weather forecast by the hour and the next 10 days.
With the aid of these rules the UV absorption maximum can be predicted, for example in these two compounds: [8] In the compound on the left, the base value is 214 nm (a heteroannular diene). This diene group has 4 alkyl substituents (labeled 1,2,3,4) and the double bond in one ring is exocyclic to the other (adding 5 nm for an exocyclic double ...
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