Sentences with phrase «uv radiation doses»
When the farm knows of an approaching hotter - than - usual summer season, for example, growers can increase UV radiation doses.
https://www.scientificamerican.com/ Not exact matches
With the southern sun beating down through clear waters, tropical corals need something to protect their delicate tissues from damaging doses of ultraviolet (UV) radiation.
Substances are tested on a mature epidermis model by applying them to the surface of the epidermis and exposing the model to defined, but non-toxic, doses of UV radiation.
Looking forward, the researchers are now hoping to examine other Ediacaran sediments from around the globe to verify the rapid reversals» signal, along with hunting for biological or chemical evidence for high doses of UV radiation in the fossil record.
Serrano and her colleagues estimated the time needed to obtain the recommended doses — which is equivalent to a daily intake of 1,000 IUs (international units) of vitamin D — in an area such as the city of Valencia, which receives a large dose of UV radiation throughout the year.
Koyuncu discovered this when she infected isolated axons with a small number of virus particles, which would normally travel to the cell bodies and be silenced, while simultaneously exposing the cell bodies to a large number of inactivated virus particles that have been dosed with ultraviolet radiation (UV).
In the atmosphere, a portion of the nitrogen winds up as nitrous oxide — laughing gas — which is not only a greenhouse gas that is 300 times more potent that carbon dioxide, but also destroys ozone, the gas that keeps us from getting more of a dose of UV radiation.
«Despite the low solar elevations in Antarctica, UV - B radiation doses in late spring during the ozone hole period can be sufficient to induce sunburn, and are about twice as great as those that would have occurred prior to the onset of ozone depletion.
«the impact of ozone - depleted air mass occurrences on ultraviolet radiation is evaluated by relating total ozone and UV erythemal dose measured at the stations.