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It has an approximate composition of SeS 2, with individual rings varying in composition, such as Se 4 S 4 and Se 2 S 6. Selenium disulfide has been used in shampoo as an anti dandruff agent, an inhibitor in polymer chemistry, a glass dye, and a reducing agent in fireworks .
Cycle Oregon is a non-profit organization best known for its week-long, non-competitive bike ride, called Classic, held as a fundraiser for the Cycle Oregon Fund. Cycle Oregon additionally hosts GRAVEL, a weekend cycling event, Joyride , a one-day cycling event for women only and WEEKENDER, a weekend cycling event often hosted on a college campus.
A few of these appeared more recently, in the last 50–200 million years, in fruits and flowers of angiosperm plants. In fact, the angiosperms (the dominant type of plant today) and most of their antioxidant pigments evolved during the late Jurassic period. About 200 Mya, new selenoproteins were developed as mammalian GSH-Px enzymes. [53] [54 ...
800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For premium support please call: ... If authenticated, Féret's 200-year-old message in a bottle will be the oldest ever found.
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Americans believe it now takes an average net worth of $2.5 million to be counted as rich, a 14% increase from last year's $2.2 million, according to a new survey from Charles Schwab. That may ...
The back-end of the nuclear fuel cycle, mostly spent fuel rods, contains fission products that emit beta and gamma radiation, and actinides that emit alpha particles, such as uranium-234 (half-life 245 thousand years), neptunium-237 (2.144 million years), plutonium-238 (87.7 years) and americium-241 (432 years), and even sometimes some neutron ...
As at Sep 25, 2024, solar cycle 25 is averaging 39% more spots per day than solar cycle 24 at the same point in the cycle (Sep 25, 2013). Year 1 of SC25 (Dec 2019 to Nov 2020) averaged 101% more spots per day than year 1 of SC24. Year 2 of SC25 (Dec 2020 to Nov 2021) averaged 7% more spots per day than year 2 of SC24.