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Selenium is a component of the amino acids selenocysteine and selenomethionine. In humans, selenium is a trace element nutrient that functions as cofactor for glutathione peroxidases and certain forms of thioredoxin reductase. [1] Selenium-containing proteins are produced from inorganic selenium via the intermediacy of selenophosphate (PSeO 3 3 ...
Diploma of Associate Engineer (DAE) is awarded by the Punjab, Khyber Pakhtunkhwa (KPBTE), Sindh Boards of Technical Education and (FBISE) Federal Board of Intermediate and Secondary Education (Fbise.edu.pk) and is offered in various engineering disciplines such as electrical engineering, electronics engineering, civil engineering, mechanical ...
The isotope selenium-75 has radiopharmaceutical uses. For example, it is used in high-dose-rate endorectal brachytherapy, as an alternative to iridium-192. [8]In paleobiogeochemistry, the ratio in amount of selenium-82 to selenium-76 (i.e, the value of δ 82/76 Se) can be used to track down the redox conditions on Earth during the Neoproterozoic era in order to gain a deeper understanding of ...
Three boards, the Punjab Board of Technical Education (PBTE), KPK Board of Technical Education (KPKBTE) and Sindh Board of Technical Education (SBTE) offering Matric Tech. course called Technical School Certificate (TSC) (equivalent to 10th grade) and Diploma of Associate Engineering (DAE) in engineering disciplines like Civil, Chemical ...
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Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.
The Hawaiian islands are a popular tourist spot, and monk seals often show up on populated beaches. If a Hawaiian monk seal appears on a beach near you, stay at least 50 feet away.
The FBI has seized multiple websites that North Korean operatives used to impersonate legitimate US and Indian businesses in a likely effort to raise money for the nuclear armed-North Korean ...