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9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) is an organophosphorus compound that is used to produce fire retardants.From the chemistry perspective, it is a derivative of hypophosphorous acid as well as a derivative of phenanthrene.
The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base.In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.
1.12 EC 3.1.15: Exonucleases Active with either Ribo- or Deoxyribonucleic Acids and Producing 5'-Phosphomonoesters. 1.13 EC 3.1.16: ...
For the regular dodecagon, m=6, and it can be divided into 15: 3 squares, 6 wide 30° rhombs and 6 narrow 15° rhombs. This decomposition is based on a Petrie polygon projection of a 6-cube, with 15 of 240 faces. The sequence OEIS sequence A006245 defines the number of solutions as 908, including up to 12-fold rotations and chiral forms in ...
The alleged suspects, identified as a 31-year-old man and a 44-year-old woman, wore turnout gear and had helmets and radios, officials said.
Name First elements Short description OEIS Mersenne prime exponents : 2, 3, 5, 7, 13, 17, 19, 31, 61, 89, ... Primes p such that 2 p − 1 is prime.: A000043 ...
The U.S. Justice Department has launched a probe into UnitedHealth's Medicare billing practices in recent months, the Wall Street Journal reported on Friday, sending the healthcare conglomerate's ...
In my case, it was the difference between earning 0.1% APY and 3.8% APY. If I had saved $10,000 in the account, this would have amounted to a difference of $370 a year in interest income.