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Polyoxymethylene(POM), also known as acetal,[4]polyacetal, and polyformaldehyde, is an engineering thermoplasticused in precision parts requiring high stiffness, low friction, and excellent dimensional stability. Short-chained POM (chain length between 8 and 100 repeating units) is also better known as paraformaldehyde(PFA).
In chemistry, a polyoxometalate (abbreviated POM) is a polyatomic ion, usually an anion, that consists of three or more transition metal oxyanions linked together by shared oxygen atoms to form closed 3-dimensional frameworks. The metal atoms are usually group 6 (Mo, W) or less commonly group 5 (V, Nb, Ta) and group 7 (Tc, Re) transition metals ...
The Principles of Mathematics (PoM) is a 1903 book by Bertrand Russell, in which the author presented his famous paradox and argued his thesis that mathematics and logic are identical. [ 1 ] The book presents a view of the foundations of mathematics and Meinongianism and has become a classic reference.
Pivaloyloxymethyl (POM, pivoxil, pivoxyl) is a protecting group used in organic synthesis. [1] The POM radical has the formula (CH 3) 3 C-CO-O-CH 2. The POM group is also sometimes used to produce prodrugs. For example, the POM group can be attached to a negatively charged organophosphate group (s) of a drug causing a neutralization of the ...
71 g (2.5 oz) The 2-pounder gun, officially the QF 2-pounder (QF denoting "quick firing") and universally known as the pom-pom, was a 40 mm (1.6 in) British autocannon, used as an anti-aircraft gun by the Royal Navy. [ note 1 ] The name came from the sound that the original models make when firing. This QF 2-pounder was not the same gun as the ...
The earliest known portrait of Wordsworth, painted in the year he wrote the first drafts of "The Lucy poems" [1] The Lucy poems are a series of five poems composed by the English Romantic poet William Wordsworth (1770–1850) between 1798 and 1801. All but one were first published during 1800 in the second edition of Lyrical Ballads, a ...
Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar.
POM Wonderful. POM Wonderful, LLC is a private company which sells an eponymous brand of beverages and fruit extracts. It was founded in 2002 by the billionaire industrial agriculture couple Stewart and Lynda Rae Resnick. [ 1 ] Through The Wonderful Company, their holding company, they are also affiliated with Teleflora, FIJI Water, pesticide ...