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Reaction of OAS-POSS-Cl with CF 3 SO 3 H in DMSO. B-E constitute intermediates isolated during A → F cage-rearrangement. B-E constitute intermediates isolated during A → F cage-rearrangement. Poly(phenylsilsesquioxane) does not adopt a cage structure, but is a polymer with a ladder-like repeating unit.
The National Geographic Society – Palomar Observatory Sky Survey (NGS-POSS, or just POSS, also POSS I) was a major astronomical survey, that took almost 2,000 photographic plates of the night sky. It was conducted at Palomar Observatory , California, United States, and completed by the end of 1958.
common gender (C.SG or cs common singular, C.PL or cp common plural) [33] [8] C: current evidence [21] C: conceptualizer [36]-C 'compass', in languages where relative position is based on cardinal direction rather than left, right, front and behind (ABLC compass ablative, ALLC compass allative) [43] C-complementizing (prefix on case ...
Polyethylene glycol (PEG; / ˌ p ɒ l i ˈ ɛ θ əl ˌ iː n ˈ ɡ l aɪ ˌ k ɒ l,-ˈ ɛ θ ɪ l-,-ˌ k ɔː l /) is a polyether compound derived from petroleum with many applications, from industrial manufacturing to medicine.
This is the list of Schedule I controlled substances in the United States as defined by the Controlled Substances Act. [1] The following findings are required for substances to be placed in this schedule: [2]
Carbon monosulfide is a chemical compound with the formula CS. This diatomic molecule is the sulfur analogue of carbon monoxide, and is unstable as a solid or a liquid, but it has been observed as a gas both in the laboratory and in the interstellar medium. [1] The molecule resembles carbon monoxide with a triple bond between carbon and sulfur.
PG is finally synthesized when a PGP phosphatase enzyme catalyzes the immediate dephosphorylation of the PGP intermediate to form PG. [4] In bacteria, another membrane phospholipid known as cardiolipin can be synthesized by condensing two molecules of phosphatidylglycerol; a reaction catalyzed by the enzyme cardiolipin-synthase. [ 5 ]
This is the list of Schedule II controlled substances in the United States as defined by the Controlled Substances Act. [1] The following findings are required, by section 202 of that Act, for substances to be placed in this schedule: