Search results
Results From The WOW.Com Content Network
Polyvinyl chloride (alternatively: poly (vinyl chloride), [ 6 ][ 7 ] colloquial: vinyl[ 8 ] or polyvinyl; abbreviated: PVC[ 8 ]) is the world's third-most widely produced synthetic polymer of plastic (after polyethylene and polypropylene). About 40 million tons of PVC are produced each year. [ 9 ]
Cardiology. A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger.
Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. CPVC is significantly more flexible than PVC, and can also withstand higher temperatures. Uses include hot and cold water delivery pipes and industrial liquid handling. CPVC, like PVC, is deemed safe for the transport and use of ...
Sign in to your AOL account to access your email and manage your account information.
Vinyl chloride is an organochloride with the formula H 2 C=CHCl. It is also called vinyl chloride monomer (VCM) or chloroethene.This colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride (PVC).
The PVC superphylum is a superphylum of bacteria named after its three important members, Planctomycetota, Verrucomicrobiota, and Chlamydiota. [ 2 ] [ 3 ] Cavalier-Smith postulated that the PVC bacteria probably lost or reduced their peptidoglycan cell wall twice. [ 4 ]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
PNC Bank Corporate Footprint. The PNC Financial Services Group, Inc. is an American bank holding company and financial services corporation based in Pittsburgh, Pennsylvania. Its banking subsidiary, PNC Bank, operates in 27 states and the District of Columbia, with 2,629 branches and 9,523 ATMs. PNC Bank is on the list of largest banks in the ...