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Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer compound made from the monomer N-vinylpyrrolidone. [1] PVP is available in a range of molecular weights and related viscosities, and can be selected according to the desired application properties.
α-Pyrrolidinopentiophenone (also known as α-pyrrolidinovalerophenone, α-PVP, O-2387, β-keto-prolintane, prolintanone, [2] [3] or desmethylpyrovalerone) is a synthetic stimulant of the cathinone class developed in the 1960s that has been sold as a designer drug and often consumed for recreational reasons. [4] [5] α-PVP is chemically related ...
HESA Saeqeh. HESA Kowsar. The Northrop F-5 is a family of supersonic light fighter aircraft initially designed as a privately funded project in the late 1950s by Northrop Corporation. There are two main models: the original F-5A and F-5B Freedom Fighter variants, and the extensively updated F-5E and F-5F Tiger II variants.
Jake Mintz & Jordan Shusterman talk about who should be the starting pitchers for the 2024 MLB All-Star Game, the Reds getting an impact from Rece Hinds, the Mets making a trade and the Boston Red ...
3. Running a mile every day for 30 days. “There are lots of reasons to love this one—not even for weight loss, per se. Running, or even just walking, one mile a day is good exercise without ...
An intelligent banknote neutralisation system ( IBNS) is a security system banks, ATMs, retail establishments, vending machines and the cash-in-transit industry, utilizes to render stolen funds un-useable and easily identifable. Dye packs are inserted between bills in random bundles. If a bundle containing a dye pack is removed from a specified ...
US stock futures barely budged after an assassination attempt on former President Donald Trump on Saturday, signaling calm in the markets as Trump survived the incident.
Soil texture is a classification instrument used both in the field and laboratory to determine soil classes based on their physical texture. Soil texture can be determined using qualitative methods such as texture by feel, and quantitative methods such as the hydrometer method based on Stokes' law .