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Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water.
Maintenance-free DPFs oxidise or burn larger particles until they are small enough to pass through the filter, though often particles "clump" together in the DPF reducing the overall particle count as well as overall mass. [30] [31] There are a variety of diesel particulate filter technologies on the market. Each is designed around similar ...
With its melodic hooks and heavy MTV exposure, Pyromania became a massive success, and was a major catalyst for the 1980s pop-metal movement. [12] The album sold six million copies in the US in its original release (about 100,000 copies per week for much of the year).
In a power system, a load curve or load profile is a chart illustrating the variation in demand/electrical load over a specific time. Generation companies use this information to plan how much power they will need to generate at any given time. A load duration curve is similar to a load curve. The information is the same but is presented in a ...
PERT chart for a project with five milestones (labeled 10–50) and six tasks (labeled A–F). There are two critical paths, ADF and BC. A somewhat different DAG-based formulation of scheduling constraints is used by the program evaluation and review technique (PERT), a method for management of large human projects that was one of the first ...
Def Leppard was formed in 1977 by vocalist Joe Elliott, bass player Rick "Sav" Savage, guitarist Pete Willis, and drummer Tony Kenning. They later released the EP The Def Leppard E.P. in 1979. [2] The band signed with Mercury Records and released their debut full-length album On Through the Night.
That same year he had a cameo appearance during the fifteenth season of the FOX animated television series Family Guy in an episode titled "Peter's Def Jam". In a scene where Stewie Griffin said to his dog Brian Griffin that thanks to him, there's a recurring flea problem in Stewie's room, Flea enters and plays a bass line. He asks Brian if he ...
System of a Down is an Armenian-American heavy metal band formed in Glendale, California, in 1994.Since 1997, the band has consisted of founding members Serj Tankian (lead vocals, keyboards); Daron Malakian (guitar, vocals); Shavo Odadjian (bass, backing vocals); along with John Dolmayan (drums), who replaced original drummer Andy Khachaturian in 1997.