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  2. Player versus player - Wikipedia

    en.wikipedia.org/wiki/Player_versus_player

    PvP is often controversial when used in role-playing games. In most cases, there are vast differences in abilities between players. PvP can even encourage experienced players to immediately attack and kill inexperienced players. [3] PvP is often referred to as player killing in the cases of games which contain, but do not focus on, such ...

  3. Cover system - Wikipedia

    en.wikipedia.org/wiki/Cover_system

    A cover system is a video game gameplay mechanic that allows a virtual avatar to hide from and avoid dangers, usually in a three-dimensional world. This method is a digital adaptation of the real-life military tactic of taking cover behind obstacles, for purposes of attaining protection from enemy ranged or area effect attacks, such as gunfire or explosions.

  4. Peroxide - Wikipedia

    en.wikipedia.org/wiki/Peroxide

    The peroxide group is marked in blue. R, R 1 and R 2 mark hydrocarbon moieties. The most common peroxide is hydrogen peroxide (H 2 O 2), colloquially known simply as "peroxide". It is marketed as solutions in water at various concentrations. Many organic peroxides are known as well. In addition to hydrogen peroxide, some other major classes of ...

  5. PvP (webcomic) - Wikipedia

    en.wikipedia.org/wiki/PvP_(webcomic)

    PvP, also known as Player vs Player, was a longrunning video game webcomic, written and drawn by Scott Kurtz. It was launched on May 4, 1998. It was launched on May 4, 1998. The webcomic follows the events at a fictional video game magazine company, featuring many running gags and references with a focus on nerd culture .

  6. Polyvinylpyrrolidone - Wikipedia

    en.wikipedia.org/wiki/Polyvinylpyrrolidone

    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.

  7. Sodium peroxide - Wikipedia

    en.wikipedia.org/wiki/Sodium_peroxide

    Sodium peroxide is an inorganic compound with the formula Na 2 O 2.This yellowish solid is the product of sodium ignited in excess oxygen. [3] It is a strong base. This metal peroxide exists in several hydrates and peroxyhydrates including Na 2 O 2 ·2H 2 O 2 ·4H 2 O, Na 2 O 2 ·2H 2 O, Na 2 O 2 ·2H 2 O 2, and Na 2 O 2 ·8H 2 O. [4] The octahydrate, which is simple to prepare, is white, in ...

  8. α-Pyrrolidinopentiophenone - Wikipedia

    en.wikipedia.org/wiki/Α-Pyrrolidinopentiophenone

    α-Pyrrolidinopentiophenone (α-PVP), also known as α-pyrrolidinovalerophenone, 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.

  9. Vaporized hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Vaporized_hydrogen_peroxide

    Vaporized hydrogen peroxide (trademarked VHP, [1] also known as hydrogen peroxide vapor, HPV) is a vapor form of hydrogen peroxide (H 2 O 2) with applications as a low-temperature antimicrobial vapor used to decontaminate enclosed and sealed areas such as laboratory workstations, isolation and pass-through rooms, [2] and even aircraft interiors ...