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STP is an American brand of automotive aftermarket products, especially lubricants such as motor oil and motor oil additives. The name began as an abbreviation of Scientifically Treated Petroleum . The brand has been owned by Energizer Holdings since November 2018.
Until 1982, STP was defined as a temperature of 273.15 K (0 °C, 32 °F) and an absolute pressure of exactly 1 atm (101.325 kPa). Since 1982, STP has been defined as a temperature of 273.15 K (0 °C, 32 °F) and an absolute pressure of exactly 1 bar (100 kPa, 10 5 Pa).
STP (motor oil company) Segmenting-targeting-positioning, a framework in marketing; Society for Threatened Peoples, an international NGO; Space Test Program, a spaceflight provider for US DoD; Straight-through processing, in securities transaction; Suntech Power (NYSE symbol STP)
RSPP – a publicly-traded oil and gas producer focused on horizontal drilling of multiple stacked pay zones in the oil-rich Permian basin [citation needed] [clarification needed] RSS – rig site survey; RSS – rotary steerable systems; RST – reservoir saturation tool (Schlumberger) log; RTMS – riser tension monitoring system
where x is the pressure divided by the vapor pressure for the adsorbate at that temperature (usually denoted /), v is the STP volume of adsorbed adsorbate, v mon is the STP volume of the amount of adsorbate required to form a monolayer, and c is the equilibrium constant K we used in Langmuir isotherm multiplied by the vapor pressure of the ...
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The term sewage treatment plant (STP) (or sewage treatment works) is nowadays often replaced with the term wastewater treatment plant (WWTP). [7] [8] Strictly speaking, the latter is a broader term that can also refer to industrial wastewater treatment. The terms water recycling center or water reclamation plants are also in use as synonyms.
Motor oil is used for the lubrication, cooling, and cleaning of internal combustion engines. Motor oil may be composed of only a lubricant base stock in the case of mostly obsolete non-detergent oil, or a lubricant base stock plus additives to improve the oil's detergency, extreme pressure performance, and ability to inhibit corrosion of engine ...