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standard temperature and pressure,

standard conditions for measurement of the properties of matter. The standard temperature is the freezing point of pure water, 0°C; or 273.15°K;. The standard pressure is the pressure exerted by a column of mercury (symbol Hg) 760 mm high, often designated 760 mm Hg. This pressure is also called one atmosphere and is equal to 1.01325×10 6 dynes per sq cm, or approximately 14.7 lb per sq in. The density (mass per volume) of a gas is usually reported as its value at STP. Properties that cannot be measured at STP are measured under other conditions; usually the values obtained are then mathematically extrapolated to their values at STP.
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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.




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(1) (Shielded Twisted Pair) Telephone wire that is wrapped in a metal sheath to eliminate external interference. See twisted pair.

(2) See spanning tree protocol and straight through processing.

(3) (Signal Transfer Point) A node in the SS7 telephone network that routes messages between exchanges and between exchanges and databases that hold subscriber and routing information. See SS7, SSP, SCP and AIN.

(4) (Serial ATA Tunneling Protocol) See serial attached SCSI.
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References in periodicals archive ?
Many P&C insurance companies have started setting up STP, also known as "One-touch" or "Fast-track" processing to streamline a significant portion of their claims volume.
The minister also took stock of the STP projects in Rishikesh which will be completed by December 2019 The project work is still under progress, a total of Rs 163.2 Crore has been sanctioned for the projects at Rishikesh.
STP manufactures electric power and mechanical engineering products based on modern technologies.
Sir Neil McKay, who holds the post of independent chairman for the Shropshire, Telford & Wrekin STP, said: "I'm delighted that Martin and Jill have joined the STP leadership team.
Vowing to create an enlightened and new Sindh, Dr Magsi said the STP had realistic assessment of political conditions nationally and internationally.
The STP, which costs P2.8 million to implement, is self-maintaining, thus incurring no maintenance costs at all for the DOF.
He also assured that the plant's capacity is sufficient to absorb the wastewater that comes through the connected networks to the STP or through the yellow tankers, which no longer have to wait to offload the wastewater.
Studies of the electroactivity of STP suggest that it adsorbs on the working electrode, and then it is reduced [6, 19].
The STP chairperson blamed the Pakistan Peoples Party (PPP)-led Sindh government for expelling Sindhis from Karachi.
Darsait STP is considered to be one of the largest and most significant projects in the region designed with the highest standards and specifications.
The semitensor product (STP) was proposed by Cheng and Zhang in [17].
US-based fund and investment manager software partner STP Investment Services has acquired financial software services firm Financial Control Systems Inc., the company said.