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Pressure swing adsorption (PSA) is a technique used to separate some gas species from a mixture of gases (typically air) under pressure according to the species' molecular characteristics and affinity for an adsorbent material.
Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.
Pacific Southwest Airlines ( PSA) was a low-cost US airline headquartered in San Diego, California, that operated from 1949 to 1988. It was the first substantial scheduled discount airline. PSA called itself "The World's Friendliest Airline" and painted a smile on the nose of its airplanes, the PSA Grinningbirds. [ 2]
PSA Airlines is an American regional airline headquartered at Dayton International Airport in Dayton, Ohio, United States.The airline is a wholly owned subsidiary of the American Airlines Group and it is paid by fellow group member American Airlines to staff, operate and maintain aircraft used on American Eagle flights that are scheduled, marketed and sold by American Airlines.
Pacific Southwest Airlines Flight 182 was a scheduled flight of Pacific Southwest Airlines (PSA) from Sacramento to San Diego with a stopover at Los Angeles.On September 25, 1978, the Boeing 727-214 [a] serving the flight, registration of N533PS, collided with a private Cessna 172 light aircraft, registration N7711G, over San Diego, California.
Pisa International Airport ( Italian: Aeroporto Internazionale di Pisa) ( IATA: PSA, ICAO: LIRP ), [3] also named Galileo Galilei Airport, [4] is an airport located in Pisa, Italy. It is one of the two major airports in Tuscany, the other being Florence Airport. Pisa is ranked 10th in Italy in terms of passenger numbers. [5]
PSA has now begun offering the AK-103, AK-104 and the AK-105, based on the modernized AK-100 family. Palmetto State Armory also produces a line of 1911 handguns, [ 5 ] AR-10 rifles, 9mm AR-style pistols [ 6 ] and various AR style rifled-uppers ranging in caliber and cartridge dimensions from .22 Long Rifle to .308 Win / 7.62x51 NATO .
Pressure-sensitive adhesive ( PSA, self-adhesive, self-stick adhesive) is a type of nonreactive adhesive which forms a bond when pressure is applied to bond the adhesive with a surface. No solvent, water, or heat is needed to activate the adhesive. It is used in pressure-sensitive tapes, labels, glue dots, stickers, sticky note pads, automobile ...