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PT, Pt, or pt may refer to: Arts and entertainment * ''P.T.'' (video game), acronym for ''Playable Teaser'', a short video game released to promote the cancelled video game ''Silent Hills'' * Porcupine Tree, a British progressive rock group In business Businesses * Capital Cargo International Airlines (IATA airline designator PT) * West Air Sweden (IATA airline designator PT) * Putnam Transit, a bus system that serves Putnam County, New York * Portugal Telecom, the largest telecommunications service provider in Portugal * ''Piteå-Tidningen'', a Swedish local newspaper Business terminology * Part-time job * Perseroan Terbatas, the Indonesian name for a limited liability company Political parties * ''Partido dos Trabalhadores'' (Brazil) (Workers' Party), a Brazilian political party * ''Parti des travailleurs'' (France) (Workers' Party), a defunct French political party * ''Partido dos Trabalhadores'' (Guinea-Bissau) (Workers' Party), a Bissau-Guinean political p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perseroan Terbatas
A business entity is an entity that is formed and administered as per corporate law in order to engage in business activities, charitable work, or other activities allowable. Most often, business entities are formed to sell a product or a service. There are many types of business entities defined in the legal systems of various countries. These include corporations, cooperatives, partnerships, sole traders, limited liability companies and other specifically permitted and labelled types of entities. The specific rules vary by country and by state or province. Some of these types are listed below, by country. For guidance, approximate equivalents in the company law of English-speaking countries are given in most cases, for example: *private company limited by shares or Ltd. (UK, Ireland and the Commonwealth) *public limited company (UK, Ireland and the Commonwealth) *limited partnership *general partnership *chartered company *statutory corporation *state-owned enterprise *holdin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porcupine Tree
Porcupine Tree are an English rock band formed by musician Steven Wilson in 1987. During an initial career spanning more than twenty years, they earned critical acclaim from critics and fellow musicians, developed a cult following, and became an influence for new artists. The group carved out a career at a certain distance away from mainstream music, being described by publications such as ''Classic Rock'' and ''PopMatters'' as "the most important band you’d never heard of". The band began as a solo project for Wilson, who initially created all of the band's music himself. By late 1993, however, he wanted to work in a band environment, bringing on frequent collaborators Richard Barbieri as keyboardist, Colin Edwin as bassist, and Chris Maitland as drummer to form the first permanent lineup. With Wilson as lead vocalist and guitarist, this remained the lineup until February 2002, when Maitland left the band and Gavin Harrison was recruited to replace him. Porcupine Tree's e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port Townsend, Washington
Port Townsend is a city on the Quimper Peninsula in Jefferson County, Washington, United States. The population was 10,148 at the 2020 United States Census. It is the county seat and only incorporated city of Jefferson County. In addition to its natural scenery at the northeast tip of the Olympic Peninsula, the city is known for the many Victorian buildings remaining from its late 19th-century heyday, numerous annual cultural events, and as a maritime center for independent boatbuilders and related industries and crafts. The Port Townsend Historic District is a U.S. National Historic Landmark District. It is also significantly drier than the surrounding region due to being in the rainshadow of the Olympic Mountains, receiving only of rain per year. History The bay was originally named "Port Townshend" by Captain George Vancouver in 1792, for his friend the Marquis of Townshend. It was immediately recognized as a good safe harbor, although strong south winds and poor ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platinum
Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish , a diminutive of "silver". Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. It has six naturally occurring isotopes. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg/kg. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa, which accounts for ~80% of the world production. Because of its scarcity in Earth's crust, only a few hundred tonnes are produced annually, and given its important uses, it is highly valuable and is a major precious metal commodity. Platinum is one of the least reactive metals. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Conse ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Penetration Testing
A penetration test, colloquially known as a pen test or ethical hacking, is an authorized simulated cyberattack on a computer system, performed to evaluate the security of the system; this is not to be confused with a vulnerability assessment. The test is performed to identify weaknesses (also referred to as vulnerabilities), including the potential for unauthorized parties to gain access to the system's features and data, as well as strengths, enabling a full risk assessment to be completed. The process typically identifies the target systems and a particular goal, then reviews available information and undertakes various means to attain that goal. A penetration test target may be a white box (about which background and system information are provided in advance to the tester) or a black box (about which only basic information—if any—other than the company name is provided). A gray box penetration test is a combination of the two (where limited knowledge of the target ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Tor Project
The Tor Project, Inc. is a Seattle-based 501(c)(3) research-education nonprofit organization founded by computer scientists Roger Dingledine, Nick Mathewson and five others. The Tor Project is primarily responsible for maintaining software for the Tor anonymity network. History The Tor Project was founded in December 2006 by computer scientists Roger Dingledine, Nick Mathewson and five others. The Electronic Frontier Foundation (EFF) acted as The Tor Project's fiscal sponsor in its early years, and early financial supporters of The Tor Project included the U.S. International Broadcasting Bureau, Internews, Human Rights Watch, the University of Cambridge, Google, and Netherlands-based Stichting NLnet. In October 2014, The Tor Project hired the public relations firm Thomson Communications in order to improve its public image (particularly regarding the terms "Dark Net" and "hidden services") and to educate journalists about the technical aspects of Tor. In May 2015, T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Panorama Tools
Panorama Tools ''(also known as PanoTools)'' are a suite of programs and libraries for image stitching, i.e., re-projecting and blending multiple source images into immersive panoramas of many types. It was originally written by German physics and mathematics professor Helmut Dersch. Panorama Tools provides a framework An updated version of the Panorama Tools library serves as the underlying core engine for many software panorama graphical user interface front ends. History Dersch started development on Panorama Tools in 1998, producing software available for creating panoramas and more, but had to stop development in 2001 due to legal harassment and claims of patent infringement by the company IPIX. Dersch released the core library (pano12) and some of the programs of Panorama Tools under the terms of the GNU General Public License. The rest of the applications were made available as binary executables only and for free without a copyleft license. The development of the sour ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prothrombin Time
The prothrombin time (PT) – along with its derived measures of prothrombin ratio (PR) and international normalized ratio (INR) – is an assay for evaluating the ''extrinsic'' pathway and common pathway of coagulation. This blood test is also called ''protime INR'' and ''PT/INR''. They are used to determine the clotting tendency of blood, in such things as the measure of warfarin dosage, liver damage, and vitamin K status. PT measures the following coagulation factors: I (fibrinogen), II (prothrombin), V (proaccelerin), VII (proconvertin), and X (Stuart–Prower factor). PT is often used in conjunction with the activated partial thromboplastin time (aPTT) which measures the ''intrinsic'' pathway and common pathway of coagulation. Laboratory measurement The reference range for prothrombin time depends on the analytical method used, but is usually around 12–13 seconds (results should always be interpreted using the reference range from the laboratory that performed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petunidin
Petunidin (Pt), like Europinidin and Malvidin, is derived from Delphinidin and is an O-methylated anthocyanidin of the 3-hydroxy type. It is a natural organic compound, a dark-red or purple water-soluble pigment found in many redberries including chokeberries ('' Aronia sp''), Saskatoon berries ('' Amelanchier alnifolia'') or different species of grape (for instance ''Vitis vinifera'', or muscadine, ''Vitis rotundifolia''), and also part of the pigments responsible for the petal colors in many flowers. This pigment gives the Indigo Rose tomatoes the majority of their deep purple color when the fruits are exposed to sunlight. The name of the molecule itself is derived from the word Petunia. Biosynthesis Petunidin could form in the exocarp of fruits from delphinidin, with an anthocyanin flavonoid O-methyltransferase (Catechol-O-methyl transferase) catalyzing the B-ring methylation and S-Adenosyl-L-methyl-3H methionine being the methyl group donor. Glycosides Glycoside forms ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pertussis Toxin
Pertussis toxin (PT) is a protein-based AB5-type exotoxin produced by the bacterium ''Bordetella pertussis'', which causes whooping cough. PT is involved in the colonization of the respiratory tract and the establishment of infection. Research suggests PT may have a therapeutic role in treating a number of common human ailments, including hypertension, viral infection, and autoimmunity. History PT clearly plays a central role in the pathogenesis of pertussis although this was discovered only in the early 1980s. The appearance of pertussis is quite recent, compared with other epidemic infectious diseases. The earliest mention of pertussis, or whooping cough, is of an outbreak in Paris in 1414. This was published in Moulton's The Mirror of Health, in 1640. Another epidemic of pertussis took place in Paris in 1578 and was described by a contemporary observer, Guillaume de Baillou. Pertussis was well known throughout Europe by the middle of the 18th century. Jules Bordet and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Percutaneous
{{More citations needed, date=January 2021 In surgery, a percutaneous procedurei.e. Granger et al., 2012 is any medical procedure or method where access to inner organs or other tissue is done via needle-puncture of the skin, rather than by using an "open" approach where inner organs or tissue are exposed (typically with the use of a scalpel). The percutaneous approach is commonly used in vascular procedures such as angioplasty and stenting. This involves a needle catheter getting access to a blood vessel, followed by the introduction of a wire through the lumen (pathway) of the needle. It is over this wire that other catheters can be placed into the blood vessel. This technique is known as the modified Seldinger technique. More generally, "percutaneous", via its Latin roots means, 'by way of the skin'. An example would be percutaneous drug absorption from topical medications. More often, percutaneous is typically used in reference to placement of medical devices using a nee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
