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P 7
P7, P.7, or P-7 may refer to: Aircraft * Boeing XP-7, a prototype United States biplane fighter of the 1920s * HAT-P-7b, an extrasolar planet discovered in 2008 * Lockheed P-7, a proposed patrol aircraft ordered by the U.S. Navy * Piaggio P.7, an Italian hydrofoil racing seaplane of 1929 * PZL P.7, a 1930 Polish fighter aircraft Science * p7 protein, a protein providing nucleocapsid of HIV * Period 7 of the periodic table * Seoul Semiconductor, high-energy quad-chip LED light (SSC P7) Computer science * Intel Itanium processor code-name * Intel NetBurst microarchitecture, a seventh generation x86 microarchitecture * X.400 protocol for access of a message store from a user agent Other * Cinturato P7 tire developed by Pirelli * DR P7 Mix, a former radio station operated by the Danish Broadcasting Corporation * Heckler & Koch P7, a semi-automatic pistol manufactured in Germany * ProSieben, a German television channel * Russian Sky Airlines IATA airline code * South Scanian Regi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boeing XP-7
The Boeing XP-7 was a prototype United States biplane fighter of the 1920s. Development and design The XP-7 started life as the last Boeing Model 15 (PW-9D), serial 28-41. It was then adapted to mount the 600 hp Curtiss V-1570 Conqueror engine. Labelled by Boeing as their Model 93, the XP-7's nose was shorter and deeper than that of the standard PW-9, and the craft was 75 pounds lighter overall. It first flew in September 1928 and did well, with a 17 mph speed increase over the PW-9. However, despite a proposal to build an additional four P-7s, the design was at the very limits of its capabilities and somewhat outdated even by the time of its first flight. At the end of testing, the Conqueror engine was removed and the aircraft converted back into a PW-9D. Operators ; *United States Army Air Corps The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HAT-P-7b
HAT-P-7b (or Kepler-2b) is an extrasolar planet discovered in 2008. It orbits very close to its host star and is larger and more massive than Jupiter. Due to the extreme heat that it receives from its star, the dayside temperature is predicted to be K, while nightside temperatures are . HAT-P-7b is also one of the darkest planets ever observed, with an albedo of less than 0.03—meaning it absorbs more than 97% of the visible light that strikes it. Discovery The HATNet Project telescopes HAT-7, located at the Smithsonian Astrophysical Observatory's Fred Lawrence Whipple Observatory in Arizona, and HAT-8, installed on the rooftop of Smithsonian Astrophysical Observatory's Submillimeter Array building atop Mauna Kea, Hawaii, observed 33,000 stars in HATNet field G154, on nearly every night from late May to early August 2004. The light curves resulting from the 5140 exposures obtained were searched for transit signals and a very significant periodic drop in brightness was detected i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lockheed P-7
The Lockheed P-7 was a four turboprop-engined patrol aircraft ordered by the U.S. Navy as a replacement for the P-3 Orion. The external configuration of the aircraft was to be very similar to that of the P-3. Development had not progressed very much before the program was cancelled in July 1990. Development In the mid-1980s, the U.S. Navy made plans to replace the large number of Lockheed P-3 aircraft which would reach the end of their useful service lives during the 1990s. To limit costs the U.S. Navy envisioned a modified P-3 with increased payload and updated avionics. This aircraft became known as the "P-3G" of which 125 should be procured over a period of five years up to 2001. However, the U.S. Navy was unwilling to select Lockheed's P-3G without any competition and issued the final "Request for Proposals (RFP)" in January 1987. For the airplane named the P-7A "LRAACA" (Long-Range Air ASW-Capable Aircraft), Lockheed's competitors were: * Boeing - proposal using a modified 7 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Piaggio P
Piaggio & C. SpA (Piaggio ) is an Italian motor vehicle manufacturer, which produces a range of two-wheeled motor vehicles and compact commercial vehicles under seven brands: Piaggio, Vespa, Gilera, Aprilia, Moto Guzzi, Derbi, and Scarabeo. Its corporate headquarters are located in Pontedera, Italy. The company was founded by Rinaldo Piaggio in 1884, initially producing locomotives and railway carriages. Piaggio's subsidiaries employ a total of 7,053 employees and produced a total of 519,700 vehicles in 2014. The manufacturer has six research-and-development centers and operates in over 50 countries. History In 1882, Enrico Piaggio purchased land in Sestri Ponente (Genoa) to set up a timber yard. Two years later, in 1884, his 20-year-old son, Rinaldo Piaggio (1864–1938), founded Piaggio & C. The company initially built locomotives and railway carriages but in 1917, towards the end of World War I, Rinaldo Piaggio turned to the military sector. To begin, the company produced ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PZL P
PZL (''Państwowe Zakłady Lotnicze'' - State Aviation Works) was the main Polish aerospace manufacturer of the interwar period, and a brand of their aircraft. Based in Warsaw between 1928 and 1939, PZL introduced a variety of well-regarded aircraft, most notably the PZL P.11 fighter, the PZL.23 Karaś light bomber, and the PZL.37 Łoś medium bomber. In the post-war era, aerospace factories in Poland were initially run under the name WSK (Transport Equipment Manufacturing Plant), but returned to adopt PZL acronym in late 1950s. This was used as a common aircraft brand and later as a part of names of several Polish state-owned aerospace manufacturers referring to PZL traditions, and belonging to the ''Zjednoczenie Przemysłu Lotniczego i Silnikowego PZL'' - PZL Aircraft and Engine Industry Union. Among the better-known products during this period is the PZL TS-11 Iskra jet trainer and PZL-104 Wilga STOL utility aircraft. After the fall of communism in Poland in 1989, these ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
P7 Protein
The genome and proteins of HIV (human immunodeficiency virus) have been the subject of extensive research since the discovery of the virus in 1983. "In the search for the causative agent, it was initially believed that the virus was a form of the Human T-cell leukemia virus (HTLV), which was known at the time to affect the human immune system and cause certain leukemias. However, researchers at the Pasteur Institute in Paris isolated a previously unknown and genetically distinct retrovirus in patients with AIDS which was later named HIV." Each virion comprises a viral envelope and associated matrix enclosing a capsid, which itself encloses two copies of the single-stranded RNA genome and several enzymes. The discovery of the virus itself occurred two years following the report of the first major cases of AIDS-associated illnesses. Structure The complete sequence of the HIV-1 genome, extracted from infectious virions, has been solved to single-nucleotide resolution. The HIV gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Period 7
A period 7 element is one of the chemical elements in the seventh row (or ''period'') of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases: a new row is begun when chemical behavior begins to repeat, meaning that elements with similar behavior fall into the same vertical columns. The seventh period contains 32 elements, tied for the most with period 6, beginning with francium and ending with oganesson, the heaviest element currently discovered. As a rule, period 7 elements fill their 7s shells first, then their 5f, 6d, and 7p shells in that order, but there are exceptions, such as uranium. Properties All elements of period 7 are radioactive. This period contains the actinides, which includes plutonium, the naturally occurring element with the heaviest nucleus; subsequent elements must be created artificially. While the first five ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seoul Semiconductor
Seoul Semiconductor develops and commercializes light-emitting diode A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (cor ...s (LEDs) for automotive, general illumination, specialty lighting, and backlighting markets. It is the fourth-largest LED manufacturer globally. References External linksSeoul Semiconductor Electronics companies established in 1992 Light-emit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Itanium
Itanium ( ) is a discontinued family of 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64). Launched in June 2001, Intel marketed the processors for enterprise servers and high-performance computing systems. The Itanium architecture originated at Hewlett-Packard (HP), and was later jointly developed by HP and Intel. Itanium-based systems were produced by HP/Hewlett Packard Enterprise (HPE) (the HPE Integrity Servers line) and several other manufacturers. In 2008, Itanium was the fourth-most deployed microprocessor architecture for enterprise-class systems, behind x86-64, Power ISA, and SPARC. In February 2017, Intel released the final generation, Kittson, to test customers, and in May began shipping in volume. It was used exclusively in mission-critical servers from Hewlett Packard Enterprise. In 2019, Intel announced that new orders for Itanium would be accepted until January 30, 2020, and shipments would cease by July 29, 2021 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NetBurst (microarchitecture)
The NetBurst microarchitecture, called P68 inside Intel, was the successor to the P6 microarchitecture in the x86 family of central processing units (CPUs) made by Intel. The first CPU to use this architecture was the Willamette-core Pentium 4, released on November 20, 2000 and the first of the Pentium 4 CPUs; all subsequent Pentium 4 and Pentium D variants have also been based on NetBurst. In mid-2004, Intel released the ''Foster'' core, which was also based on NetBurst, thus switching the Xeon CPUs to the new architecture as well. Pentium 4-based Celeron CPUs also use the NetBurst architecture. NetBurst was replaced with the Core microarchitecture based on P6, released in July 2006. Technology The NetBurst microarchitecture includes features such as Hyper-threading, Hyper Pipelined Technology, Rapid Execution Engine, Execution Trace Cache, and replay system which all were introduced for the first time in this particular microarchitecture, and some never appeared again aft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pirelli
Pirelli & C. S.p.A. is a multinational tyre manufacturer based in Milan, Italy. The company, which has been listed on the Milan Stock Exchange since 1922, is the 6th-largest tyre manufacturer and is focused on the consumer production of tyres for cars, motorcycles and bicycles. It is present in Europe, the Asia-Pacific, Latin America, North America and the Post-Soviet states, operating commercially in over 160 countries. It has 19 manufacturing sites in 13 countries and a network of around 14,600 distributors and retailers. In 2015, China National Chemical Corp. Ltd. (ChemChina) took controlling interest of Pirelli - with the Chinese state-owned company agreeing to maintain the tire company's ownership structure until 2023. Pirelli has been sponsoring sport competitions since 1907 and is the exclusive tyre partner and supplier for the Grand-Am Rolex Sports Car Series for 2008–2010, FIA Formula One World Championship for 2011–present and for the FIM World Superbike Champio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DR P7 Mix
DR P7 Mix was one of DR's digital radio stations in Denmark. It launched on 6 June 2011 as the third of five new digital-only stations. As of September 2019, it has been slated for closure. History In November 2010, DR announced it would significantly lower the number of digital radio stations in its line-up from 23 to between 10-12. The new line-up of digital stations were announced in January 2011. In the new line-up, DR Hit and DR Soft were to be replaced by P7 Mix which unlike the former channels would have presenters. On 1 October 2017 P7 Mix became available on DAB+ radio when a nationwide switch-over took place. Presenters * Christina Bjørn * Christine Milton Christine Milton (born 18 July 1985) is a Danish pop music, pop singer, songwriter and professional dancer. She was one of the participants in Denmark's version of the ''Popstars'' franchise, having competed in season 2. Despite not winning, she w ... * Henrik Milling * Jonas Gülstorff * Michael Bernhard * Mik ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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