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What links here Related changes Upload file Special pages Permanent link Page information Cite this page Get shortened URL Download QR code The region today: Israel, the West Bank, the Gaza Strip and the Golan Heights The history of the Israeli–Palestinian conflict traces back to the late 19th century when Zionists sought to establish a homeland for the Jewish people in Ottoman-controlled ...
Nicholas of Worcester (died 1124) was the prior of the Benedictine priory of Worcester Cathedral (crypt pictured) from about 1115 until his death. He was born around the time of the Norman Conquest.It is not known who his parents were, but William of Malmesbury wrote that he was "of exalted descent", and it has been argued that he was a son of King Harold Godwinson.
Formula One, commonly known as Formula 1 or F1, is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one of the world's premier forms of racing since its inaugural running in 1950.
- Origin of The Letters IP
- Ipx9k and IPX9
- United States
- See Also
In the original IEC 60529 standard from year 1976, the letters IP are used without providing an explanation, and referred as "characteristic letters".In the next editions of the standard, from years 1989 and 1999 respectively, the IP is explained to denote "international protection" on both French and English pages. According to the Finnish nationa...
DIN 40050-9 extended the newer IEC 60529 rating system with an IP69K rating for high-pressure, high-temperature wash-down applications.Enclosures conforming with ISO 20653:2013 must be both dust-tight (IP6X) and able to withstand high-pressure and steam cleaning. The IPx9K standard was originally developed for road vehicles—especially those that ne...
In the U.S., the National Electrical Manufacturers Association defines NEMA enclosure types in NEMA standard number 250. The following table outlines which IEC 60529 IP code each respective NEMA guideline meets. Ratings between the two standards are not directly equivalent: NEMA ratings also require additional product features and tests (such as fu...
Titan submersible implosion. MV Polar Prince departed St. John's, Newfoundland (1), on 16 June 2023, and arrived at the dive site (2) on 17 June 2023, where Titan was deployed and began its descent the next day. On 18 June 2023, Titan, a submersible operated by the American tourism and expeditions company OceanGate, imploded during an ...
Viète. de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.
Background Gaumont newsreel containing the only known footage of Titanic, 1912. The name Titanic derives from the Titans of Greek mythology.Built in Belfast, Ireland, in what was then the United Kingdom of Great Britain and Ireland, RMS Titanic was the second of the three Olympic-class ocean liners—the lead vessel was RMS Olympic and the final ship in the class was HMHS Britannic.
