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Disk containing 1 μCi of sodium-22. Sodium-22 is a radioactive isotope of sodium, undergoing positron emission to 22 Ne with a half-life of 2.6019(6) years. 22 Na is being investigated as an efficient generator of "cold positrons" to produce muons for catalyzing fusion of deuterium.
120.2: 121: 124.11 Uruguay: 98.6: 55.3: 56.44 ... Meat consumption was calculated using a trade balance approach - total production plus imports, minus exports. See ...
The median age is the index that divides the entire population into two numerically equal age groups, one younger than that age and the other older than that age. It is the only index associated with the age distribution of a population. [1]
The Douglas DC-8 (sometimes McDonnell Douglas DC-8) is an early long-range narrow-body jetliner designed and produced by the American Douglas Aircraft Company.Work began in 1952 towards the United States Air Force's (USAF) requirement for a jet-powered aerial refueling tanker.
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
Canon New FD lens mounting surface.. The FD lens mount is a breech-lock mount, which is a variation of the common triple-flanged bayonet attachment. The advantage of the breech-lock over the bayonet is that neither the contact surfaces between the body and lens, nor the signalling mechanisms, rotate against each other when the lens is mounted.
Facebook, Inc., 934 F.3d 53 (2nd Cir. 2019) was a case that alleged Facebook was profiting off recommendations for Hamas. In 2019, the US Second Circuit Appeals Court held that Section 230 bars civil terrorism claims against social media companies and internet service providers, the first federal appellate court to do so.
The group recognises five potential types: Boeing F/A-18E/F Super Hornet, Dassault Rafale, Eurofighter Typhoon, Lockheed Martin F-35 Lightning II and Saab JAS 39 Gripen E/F. [342] In December 2015, the Finnish MoD informed Great Britain, France, Sweden and the US informing them of the launch of the HX Fighter Program to replace the Hornet fleet ...