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Users. 30 million (as of 2024) G2A.COM Limited (commonly referred to as G2A) is a digital marketplace headquartered in the Netherlands, [ 1][ 2] with offices in Poland and Hong Kong. [ 3][ 4] The site operates in the resale of gaming offers and others digital items by the use of redemption keys. G2A.COM’s main offerings are game key codes for ...
Haplogroup G-FGC7535, also known as Haplogroup G2a1 (and formerly G-L293), [1] is a Y-chromosome haplogroup. It is an immediate descendant of G2a (G-P15), which is a primary branch of haplogroup G2 (P287). G2a1 has an extremely low frequency in almost all populations except parts of the Caucasus Mountains . In 2017, the SNP L293 was replaced by ...
It is an East Asian haplogroup. [3] Today, haplogroup G is found at its highest frequency in indigenous populations of the lands surrounding the Sea of Okhotsk. [4] [5] Haplogroup G is one of the most common mtDNA haplogroups among modern Ainu, Siberian, Mongol, Tibetan and Central and North Asian Turkic peoples people (as well as among people of the prehistoric Jōmon culture in Hokkaidō).
Haplogroup G (Y-DNA) by country. In human genetics, Haplogroup G (M201) is a Y-chromosome haplogroup. None of the sampling done by research studies shown here would qualify as true random sampling, and thus any percentages of haplogroup G provided country by country are only rough approximations of what would be found in the full population.
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X-rays ( X-radiation) are a form of high-energy electromagnetic radiation. In many languages, it is referred to as Röntgen radiation, after the German scientist Wilhelm Conrad Röntgen, who discovered it in 1895 [ 1] and named it X-radiation to signify an unknown type of radiation.
A powder X-ray diffractometer in motion. X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallographer ...
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object. Applications of radiography include medical ("diagnostic" radiography and "therapeutic") and industrial radiography. Similar techniques are used in airport security, (where "body scanners ...