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Radioactive isotope table "lists ALL radioactive nuclei with a half-life greater than 1000 years", incorporated in the list above. The NUBASE2020 evaluation of nuclear physics properties F.G. Kondev et al. 2021 Chinese Phys. C 45 030001.
Under the Islamic law (sharīʿa), Non-Muslims were obligated to pay the jizya and kharaj taxes, [100] [101] together with periodic heavy ransom levied upon Christian communities by Muslim rulers in order to fund military campaigns, all of which contributed a significant proportion of income to the Islamic states while conversely reducing many ...
Sri Lanka, [a] historically known as Ceylon, [b] and officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia.It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian peninsula by the Gulf of Mannar and the Palk Strait.
War captives were considered legally enslaved, and Roman military expansion during the Republican era was a major source of slaves. From the 2nd century BC through late antiquity , kidnapping and piracy put freeborn people all around the Mediterranean at risk of illegal enslavement, to which the children of poor families were especially vulnerable.
The air-stream meets a sharp edge, or a sharp edge is moved through the air. In either case, according to more recent views, a periodic displacement of air occurs to the alternate flanks of the edge. Examples are the swordblade or the whip.