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The actinide (/ ˈ æ k t ɪ n aɪ d /) or actinoid (/ ˈ æ k t ɪ n ɔɪ d /) series encompasses at least the 14 metallic chemical elements in the 5f series, with atomic numbers from 89 to 102, actinium through nobelium.
The Russian MOD claimed to have recaptured the village of Krupets. It also confirmed that the Ukrainian Armed Forces had advanced approximately two kilometers. [143] [144] Ukraine lost a HIMARS launcher in a missile strike in Sumy Oblast. [25]
The Great Pyramid of Giza [a] is the largest Egyptian pyramid.It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom.Built c. 2600 BC, [3] over a period of about 26 years, [4] the pyramid is the oldest of the Seven Wonders of the Ancient World, and the only wonder that has remained largely intact.
The country lies approximately between latitudes 34° and 42° N, and longitudes 19° and 30° E, with the extreme points being: [153] the village Ormenio in the North and the islands Gavdos (South), Strongyli near Kastellorizo/Megisti (East), and Othonoi (West). The island Gavdos is considered the southernmost island of Europe. [154] [155]
Experts say that malaria could be eliminated as wild disease of humans by the year 2050. World class experts (41 of them) in fields such as malariology, biomedicine, economics and health policy advocated more funding, a central data repository for dealing with local outbreaks of malaria, and training the workers needed to carry out the plan.
The workers who were performing the excavations, who were referred to as "sandhogs", were to dig each pair of tubes from either bank of the Hudson River, so that the two sides would eventually connect somewhere underneath the riverbed. The tunnel was to be 9,250 feet (2,820 m) long between portals, and the roadway was to descend to a maximum ...
The application of FEM gained momentum in the 1960s and 1970s due to the developments of J. H. Argyris and his co-workers at the University of Stuttgart; R. W. Clough and his co-workers at University of California Berkeley; O. C. Zienkiewicz and his co-workers Ernest Hinton, Bruce Irons, [9] and others at Swansea University; Philippe G. Ciarlet ...
This first zone, which follows the river today, is known as Humber's zone. Dating from the Ordovician, this bedrock is composed primarily of sedimentary rocks : sandstone, mudrocks and conglomerates. [12] South of this zone, the Gaspé belt is the remnant of a second mountain formation during Siluro-Devonian times. Around 430 million years ago ...