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A calcium–aluminium-rich inclusion or Ca–Al-rich inclusion (CAI) is a submillimeter- to centimeter-sized light-colored calcium- and aluminium-rich inclusion found in carbonaceous chondrite meteorites. The four CAIs that have been dated using the Pb-Pb chronometer yield a weighted mean age of 4567.30 ± 0.16 Myr.
The following inclusion types can also be found in aluminium alloys: alumina needles (Al 2 O 3), nitrides (AlN), iron oxides (FeO), manganese oxides (MnO), fluorides (Na 3 AlF 6, NaF, CaF 2, …), aluminium borides (AlB 2, AlB 12), borocarbides (Al 4 C 4 B). Bone ash (Ca 3 (PO 4) 2) sometimes added to patch cracks in the trough can be found as ...
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El molino: Alfonso Cortés-Cavanillas (director); Jorge Navarro de Lemus, Estefanía Cortés, Leire Albinarrate (screenplay); Pilar López de Ayala, Asier Etxeandia, Imanol Arias, Claudia Traisac, Nur Olabarría, Pablo Rivero, Abril Zamora, Carla Domínguez, Rocio Calvo, Jorge Basanta, Luismi Ramírez, Ángela Arellano, Maria Teresa Altés, Antonio Sarrió
Syria's brutal civil war rekindled suddenly after 13 years, with rebels staging a shock offensive that forced long-time dictator Bashar al-Assad to flee to Russia.
Rainn Wilson is doing some reflecting after losing a large portion of his home in a mountain fire.. The actor and podcast host, 58, first announced that he and wife Holiday Reinhorn’s California ...
In the 20th century, FIFA allowed a player to play for any national team, as long as the player held nationality of that country. In 2004, in reaction to the growing trend towards naturalisation of foreign players in some countries, FIFA implemented a significant new ruling that requires a player to demonstrate a "clear connection" to any country they wish to represent. [9]
King Charles III and Queen Camilla formally bid farewell to the Emir of Qatar Sheikh Tamim bin Hamad Al Thani and his wife Sheikha Jawaher as they leave Buckingham Palace on Dec. 4, 2024, in London.