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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.
Krotite was reported in 2011 [3] in a calcium-aluminium-rich inclusion (CAI) in the carbonaceous chondrite meteorite NWA (North West Africa) 1934, which landed in Morocco. [4] The mineral name was approved by the International Mineralogical Association (IMA 2010-038) [ 5 ] and honors Alexander N. Krot, a researcher in cosmochemistry at the ...
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 ...
Al-Ca composite is a high-conductivity, high-strength, lightweight composite consisting of sub-micron-diameter pure calcium metal filaments embedded inside a pure aluminium metal matrix. The material is still in the development phase, but it has potential use as an overhead high-voltage power transmission conductor . [ 1 ]
Feldspar (/ ˈ f ɛ l (d) ˌ s p ɑːr / FEL(D)-spar; sometimes spelled felspar) is a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium. [3]
Sophomore KJ Lewis came off the bench to score a career-high 21 points as visiting Arizona toppled No. 21 West Virginia 75-56 Tuesday night in Morgantown, W.Va. Jaden Bradley provided 15 points ...
3CaO·Al 2 O 3 ·Ca(O,Cl 2) · 11 H 2 O. A simplified chemical composition with only Cl – in the interlayer, and without OH –, as: Ca 2 Al(OH) 6 (Cl) · 2 H 2 O. can be also written in cement chemist notation as: [1] 3CaO·Al 2 O 3 ·CaCl 2 · 10 H 2 O. Friedel's salt is formed in cements initially rich in tri-calcium aluminate (C 3 A ...
Actor and playwright Harvey Fierstein is sharing how he lost 120 pounds. The 70-year-old told Page Six that his weight has always fluctuated, and weight loss medication, he added, has helped him ...