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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 ...
In cellular biology, inclusions are diverse intracellular [1] non-living substances (ergastic substances) [2] that are not bound by membranes.Inclusions are stored nutrients/deutoplasmic substances, secretory products, and pigment granules.
Hydrothermal ore minerals, which typically form from high temperature aqueous solutions, trap tiny bubbles of liquids or gases when cooling and forming solid rock. The trapped fluid in an inclusion preserves a record of the composition, temperature and pressure of the mineralizing environment. [1] An inclusion often contains two or more phases ...
The term "intestinal arteries" can be confusing, because these arteries only serve a small portion of the intestines.. They do not supply any of the large intestine.The large intestine is primarily supplied by the right colic artery, middle colic artery, and left colic artery.
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I-cells, also called inclusion cells, are abnormal fibroblasts having a large number of dark inclusions in the cytoplasm of the cell (mainly in the central area). Inclusion bodies are nuclear or cytoplasmic aggregates of stainable substances, usually proteins. [ 1 ]
The main constituent, and also the most reactive phase, of calcium aluminate cements is the monocalcium aluminate (CaAl 2 O 4 = CaO · Al 2 O 3, also written as CA in the cement chemist notation). It usually contains other calcium aluminates as well as a number of less reactive phases deriving from impurities in the raw materials.