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Sodium zirconium cyclosilicate, sold under the brand name Lokelma, is a medication used to treat high blood potassium. [5] Onset of effects occurs in one to six hours. [5] It is taken by mouth. [5] Common side effects include swelling and low blood potassium. [5] Use is likely safe in pregnancy and breastfeeding. [5]
Polystyrene sulfonate is usually supplied in either the sodium or calcium form. It is used as a potassium binder in acute and chronic kidney disease for people with hyperkalemia (an abnormally high blood serum potassium level). [3]
Due to quartz being the main mineral in many rocks in the brittle regime of the crust, the brittle-ductile transition for quartz can be a good indication of where cataclasites would form before ductile deformation plays a role. [2] This normally refers to the uppermost 10–12 km of the continental crust. [2]
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In chemistry, coalescence is a process in which two phase domains of the same composition come together and form a larger phase domain. In other words, the process by which two or more separate masses of miscible substances seem to "pull" each other together should they make the slightest contact.
The 'glaze' formed in such cases is actually a crystalline oxide, with a very small crystal or grain size having been shown to approach nano-scale levels. Such 'glaze' layers were originally thought to be amorphous oxides of the same form as ceramic glazes, hence the name 'glaze' is still currently used.
In this way, given certain conditions (which are largely temperature-dependent) kerogens will break down to form hydrocarbons through a chemical process known as cracking, or catagenesis. A kinetic model based on experimental data can capture most of the essential transformation in diagenesis, [ 10 ] and a mathematical model in a compacting ...
The release is due to the breaking open of the onion cells, which releases enzymes called alliinases. Alliinases then break down amino acid sulfoxides , generating sulfenic acids . A specific sulfenic acid, allicin or 1-propenesulfenic acid, is rapidly rearranged by another enzyme, the lachrymatory factor synthase (LFS) to give syn ...