silicon oxygen compounds
31Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …
32siloxane — noun Etymology: silicon + oxygen + methane Date: 1917 any of various compounds containing alternate silicon and oxygen atoms in either a linear or cyclic arrangement usually with one or two organic groups attached to each silicon atom …
33Brook rearrangement — The Brook rearrangement in organic chemistry is a rearrangement reaction in which a organosilyl group switches position with a hydroxyl proton over a carbon to oxygen covalent bond under the influence of a base [cite journal | author = A. G.… …
34duricrust — /door i krust , dyoor /, n. a hard crust that forms on or in soil in semiarid climates owing to cementation of soil particles. Cf. caliche, hardpan (defs. 1, 2). [ < L dur(us) hard + I + CRUST] * * * ▪ geology Introduction surface or near… …
35Desulfonylation reactions — are chemical reactions leading to the removal of a sulfonyl group from organic compounds. As the sulfonyl functional group is electron withdrawing, methods for cleaving the sulfur carbon bonds of sulfones are typically reductive in nature.… …
36Magnesium trisilicate — Preferred IUPAC name Dimagnesium dioxido bis[(oxido oxosilyl)oxy]silane Identifiers CAS number …
37Patterning by etching at the nanoscale — (PENs) is a soft lithographic technique in which the bonds in the PDMS matrix are broken to controlably etch PDMS (ie dissolve) at a slow rate along the outside of a PDMS channel formed with a patterned PDMS stamp applied to a surface. The… …
38Copley Medal — The Copley Medal awarded to Mendeleev in 1905 …
39ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …
40devitrification — See devitrifiable. * * * ▪ crystallography process by which glassy (glass) substances change their structure into that of crystalline solids. Most glasses are silicates (compounds of silicon, oxygen, and metals) in which the atomic… …
