hot-acid polymerization process
31industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
32Polyoxymethylene — Other names Poly(oxymethylene) glycol; Polymethylene glycol …
33materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
34oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
35Phenolic content in wine — The phenolic compounds in Syrah grapes contribute to the taste, color and mouthfeel of the wine. The phenolic compounds natural phenol and polyphenols in wine include a large group of several hundred chemical compounds that affect the taste,… …
36Alkene — This article is about the chemical compound. For the material, see Olefin fiber. Not to be confused with Alkane or Alkyne. A 3D model of ethylene, the simplest alkene. In organic chemistry, an alkene, olefin, or olefine is an unsaturated ch …
37oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… …
38aldehyde — aldehydic, adj. /al deuh huyd /, n. Chem. any of a class of organic compounds containing the group CHO, which yields acids when oxidized and alcohols when reduced. [1840 50; < NL al(cohol) dehyd(rogenatum) dehydrogenated alcohol] * * * Any of a… …
39oxide — oxidic /ok sid ik/, adj. /ok suyd, sid/, n. Chem. a compound in which oxygen is bonded to one or more electropositive atoms. Also, oxid /ok sid/. [1780 90; < F (now oxyde), b. oxygène and acide. See OXYGEN, ACID] * * * I Any of a large and… …
40Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …
