silicon dioxide
111elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
112Combustion chemical vapor deposition — (CCVD) is a chemical process by which thin film coatings are deposited onto substrates in the open atmosphere. Contents 1 History 2 Principles and procedure 3 Remote combustion chemical v …
113Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
114Chalcedony — A cut and polished Chalcedony geode General Category Oxide mineral Chemical formula …
115Phosphoric acid — This article is about orthophosphoric acid. For other acids commonly called phosphoric acid , see Phosphoric acids and phosphates. Phosphoric acid …
116Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
117Bonding types and glass transition temperatures of representative amorphous solids — ▪ Table Bonding types and glass transition temperatures of representative amorphous solids glass bonding glass transition temperature (K) silicon dioxide covalent 1,430 germanium dioxide covalent 820 silicon, germanium covalent 40% palladium, 40% …
118Smoky quartz — Smoky or smokey quartz is a brown to black variety of quartz.[1] Like other quartz gems, it is a silicon dioxide crystal. The smoky colour results from free silicon, formed from the silicon dioxide by natural irradiation …
119Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …
120Carbon group — The carbon group is group 14 (IUPAC style) in the periodic table. Once also known as the tetrels (from Latin tetra , four), stemming from the earlier naming convention of this group as Group IVA. The group consists of carbon (C), silicon (Si),… …
