alkalis (
11Egyptian faience — is a non clay ceramic displaying surface vitrification which creates a bright blue green luster. It is called Egyptian faience to distinguish it from Faience which refers to the ambiguous term frit and a type of pottery now know as majolica: a… …
12Early modern glass in England — The early modern period in England (c. 1500 1800) brought on a revival in local glass production. Medieval glass had been limited to the small scale production of forest glass for window glass and vessels, predominantly in the WealdKenyon, G.H.,… …
13Plastic pipework — standards for the conveyance of drinking water,waste water, chemicals, heating and cooling fluids, foodstuffs, ultra pure liquids, slurries, gases, compressed air and vacuum system applications. Plastic Pressure Pipe Systems have many advantages… …
14eye disease — Introduction any of the diseases or disorders that affect the human eye (eye, human). This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …
15Basalt — For the World War II raid, see Operation Basalt. For the cities, see Basalt, Colorado and Basalt, Idaho. Basalt Igneous Rock Composition …
16Conjunctivitis — Pinkeye redirects here. For the South Park episode, see Pinkeye (South Park). For the 2008 film, see Pink Eye (film). Conjunctivitis Classification and external resources File:Joy pink eye cropped.JPG An eye with viral conjunctivitis. ICD 10 H …
17Corrosive substance — European Union standard symbol for corrosives. GHS and other symbols are similar. A corrosive substance is one that will destroy or irreversibly damage another surface or substance with which it comes into contact. The main hazards to people… …
18Nepheline syenite — of the Intrusive Complex of Tanguá, State of Rio de Janeiro, Brasil (Motoki et al., 2011a) Nephelene syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or… …
19Tricalcium aluminate — (3CaO.Al2O3) is the most basic of the calcium aluminates. It does not occur in nature, but is an important mineral phase in Portland cement.PropertiesPure tricalcium aluminate is formed when the appropriate proportions of finely divided calcium… …
20Rawmill — A rawmill is the equipment used to grind raw materials into rawmix during the manufacture of cement. Rawmix is then fed to a cement kiln, which transforms it into clinker, which is then ground to make cement in the cement mill. The rawmilling… …
