gas sintering
21Boron nitride — IUPAC name Boron nitride Identifiers …
22coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …
23Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
24Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …
25nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
26powder metallurgy — the art or science of manufacturing useful articles by compacting metal and other powders in a die, followed by sintering. [1930 35] * * * Fabrication of metal objects from a powder rather than casting from molten metal or forging at softening… …
27capacitor dielectric and piezoelectric ceramics — ▪ ceramics Introduction advanced industrial materials that, by virtue of their poor electrical conductivity, are useful in the production of electrical storage or generating devices. Capacitors (capacitor) are devices that store… …
28electronic substrate and package ceramics — Introduction advanced industrial materials that, owing to their insulating qualities, are useful in the production of electronic components. Modern electronics are based on the integrated circuit, an assembly of millions of… …
29optical ceramics — Introduction advanced industrial materials developed for use in optical applications. Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …
30Laboratory glassware — Three beakers, a conical flask, a graduated cylinder and a volumetric flask …
