air quenching
71Optical properties of carbon nanotubes — Contents 1 Terminology 2 Electronic structure of carbon nanotube 3 Van Hove singularities …
72Corium (nuclear reactor) — LFCM redirects here. For the airport, see List of airports by ICAO code: L. The Three Mile Island reactor 2 after the meltdown. Corium, also called fuel containing material (FCM) or lava like fuel containing material (LFCM), is a lava like molten …
73World Bank — logo Type International organization Legal status Treaty Purpose/focus Crediting …
74Pyrophoricity — A pyrophoric substance will ignite spontaneously; that is, its autoignition temperature is below room temperature. Examples are iron sulfide and many reactive metals including uranium, when powdered or sliced thinly. Pyrophoric materials are… …
75Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
76Construction aggregate — Limestone quarry …
77Morris S. Kharasch — Morris Selig Kharasch (August 24, 1895 – October 9, 1957) was a pioneering organic chemist best known for his work with free radical additions and polymerizations. He defined the peroxide effect, explaining how an anti Markovnikov orientation… …
78Roman Catacombs — • The subject is covered under the headings: I. Position; II. History; III. Inscriptions; IV. Paintings; V. Sarcophagi; VI. Small Objects Found in the Catacombs; and VII. Catacombs outside Rome Catholic Encyclopedia. Kevin Knight. 2006. Roman… …
79Samarium — promethium ← samarium → europium ↑ Sm ↓ …
80Cracking (chemistry) — In petroleum geology and chemistry, cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon carbon bonds in the… …
