acid-resistant material

  • 121radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …

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  • 122aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …

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  • 123industrial 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… …

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  • 124Artemisinin — Systematic (IUPAC) name (3R,5aS,6R,8aS,9R,12S,12aR) octahydro 3,6,9 trimethyl 3,12 epoxy 12H pyrano[4,3 j] 1,2 benzodioxepin 10(3H) one …

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  • 125Orange (fruit) — Orange Orange blossoms and oranges on tree …

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  • 126Discovery and development of non-nucleoside reverse-transcriptase inhibitors — Non nucleoside reverse transcriptase inhibitors (NNRTIs) are antiretroviral drugs used in the treatment of human immunodeficiency virus (HIV). NNRTIs inhibit reverse transcriptase (RT), an enzyme that controls the replication of the genetic… …

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  • 127petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …

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  • 128Leprosy — For the Hebrew Bible term and its varied meanings, see Tzaraath. For other uses, see Leprosy (disambiguation). Leprosy Classification and external resources A 24 year old man infected with leprosy. ICD 10 …

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