commercial-purity

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• commercial — adjective 1》 concerned with or engaged in commerce. 2》 making or intended to make a profit. 3》 (of television or radio) funded by the revenue from broadcast advertisements. 4》 (of chemicals) supplied in bulk and not of the highest purity. noun a… …   English new terms dictionary

• Carat (purity) — For the unit of mass of the same name, see Carat (mass). The karat or carat (symbol: K or kt) is a unit of purity for gold alloys. Contents 1 Measure 2 Derivation 3 Terminology 3.1 …   Wikipedia

• Pharmacopoeia — s issued by private individuals.HistorySome of the earliest pharmacopoeia books were written by Arabian and Persian physicians. [Philip K. Hitti (cf. Dr. Kasem Ajram (1992), Miracle of Islamic Science , Appendix B, Knowledge House Publishers.… …   Wikipedia

• Dynamic recrystallization — (DRX) is a type of recrystallization process, found within the field of metallurgy. In dynamic recrystallization, as opposed to static recrystallization, the nucleation and growth of new grains occurs during deformation rather than afterwards as… …   Wikipedia

• arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium

• lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …   Universalium

• petroleum 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… …   Universalium

• India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium