- crude copper
- 粗铜
English-Chinese metallurgy dictionary. 2014.
English-Chinese metallurgy dictionary. 2014.
Copper sweetening — is a petroleum refining process using a slurry of clay and cupric chloride to oxidize mercaptans. The resulting disulfides are less odorous and usually very viscous, and are usually removed from the lower boiling fractions and left in the heavy… … Wikipedia
copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… … Universalium
A Crude Awakening: The Oil Crash — A Crude Awakening Theatrical Poster Directed by Basil Gelpke Ray McCormack Produced by … Wikipedia
Indigo copper — Indigo In di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster] {Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye. {Indigo bird} (Zo[ o]l.), a small North American… … The Collaborative International Dictionary of English
phosphor copper — noun : a crude alloy of copper and phosphorus used to deoxidize copper and to make phosphor bronze … Useful english dictionary
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
Currency of Colombia — Contents 1 Spanish colonial coinage 1.1 1622–1756 Cob coinage (macuquina) 1.2 1756–1822 Milled coinage 1.3 1813–1820 Necessity coinage … Wikipedia
TIMNA — (Heb. תִּמְנַע), site of intensive ancient copper mining and smelting activities. The Timna Valley (Ar. Wadi Manʿiāyya) is located 12½–18¾ mi. (2030 km.) north of Eilat, and three wadis run through it into the arabah : Naḥal Mangan, Naḥal Timna,… … Encyclopedia of Judaism
Tongling — ▪ China Wade Giles romanization T ung ling city and industrial centre, southern Anhui sheng (province), eastern China. It is located on the southeast bank of the Yangtze River (Chang Jiang) between Anqing and Wuhu. Tongling grew… … Universalium
Ubaidian culture — The name given by modern scholars to the culture, or civilization, that occupied Mesopotamia (especially in the south) immediately before the rise of the Sumerians and their creation of the first cities. The term was coined after Tell al Ubaid … Ancient Mesopotamia dictioary
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium