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Encyclopedia results for copper

  1. Copper

    pp semi small yes Other uses good article Infobox copper Copper IPAc en icon k p r respell KOP r ... ductile metal with very high thermal conductivity thermal and electrical conductivity . Pure copper ... and list of copper alloys its alloys have been used for thousands of years. In the Roman era, copper ... , later shortened to uprum . Its compounds are commonly encountered as copper II salts, which ... as pigments. Architectural structures built with copper corrode to give green verdigris or patina . Decorative art prominently features copper, both by itself and as part of pigments. Copper II ... life. The main areas where copper is found in animals are liver, muscle and bone. Characteristics Physical File Cu Scheibe.JPG thumb left 150px A copper disc 99.95 pure made by continuous casting and industrial etching etching . File Copper just above its melting point.jpg left 150px thumb Copper ... incandescence color. Copper, silver and gold are in group 11 element group 11 of the periodic table ... through metallic bond s. Contrary to metals with incomplete d shells, metallic bonds in copper ... and high ductility of single crystals of copper. ref name b1 At the macroscopic scale, introduction ... under applied stress thereby increasing its hardness. For this reason, copper is usually supplied ... of copper partly explains its high electrical 59.6 10 sup 6 sup   Siemens unit S m and thus also ... permissible current density of copper in open air is approximately 3.1 10 sup 6 sup   A m sup ... Welding Manufacturing Alliance isbn 0 9624382 0 0 edition 4th pages 18 12 ref As with other metals, if copper ... Doctors accessdate 29 April 2011 ref Together with osmium bluish , and gold yellow , copper is one of only ... isbn 0 665 46912 8 ref Pure copper is orange red and acquires a reddish tarnish when exposed to air. The characteristic color of copper results from the electronic transitions between the filled 3d ... isbn 978 3 527 28126 8 pages 267 272 volume 4 Combustion to Diamagnetism ref Chemical File Copper ...   more details



  1. Book:Copper

    saved book title Copper subtitle An overview cover image NatCopper.jpg cover color Copper An overview Overview Copper Isotopes Isotopes of copper Miscellany Peak copper List of copper alloys Copper deficiency Category Wikipedia books on chemical elements Category Copper Wikipedia books on elements ...   more details



  1. Copper manipulation

    Copper manipulation may refer to List of copper alloys Sumitomo copper affair in the mid 1990s United Copper affair in 1907 dab Category Article Feedback 5 ...   more details



  1. Copper River

    Copper River may refer to Copper River Alaska , in the United States. Copper River Wisconsin , in the United States. Copper River British Columbia , a tributary of the Skeena River in Canada. geodis de Copper River ...   more details



  1. Copper Mountain

    Copper Mountain may refer to Landforms in Canada Copper Mountain Alberta in Alberta Copper Mountain British Columbia in British Columbia Landforms in the United States Copper Mountain Alaska in Alaska Copper Mountain Arizona in Arizona Copper Mountain Colorado in Colorado Copper Mountain, an alternate name for Peak Mountain of Connecticut Copper Mountain Idaho in Idaho Copper Mountain Montana in Montana Copper Mountain Nevada in Nevada Copper Mountain Oregon in Oregon Copper Mountain South Dakota in South Dakota Copper Mountain Utah in Utah Copper Mountain Washington in Washington Copper Mountain Wyoming in Wyoming Other meanings Copper Mountain film Copper Mountain film , a 1983 film Copper Mountain, British Columbia , a former mining town in the Similkameen Country of southern British Columbia, Canada Copper Mountain, Colorado Copper Mountain Solar Facility in Boulder City, Nevada geodis ru ...   more details



  1. Copper Creek

    Copper Creek can refer to several streams Copper Creek Valdez Cordova Borough, Alaska several with that name Copper Creek Denali Borough, Alaska Copper Creek California Copper Creek Washington disambig ...   more details



  1. Copper cartels

    Since 1870, there have been several formal attempts to restrict the copper output and raise, in this form, its price. This is a list of copper cartel s in the 20th century Copper Export Association , CEA, 1918 1923 Copper Exporters, Inc. , CEI, 1926 1932 International Copper Cartel , ICC, 1935 1939 Also called World Copper Agreement Intergovernmental Council of Copper Exporting Countries , CIPEC, 1967 1988 Further reading Herfindahl, O. 1959 Copper costs and prices 1870 1957, RFF, Baltimore. Category Cartels Category Copper ...   more details



  1. Yellow copper

    Yellow copper is a colloquial name for various mineral s and alloy s with high copper content Chiefly, chalcopyrite . Less frequently, brass . disambig ...   more details



  1. Copper (disambiguation)

    wiktionary copper Copper is a reddish colored metallic element, widely used in manufacturing and industry. Copper may also refer to Biology Lycaeninae , a family of butterflies commonly called the coppers Copper Ant blue , found in Australia, from southern Queensland to Victoria Copper Pencil blue , found ... and Victoria The Copper Underwing Amphipyra pyramidea , is a moth of the family Noctuidae, distributed across the Palaearctic region Copper shark , the common name for Carcharhinus brachyurus , also known as the bronze whaler or narrowtooth shark The copper colored restrepia is a copper colored orchid ... venomous species found in southern Asia Copper adder , a venomous pitviper subspecies found in the eastern United States Geography Copper River Alaska , a 300 mile 480& 160 km river in south central Alaska in the United States Copper, Jackson County, Oregon , a submerged town Copper Mountain disambiguation Copper Lake , Canada Copper Mine Gulch , California, United States Copper Mountains , Arizona, United States Copper Nunataks , Antarctic Peninsula Copper Peak , Michigan, United States Copper Salmon Wilderness , Oregon, United States Copper Country , an area in the Upper Peninsula of Michigan in the United States Copper, Oregon disambiguation Other Copper color , the color of the metal Copper comic Copper comic , a web and print comic Copper band , an emo band from Buffalo, New York Copper Knoxville band , an alternative rock band from Knoxville, TN Copper MUD Copper MUD , a DikuMUD based MUD launched in June 1991 Copper , a Canadian police drama now known as Rookie Blue Copper 2012 TV series Copper 2012 TV series , a BBC America period drama Copper Age , a phase in human technological development Copper Riot , a major riot which took place in Moscow in 1662 Copper, British or Australian ... topics 59263 cop or copper how did it start posts ref Telecommunications jargon for twisted pair connections The Manhattan Project s codename for plutonium . Actual copper was called honest to God copper ...   more details



  1. Copper City

    Copper City may refer to a location in the United States Copper City, California disambiguation Copper City, Glenn County, California Copper City, San Bernardino County, California Copper City, Michigan geodis Short pages monitor This long comment was added to the page to prevent it being listed on Special Shortpages. It and the accompanying monitoring template were generated via Template Longcomment. Please do not remove the monitor template without removing the comment as well. de Copper City ...   more details



  1. Copper beech

    Copper beech may refer to An ornamental cultivar of the European Beech, Fagus sylvatica The Adventure of the Copper Beeches , a Sherlock Holmes story by Arthur Conan Doyle, part of the collection The Adventures of Sherlock Holmes The Copper Beech , a 1992 novel by Maeve Binchy dab ...   more details



  1. Copper fluoride

    Copper fluoride could refer to Copper I fluoride cuprous fluoride, CuF . Copper II fluoride cupric fluoride, CuF sub 2 sub . disambig ar ja ...   more details



  1. Copper, Oregon

    Copper, Oregon may refer to Copper, Jackson County, Oregon , a submerged ghost town flooded by the Applegate Dam Copper, Wallowa County, Oregon , a ghost town on the Oregon Idaho border now part of Hells Canyon National Park Disambig ...   more details



  1. Copper tape

    Copper tape refers to an adhesive backed copper pressure sensitive tape tape . Copper tape is used to keep slugs and snails out of certain areas in gardens, potted plants, and trunks of fruit trees, and other trees and shrubs. It is also used for other applications, such as electromagnetic shielding or low profile surface mount transmission line in electronics and in the production of tiffany lamp s. References reflist DEFAULTSORT Copper Tape Category Pest control Category Horticultural techniques Category Organic gardening Category Organic farming Category Copper ...   more details



  1. Copper pour

    Refimprove date October 2006 Orphan date November 2009 Image PCB copper pour thermal pads.png thumb right 250px Copper pour on a printed circuit board flowing around tracks and pads. Image PCB copper pour hatch filled.png thumb right 250px Copper pour is sometimes filled using a hatch fill style. In electronics, the term copper pour refers to an area on a printed circuit board filled with copper the metal used to make connections in printed circuit boards . Copper pour is commonly used to create a ground plane . Another reason for using copper pour is to reduce the amount of industrial etching etching fluid used during manufacturing. A distinctive feature of copper pour is the backoff or stand off a certain distance between the copper pour and any tracks or pads not belonging to the same electrical net . A copper pour therefore looks like it flows around other components, with the exception of pads which are connected to the copper pour using thermal connection s. While solid copper pour provides better resistive characteristics, hatched copper pour is used to balance the heat and dilatation on both sides of the board in order to avoid warping of certain substrate. ref cite web url http www.electronicspoint.com copper pour traces t72199.html post message 556731 title Copper pour or traces? publisher electronicspoint.com date 2007 08 01 accessdate 2011 08 31 ref Heating might cause gas bubbles between solid copper pour and certain substrates. ref cite web url http forum.allaboutcircuits.com newsgroups viewtopic.php?p 8563 8563 title PADS hatch vs pour publisher allaboutcircuits.com date 2003 09 20 accessdate 2011 08 31 ref Furthermore it might be possible to adjust the impedance of high frequency traces by using hatched copper pour in order to reach better signal quality. ref cite web url http electronics.stackexchange.com questions 5139 solid ground plane vs hatched ground ... date 2010 10 12 accessdate 2011 09 01 ref References references DEFAULTSORT Copper Pour Category ...   more details



  1. Copper oxide

    Copper oxide is a compound from the two elements copper and oxygen. Copper oxide may refer to Copper I oxide cuprous oxide, Cu sub 2 sub O , a red powder Copper II oxide cupric oxide, CuO , a black powder See also Nanotoxicology disambig Category Copper compounds ar da Kobberoxid de Kupferoxid es xido de cobre hu R z oxid egy rtelm s t lap ja pl Tlenek miedzi ru simple Copper oxide sv Kopparoxid vi x t ng ...   more details



  1. Copper fist

    Infobox protein family Symbol Copper fist Name Copper fist domain image PDB 1co4 EBI.jpg width caption Structure of a zinc domain conserved in yeast copper regulated transcription factors. ref name pmid9665167 cite journal author Turner RB, Smith DL, Zawrotny ME, Summers MF, Posewitz MC, Winge DR title Solution structure of a zinc domain conserved in yeast copper regulated transcription factors journal Nat. Struct. Biol. volume 5 issue 7 pages 551 5 year 1998 month July pmid 9665167 doi 10.1038 805 url ref Pfam PF00649 InterPro IPR001083 SMART SM00412 PROSITE PS50073 SCOP 1co4 TCDB OPM family OPM protein PDB PDB2 1co4 Copper fist is an N terminus N terminal domain involved in copper dependent DNA binding domain DNA binding . It is named for its resemblance to a fist. It can be found in some fungal transcription factor s. These proteins activate the transcription of the metallothionein gene in response to copper. Metallothionein maintains copper levels in yeast . The copper fist domain is similar in structure to metallothionein itself, and on copper binding undergoes a large Protein structure conformational change, which allows DNA binding. External links http www.biochem.northwestern.edu holmgren Glossary Definitions Def C copper fist.html Copper fist definition References Reflist Category Protein domains protein stub ...   more details



  1. Copper Cove

    Copper Cove may refer to Copper Cove Subdivision, California Copper Cove Village, California geodis Short pages monitor This long comment was added to the page to prevent it being listed on Special Shortpages. It and the accompanying monitoring template were generated via Template Longcomment. Please do not remove the monitor template without removing the comment as well. ...   more details



  1. Yunnan Copper

    Infobox company company name Yunnan Copper Company Limited br company logo Image Chinalco.png company type State owned enterprise genre foundation 1958 founder location city Kunming , Yunnan location country People s Republic of China location origins key people Chairman Mr. Liu Mingcai area served People s Republic of China industry Copper products manufacturing products services revenue operating income net income num employees divisions subsid owner parent Yunnan Copper Group company slogan homepage http www.yunnan copper.com Yunnan Copper Company Limited Yunnan Copper Company Limited szse 000878 is the third largest copper producer in China. It was established in 1958 in Kunming , Yunnan , formerly Yunnan Smelting Plant . ref http ccne.mofcom.gov.cn 131272 Yunnan Copper Industry Co., Ltd. ref ref http www.iht.com articles 2007 08 22 bloomberg sxcsi.php China stocks index moves past 5,000 for the first time ref Its products include copper cathode, sulfuric acid , copper rod, bare copper wire, gold , silver , platinum , palladium , selenium , tellurium , bismuth , copper sulfate and nickel sulfate . ref http wrightreports.ecnext.com coms2 reportdesc COMPANY C1568I200 Yunnan Copper Company Limited ref In November 2007, Aluminium Corporation of China acquired 49 of total shares of Yunnan Copper Group , Yunnan Copper Company s parent company . ref http chinadaily.cn bizchina 2007 11 02 content 6333238.htm Chinalco pays 1b for stake in Yunnan Copper ref References reflist External links http www.yunnan copper.com Yunnan Copper Company Limited SZSECI Metal companies of China Category Companies based in Yunnan Category Companies established in 1958 Category Government owned companies of the People s Republic of China Category Metal companies of China Category 1958 establishments in China de Yunnan Copper id Chinalco zh ...   more details



  1. Copper interconnect

    Unreferenced date December 2010 Copper based chips are semiconductor integrated circuit s, usually microprocessor s, which use copper for Interconnection semiconductors interconnection s. Since copper ... processors. The transition from aluminium to copper required significant developments in fabrication ... damaging copper atoms. Patterning Because of the lack of volatile copper compounds, copper could not be patterned ... that had been used with great success with aluminium. The inability to plasma etch copper called for a drastic ... should be. A thick coating of copper that significantly overfills the trenches is deposited ... is used to remove the copper to the level of the top of the insulating layer. Copper sunken within ... processes generally form and fill a single feature with copper per Damascene stage. Dual Damascene processes generally form and fill two features with copper at once, e.g., a trench overlying a via electronics via may both be filled with a single copper deposition using dual Damascene. With successive layers of insulator and copper, a multilayer 5 10 metal layers or more interconnection structure is created. Without the ability of CMP to remove the copper coating in a planar and uniform fashion, and without the ability of the CMP process to stop repeatably at the copper insulator interface, this technology ... all copper interconnections, since diffusion of copper into surrounding materials would degrade their properties. For instance, silicon forms deep level trap s when doping semiconductor doped with copper. As the name implies, a barrier metal must limit copper diffusivity sufficiently to chemically isolate the copper conductor from the silicon below, yet have high electrical electrical conductivity ... quite important with too thin a layer, the copper contacts poison the very devices that they connect to with too thick a layer, the stack of two barrier metal films and a copper conductor have a greater ... in going from earlier aluminium to copper based conductors was modest, and not as good ...   more details



  1. Copper sweetening

    orphan date January 2010 Copper sweetening is a petroleum refining process using a slurry of clay and cupric chloride to oxidize mercaptan s. The resulting disulfide s are less odorous and usually very viscous, and are usually removed from the lower boiling fractional distillation fractions and left in the heavy fuel oil fraction. http nobel.scas.bcit.ca resource glossary a c.htm coppersweet http productsearch.machinedesign.com definition Chemical Engineering Linde copper sweetening Copper sweetening introduces trace amount of copper into the resulting products, which tends to have detrimental effecs as it leads to formation of wikt gummy gummy residues. Other sources of copper include contact with refinery parts made of copper and copper alloys. Copper is one of the most active instability promoters, and concentrations as low as 0.1 ppm can have marked negative effect. To combat these, metal deactivator s are added to some fuels. See also Sour crude oil Sweet crude oil Category Oil refining Category Chemical processes chemistry stub petroleum stub ...   more details



  1. Copper salicylate

    align right border 1 cellspacing 0 cellpadding 3 style float right clear right margin 0 0 0 0.5em background FFFFFF border collapse collapse border color C0C090 chembox header Copper salicylate Common name copper salicylate Systematic name copper 2 hydroxybenzoate Chemical formula Cu sub 2 sub C sub 14 sub H sub 10 sub O sub 6 sub CAS number 20936 31 6 Copper salicylate is a Compound chemistry compound with formula Cu sub 2 sub C sub 6 sub H sub 5 sub OCOO sub 2 sub . It is the copper salt of salicylic acid . organic compound stub Category Salicylates Category Copper compounds ...   more details



  1. Copper pesticide

    A copper pesticide is a copper compound used as a pesticide or fungicide . In the UK the Soil Association one of the Organic certification organic certification authorities permits farmers to use some copper fungicides on organic land used for the production of Certified organic food certified organic crops only if there is a major threat to crops. ref Section 4.11.11, http www.soilassociation.org LinkClick.aspx?fileticket U4dYxI6QZqw 3d&tabid 353 Soil Association Organic Standards for Producer, Version 16.1, April, 2010 ref During the 2008 growing season the compounds were applied to much of the organic potato crop to control potato blight Phytophthora infestans . ref http www.dailymail.co.uk news article 505427 Thousands tons organic food produced using toxic chemicals.html Thousands of tons of organic food produced using toxic chemicals article by David Derbyshire in The Daily Mail 01 January 2008 ref The compounds permitted are Copper II sulfate As a herbicide.2C fungicide and pesticide copper sulfate , Copper II hydroxide Uses copper hydroxide , Copper I oxide General applications cuprous oxide , copper oxychloride , copper ammonium carbonate at a maximum concentration of 25 g l , and copper oxtanoate . According to the Soil Association the total copper that can be applied to organic land is 6kg ha year. ref http www.soilassociation.org Certification Servicesforlicensees Forms Horticultureandarable tabid 406 Default.aspx Links to forms permitting application of copper fungicide on the website of the Soil Association ref This limit is designed so that the amount of copper in the soil does not exceed the limits specified in the Soil Association standards for heavy metals. Such copper compounds can build up in the soil and in excessive concentrations cause liver, kidney and blood disease. ref http www.dailymail.co.uk news article 505427 Thousands tons organic food produced using toxic chemicals.html Thousands of tons of organic food produced using toxic chemicals article ...   more details



  1. Copper (color)

    About the colour Copper disambiguation File Copper 18706.jpg thumb left Crystallized copper metal is copper colored. Copper is a red dish brown color that resembles the metal copper . infobox color title Copper hex B87333 r 184 g 115 b 51 c 0 m 32 y 72 k 28 h 29 s 72 v 72 source Maerz and Paul ref The color displayed in the color box above matches the color called copper in the 1930 book by Maerz and Paul A Dictionary of Color New York 1930 McGraw Hill the color copper is displayed on page 31 Plate 4, Color Sample I11. ref At right is displayed the color copper . The first recorded use of copper ... New York 1930 McGraw Hill Page 193 Color Sample of Copper Page 31 Plate 4 Color Sample I11 ref Variations of copper Pale copper infobox color title Copper Crayola hex DA8A67 r 218 g 138 b 103 c 15 m 53 ... pale tone of copper that is called copper in Crayola crayons. This color was formulated by Crayola in 1958. Copper red infobox color title Copper Red hex CB6D51 r 203 g 109 b 81 c 0 m 46 y 60 ... Tool set to hex code CB6D51 Copper Red ref source http tx4.us nbs nbs c.htm ISCC NBS At right is displayed the color copper red . The first recorded use of copper red as a color name in English ... 1955 Color Sample of Copper Red color sample 39 Copper penny infobox color title Copper Penny textcolor ... color.asp?RGB 23AD6F69 web.forrett.com Color Conversion Tool set to hex code AD6F69 Copper Penny ref source List of Crayola crayon colors Silver Swirls Crayola At right is displayed the color copper penny . Copper penny is one of the colors in the special set of metallic Crayola crayons called List ... in 1990. Copper rose The first recorded use of copper rose as a color name in English language English ... Sample of Copper Rose Page 33 Plate 5 Color Sample J5 ref Kenyan copper infobox color title Kenyan Copper textcolor white hex 7C1C05 r 124 g 28 b 5 c 0 m 77 y 96 k 51 h 12 s 96 v 49 ref http web.forret.com ... Copper ref source http xona.com colorlist Xona.com Color List At right is displayed the color Kenyan ...   more details



  1. Jiangxi Copper

    Infobox company company name Jiangxi Copper Company br company logo Image Jiangxicopper.png company type State owned enterprise genre foundation 1979 founder location city Guixi , Jiangxi location ... People s Republic of China industry Copper mining products Copper, Sulfuric acid , Gold , Silver , Platinum ... Copper Company Information ref parent Jiangxi Copper Corporation divisions subsid owner company slogan homepage http www.jxcc.com www.jxcc.com Jiangxi Copper zh t s sehk 358 , SSE 600362 , OTCBB JIXAY is the largest copper producer in Mainland China . Its operations include copper mining , Milling machine milling , smelting and refining to produce copper related products, including pyrite ... Yuhuang and its headquarter is located at Guixi , Jiangxi , China . Jiangxi Copper is China s largest copper producer, and manufactures 340,000 tons of copper annually from its mines, which include the Dexing .... Jiangxi Copper is also engaged in the production, processing and sale of copper cathode s, copper ... such as molybdenum , selenium , rhenium , tellurium and bismuth . Jiangxi Copper is also involved in the exploration and exploitation of copper, gold, silver, lead and zinc , as well as the provision of financial services . Jiangxi Copper distributes its products in domestic markets, and exports ... Copper increased approximately 6.09 million metric tons of copper, 145 metric tons of gold and 1,700 metric tons of silver in reserve. It owns a copper smelter and refinery, and its majority owned Jiangxi Copper Products subsidiary manufactures copper rods and wires. Other operations include gold and silver production. Jiangxi Copper Company Limited was formed by parent Jiangxi Copper Corporation, which is owned by the Chinese government, in 1997. Jiangxi Copper Corporation owns 48 of Jiangxi Copper Company Limited. Officers and directors Yihuang Li Chairman of the Board Baomin Li Vice Chairman ... companies of China Category Companies based in Jiangxi de Jiangxi Copper fr Jiangxi Copper zh yue ...   more details




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