ETIMOLOGIA DELLA PAROLA COBALT
German Kobalt, from Middle High German kobolt goblin; from the miners' belief that malicious goblins placed it in the silver ore.
CHE SIGNIFICA COBALT IN INGLESE
Cobalto
Il cobalto è un elemento chimico con il simbolo Co e il numero atomico 27. Come il nichel, il cobalto nella crosta terrestre si trova solo in forma chimica combinata, salvo i piccoli depositi trovati in leghe di ferro naturale meteorico. L'elemento libero, prodotto dalla fusione riduttiva, è un metallo duro, lucente e argento-grigio. I pigmenti blu basati su cobalto sono stati usati sin dai tempi antichi per gioielli e vernici, e per conferire una tinta blu distintiva al vetro, ma il colore è stato successivamente pensato dagli alchimisti per essere dovuto al noto metallo bismuto. I minatori avevano usato da molto tempo il nome di gobbo minerale per alcuni dei minerali che producono pigmenti blu; Erano chiamati così perché erano poveri in metalli noti e hanno dato fumo velenoso contenente arsenico durante la fusione. Nel 1735, tali minerali erano state riducibili a un nuovo metallo, e questo fu definito in definitiva per il gobbo. Oggi, alcuni cobalto sono prodotti specificamente da vari metalli metallizzati, per esempio cobalto, ma la fonte principale dell'elemento è come sottoprodotto di minerali in rame e nichel. La cintura di rame della Repubblica Democratica del Congo e dello Zambia produce gran parte del cobalto minerario in tutto il mondo.
definizione di cobalt nel dizionario inglese
La definizione di cobalto nel dizionario è un fragile elemento bianco-argenteo che è un metallo ferromagnetico: si verifica principalmente in cobalto e smaltite ed è ampiamente utilizzato nelle leghe. Il radioisotopo cobalto-60, con un'emivita di 5,3 anni, viene utilizzato in radioterapia e come tracciante. Simbolo: Co; numero atomico: 27; peso atomico: 58.93320; valenza: 2 o 3; densità relativa: 8,9; punto di fusione: 1495 ° C; punto di ebollizione: 2928 ° C.
PAROLE IN INGLESE ASSOCIATE CON «COBALT»
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10 LIBRI IN INGLESE ASSOCIATI CON «COBALT»
Scopri l'uso di
cobalt nella seguente selezione bibliografica. Libri associati con
cobalt e piccoli estratti per contestualizzare il loro uso nella letteratura.
Introduces the element of cobalt, discussing its physical and chemical properties, where it is found, and what processes or objects it is used in.
2
Nickel,
Cobalt, and Their Alloys
This book is a comprehensive guide to the compositions, properties, processing, performance, and applications of nickel, cobalt, and their alloys.
Explains the characteristics of cobalt, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table.
4
Cobalt-base Alloys for Biomedical Applications
Annotation copyrighted by Book News, Inc., Portland, OR
John A. Disegi, Richard L. Kennedy, Robert Pilliar,
1999
5
Extractive Metallurgy of Nickel,
Cobalt and Platinum Group ...
This book describes and explains the methods by which three related ores and recyclables are made into high purity metals and chemicals, for materials processing.
Frank Crundwell, Michael Moats, Venkoba Ramachandran,
2011
Jesse names this colt Cobalt, and helps and watches him grow up. Cobalt has a talent and the heart for running, in which this leads him to great victories in races.
7
Cobalt Oxides: From Crystal Chemistry to Physics
Providing a thorough introduction to cobalt oxides from a chemical and physical viewpoint as a basis for understanding their intricacies, this is a must-have for both experienced researchers as well as entrants to the field.
Bernard Raveau, Motin Seikh,
2012
About the Author Shelley Grace is a secondary school teacher in New South Wales, Australia. An avid reader of crime and mystery novels, she loves the works of Clive Cussler, Janet Evanovich, Tess Gerritsen, and Dan Brown, among others.
9
Cobalt and Inorganic
Cobalt Compounds
(1981) exposed the earthworm Eisenia foetida in a silt loam covered with
activated sludge spiked at different cobalt concentrations and observed a
significant effect on growth after 8 weeks of exposure at 300 mg/kg but not at 30
mg/kg.
James H. Kim, Herman J. Gibb, Paul D. Howe,
2006
10
Nutrient Requirements of Small Ruminants: Sheep, Goats, ...
COBALT The mammalian tissues have no requirement for cobalt (Co) per se but
require vitamin Bp which is synthesized by ruminal microorganisms that require
cobalt. Only 3-13 percent of available cobalt is incorporated into vitamin Bp ...
10 NOTIZIE DOVE SI INCLUDE IL TERMINE «COBALT»
Vedi di che si parla nei media nazionali e internazionali e come viene utilizzato il termine ino
cobalt nel contesto delle seguenti notizie.
Racing executive to answer misconduct allegations in cobalt affair
A senior racing executive will continue in his role with the Australian Turf Club amid allegations of misconduct in the Midsummer Sun cobalt ... «Stuff.co.nz, lug 15»
Air Jordan 11 IE Low "Cobalt" - Release Date
The Air Jordan 11 IE Low will hit stores this August 1st in the original “Cobalt” colorway. These off-shoot versions of the Air Jordan 11 first ... «Sneaker News, lug 15»
UGANDA : Copper & cobalt: major industrial hub on the cards in the …
Moses Mugabi, process manager at Kasese Cobalt Company Ltd (KCCL), told Africa Mining Intelligence that the amount of ore the company ... «Africa Intelligence, lug 15»
Trainer Peter Moody to learn cobalt fate after returning from Europe …
PETER Moody will set foot back on Australian soil on Wednesday after a flight from Europe and within days learn whether he faces cobalt ... «Herald Sun, lug 15»
BlackBerry Classic limited edition in cobalt blue unveiled
The limited edition device is now available in cobalt blue color. Other than the color, it is the same BlackBerry Classic smartphone that we are ... «SlashGear, lug 15»
Cobalt International Energy Receives $14.81 Average Target Price …
Cobalt International Energy logo Cobalt International Energy (NYSE:CIE) has earned an average recommendation of “Hold” from the eleven ... «WKRB News, lug 15»
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QUEENSLAND'S cobalt scandal has deepened with three new ... per litre of urine cobalt threshold for both codes had been introduced. «Courier Mail, lug 15»
Australia: Kavanagh facing more charges in cobalt case
Australia: The fall out from the Midsummer Sun cobalt case continued on Thursday with stewards issuing a further 52 charges against six ... «Racing Post, lug 15»
BlackBerry Classic now comes in Cobalt Blue
Just in time for the U.S. Independence Day holiday, BlackBerry has complemented its red and white smartphones with a new BlackBerry ... «ITBusiness.ca, lug 15»
Nike KD 8 "Hyper Cobalt"
After revealing the Nike KD 8 “Hunt's Hill Sunrise” earlier today, another new Nike KD 8 emerges today. This mixture of Hyper Cobalt and Volt ... «Sneaker News, lug 15»