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Dysprosium and is
Dysprosium ( ) is a chemical element with the symbol Dy and atomic number 66.
Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.
Dysprosium is a rare earth element that has a metallic, bright silver luster.
Dysprosium is quite electropositive and reacts slowly with cold water and quite quickly with hot water to form dysprosium hydroxide:
Dysprosium oxide, also known as dysprosia, is a white powder that is highly magnetic, more so than iron oxide.
Dysprosium is never encountered as a free element, but is found in many minerals, including xenotime, fergusonite, gadolinite, euxenite, polycrase, blomstrandine, monazite and bastnäsite ; often with erbium and holmium or other rare earth elements.
Dysprosium is obtained primarily from monazite sand, a mixture of various phosphates.
Dysprosium is used, in conjunction with vanadium and other elements, in making laser materials and commercial lighting.
Dysprosium is one of the components of Terfenol-D, along with iron and terbium.
Dysprosium is used in dosimeters for measuring ionizing radiation.
Dysprosium nitrate, Dy ( NO < sub > 3 </ sub >)< sub > 3 </ sub >, is a strong oxidizing agent and will readily ignite upon contact with organic substances.
Dysprosium titanate is a new material currently undergoing evaluation for pressurized water control rods.
Dysprosium titanate is a promising replacement for Ag-In-Cd alloys because it has a much higher melting point, does not tend to react with cladding materials, is easy to produce, does not produce radioactive waste, does not swell, and does not outgas.
Dysprosium is usually the most abundant of the even numbered heavies, and holmium is the most abundant of the odd numbered heavies.

Dysprosium and used
Dysprosium iodide and dysprosium bromide are used in high intensity lighting.

Dysprosium and for
* Dy, the chemical symbol for Dysprosium, the 66th chemical element

Dysprosium and high
Dysprosium combines with various non-metals at high temperatures to form binary compounds with varying composition and oxidation states + 3 and sometimes + 2, such as DyN, DyP, DyH < sub > 2 </ sub > and DyH < sub > 3 </ sub >; DyS, DyS < sub > 2 </ sub >, Dy < sub > 2 </ sub > S < sub > 3 </ sub > and Dy < sub > 5 </ sub > S < sub > 7 </ sub >; DyB < sub > 2 </ sub >, DyB < sub > 4 </ sub >, DyB < sub > 6 </ sub > and DyB < sub > 12 </ sub >, as well as Dy < sub > 3 </ sub > C and Dy < sub > 2 </ sub > C < sub > 3 </ sub >.

Dysprosium and magnetic
Dysprosium and holmium have the highest magnetic strengths of the elements, especially at low temperatures.

Dysprosium and .
Dysprosium was first identified in 1886 by Paul Émile Lecoq de Boisbaudran, but was not isolated in pure form until the development of ion exchange techniques in the 1950s.
Dysprosium has a simple ferromagnetic ordering at temperatures below.
Dysprosium halides, such as DyF < sub > 3 </ sub > and DyBr < sub > 3 </ sub >, tend to take on a yellow color.
Dysprosium carbonate, Dy < sub > 2 </ sub >( CO < sub > 3 </ sub >)< sub > 3 </ sub >, and dysprosium sulfate, Dy < sub > 2 </ sub >( SO < sub > 4 </ sub >)< sub > 3 </ sub >, result from similar reactions.
Dysprosium also has at least 11 metastable isomers, ranging in atomic mass from 140 to 165.
Dysprosium can then be separated from other rare earth metals by an ion exchange displacement process.
About 100 tonnes of dysprosium are produced worldwide each year, with 99 % of that total produced in China Dysprosium prices have climbed nearly twentyfold, from $ 7 per pound in 2003, to $ 130 a pound in late 2010.
Dysprosium fires cannot be put out by water.
Dysprosium chloride fires, however, can be extinguished with water, while dysprosium fluoride and dysprosium oxide are non-flammable.
* WebElements. com – Dysprosium

Dysprosium and dysprosium
Dysprosium metal tarnishes slowly in air and burns readily to form dysprosium ( III ) oxide:
* Dysprosium ( II ) chloride ( dysprosium dichloride ), DyCl < sub > 2 </ sub >
* Dysprosium ( III ) chloride ( dysprosium trichloride ), DyCl < sub > 3 </ sub >

is and used
In the first instance, `` mimesis '' is here used to mean the recalling of experience in terms of vivid images rather than in terms of abstract ideas or conventional designations.
A dominant motive is the poet's longing for his homeland and its boyhood associations: `` Not men-folk, but the fields where I would stray, The stones where as a child I used to play ''.
So in these pages the term `` technology '' is used to include any and all means which could amplify, project, or augment man's control over himself and over other men.
But what a super-Herculean task it is to winnow anything of value from the mud-beplastered arguments used so freely, particularly since such common use is made of cliches and stereotypes, in themselves declarations of intellectual bankruptcy.
This text from Dr. Huxley is sometimes used by enthusiasts to indicate that they have the permission of the scientists to press the case for a wonderful unfoldment of psychic powers in human beings.
The men who speculate on these institutions have, for the most part, come to at least one common conclusion: that many of the great enterprises and associations around which our democracy is formed are in themselves autocratic in nature, and possessed of power which can be used to frustrate the citizen who is trying to assert his individuality in the modern world ''.
Properly used, the present book is an excellent instrument of enlightenment.
This prospect did not please Mrs. King any more than did the possibility that her daughter might marry a Bohemian, but she used it to suggest to Thompson that, `` It is not in her nature to love you ''.
On the other hand, the consensus of opinion is that, used with caution and in conjunction with other types of evidence, the native sources still provide a valid rough outline for the English settlement of southern Britain.
The trouble with this machinery is that it is not used and the reason that it is not used is the absence of a conscious sense of community among the free nations.
In addition to his experiments in reading poetry to jazz, Patchen is beginning to use the figure of the modern jazz musician as a myth hero in the same way he used the figure of the private detective a decade ago.
When different colors are used, she is just as likely to color trees purple, hair green, etc..
Berlin is merely being used by Moscow as a stalking horse.
The collection of information is meaningless unless it is understood and used for a definite purpose.
This is used as a reference for comparing the ohmic heating and the electrical energy obtained from the measured current through the element and the measured voltage across the element.

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