CO OZNACZA SŁOWO DYSPROSIUM
Dysproz
(słabo zasadowy tlenek) Elektroujemność 1,22 (skala Paulinga) Energie jonizacji 1: 573,0 kJ · mol-1 2: 1130 kJ · mol-1 trzeci: 2200 kJ · mol-1 Promień atomu 178 μm promień krzepnięcia 192 ± 7 pm Miscellanea Struktura krystaliczna (α, poli) 926 nΩ · m Przewodność cieplna 10.7 W · m-1 · K-1 Rozszerzalność cieplna (rt) (α, poliester) 9,9 μm / ( m / s Moduł Younga (forma α) 61,4 GPa moduł ścinania (forma α) 24,7 GPa moduł sprężystości (forma α) 40,5 GPa współczynnik Poissona (α) forma) 0.247 Vickers twardość 540 MPa twardość Brinella 500 MPa numer rejestrowy CAS 7429-91-6 Historia Odkrycie Lecoq de Boisbaudran (1886) Najbardziej stabilne izotopy Artykuł Izotopów dysprosu iso NA półrocze DM DE (MeV) DP 154Dy syn 3.0 X 106 y α 2,947 150Gd 156Dy 0,06% 1 x 1018 y (α) 1,7579 152Gd (β + β +) 2,0108 156Gd 158Dy 0,10% - (α) 0,8748 154Gd (β + β +) 0,2833 158Gd 160Dy 2,34% - ( α ) 0.4387 156Gd 161Dy 18.91% - (α) 0.3443 157Gd 162Dy 25.51% - (α) 0.0847 158Gd 163Dy 24.90% - (SF) \u003c79.
Definicja słowa dysprosium w słowniku
Definicja dysprozu w słowniku to miękki srebrzystobiały metaliczny element serii lantanowców: stosowany w materiałach laserowych oraz jako pochłaniacz neutronów w jądrowych prętach kontrolnych. Symbol: Dy; nr atomowy: 66; masa atomowa: 162,50; wartościowość: 3; gęstość względna: 8,551; temperatura topnienia: 1412 ° C; temperatura wrzenia: 2567 ° C.
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1
Coupled Magnetic and Structural Transitions in High-purity ...
The detailed investigation of crystallographic, magnetic, thermal and electronic properties of Gd5Sb0.5Ge3.5 single crystal shows that the compound undergoes a coupled magnetic-structural transition at 40--70 K and an electronic transition ...
Alexander S. Chernyshov,
2006
2
Nature's Building Blocks: An A-Z Guide to the Elements
Another use in the field of radioactivity is in dosimeters for monitoring exposure to
ionizing radiation. When dysprosium-doped crystals of calcium sulfate or calcium
fluoride are exposed to damaging radiation, this excites the dysprosium atoms ...
3
Laser Processing of Terbium
Dysprosium Iron Films
2.2. Experimental. Equipment. The laser used is a Lumonics PM-800 laser with
KrF (248 nm wavelength) gas as the lasing medium. The composition of the gas
mixture is 0.1% F2, 2% Kr and 97.9% Ne. The laser has a pulse length of 12 ns ...
4
Dictionary of Inorganic Compounds
AI3CI,2Dy Hexa-u-chlorotris(dichloroaluminium) dysprosium, 12CI, IC-000345
AsDyO4 Dysprosium arsenate (DyAsOJ, IC-000465 [BDy| Dysprosium bondes,
IC-000819 BDy2FeI4 Dysprosium iron boride (Dy2Fe,4B), IC-000820 B,DyH12 ...
5
Toxic Substances Control Act (TSCA) Chemical Substance ...
Na Dymelor [968-81-0] C15H2oN2O4S Dysprosium, compd. with nickel (1:2) [
12175-27-8] DyNi2 Dysprosium, tris[ethanedioato(2)]di [867-62-9] C6Dy2012
Dysprosium aluminide [52725-43-6] A12Dy409 Dysprosium aluminum oxide ...
6
Handbook of Inorganic Compounds, Second Edition
Dysprosium chloride Dysprosium chloride hexahydrate Dysprosium fluoride
Dysprosium hydride Dysprosium hydroxide ... Dysprosium nitrate pentahydrate
Dysprosium nitride Dysprosium oxalate decahydrate Dysprosium oxide
Dysprosium ...
7
Contrast-Enhanced Clinical Magnetic Resonance Imaging
At 1 .5 T. the use of a dysprosium chelate can lead to a further improvement in
first pass brain perfusion studies. (A) At the peak of the first pass through the
brain, following bolus injection of Dy HP-DO3A, the signal intensity of the normal
left ...
8
A Guide to the Elements
DYSPROSIUM Atomic Number 66 Chemical Symbol Dy Group lllB—Rare Earth
Element (Lanthanidesl VIII! lllB lVB_\lB V15 \'l|B .*_' i IB l|B ' n' ' ' ' F. Sc 11 iv crawl
rejcalm Cu Zn; llh_Sr Y 1r'NbMoVTc RuillhiPd Ag ca Cslo*l..0l~lfTuWlleOslr ...
9
CRC Handbook of Chemistry and Physics, 95th Edition
Mol. weight Physical form mp/°C bp/°C Density g cm–3 Solubility g/100 g H20
Qualitative solubility 1011 Curium Cm 7440-51-9 247 silv metal; hex or cub 1345
13.51 1012 Dysprosium Dy 7429-91-6 162.500 silv metal; hex 1412 2567 8.55 s
...
10
CRC Handbook of Chemistry and Physics, 93rd Edition
Mol. weight Physical form mp/°C bp/°C Density g cm–3 Solubility g/100 g H20
Qualitative solubility 1011 Curium Cm 7440-51-9 247 silv metal; hex or cub 1345
13.51 1012 Dysprosium Dy 7429-91-6 162.500 silv metal; hex 1412 2567 8.55 s
...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «DYSPROSIUM»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
dysprosium w wiadomościach.
Rare Earths MMI® Falls Again as Molycorp, Inc. Seeks Bankruptcy …
Lanthanum, dysprosium, cerium oxide and europium oxide have all steadily fallen in price since 2011. These lighter rare earths were certainly ... «MetalMiner, Lip 15»
Molycorp Inc's Bankruptcy Is the Beginning of the End for Rare …
Where terbium and dysprosium are among the most valuable rare-earths and still enjoy relatively high prices compared to their pre-2009 prices ... «Motley Fool, Lip 15»
Today's Green Technology
Each 2 megawatt (MW) wind turbine contains something like 800 pounds of neodymium (Nd) and 130 pounds of dysprosium (Dy). «The Mountain -Ear, Lip 15»
Molycorp path to bankruptcy ran through global politics, market shifts
Rare earths are 17 elements, with Scrabble-game winning names, like ytterbium, dysprosium and praseodymium. They are vital in making a ... «The Denver Post, Lip 15»
Rare Earth Elements Market - Global Industry Analysis, Trends And …
These motors consist of powerful magnets made from neodymium and dysprosium. Europium, terbium, and yttrium are rare earth elementsthat ... «CSO Australia, Lip 15»
Circular businesses models 'mitigate volatile resource prices'
... and the production of lead acid batteries and flame retardants); dysprosium (a rare earth element used in permanent magnets for electric cars ... «Resource Magazine, Lip 15»
Rare-Earth Recovery Process Enables the Creation of Magnets from …
Recovery of materials from swarf is essential as it includes expensive rare-earth metals such as neodymium, samarium and dysprosium. «Azom.com, Lip 15»
New CMI process recycles magnets from factory floor
When swarf contains costly rare-earth materials like samarium, neodymium, and dysprosium, materials recovery is important. Early on, the CMI ... «Phys.Org, Cze 15»
RPT-COLUMN-After the boom and the bust, what next for rare earths …
... basis free on board China port, as assessed by Asia Metal; terbium and europium (TV sets and fluorescent lighting), dysprosium (hard discs ... «Reuters, Cze 15»
A Simple Method for the Separation of Dysprosium and Neodymium …
ES: We and others have targeted mixtures of neodymium and dysprosium because those two are the chief REE components of NdFeB magnets ... «Azom.com, Cze 15»