CE ÎNSEAMNĂ EUROPIUM ÎN ENGLEZĂ?
Europiu
Electronegativitate? 1.2 Energii de ionizare 1: 547,1 kJ · mol-1 2: 1085 kJ · mol-1 3: 2404 kJ · mol-1 Raza atomică 180 pm Raza covalentă 198 ± 6 pm Miscellanea Structura cristalină cubică centrată pe corp Comandarea magnetică paramagnetică Rezistența electrică 0.900 μΩ · m Conductivitatea termică este de 13,9 W · m-1 · K-1 Expansiunea termică 35,0 μm / modulul lui Young 18,2 GPa Modulul de forfecare 7,9 GPa Modulul de vracare 8,3 GPa Raportul Poisson 0,152 Duritatea Vickers 167 MPa Numărul CAS 7440-53-1 Istoric Denumire după Europa Discovery Eugène-Anatole Demarçay Izolarea primară Eugène-Anatole Demarçay Izotopi cei mai stabili Izotopi ai izotopilor europeni în timpul de înjumătățire DM DE DP 150Eu syn 36.9 y ε 2.261 150Sm 151Eu 47.8% 5 × 1018 y α 1.9644 147Pm 152Eu syn 13.516 y ε 1.874 152Sm β- 1.819 152Gd 153Eu 52.2% - 0.2736 149Pm Modurile de dezintegrare în paranteze sunt prevăzute, dar nu au fost încă respectate vte · referințe Europium este un element chimic cu simbolul Eu și numărul atomic 63. Este numit după co în Europa.
Definiția europium în dicționarul Engleză
Definiția europenului în dicționar este un element alb-negru reactiv, ductil, din seria de metale lantanide: utilizat ca fosfor roșu în televiziunea color și în lasere. Simbol: Eu; atomic nr: 63; greutate atomică: 151,965; valență: 2 sau 3; densitate relativă: 5,244; punct de topire: 822 ° C; punct de fierbere: 1527 ° C.
CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «EUROPIUM»
Descoperă întrebuințarea
europium în următoarea selecție bibliografică. Cărți în legătură cu
europium și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
New Generation of
Europium- and Terbium-Activated Phosphors: ...
This book concentrates on the luminescence and structural properties of the new generation of europium and terbium activated phosphors, associated phenomena, and related topics, from basic principles to the most recent discoveries.
Mihail Nazarov, Do Young Noh,
2011
2
Europium: Compounds, Production, and Applications
This book presents current research in the study of Europium including a review on the photoluminescence of the europium ion in different materials, organic europium complexes and their applications in organic light-emitting diodes and ...
3
Nature's Building Blocks: An A-Z Guide to the Elements
It fell to Eugene-Anatole Demarcay (1852-1904) in Paris in 1901 to carry out a
painstaking sequence of crystallizations of samarium magnesium nitrate, thereby
separating another new element, which he named europium. Had Demarcay and
...
4
Dictionary of Inorganic Compounds
Jane E. Macintyre. [6,6',6",6'",6"",6""-Bis[nitrilotri(methylene)] tris[2,2'-bipyridme]]
europium(///)(3 + ); Trichloride, in IC-Öl 3252 C36H30EuN3011P2 Tris(nitrato-O,
O')bis(triphenylphosphine oxide)europium(///), IC-013251 [6,6',6",6'",6"" ...
5
Analysis of Risks Associated with Nuclear Submarine ...
UTILIZATION OF EUROPIUM-CONTAINING CONTROL RODS BY
DEVELOPMENT OF GAMMA-EUROPIUM SOURCES PROF. E.P.KLOCHKOV
AND PROF. V.D.RISOVANY SSC RF RIAR Dimitrovgrad, Ulyanovsk region 1 .
The compositions ...
Ashot A. Sarkisov, Alain Tournyol du Clos,
1999
6
Handbook of Assay Development in Drug Discovery
Substrate, biotinylated kinase substrate; P, phosphorylated amino acid in the
substrate; Ab, specific antibody against phosphorylated substrate; Eu, europium
cryptate [TBP(Euu)J; APC, streptavdin-labeled allophycocyanin; E^, energy
transfer ...
Jean-Marie Lehn and his colleagues at the University of Strasbourg, have made
a luminescent europium cryptate which shines with a strong red light when
irradiated with ultraviolet (UV) light (Angewandte Chemie, International Edition,
1987, ...
8
Status of the Dosimetry for the Radiation Effects Research ...
Assay of stable europium in unenriched samples was said to have been
calibrated with geochemical standard rocks from us and Japanese geological-
survey agencies (Nakanishi and others 1983). On the basis of current USGS
certificate of ...
Board on Radiation Effects Research, Committee on Dosimetry for the Radiation Effects Research Foundation, National Research Council,
2001
9
ICAME 2005: Proceedings of the 28th International Conference ...
DOI 10.1007/s10751-006-9315-4 Mo ̈ssbauer studies of 151Eu in europium
oxalate, europium bissalen ammonium and europium benzoate C. I. Wynter &
D. H. Ryan & S. P. Taneja & L. May & F. W. Oliver & D. E. Brown & M. Iwunzie ...
P.-E. Lippens, J.-C. Jumas, J.-M. Génin,
2007
10
Laser Techniques in Luminescence Spectroscopy
Under 579 nm dye laser excitation, areas surrounding the fingerprints did not
show any europium luminescence. This is in line with the absence of detected
absorbance in the 570 to 620 nm region of EuCl3 □ 6H20 in solution [29], which
...
Tuan Vo-Dinh, D. Eastwood,
1990
ȘTIRI NOI CARE INCLUD TERMENUL «EUROPIUM»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
europium în contextul următoarelor știri.
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, Iul 15»
Firm making scents of Indian opportunity
HOME fragrance house madebyzen - owned by Manchester company Europium World (UK) - is expanding its global distribution into India. «The Business Desk, Iul 15»
Today's Green Technology
Europium (Er), Terbium (Tb) and Yttrium (Yt) are used to color visual displays in television, phone, and computer devices. Lanthanum (La) is ... «The Mountain -Ear, Iul 15»
Iron found in ancient rock is recycled from bacteria
It is supported by the isotopic composition of certain rare elements in BIFs, such as europium, that correspond to that of the hydrothermal fluid. «Royal Society of Chemistry, Iul 15»
Rare Earth Elements Market - Global Industry Analysis, Trends And …
Europium, terbium, and yttrium are rare earth elementsthat are used widely in the electronics industry to manufacture LCDs and color TVs. «CSO Australia, Iul 15»
madebyzen™ Brings New Scents into Indian Market
The brand is wholly owned by Europium World (UK) Ltd, established in 2001. Through its portfolio of companies, Europium World has been ... «Bdaily, Iul 15»
Using IP-One HTRF® Assay to Identify Low Affinity Compounds
... takes advantage of the higher molecular extinction coefficient of the terbium cryptate peaking at around 337nm, compared to europium (Eu). «News-Medical.net, Iul 15»
After the boom and the bust, what next for rare earths?
The first two charts below show the prices of five REE oxides, basis free on board China port, as assessed by Asia Metal; terbium and europium ... «Daily Times, Iul 15»
RPT-COLUMN-After the boom and the bust, what next for rare earths …
The first two charts below show the prices of five REE oxides, basis free on board China port, as assessed by Asia Metal; terbium and europium ... «Reuters, Iun 15»
The “Paperless” Workplace Might Not Be as Green as You Think
While only small amounts of these elements, (with names like neodymium, europium, terbium and yttrium) are used in each product, the total ... «Pulse, Iun 15»