CHE SIGNIFICA SAMARIUM IN INGLESE
Samario
(Ossido lievemente base) Elettronegatività 1.17 (scala Pauling) energie di ionizzazione 1a: 544.5 kJ · mol-1 2a: 1070 kJ · mol-1 3: 2260 kJ · mol-1 Raggio atomico 180 pm raggio covalente 198 ± 8 pm struttura Miscellanea cristallo rhombohedral ordinamento magnetico paramagnetico resistività elettrica (rt) (α, poli) 0.940 μΩ · m conducibilità termica 13,3 W · m-1 · K-1 espansione termica (rt) (α, poli) 12,7 um / (m · K) Velocità di sonoro (un'asta sottile) (20 ° C) 2130 m · s-1 modulo di Young (α form) 49,7 GPa modulo di taglio (α form) 19,5 GPa Bulk modulo (α form) 37,8 rapporto GPa Poisson (α form) durezza 0.274 Vickers 412 MPa durezza Brinell 441 MPa numero di registro CAS 7440-19-9 Naming Storia dopo il samarskite minerale (a sua volta prende il nome da Vasili Samarsky-Bykhovets) Discovery Lecoq de Boisbaudran (1879) primo isolamento Lecoq de Boisbaudran (1879) isotopi più stabili Articolo principale: isotopi Di samarium iso NA dimezzamento DM DE (MeV) DP 144Sm 3,07% - (β + β +) 1,7811 144Nd (α) 0,0761 140Nd 145Sm sin 340 d ε - 145Pm Traccia di 146Sm 1,03 × 108 y α 2,529 142Nd 147Sm 14,99% 1,06 × 1011 y α 2,310 143Nd 148Sm 11.
definizione di samarium nel dizionario inglese
La definizione di samario nel dizionario è un elemento metallico argenteo delle serie di lantanidi che si verificano principalmente in monazite e bastnaesite e utilizzate nell'illuminazione ad arco di carbonio, come agente di drogaggio in cristalli laser e come assorbitore di neutroni. Simbolo: Sm; numero atomico: 62; peso atomico: 150,36; valenza: 2 o 3; densità relativa: 7.520; punto di fusione: 1074 ° C; punto di ebollizione: 1794 ° C.
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10 LIBRI IN INGLESE ASSOCIATI CON «SAMARIUM»
Scopri l'uso di
samarium nella seguente selezione bibliografica. Libri associati con
samarium e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
Organic Synthesis Using
Samarium Diiodide: A Practical Guide
This book aims to address these misgivings and misconceptions. Rather than being a comprehensive review of the chemistry of samarium diiodide, this user-friendly book adopts an "an all you need to know" approach to the topic.
David J. Procter, Robert A. Flowers, Troels Skrydstrup,
2010
2
First-principles Study on Hard/soft ...
We have also investigated the possibility of FeCo nanowires as potential high performance permanent magnets considering their high shape anisotropy.
3
Toxic Substances Control Act (TSCA) Chemical Substance ...
... Samarium aluminide [12043-27-5] AlzSm Samarium aluminide (SmAl2) [12043
-27-5] A12Sm Samarium antimonide [29664-84-4] SbSm Samarium antimonide (
SmSb) [29664-84-4] SbSm Samarium arsenide [12255-39-91 AsSm Samarium ...
4
Hazardous Chemicals: Safety Management and Global Regulations
States, Brazil, India, Sri Lanka, and Australia; China is by far the world leader in
samarium mining and production. Radioactive isotope samarium-153 is the
major component of the drug samarium (153Sm) lexidronam (Quadramet), which
kills ...
5
The Oncobiology of the Prostate
These agents include strontium-89 and samarium-153 EDTMP. The studies
demonstrating effectiveness of strontium-89 are best shown in the adjuvant
setting using a combination of strontium-89 and radiation (Porter et al., 1993).
Prospective ...
D.P. Wood, K.V. Honn,
2000
6
CRC Handbook of Chemistry and Physics, 93rd Edition
... 200 dec 3.54 reac H2O 2352 Ruthenium(VIII) oxide RuO4 20427-56-9 165.07
yel monocl prisms 25.4 40 3.29 2.0320 sl H2O; vs ctc; reac EtOH 2353 Samarium
Sm 7440-19-9 150.36 silv metal; rhomb 1072 1794 7.52 2354 Samarium boride ...
7
CRC Handbook of Chemistry and Physics, 95th Edition
... 200 dec 3.54 reac H2O 2352 Ruthenium(VIII) oxide RuO4 20427-56-9 165.07
yel monocl prisms 25.4 40 3.29 2.0320 sl H2O; vs ctc; reac EtOH 2353 Samarium
Sm 7440-19-9 150.36 silv metal; rhomb 1072 1794 7.52 2354 Samarium boride ...
8
Isotopes of
Samarium:
Samarium-151,
Samarium-149, ...
Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge.
9
Samarium: Isotopes of
Samarium,
Samarium Compounds, ...
Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge.
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken,
2010
10 NOTIZIE DOVE SI INCLUDE IL TERMINE «SAMARIUM»
Vedi di che si parla nei media nazionali e internazionali e come viene utilizzato il termine ino
samarium nel contesto delle seguenti notizie.
Paradoxical Crystal Baffles Physicists
Caption: Interactions between electrons inside samarium hexaboride appear to be giving rise to an exotic quantum behavior new to researchers. Andrew Testa ... «Wired, lug 15»
Puzzling material acts as conductor and insulator at the same time
Samarium hexaboride is a Kondo insulator, that is to say that it has a narrow band gap (of about 10 meV) and therefore is a good conductor at room temperature. «Gizmag, lug 15»
The Mary Sue Interview: Dr. Natasha Jackson-Booth on Rockets and …
Jackson-Booth: Despite that though our equipment was able to detect the Samarium release and we were able to see a brand new ionospheric layer for over ... «The Mary Sue, giu 15»
Research and Markets: Global and Chinese Samarium Carbonate …
Market Research Report on Global and Chinese Samarium Carbonate Industry, 2010-2020 is a professional and in-depth market survey on Global and Chinese ... «Business Wire, mag 15»
Earth was hit by a Mercury-like body early in its history, study finds
It would also explain why the ratio of two such rare-earth elements, samarium to neodymium, was higher in the crust and mantle than it was in the rest of the ... «South China Morning Post, apr 15»
Early Earth collision could clear up two geological mysteries
An unexpected isotope ratio would mean that, at some point very early in Earth's history, samarium must have been fractionated from neodymium before the ... «Royal Society of Chemistry, apr 15»
Mine Tales: Elements critical to high-tech products
Samarium, when combined with cobalt, is used as a magnet for specialized airplane motors. Europium is found in color cathode-ray tubes and liquid-crystal ... «Arizona Daily Star, feb 15»
Let It Snow - In a Cruise Ship Spa?
The spa also will have a samarium — often described as a temperate mix of sauna and a steam room — and a salt-encrusted room that proponents say mimic ... «TravelPulse, gen 15»
Significant Rare Earth Element Claim Discovery in Peru Reported
The group consists of yttrium and the 15-lanthanide elements (lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, ... «PR Newswire, dic 14»
Exotic Material May Be the Next Big Thing in Electronics
It was a long time coming but scientists have finally confirmed how samarium hexaboride should be classified, consequently affirming the possibilities the ... «Tech Times, dic 14»