CĂRȚI ÎN MALAEZĂ ÎN LEGĂTURĂ CU «HAHNIUM»
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1
The History and Use of Our Earth's Chemical Elements: A ...
Hahnium-260 and 261 (Unp-260 and 261). In 1970 Albert Ghiorso and his team at Berkeley bombarded califor- nium-249 with heavy nitrogen (N-15) in their Heavy Ion Linear Accelerator (HILAC). The reaction is as follows: 98Cf-249 + 7N-15 ...
2
Inorganic Chemistry - Halaman 1363
The Berkeley group suggested the name "Hahnium" (Ha) in honor of one of the founders of nuclear chemistry. Otto Hahn, and this name was eventually (1997) adopted by IUPAC. As of this writing, six nuclides of eka-tantalum are known, with ...
Egon Wiberg, Nils Wiberg,
2001
3
Neoquímica: a química moderna e suas aplicações - Halaman 23
Hahnium does not behave like its homologue tantalum in aqueous solutions but is similar to niobium or the pseudo-group VB element, protactinium, under certain conditions. For example, hahnium did not extract from methylisobutylketone ...
4
Routledge French Technical Dictionary Dictionnaire ... - Halaman 328
h abbr (hecto-) METR h (hecto-) H ' abbr (henry) ELEC, ELEC ENG, METR, PHYS H (henry) H 2 (hydrogen) CHEM H (hydrogène) Ha (hahnium) CHEM Ha (hahnium) Haber: - process n CHEM procédé de Haber m habit n CRYSTALL faciès m ...
5
Routledge Dictionnaire Technique Anglais - Jilid 1 - Halaman 356
ELECTRO- TEC, METROLOGIE, PHYSIQUE H (henry/ Ha1 (hahnium) CHIMIE Ha (hahnium) Ha: abrév (humidité relative de l'air) METEO relative humidity of the air habilrtation/iNFOR MAT sécurité,QKD\x*T sécurité clearance habillage m ...
6
Modern Alchemy: Selected Papers of Glenn T. Seaborg - Halaman 317
The first two were named rutherfordium (Rf) and hahnium (Ha) by their Berkeley discoverers (9, 10); however, because of controversies between researchers at Berkeley and Dubna over the discoveries of these elements, both sides have ...
Glenn Theodore Seaborg,
1994
7
Nature's Building Blocks: An A-Z Guide to the Elements - Halaman 157
They disputed the claim of the ]INR and proposed the name hahnium (symbol Ha) naming it after the German radiochemist Otto Hahn (1879-1968). Both names were used quite extensively in the literature with hahnium becoming quite popular ...
8
Materials Handbook: A Concise Desktop Reference - Halaman 1184
From September 1997, dubnium replaced hahnium for element 105 and bohrium replaced nielsbohrium for element 107. ... Lawrencium Lr Lawrencium 22537-19-5 104 Rutherfordium Rf Kurchatovium 53850-36-5 105 Dubnium Db Hahnium, ...
François Cardarelli,
2008
9
The Chemistry of the Actinide and Transactinide Elements ...
(1976) and Flerov and Zvara (1971) and that priority for discovery of elements 104 and 105 clearly belonged to the Berkeley group and endorsed their proposal that they be named rutherfordium (Rf) and hahnium (Ha). However, the combined ...
Lester R. Morss, Norman M. Edelstein, J. Fuger,
2010
10
Actinides and the Environment - Halaman 18
Bohrium (Bh) was proposed for element 107 instead of Nielsbohrium (Ns); hahnium was moved from element 105 to element 108, replacing the discoverers proposed name of Hassium (Hs) for element 108. Only Lawrencium (Lr) for element ...
P.A. Sterne, A. Gonis, A.A. Borovoi,
1998