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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Observations on the rare earths the purification and atomic weight of samarium,

Owens, Albert Waffle. January 1900 (has links)
Thesis (Ph. D.)--University of Illinois, 1918. / Vita.
2

Observations on the rare earths: the purification and atomic weight of samarium,

Owens, Albert Waffle. January 1900 (has links)
Thesis (Ph. D.)--University of Illinois, 1918. / Vita.
3

Étude de la résistivité électrique, de la conductivité thermique et du pouvoir thermoélectrique de monocristaux de sulfure de samarium pur et dopé entre 1,5 et 350 K.

Benbachir, Khadija, January 1900 (has links)
Th. 3e cycle--Sci.--Grenoble--I.N.P., 1985.
4

The effect of crystalline fields on the magnetic susceptibilities of Sm⁺⁺⁺ and Eu⁺⁺⁺, and the heat capacity of Sm⁺⁺⁺

Frank, Amelia. January 1934 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1934. / Typescript. With this is bound: Temperature variation of the magnetic susceptibility, gyromagnetic ratio, and heat capacity in Sm⁺⁺⁺ and Eu⁺⁺⁺ / by Amelia Frank. Reprinted from Physical review, vol. 39, no. 1 (1 Jan. 1932), p. 119-129. Includes bibliographical references.
5

The first general electron transfer reductions of carboxylic acid derivatives using samarium diiodide

Spain, Malcolm Peter January 2014 (has links)
The development of new methods for the reduction of carboxylic acid derivatives is described. The ability to reduce these carbonyl derivatives through radical intermediates provides an orthogonal approach as compared with hydride based reductions. Initial experiments focused on the development of the SmI2–H2O system, where we have shown that chelation effects can be utilised to facilitate reduction of cyclic esters. Furthermore, a revised mechanism for the SmI2–H2O mediated reduction of lactones is discussed, and the effective reduction potential of the system determined. Also described is the optimisation of barbituric acids using SmI2–H2O to give the corresponding hemiaminal product. Next, experiments towards the development of a more reactive SmI2-based system are presented; where we have demonstrated that the SmI2–amine–H2O system is capable of the reduction unactivated carboxylic acid derivatives. The reductions of carboxylic esters and acids are described with mechanistic discussions. In addition, the design of a new divalent lanthanide system based on thulium diiodide is described. The addition of proton sources to TmI2 increases the effective reduction potential and facilitates unprecedented reactivity with amides. An investigation into the preparation of the reagent is also described, which has been one of the key factors developing all of the chemistry presented.
6

Atomic tests of symmetry principles

Davies, I. O. G. January 1986 (has links)
No description available.
7

The separation of samarium from rare earth mixtures by means of ion-exchange

Turner, Max Allen 08 1900 (has links)
No description available.
8

Structural, microstructural, and magnetic properties of terbium, gadolinium, and samarium cobalt nanoparticles

Yan, Zhicheng. January 2009 (has links)
Thesis (Ph.D.)--University of Delaware, 2009. / Principal faculty advisor: George C. Hadjipanayis, Dept. of Physics & Astronomy. Includes bibliographical references.
9

Line spectrum of samarium ion in crystals and its variation with the temperature ...

Harwell, J. G. January 1900 (has links)
Thesis (Ph. D.)--University of Chicago, 1932. / "Private edition, distributed by the University of Chicago libraries, Chicago, Illinois."
10

Hochauflösende Resonanzionisationsspektroskopie an Samarium und Gadolinium

Schmitt, Annette. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2004--Mainz.

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