نتایج جستجو برای: neodymium recovery

تعداد نتایج: 202504  

2016
E. Forgan E. Gibbons K. Mcewen

We have used two neutron-scattering techniques to investigate the magnetic structure of neodymium. By observations of harmonic combinations of its modulation vectors we have deduced that the low temperature magnetic structure is quadruple-q. We have confirmed this by observing a single domain of the structure in a suitably aligned magnetic field. For more than twenty years, the magnetic orderin...

Journal: :Metals 2022

The impact of rare earth oxide (REO) concentration on the deposition process and selective recovery metal being deposited from a molten fluoride salt system was investigated by applying Nd Pr varying REO added to electrolyte. A ternary phase diagram for liquidus temperature NdF3-PrF3-LiF constructed better predict optimal electrolyte constitution. Cyclic voltammetry used record three redox sign...

2005
Tracy D. Frank Deborah J. Thomas R. Mark Leckie Michael A. Arthur Paul R. Bown Kelly Jones Jackie A. Lees

[1] We present new isotopic and micropaleontological data from a depth transect on Shatsky Rise that record the response of the tropical Pacific to global biotic and oceanographic shifts during the mid-Maastrichtian. Results reveal a coupling between the upper ocean, characterized by a weak thermocline and low to intermediate productivity, and intermediate waters. During the earliest Maastricht...

Journal: :Science 2010
Natalie L Roberts Alexander M Piotrowski Jerry F McManus Lloyd D Keigwin

Understanding changes in ocean circulation during the last deglaciation is crucial to unraveling the dynamics of glacial-interglacial and millennial climate shifts. We used neodymium isotope measurements on postdepositional iron-manganese oxide coatings precipitated on planktonic foraminifera to reconstruct changes in the bottom water source of the deep western North Atlantic at the Bermuda Ris...

Journal: :The British journal of ophthalmology 1987
R G Devenyi G E Trope W S Hunter

Transscleral ruby cyclocoagulation has been successfully used to lower intraocular pressure. The recent commercial availability of Nd-YAG lasers with a thermal mode provides a possible alternative by which to perform this procedure. We treated one eye of seven pigmented rabbits using the thermal mode of the Nd-YAG laser. The intraocular pressures were followed up for three months. The treated e...

Journal: :Physical Chemistry Chemical Physics 2021

Nd3+ or Dy3+ salts and borohydride form redox-active [Ln(BH4)4]− complexes that enable room-temperature electrodeposition of neodymium- dysprosium-containing layers from organic electrolytes.

2017
Fanny Bonnet Marc Visseaux Angela Pereira Denise Barbier-Baudry Fanny BONNET Marc VISSEAUX Angela PEREIRA

Journal: :Chemical communications 2006
Jonathan B Coldwell Cara E Felton Lindsay P Harding Ryan Moon Simon J A Pope Craig R Rice

The complex [NdL](III) is based upon a crown ether-appended ditopic cryptate ligand and demonstrates a near-infrared fluorescence response to Ba(II).

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