zirconium hafnium germanium



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Zirconium and hafnium germanate-based thin films on SiC ,
Zirconium and hafnium germanate-based thin films on SiC ,

Sep 02, 2015· A technique has been developed for producing coatings from sols of hydrous zirconium and germanium dioxides or hafnium and germanium dioxides on SiC microfibers The technique allows one to produce homogeneous, dense nanocoatings of controlled phase composition SiC fiber surface modification under optimal conditions has been shown to have no significant effect on the mechanical ,

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(PDF) Separation of Zirconium and Hafnium: A Review
(PDF) Separation of Zirconium and Hafnium: A Review

Zirconium is an ideal material for nuclear reactors due to its low absorption cross-section for thermal neutrons, whereas the typically contained hafnium with strong neutron-absorption is very .

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The Growth and Characterization of Germanium-Carbon Alloy ,
The Growth and Characterization of Germanium-Carbon Alloy ,

Sep 01, 1992· Thin films of pure germanium-carbon alloys (Ge _{rm x}C _{rm 1-x} with 0

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Zirconium - Wikipedia
Zirconium - Wikipedia

A process is provided for separating zirconium and hafnium tetrachlorides by the direct distillation from their solution in an eutectic mixture of sodium and potassium chlorid Hafnium tetrachloride and zirconium tetrachloride are provided in adequate purity for direct introduction into reduction units for the production of the respective metals by virtue of controlled ratios of the salt .

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Pilot plant extraction of hafnium from zirconium
Pilot plant extraction of hafnium from zirconium

total acidity - 2(molarity of hafnium and zirconium) Oxide concentration Concentration of hafnium and zirconium oxides, weight per unit volume This value was the normal method of reporting zirconium and hafnium compound concentrations though sulfates or nitrates were usually the materials present in solution Q Volume rate of flow per unit .

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Synthesis of zirconium and hafnium germanates from ,
Synthesis of zirconium and hafnium germanates from ,

Jul 01, 2015· However, no data concerning the usage of mechanical activation for the synthesis of hafnium and zirconium germanates were found The aim of this work was to study the effect of preliminary mechanical treatment on the interaction of zirconium (or hafnium) oxide and germanium oxide at elevated temperatur 2 Experimental21 Initial substances

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Zirkonium, Hafnium, Thorium, Germanium | SpringerLink
Zirkonium, Hafnium, Thorium, Germanium | SpringerLink

May 01, 1938· Cite this article Klinger, P, van Royen, HJ, Grewe, H et al Zirkonium, Hafnium, Thorium, GermaniumFresenius, Zeitschrift f anal Chemie 113, 213–221 (1938 .

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Niobium, titanium, zirconium and hafnium complexes ,
Niobium, titanium, zirconium and hafnium complexes ,

Aug 15, 2002· Symmetric and asymmetric ansa-metallocene complexes, of niobium, titanium, zirconium and hafnium containing germanium bridged ansa-ligands have been prepared and characterizedThe catalytic activity and stereoselectivity of these metallocene complexes in the polymerization of ethylene and propylene have been tested

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