Nov 20 2018 CATGe molar ratio of 15 and TOAGe molar ratio of 9 from a slightly acid solution pH 23 using a 201 of aqueous phaseorganic phase ratio can achieve optimal the recovery rate of germanium and minimize impurities extraction. Based on the laboratory scale a designed 5 kgh pilot plant flowsheet was carried out.
Jan 01 2019 Germanium is an element with high economic value and is used in novel and high-technological industrial applications such as advanced electronic and optical devices .The concentration of Ge in typical Ge-rich coal and by-products is listed in Table 9.1.The first Ge-rich coal deposit found in the former USSR was in the Angren river valley Uzbekistan in the late 1950s.
A sheet material for skin contact medical treatment at least one part of which is a therapeutically effective part comprising germanium and ceramic which irradiates far infrared rays by heating said germanium and ceramic being provided within a distance of 0 to 3 cm in said therapeutically effective part. A composition of therapeutically effective materials for skin contact medical treatment .
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Germaniumgermanium oxide nanoparticles with theoretically high discharge capacities of 1624 and 2152 mAhg have attracted significant research interest for their potential application as anode materials in Li-ion batteries. However these materials exhibit poor long-term performance due to the large volume change of 370 during chargedischarge cycles. In the present study to overcome this .
Dec 24 2020 Invar is an alloy added and used by Thermal Expansion GregTech 5 GregTech 6 and Factory Tech. 1 GregTech 6 2 Factory Tech 3 GregTech 5 4 Thermal Expansion 5 Thermal Foundation 6 Ender IO As added by GregTech 6 Invar can made by smelting Iron and Nickel with 21. As added by Factory Tech As added by GregTech 5 Invar Dust can be crafted inefficiently by hand. 2 Iron Dust and
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The conduction bands of 1H-HfS 2 1H-ZrS 2 and 1T-ZrS 2 depict an upshift of 0.048 0.077 and 0.043 eV respectively from the Fermi level. All the NH 3 -adsorbed material bands features are similar to those of the pristine materials except for 1H-HfS 2 1T-HTe 2 and 1T-ZrTe 2 and an observable conduction band degeneracy is seen for 1H .
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Silicon is the most abundant element on earth after oxygen.Large amounts of silicon can be found in various minerals and it is abundant in oceans and nearly all other waters as silicic acid. In the surface layers of oceans silicon concentrations are 30 ppb whereas deeper water layers may contain 2 ppm silicon.
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Cementation of germanium from sulphate solution obtained after the leaching of GeIn dross using zinc dust was investigated. The composition of the examined solution was 5.15 Ge 1.52 In and 5.81 .
An investigation of the GeIV-H 6 L system in a wide range of pH values showed that H 6 L reacts with germaniumIV ions in a weakly acidic medium to form an orange soluble compound the most .
Zirconium is a chemical element with the symbol Zr and atomic number 40. The name zirconium is taken from the name of the mineral zircon the word is related to Persian zargun zircon zar-gun gold-like or as gold the most important source of zirconium. It is a lustrous grey-white strong transition metal that closely resembles hafnium and to a lesser extent titanium.