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Influence of Thermal Conductive Material on the Activation Energy of Amorphous Silicon Thin Films
Thermal Conductive Material Activation Energy
2010/4/19
The activation energy of amorphous silicon thin films are usually measured by placing the thin film sample on a heating surface and monitoring the change in the dark conductivity as a function of temp...
Acid Activation of a Ferrous Saponite (Griffithite): Physico-Chemical Characterization and Surface Area of the Products Obtained
Acid activation Ferrous saponite Free silica Surface area
2011/12/29
A ferrous saponite (griffithite) from Griffith Park (California, USA) was treated with solutions of HCl (0.62, 1.25 and 2.5% by weight) at 25°C for 2, 6, 24 and 48 hours. The resulting solids were cha...
Mechanism of Acid Activation of Magnesic Palygorskite
Acid leaching Palygorskite Porosity Silica Surface area
2012/1/5
This paper compares the texture of palygorskite after acid leaching with that of the product after extraction silica is removed. These effects were evaluated on the basis of nitrogen adsorption- desor...