Vice president of China National Nonferrous Metals Industries Corporation Mr. WoTingshu said:"The output of 10 kinds of nonferrous metals amounted to 2.45 Mt."
Scandium was recovered from dilute chloride solutions with potassium salt of saturated C<sub>8</sub>~C<sub>12</sub>fattyacids as surfactant by Ion flotation.The
GaSb epilayers were grown on GaAs and/or GaSb substrates by MOCVD respectively.The influenceof growth conditions on the properties of the epilayers was studied
Calcium hydroxytitanate formed in Bayer digestion process of chinese diasporic bauxite was studied.Interplanar spacings of calcium hydroxytitanate crystal were