refractory metals难熔金属For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc.加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.Gold retains its lustre for far longer than other metals...黄金保...
A method for the determination of micro amounts of vanadium in ferrochromium was presented.用催化动力学示波极谱法测定铬铁中微量钒.Objective To explore the determination method of Vanadium content in cassia seed.目的探讨富钒决明子芽中钒含量的测定方法.Vanadium...