用电生醌分别进行毫克量亚钛和二价钒的库仑滴定，误差为千分之几。
Coulometric titrations of milligram quantities of titanous ion and hypovanadous ion give errors less than 1 per cent.
采用双亚点阵模型对结构钢和合金工具钢中钒、铌的碳化物和氮化物析出时的竞争及稳定性作了热力学分析。
The precipitation order and stability of carbonitrides containing V and Nb was thermodynamically analyzed by the two sub-lattice model.
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