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...
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...
He put a pudgy arm around Harry's shoulder.他用粗胖的胳膊搂住哈丽的肩膀。Each time he straightened his pudgy knees it was apparent that they were trembling.每次他伸直胖乎乎的膝盖时可以看出膝盖在哆嗦.The wizard clapped a pudgy hand to his vast forehead...