在硫酸盐电解液中,采用脉冲电源电沉积了镍钴合金.Ni - Co alloys were deposited by applying current pulses from a sulfate electrolyte.电沉积过程中,钨酸根被还原成中间价态的氧化物.Tungstate ions were reduced to oxide with intermediate valence.将超声和电沉积相结合电镀了锡铋合金.Tin - bi...
This political row threatens to grow into a full blown crisis.这场政治争端有可能演化成一场全面爆发的危机。Widespread political and economic disarray threatens to make the constitution meaningless.四处蔓延的政治和经济混乱可能会使宪法变得可有可无。He threatens to dock ...