根据各监测性原生动物的指示作用、判明了电镀、造纸、机械、毛纺及地面混合污水的污染级别。
According to the indicative role of Protozoa, the author have judged the polluting degree of wastewater of electroplate, paper making, machinery, woolen and the mixed wastewater on surface of ground.
通过并存吸附状态的引入，更全面地揭示了电镀添加剂的作用机理。
The effective mechanism of the organic additives for electroplating could be further revealed by the introduction of the coexisting adsorption states concept.
研究了添加剂在电镀锌镍合金中的作用。
The effect of additives on zinc-nickel alloy electroplating was studied.
应用推荐