I long product containing vanadium plant, molybdenum, nickel, cobalt, platinum, Spent palladium catalyst.
我厂长期求购含钒, 钼, 镍, 钴, 铂, 钯废催化剂.
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Composite electrodeposits of nickel - cobalt - tungsten carbide were prepared by adding tungsten carbide particles in the nickel - alloy solution.
研究了在镍钴合金镀液中加入碳化钨微粒形成镍 - 钴 - 碳化钨复合镀层的共沉积过程.
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