The effect of alkyl carbon Numbers and the valence of Mo on the performance of extreme pressure additive was investigated.
报道了烷基碳原子数和钼的化合价对硫磷钼型极压添加剂(简称极压剂)的极压抗磨性能的影响。
2
Determination of trace arsenic from water sample by hydride atom absorption, and effect of valence number of arsenic and varied coexisting ions on the determination were discussed.