25% scandium element on structure and property of 6063 aluminum alloy was studied,and the effect mechanism of RE-Sc was analyzed from the theory.
25%的Sc元素对6063铝合金组织性能的影响,并从理论上分析了稀土Sc元素的作用机理。
The developed biosorbent SC was used in this study The removal efficiency of the biomass in different ratio of the biomass and copper,pH value,temperature and time was studied The experimental result showed that the removal efficiency to printed circuit board of different Cu 2+ concentration reached 95 48% and 86 74% on the discovered optimum condition
用研制的SC菌剂作生物吸附剂 ,研究了其在不同菌铜比 ,pH、温度及作用时间条件下对Cu2 + 的去除效果。
The experiment results show that the effect of SC modifier is excellent and ultra-low carbon ductile iron with round sphere, a small number of uniformly distributed small graphite spherule and matrix structure without carbide can be got after modifying treatment by using SC modifier.
试验结果表明,SC变质剂变质效果最好,能够在铸态得到圆整度好、数量少、分布均匀的细小石墨球,并且基体组织中不存在碳化物。