The paper also gives a way to reduce steelmaking costs by using the valuable residualelements.
提出了利用钢中有价残余元素降低炼钢成本的途径。
2
The effect of residualelements on the continuous cast slabs and surface quality of hot rolled plates is studied by scanning electron microscope, transmission electron microscope and EDS analysis.
通过扫描电镜、透射电镜和EDS分析，对残余元素对连铸坯和热轧板表面质量的影响进行了研究。
3
The indirect pollution on eco-environment come from residual pesticides, heavy metal elements, antibiotics, hormones and mold toxins from animal husbandry products.