This result has been applied successfully to roll thinner and high porosity strip when the powder has poor fluidity.
此结果在使用流动性较差的粉末，轧制孔隙度高和较薄的带材时，获得了良好的应用。
2
Adding middle grade sintered magnesia powder can enlarge the line ratio and porosity after high temperature treatment.
中档镁砂粉的添加使浇注料高温处理后的线变化率增大和气孔率增加。
3
So that, it is necessary to adopt very sinterable UO2 powder and suitable pelleting and sintering conditions to minimize open porosity and small porosity.