The preparation of standard reference material of activated carbon has positive significances of standardizing markets, application and reducing measurement error during appliance and production, especially enhancing testing level and confirming products arbitration.
制备活性炭吸附性能标准样品,对于规范产品应用市场,减少应用和生产企业的产品性能测定误差,尤其对于提高和确定活性炭的质量检测水平和产品仲裁均有积极作用。
error of forging in thickness is big and wasting raw material.
锻件厚度误差较大,浪费原材料.
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