The standard states that the citric acid-sodium nitrate treatment is the least hazardous for removal of free iron and other metallic contamination and light surface contamination.
该标准声明：柠檬酸-硝酸钠处理在去除游离铁合其他金属污染和轻的表面污染物时，危险性最低。
Metallic sparking coating was successfully prepared by self-developed superfine aluminum power, and the properties were generally complied with the standard of coating for automobile.
采用自制超细铝粉配制成铝银浆，通过实验，给出了金属漆配制，涂装工艺，并对其性能进行了常规检测，其指标基本符合车用标准。
Optimum prescription and process conditions were established. The product has bright and beautiful metallic lustre and all the indices have reached the National Standard.
介绍了糊料和浆料的最佳工艺配方和工艺条件，产品具有亮丽的金属光泽，各项指标均达到国家标准。
The results showed that the major cause of reducing diameter was more non-metallic inclusion in the steel than standard value, billet segregation and shrinkage void.
用扫描电镜、大型金相显微镜观察分析高碳钢盘条的缩径，结果表明：造成缩径的主要原因是盘条中的非金属夹杂物超标、方坯偏析和缩孔。
By taking the volume measurement of vertical metallic tanks as an example, the evaluation of standard uncertainty and the calculation of expanded uncertainty are described in detail.
本文结合立式金属罐的容量测量实例，详述了标准不确定度的计算及扩展不确定度的获得过程。
The effect of testing media type and environmental temperature on the primary bubble point pressure of metallic fiber felt was studied according to the national standard.
依据国家标准，研究了介质类型和环境温度对滤毡初始气泡点压力的影响。
The effect of testing media type and environmental temperature on the primary bubble point pressure of metallic fiber felt was studied according to the national standard.
依据国家标准，研究了介质类型和环境温度对滤毡初始气泡点压力的影响。
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