通过正交实验得出最佳反应条件，制得的超细氧化锌粉料经组分分析、结构分析表明，其粒径、纯度、比表面积和晶型均符合相关标准。
The powders were tested by chemical composition analysis and construction analysis. The size of the powder, the purity and the specific area were all better than those of standard.
文章通过选样、筛分、磨样、烘样、溶样等手段对样品进行处理，并按标准ISO9507-1990对样品进行全铁含量检测，考察铁含量随不同粒径块铁矿的变化。
The samples were dealt with selection, sieve, grinding, drying and dissolving. The samples were tested according to ISO9507-1990, the variation of iron content at different particle sizes was studied.
范围本标准对混凝土压塑性指数的测定方法(在预计的坍落度小于10mm，并且骨料的标称粒径不超过40 mm的情况下)作出了规定。
SCOPE This Standard sets out the method for determining the compactibility index, for concrete, where the expected slump is less than 10 mm and the nominal size of aggregate does not exceed 40 mm.
粒径分布很窄，镍溶胶粒子的数均粒度的标准偏差在5%之内。
The distribution of grain diameter is narrow, wherein the standard deviation of the average granularity of the nickel sol grains is within 5%.
粒径分布很窄，镍溶胶粒子的数均粒度的标准偏差在5%之内。
The distribution of grain diameter is narrow, wherein the standard deviation of the average granularity of the nickel sol grains is within 5%.
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