grade of purity的意思|示意

The reserve tanks at a reactor contain the same grade of water in terms of purity and chemical composition that are normally used in the core.

反应堆的储备箱里储备了与反应堆内同等纯度和化学构成的水。

Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.

然后再由铋精矿制取铋的化工产品，这些铋品中的金属杂质元素含量都达到分析纯要求，有少量产品阴离子纯度有待提高。

SCP-ZrO2 (gem-grade zirconia) has high purity and is mainly used for making cubic zirconia crystal (artificial gems), and as additive for optical glass and fibre with high index of refraction.

具有高纯度，是制造立方氧化锆晶体(人造宝石)的主要原材料，也用作高折射光学玻璃和光学纤维的添加剂。

It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.

GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。

The high purity manganese carbonate is prepared by the process of leaching, removing impurities and crystallizing from Guangxi's low grade manganese ore.

采用广西某地低品位碳酸锰矿为原料，以硫酸浸出、浸出液除杂、碳化结晶工艺制备得到高纯碳酸锰产品。

The process conditions for producing high purity DME of aerosol grade by catalytic dehydration of methanol in gas phase were studied and tested by using alumina as a catalyst.

以甲醇为原料，氧化铝为催化剂，对甲醇气相催化脱水制气雾剂级高纯二甲醚的工艺条件进行了试验研究。