Intake below-standard purity automatic emptying, adsorption tower.

进气纯度不达标自动排空，吸附塔。

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This paper discusses the operating characteristics of palladium catalyst and the purity standard and measuring etc. problems of hydrogen after the usage of palladium catalyst.

本文讨论把触媒的使用特性及使用后氢气纯度的标准、计量等问题。

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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。

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And the open internet proponents looked at such approach with disdain, questioning its technological purity compared to the open standard.

FORBES: The Internet Is Drowning

Because of the indirect mechanism of its toxicity and its specificity for human cells, the contaminant had been undetectable in both the standard, sophisticated screening tests that are supposed to assure a drug's purity and quality, and in studies in animals.

FORBES: Commentary

This promise can be verified every minute of the day by observing the current rate of exchange between the dollar and gold, and, under a classical gold standard, by exchanging currency at a national bank for gold coins of a fixed weight and purity.

FORBES: The Dollar, Gold And The Quality Of Money