In actual production process, crushing carbon's operational life span is about 6.19 year, 2 month shorter than carbon's life in pilot scale test.

在实际生产运行过程中，破碎炭的使用寿命约有6.19年，比中试试验条件下的活性炭使用寿命约短2个月。

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Perkol-Finkel, a marine biologist, modified the composition, texture, and design of concrete so that it fosters growth of native flora and fauna while increasing the operational life span and stability of the concrete structure.

FORBES: Women Show Construction Industry How to Rebuild Better, Stronger