Tannin from mangrove species has also been used for curing and dyeing of fishing nets made of natural fibre to make the nets more resistant to biological decay.

用红树林树种制造的单宁还用来天然纤维织成的渔网的加工和染色， 以提高其抗生物老化能力。

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Objective To purify decay accelerating factor (DAF) with biological activity from human erythrocyte membrane.

目的获得纯化并具有生物学活性的人红细胞膜促衰变加速因子。

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I think that, from a biological standpoint, human life almost reads like a poem. It has its own rhythm and beat, its internal cycles of growth and decay.

我认为，从生物学的角度来看，人生读起来就像一首诗，有它自己的韵律和节奏，有其内在的从成长到老化的周期。

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