但经过数周后，放射性颗粒可经动物消化后进入食物链，或经植物的根进入周围土壤。

But over a period of weeks, the radioactivity particles enter the food chain when they are ingested by animals or settle into dirt where they can be absorbed by the roots of growing plants.

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这将为今后进一步研究和预测乳链菌肽发酵过程奠定了一定的理论基础。

This will provide the theoretical foundation for the further study and forecast of the nisin fermentation process in future.

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首先对价值链的思想进行了简要的介绍，然后进一步阐述价值链研究与价值分析的关系。

Firstly this article recommend the idea of value chain briefly, then set forth the relation of value chain and analysis of the value.

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