Some affecting factors of serum P21 and the correlation of the exposed time and serum P21 were analysed.

分析影响血清p 21蛋白水平的因素、及炼焦工龄与血清p 21蛋白表达水平的关系。

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There are some copper, zinc in muscle and bone. The degree of accumulation increase by the growth of exposed time.

积累程度随暴露时间的增加而增加，一定时间后可达到动态平衡，随后会有少量铜、锌转移或排出。

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The risk factors of increasing serum P21 were the exposed time and pickle foods and the protective factor was fresh fruits.

炼焦工龄、多食腌菜是导致血清p 21蛋白水平升高的危险因素，多食新鲜水果为保护因素。

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Last month's murder of both the president and the army chief of staff has heightened the country's political uncertainty at a time when Luciani says the government must move quickly to protect a generation exposed to AIDS.

VOA: standard.2009.04.24

So, every time you're exposed to a new vaccine or a new antigen you go through this primary response before you have the secondary response.

所以,每当你接触到新疫苗或是新抗原,在再次免疫之前,机体将会经历这样的初次免疫过程

耶鲁公开课 - 生物医学工程探索课程节选

When you get exposed to that particular antigen they say, 'I'm on, it's my time'.

等到你暴露在特定的抗原中,它们说,该我了,到我大显身手的时候了

耶鲁公开课 - 生物医学工程探索课程节选

The incubation period, the time from when you're first exposed to the time you express symptoms, is usually 1-5 days, but can be as long as 60 days.

CNN: "The Secret Life of Germs" author Philip Tierno

The court ruled Wednesday that the liability for insurers was incurred at the time a worker was exposed to asbestos, rather than at the time when the disease first appeared.

CNN: UK court ruling opens door to more asbestos claims

In other words, the number of people that might have been exposed to the real time tweets was significant, but just a fraction of those watching on TV.

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