而在没有响尾蛇分布的阿拉斯加，同一品种的松鼠对毒液的反应要剧烈的多，他们的血清中和毒素的能力也大大弱于加利福尼亚的。

But squirrels of the same species from Alaska, where the rattlesnakes are absent, exhibit much greater sensitivity to the venom, and their serum is much less effective at neutralizing the venom.

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而使血清中的抗毒素水平升高。

But causes in blood serum's antitoxin level to elevate.

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目的研究同一剂量不同时间和不同剂量同一时间爱西特（活性炭）对血清中小分子尿毒素的吸附作用。

To elucidate the adsorptive effect of activated charcoal on uremic toxin in blood serum with the same dosage of activated charcoal in difference time or in difference dosage in the same time.

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