吸收值随时间的延长而降低。

And the absorbance decreased correspondingly with time.

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供水入渗过程中，浓度锋运移距离和浓度最大值均随时间的延长而增大；

The concentration front transport distance of and the maximum value of concentration increased with increased time in the process of water supply.

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模型组凋亡的肝脏细胞数随时间的延长逐渐增多，均高于正常对照组（P<0.05）。

The number of apoptotic cells in the liver increased gradually, which was higher than that of the normal control group(P<0.05).

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