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[剂量率对慢性γ射线照射下大鼠幼崽发育的影响]

[The effect of the dose rate on the development of rat pups under chronic gamma irradiation].

作者信息

Slozhenikina L V, Fialkovskaia L A, Kuzin A M

出版信息

Radiobiologiia. 1992 Jul-Aug;32(4):588-92.

PMID:1329138
Abstract

Chronic exposure of rat pups to gamma radiation, during their intensive growth, at a dose rate of 0.01, 0.11 and 0.5 cGy/day did not affect their development throughout a two-month period of observation. At a dose rate of 12.9 cGy/day rat growth was inhibited during the first 15 days. With further exposure at the same dose rate (over a period of up to five months) the rate of rat pup growth was restored, which indicated the presence of adaptation processes.

摘要

在仔鼠快速生长期间,以0.01、0.11和0.5 cGy/天的剂量率对其进行慢性γ辐射暴露,在为期两个月的观察期内并未影响它们的发育。当剂量率为12.9 cGy/天时,仔鼠在最初15天的生长受到抑制。在相同剂量率下进一步暴露(长达五个月)后,仔鼠的生长速率得以恢复,这表明存在适应过程。

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