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773115293

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[求助] 翻译一段英文文献(数字细节没事)

Therefore, the apparent diffusion coefficient Da value decreases with the increasing of dry density. For example, the Da of 99Tc decreases from 69 to 1.0 ×10-11 m2/s when bulk density is increased from 200 to 2000 kg/m3 [12], and Da of Se decreases from 43 to 3.2 ×10-11 m2/s when density change from 400 to 1800 kg/m3 [13]. However, as far as we know, the diffusion of 99Tc and Se diffusion are investigated at dry density in the range from 800 to 1800 kg/m3, the study high density like 2000 kg/m3 is absence. Previous study, HTO and 125I have studies at dry density from 1600 to 2000 kg/m3 [4, 14] in GMZ. Re(as analogue to 99Tc) and Se have investigated at 1300 kg/m3 as well [15]. In this study, the diffusion behaviors of Re and Se are studied at 2000 kg/m3 density in order to enrich the diffusion database in HLW. Out- diffusion method was employed to check the correction of the obtained diffusion parameters.
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jiangguofeng

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773115293: 金币+20, 翻译EPI+1, ★★★★★最佳答案, 谢谢!!!!! 2015-10-13 13:18:45
因此,表观扩散系数Da值随着干密度的增加而减小。例如, 当堆密度从200增加到2000 kg/m3时,99Tc的Da值从69减小到1.0?0 - 11 m2/秒[12],并且,当密度从400变为1800 kg/m3时Se从43减小到3.2?0-11 m2/秒[13]。然而,据我们所知, 99Tc的扩散和Se扩散是干密度于800到1800 kg/m3范围内考察的,缺少如2000 kg/m3的高密度研究。
先前HTO和125I已经由1600到2000 kg/m3的干密度对GMZ进行过研究。 同样Re(与99Tc类似)和Se已经于1300 kg/m3进行过调查[15]。本研究为了丰富HLW中的扩散数据库,于2000 kg/m3密度对Re和Se的扩散行为进行了研究。采用外扩散方法复核所得扩散参数的校正值。
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