氚在干旱地区非饱和土壤中迁移规律研究

Abstract

Abstract: Based on the related experiments and mechanism analysis, the characteristic parameters of tritium migration in unsaturated soil of arid region have been studied including spatial and temporal distribution, migration distance, migration velocity as well as their influence factors. And the migration mechanism also has been preliminary analyzed. The upward and downward migration velocities of tritium in soil of arid region are 3.33 cm/d and 0.033—0.067 cm/d respectively, and the transverse migration velocity of tritium is 2 cm/d. The migration velocity of tritium in soil is significantly affected by the evaporation and rainfall.

Key words: tritium, radionuclide migration, arid region, unsaturated soil, migration velocity

CLC Number:

TL75

Qiu Guohua, Pan Ziqiang, Wang Ju, Chen Ling. Studies on tritium migration regularities in unsaturated soil of arid region[J].RADIATION PROTECTION, 2015, 35(6): 321-325.

References

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Studies on tritium migration regularities in unsaturated soil of arid region

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