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Unit 9- lesson 3- listen

Unit 9- lesson 3- listen

Ngày tải lên : 02/09/2013, 06:10
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Unit 4- Lesson 3- Listen

Unit 4- Lesson 3- Listen

Ngày tải lên : 19/10/2013, 13:11
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Radionuclide Concentrations in Foor and the Environment - Chapter 3 pdf

Radionuclide Concentrations in Foor and the Environment - Chapter 3 pdf

Ngày tải lên : 18/06/2014, 19:20
... 12.26 years), 14C (half-life 5,730 years), 85Kr (half-life 10.7 years), and 129I (half-life 1.6 × 107 years) Again it should be emphasized that 3H and 14C are cosmogenic nuclides; this means they...
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