| Srl | Item |
| 1 |
ID:
185200
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| Summary/Abstract |
Continuing the trendline of 2020, North Korea’s key priorities in 2021 were to tighten its belt economically and control the COVID-19 pandemic. Those two goals were related. With its healthcare system no match for such a public health crisis, the government continued its utmost effort to prevent a COVID-19 disaster through the near-complete closure of its borders, severely hampering vital trade with China. As seen in the 8th Congress of the Workers’ Party of North Korea, however, chairman Kim Jong-un also prioritized maintaining an assertive stance toward the United States, even to the point of abjuring negotiations with Washington that might have unlocked vaccines or medical assistance. Instead, North Korea frequently criticized the US’s “hostile position” and carried out a variety of missile tests, which seemed more provocative and capable throughout the year. Pyongyang also restarted the Yongbyon nuclear facilities for producing fissile materials. This assertive and provocative behavior was emboldened by steadily closer ties with traditional allies, notably China and Russia. Meanwhile, North Korea largely showed a cold, dismissive attitude to its southern counterpart.
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| 2 |
ID:
103012
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| 3 |
ID:
106336
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| Publication |
2011.
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| Summary/Abstract |
The graphite isotope ratio method can give an accurate estimate of the total plutonium production in a graphite-moderated reactor without detailed information on the reactor's operating history. Transmutation of trace impurities in the graphite is directly related to the cumulative plutonium production in the nuclear fuel. This study explains how the total amount of plutonium produced in the five megawatt electric graphite reactor at Yongbyon could be estimated using the Graphite Isotope Ratio Method (GIRM) technique once a number of strategically located samples from the graphite moderator are available.
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