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| China-Japan-Koreas | |
| Liquid nitrogen may help to clean up Beijing smog, scientists say | |
| 2013-12-19 | |
[SCMP] Scientists say pumping the super-cold gas into the atmosphere had the best results in tests
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| Posted by:Fred |
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| Posted by: JosephMendiola 2013-12-19 21:52 |
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| Posted by: phil_b 2013-12-19 18:02 |
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| Posted by: Shipman 2013-12-19 16:02 |
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| Posted by: AlanC 2013-12-19 09:16 |
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| Posted by: Bobby 2013-12-19 08:29 |