| 21. | The light source can be a laser, a discharge tube, or a synchrotron radiation source.
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| 22. | In 1898, Otto Lummer and Ferdinand Kurlbaum published an account of their cavity radiation source.
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| 23. | Coherent X-ray beams could be produced by modern synchrotron radiation sources and free electron lasers.
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| 24. | Using this information, a plan of the optimal distribution of the radiation sources can be developed.
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| 25. | A search of the train found no radiation source, Interfax quoted the duty officer as saying.
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| 26. | RIXS experiments therefore require a high-brilliance x-ray source, and are only performed at synchrotron radiation sources.
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| 27. | Thus, it is possible to construct radiation sources with high intensity within certain narrow spectral regions.
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| 28. | Li added that most were low-level radiation sources and unlikely to cause permanent injury to people.
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| 29. | The experiment is usually performed at synchrotron radiation sources, which provide intense and tunable X-ray beams.
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| 30. | Vans disguised as personal or commercial vehicles roam nearby to pick up signals of radiation sources.
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