| 11. | "We don't know the effects of negative ions for sure.
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| 12. | There are several oxocarbon anions, negative ions that consist solely of oxygen and carbon.
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| 13. | These days, negative ions are popping up everywhere you go.
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| 14. | Positive and negative ions of the analyte are formed by reactions with this plasma.
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| 15. | Hitachi and Matsushita are planning a negative ion vacuum cleaner.
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| 16. | Sparks produce positive ions a hair dryer needs to give out negative ions.
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| 17. | He noted that when the equipment generated negative ions, his colleague's mood was upbeat.
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| 18. | These negative ions are then attracted to the positive uncurved electrode, completing the'circuit '.
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| 19. | A small workshop produced pendulums for dowsing and a line of negative ion generators.
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| 20. | Some people attribute this to negative ions in the air.
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