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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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electron attachment

Electron attachment is a process in which an electron of thermal energy is added to an atom or molecule (M) to form a stable ion (M- ). The molecule must have a positive electron  affinity (for example, be electrophoric). Thermal electrons are required so as not to cause dissociation of the molecular ion.


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