| http://www.w3.org/ns/prov#value | - For example, a space gap of d???=0.5 cm with electrode spacing d=2 cm could allow the electrode to operate at pressure below 0.1 Torr with power supply voltage below 1000 V. When operating pressure is increased to a relatively high pressure such as 2 Torr, a suitable plasma can still be generated and maintained and will likely include the gap regions, however, so long as the gap distance d??? is m
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