| 摘要 |
The invention relates to a photoflash mixture comprising a mixture of particles of zirconia zirconium and at least one oxidizer, wherein said zirconia particles comprise a mixture of smaller particles between about 2 and 10 ~m diameter, and larger particles between about 20 and 30 ~m average diameter. The zirconium is mixed with an oxidizer which may be a nitrate, chlorate or perchlorate. Polyacrylamide may also be present. The mixture may be produced as a bead 18 between wires 22,24.
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