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silica (1) |
synthesis (1) |
tribology materials (1) |
tungsten disulfide (1) |
tungsten trioxide (1) |
ultrasonic spray pyrolysis (2) |
silica (1) |
synthesis (1) |
tribology materials (1) |
tungsten disulfide (1) |
tungsten trioxide (1) |
ultrasonic spray pyrolysis (2) |