锡青铜的主要磨损机制是疲劳脱层、粘着转移和磨料磨损。
The main wearing mechanisms of the tin bronze are fatigue splitting, adhesive transference and abrasive wearing.
还原所得粗碲粉经亚硫酸钠脱硒，盐酸酸洗除杂处理，硒、砷、锡、铜的脱出率分别达到99%、93%、80%、87.5%，得到含碲99.669%的金属碲粉。
After the treatment with NaSO_3 and hydrochloric acid, 99% Se, 93% As, 80% Sn and 87.5% Cu are removed from the raw powdered-tellurium, and the powders of 99.669% te are prepared.
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