If analytical equipment is available, purge system until oxygen content of residual gas is either less than or meets the process specification impurity level.
如果有分析仪器的话，一直净化设备，直到残留气体的氧含量或者低于或者满足工艺规范的纯度级别。
2
The residual liquid processed by use of above method is up to colorless, smell less, no-impurity and anhydrous.
经过上述方法处理后的残液液体，达到无色、无味、无杂质、无水份。
3
The results show that the residual resistance ration relates not only to the aging temperature and the impurity concentration of the metal, but also to the aging time.