研究结果表明，还原温度和还原时间对还原铁粉的金属化率具有显著影响。

The results show that the reduction temperature and time have remarkable effect on the metallization rate of reduced iron powder.

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采用这种基于化学镀-电镀的两步法不但可以对光纤光栅进行良好的保护，而且在金属化保护的过程中光纤光栅的温度灵敏度明显提高。

There is no visible defect found in the cross-section. Using this two-step metallization method, the in-fiber Bragg grating can be well protected and its thermal sensitivity can be enhanced.

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