Recently, a breakthrough has been made in the fabrication of the silica nano-wire waveguides. It has many special properties, such as low-loss, strong evanescent-field and so on.

近几年来，微纳光波导在制备技术上获得了突破，并具有很多特殊性质，包括低损耗、强倏逝波场等。

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This study is not only a breakthrough the bottleneck of silica gel formation and pulp filtration, but also a good removal iron and silicon completely, and a filterable cake is obtained.

本研究突破了在高硅铜冶渣湿法浸出回收有价金属过程中容易形成硅胶所造成难过滤的瓶颈；

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