nanometer

The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.

采粉末金法制备了微尺寸和尺寸的氧化镧粒子增强合金。

In this paper,the practice of producing nanometer zincite and concentrating indium from the dust of smelting lead was introduced in detail.

文章详细介绍了利炼烟尘生产氧化锌并富集铟的生产实践。

It shows that this kind of device can be tuned hundreds of nanometers.It can demultiplex any channel in all-wave fiber WDM in the future.

分析表明，它的调谐量可以达到数百，有望在将来的全波光纤WDM中对所有信道进行解复。

Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.

采均匀沉淀法合成碳酸,在此基础上通过高温分解制备氧化。