And as nanoparticles manifest some unusual properties and intensive activity, the preparation methods for nano W-Cu composite material is more particular.

由于纳米颗粒具有特殊性能和很大的活性，纳米钨铜复合材料的制备尤为特殊。

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The invention discloses a formulation of the nano composite material of a bit tooth, which is used for improving the life of the air percussion bit tooth.

本发明公开了一种钻头牙齿纳米复合材料的配方，该发明用于提高空气冲钻钻头牙齿的寿命。

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The formulation of the nano composite material comprises the step of: sintering a micron substrate, a nano strengthening phase, rare earth, a grain growth inhibitor and the like at high temperature.

本发明的纳米复合材料配方由微米级基体、纳米级增强相、 稀土和晶粒生长抑制剂等高温烧结而成。

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The Swach's cartridge, a key component of the system, resembles Edison's electric bulb and is made up of a composite of rice-husk ash (a highly porous material derived out of paddy husk) and fine particles of nano-silver, which inhibits bacteria growth.

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