It is found that the ignited temperature is 600℃,the reaction duration is 2 min～3 min and the product is red loose nano-powders with the size of 36 nm or so.

In this paper,a simple and effective method to prepare amorphous ZnO nano-powder by low temperature pyrolytic reaction is reported.

A novel method of synthezing MS(M=Zn,Cd)semiconductor nano-powders is presented.

Ni-Al alloy nanometer powders were prepared by vapor deposition technology with arc as evaporation source.

Zirconia nanometer powder has features of high specific surface area and higher activity,Which can improve the efficiency of catalytic markedly,therefore,the application of nanometer composite powder in catalysis is so wide.

7)Zr_4P_6O_(24) (KSZP) ceramics were prepared with KSZP nanometer powder as the raw material synthesized by phosphate direct co-precipitation.

Ti-Fe alloy nanometer powders with particle size between 5 nm~30 nm were prepared by gas evaporation with arc as a heating source.

The formation regularities of the phases in the as-prepared nanometer powders were investigated.

The nanometer powders of AlCuMn and AlCuCr ternary alloys were prepared by evaporating the master alloys at reduced pressure inert gas.

Preparation of Fe~(3+)/TiO_2 nanopowders by plasma spraying with liquid feedstock;

Absorption spectra of calcium hexaboride nanopowders

In this paper,the preparation methods of nanopowders,such as mechanical method,physical method and chemical method are reviewed in detail.