Products from nanoparticles with high density and low impurities And the preservation of the details of the seed crystal to maintain the mechanical properties are related to the size scale in nanometer level. Technology for preparing nano particles have a variety of ways, such as preparing process from vapours. Prepared from liquid or solid. Synthesis of nanoparticles by vapor technique there are many ways. May be prepared from the coating vapor or precipitation physics (physical vapor deposition PVD), coating or precipitation evaporation vapor chemical (chemical. Vapor deposition CVD), process for preparing nano particles from the liquid is associated with sol gel method (sol-gel) and chemical solvents. Process for preparing nano particles of solid can be prepared by grinding, polishing.
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