Process of spraying substances. Is a process that used many benefits. Due.Is a process that has only a single step. Use several aspects, and high production rates.Process. Such coming that liquid is a precursor to be changed in status.Evaporation and condensation are made or catch together inside the glass tube heat resistance. These methods may have.Used in the production of ceramic nano powder of various kinds. According to the type of precursors used techniques.Preparation of the liquid. To make nano ceramic pure and homogeneous high.The more interesting one is the process of sol gel process, in which chemical reactions.Occur at the molecular level. The use of molecular precursors can be prepared from oxide or hydroxyl.Site types. Through the process of hydrolysis reaction and condensation. So the sol-gel process thereby.A new method of control process of preparing nano material better. However, the gang, Al oxide compoundsUse is quite high and quite complicated. In the preparation of nano crystal cubes or volume as.The foregoing, we may divide techniques Or a synthetic process various structures of nano materials.According to the conditions as follows.3.1 process vapor (vapor process) are divided.1. Coating or precipitation vapors in physics.2. Coating or precipitation chemical vapor3. Spraying substances.3.2 process of liquid (liquid process) are divided.Sol gel method, 1.2 method the wet chemistry.3.3 process of solid (solid process) are divided.1. Crushing or mixing mechanical properties
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