Application of Nanotechnology in Chemical Industr

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Nano particles as photocatalysts have many advantages. First of all, the small particle size, large specific surface area and high photocatalytic efficiency. In addition, most of the electrons and holes generated by nanoparticles will not be recombined before reaching the surface. Therefore, if more electrons and holes can reach the surface, the chemical reaction activity will be high. Secondly, nanoparticles dispersed in dielectrics are often transparent, which makes it easy to observe the effects of charge transfer, proton transfer, semiconductor energy level structure and surface state density at the interface by optical means and methods.

Manufacturing Process of Grinding Wheels

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Grinding wheels are indispensable to the general tool processing industry, often seen in factories using grinding wheels, but have you ever thought about how grinding wheels are made? What are the processes and techniques for making grinding wheels? Let us bring you to uncover the secrets of the highest level of production of diamond grinding wheel manufacturers….

Selection of mold steel?

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There are usually two reasons for the steel grain phenomenon in the mold: one is the problem of the mold steel itself, many mold makers choose poor quality (cheap) steel to make the mold in order to save cost, resulting in the surface of the mold after the mold polishing to appear grain, and some fine lines. At the same time, under the light will lead to distortion of the light, mold polishing can only reduce the phenomenon of mold steel grain. Secondly, the skill of the mold polisher is not good.

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Monocrystalline vs. polycrystalline?

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The so-called single crystal (monocrystal, monocrystalline, single crystal), that is, the crystalline body of the internal particles in three-dimensional space is a regular, periodic arrangement, or that the whole of the crystal body in the three-dimensional direction by the same space lattice composition, the whole crystal body in the space of the arrangement of the points of the long-range order.

What is the first option for polishing materials?

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When polishing, many people ask whether the surface should be sandpapered, or what kind of diamond compound abrasive should be used? The choice of polishing material, diamond compound or grinding wheel grade, in the end, what grade can be polished to what extent? Let Big Data Statistics answer your questions!

What is pitting ?

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Is it a material problem or a technique problem that produces pitting in polishing, and if it is a technique problem, can it be avoided? In order to solve this problem, we need to know how this problem occurs, and there are 3 reasons for this problem. Please read on to find out

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